[INFO] cloning repository https://github.com/homura10059/AtCoder_Problems_Boot_Camp_for_Beginners
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/homura10059/AtCoder_Problems_Boot_Camp_for_Beginners" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhomura10059%2FAtCoder_Problems_Boot_Camp_for_Beginners", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhomura10059%2FAtCoder_Problems_Boot_Camp_for_Beginners'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0af06ceeeaa24f2edea963de3ed8b02f3b79da32
[INFO] testing homura10059/AtCoder_Problems_Boot_Camp_for_Beginners against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhomura10059%2FAtCoder_Problems_Boot_Camp_for_Beginners" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/homura10059/AtCoder_Problems_Boot_Camp_for_Beginners
[INFO] finished tweaking git repo https://github.com/homura10059/AtCoder_Problems_Boot_Camp_for_Beginners
[INFO] tweaked toml for git repo https://github.com/homura10059/AtCoder_Problems_Boot_Camp_for_Beginners written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/homura10059/AtCoder_Problems_Boot_Camp_for_Beginners on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/homura10059/AtCoder_Problems_Boot_Camp_for_Beginners already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce1fa9031306ba299c331cb4cd9224120fc7779ff4cd65070a4f80ba32d52326
[INFO] running `Command { std: "docker" "start" "-a" "ce1fa9031306ba299c331cb4cd9224120fc7779ff4cd65070a4f80ba32d52326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce1fa9031306ba299c331cb4cd9224120fc7779ff4cd65070a4f80ba32d52326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce1fa9031306ba299c331cb4cd9224120fc7779ff4cd65070a4f80ba32d52326", kill_on_drop: false }`
[INFO] [stdout] ce1fa9031306ba299c331cb4cd9224120fc7779ff4cd65070a4f80ba32d52326
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7450aa917cd101025d8d5d7285d3c362060ab094098804d6b7aa8c6791987274
[INFO] running `Command { std: "docker" "start" "-a" "7450aa917cd101025d8d5d7285d3c362060ab094098804d6b7aa8c6791987274", kill_on_drop: false }`
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `a-cookie-exchanges v0.1.0 (/opt/rustwide/workdir/easy100/a-cookie-exchanges)` has the same output filename as the bin target `main` in package `a-candy-distribution-agein v0.1.0 (/opt/rustwide/workdir/easy100/a-candy-distribution-agein)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `a-cookie-exchanges v0.1.0 (/opt/rustwide/workdir/easy100/a-cookie-exchanges)` has the same output filename as the bin target `main` in package `a-candy-distribution-agein v0.1.0 (/opt/rustwide/workdir/easy100/a-candy-distribution-agein)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `a-digit-sum-2 v0.1.0 (/opt/rustwide/workdir/easy100/a-digit-sum-2)` has the same output filename as the bin target `main` in package `a-cookie-exchanges v0.1.0 (/opt/rustwide/workdir/easy100/a-cookie-exchanges)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `a-digit-sum-2 v0.1.0 (/opt/rustwide/workdir/easy100/a-digit-sum-2)` has the same output filename as the bin target `main` in package `a-cookie-exchanges v0.1.0 (/opt/rustwide/workdir/easy100/a-cookie-exchanges)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `a-dividing-a-string v0.1.0 (/opt/rustwide/workdir/easy100/a-dividing-a-string)` has the same output filename as the bin target `main` in package `a-digit-sum-2 v0.1.0 (/opt/rustwide/workdir/easy100/a-digit-sum-2)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `a-dividing-a-string v0.1.0 (/opt/rustwide/workdir/easy100/a-dividing-a-string)` has the same output filename as the bin target `main` in package `a-digit-sum-2 v0.1.0 (/opt/rustwide/workdir/easy100/a-digit-sum-2)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `a-fairness v0.1.0 (/opt/rustwide/workdir/easy100/a-fairness)` has the same output filename as the bin target `main` in package `a-dividing-a-string v0.1.0 (/opt/rustwide/workdir/easy100/a-dividing-a-string)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `a-fairness v0.1.0 (/opt/rustwide/workdir/easy100/a-fairness)` has the same output filename as the bin target `main` in package `a-dividing-a-string v0.1.0 (/opt/rustwide/workdir/easy100/a-dividing-a-string)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `a-range-product v0.1.0 (/opt/rustwide/workdir/easy100/a-range-product)` has the same output filename as the bin target `main` in package `a-fairness v0.1.0 (/opt/rustwide/workdir/easy100/a-fairness)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `a-range-product v0.1.0 (/opt/rustwide/workdir/easy100/a-range-product)` has the same output filename as the bin target `main` in package `a-fairness v0.1.0 (/opt/rustwide/workdir/easy100/a-fairness)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `a-wanna-go-back-home v0.1.0 (/opt/rustwide/workdir/easy100/a-wanna-go-back-home)` has the same output filename as the bin target `main` in package `a-range-product v0.1.0 (/opt/rustwide/workdir/easy100/a-range-product)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `a-wanna-go-back-home v0.1.0 (/opt/rustwide/workdir/easy100/a-wanna-go-back-home)` has the same output filename as the bin target `main` in package `a-range-product v0.1.0 (/opt/rustwide/workdir/easy100/a-range-product)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-121 v0.1.0 (/opt/rustwide/workdir/easy100/b-121)` has the same output filename as the bin target `main` in package `a-wanna-go-back-home v0.1.0 (/opt/rustwide/workdir/easy100/a-wanna-go-back-home)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-121 v0.1.0 (/opt/rustwide/workdir/easy100/b-121)` has the same output filename as the bin target `main` in package `a-wanna-go-back-home v0.1.0 (/opt/rustwide/workdir/easy100/a-wanna-go-back-home)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-754 v0.1.0 (/opt/rustwide/workdir/easy100/b-754)` has the same output filename as the bin target `main` in package `b-121 v0.1.0 (/opt/rustwide/workdir/easy100/b-121)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-754 v0.1.0 (/opt/rustwide/workdir/easy100/b-754)` has the same output filename as the bin target `main` in package `b-121 v0.1.0 (/opt/rustwide/workdir/easy100/b-121)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-a-to-z-string v0.1.0 (/opt/rustwide/workdir/easy100/b-a-to-z-string)` has the same output filename as the bin target `main` in package `b-754 v0.1.0 (/opt/rustwide/workdir/easy100/b-754)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-a-to-z-string v0.1.0 (/opt/rustwide/workdir/easy100/b-a-to-z-string)` has the same output filename as the bin target `main` in package `b-754 v0.1.0 (/opt/rustwide/workdir/easy100/b-754)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-ac-cepted v0.1.0 (/opt/rustwide/workdir/easy100/b-ac-cepted)` has the same output filename as the bin target `main` in package `b-a-to-z-string v0.1.0 (/opt/rustwide/workdir/easy100/b-a-to-z-string)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-ac-cepted v0.1.0 (/opt/rustwide/workdir/easy100/b-ac-cepted)` has the same output filename as the bin target `main` in package `b-a-to-z-string v0.1.0 (/opt/rustwide/workdir/easy100/b-a-to-z-string)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-atcoder v0.1.0 (/opt/rustwide/workdir/easy100/b-atcoder)` has the same output filename as the bin target `main` in package `b-ac-cepted v0.1.0 (/opt/rustwide/workdir/easy100/b-ac-cepted)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-atcoder v0.1.0 (/opt/rustwide/workdir/easy100/b-atcoder)` has the same output filename as the bin target `main` in package `b-ac-cepted v0.1.0 (/opt/rustwide/workdir/easy100/b-ac-cepted)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-beautiful-strings v0.1.0 (/opt/rustwide/workdir/easy100/b-beautiful-strings)` has the same output filename as the bin target `main` in package `b-atcoder v0.1.0 (/opt/rustwide/workdir/easy100/b-atcoder)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-beautiful-strings v0.1.0 (/opt/rustwide/workdir/easy100/b-beautiful-strings)` has the same output filename as the bin target `main` in package `b-atcoder v0.1.0 (/opt/rustwide/workdir/easy100/b-atcoder)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-because-therefore-because v0.1.0 (/opt/rustwide/workdir/easy100/b-because-therefore-because)` has the same output filename as the bin target `main` in package `b-beautiful-strings v0.1.0 (/opt/rustwide/workdir/easy100/b-beautiful-strings)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-because-therefore-because v0.1.0 (/opt/rustwide/workdir/easy100/b-because-therefore-because)` has the same output filename as the bin target `main` in package `b-beautiful-strings v0.1.0 (/opt/rustwide/workdir/easy100/b-beautiful-strings)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-bigo v0.1.0 (/opt/rustwide/workdir/easy100/b-bigo)` has the same output filename as the bin target `main` in package `b-because-therefore-because v0.1.0 (/opt/rustwide/workdir/easy100/b-because-therefore-because)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-bigo v0.1.0 (/opt/rustwide/workdir/easy100/b-bigo)` has the same output filename as the bin target `main` in package `b-because-therefore-because v0.1.0 (/opt/rustwide/workdir/easy100/b-because-therefore-because)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-break-number v0.1.0 (/opt/rustwide/workdir/easy100/b-break-number)` has the same output filename as the bin target `main` in package `b-bigo v0.1.0 (/opt/rustwide/workdir/easy100/b-bigo)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-break-number v0.1.0 (/opt/rustwide/workdir/easy100/b-break-number)` has the same output filename as the bin target `main` in package `b-bigo v0.1.0 (/opt/rustwide/workdir/easy100/b-bigo)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-card-game-for-two v0.1.0 (/opt/rustwide/workdir/easy100/b-card-game-for-two)` has the same output filename as the bin target `main` in package `b-break-number v0.1.0 (/opt/rustwide/workdir/easy100/b-break-number)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-card-game-for-two v0.1.0 (/opt/rustwide/workdir/easy100/b-card-game-for-two)` has the same output filename as the bin target `main` in package `b-break-number v0.1.0 (/opt/rustwide/workdir/easy100/b-break-number)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-chocolate v0.1.0 (/opt/rustwide/workdir/easy100/b-chocolate)` has the same output filename as the bin target `main` in package `b-card-game-for-two v0.1.0 (/opt/rustwide/workdir/easy100/b-card-game-for-two)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-chocolate v0.1.0 (/opt/rustwide/workdir/easy100/b-chocolate)` has the same output filename as the bin target `main` in package `b-card-game-for-two v0.1.0 (/opt/rustwide/workdir/easy100/b-card-game-for-two)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-coins v0.1.0 (/opt/rustwide/workdir/easy100/b-coins)` has the same output filename as the bin target `main` in package `b-chocolate v0.1.0 (/opt/rustwide/workdir/easy100/b-chocolate)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-coins v0.1.0 (/opt/rustwide/workdir/easy100/b-coins)` has the same output filename as the bin target `main` in package `b-chocolate v0.1.0 (/opt/rustwide/workdir/easy100/b-chocolate)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-collatz-problem v0.1.0 (/opt/rustwide/workdir/easy100/b-collatz-problem)` has the same output filename as the bin target `main` in package `b-coins v0.1.0 (/opt/rustwide/workdir/easy100/b-coins)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-collatz-problem v0.1.0 (/opt/rustwide/workdir/easy100/b-collatz-problem)` has the same output filename as the bin target `main` in package `b-coins v0.1.0 (/opt/rustwide/workdir/easy100/b-coins)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-collecting-balls-easy-version v0.1.0 (/opt/rustwide/workdir/easy100/b-collecting-balls-easy-version)` has the same output filename as the bin target `main` in package `b-collatz-problem v0.1.0 (/opt/rustwide/workdir/easy100/b-collatz-problem)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-collecting-balls-easy-version v0.1.0 (/opt/rustwide/workdir/easy100/b-collecting-balls-easy-version)` has the same output filename as the bin target `main` in package `b-collatz-problem v0.1.0 (/opt/rustwide/workdir/easy100/b-collatz-problem)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-comparison v0.1.0 (/opt/rustwide/workdir/easy100/b-comparison)` has the same output filename as the bin target `main` in package `b-collecting-balls-easy-version v0.1.0 (/opt/rustwide/workdir/easy100/b-collecting-balls-easy-version)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-comparison v0.1.0 (/opt/rustwide/workdir/easy100/b-comparison)` has the same output filename as the bin target `main` in package `b-collecting-balls-easy-version v0.1.0 (/opt/rustwide/workdir/easy100/b-collecting-balls-easy-version)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-contest-with-drinks-easy v0.1.0 (/opt/rustwide/workdir/easy100/b-contest-with-drinks-easy)` has the same output filename as the bin target `main` in package `b-comparison v0.1.0 (/opt/rustwide/workdir/easy100/b-comparison)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-contest-with-drinks-easy v0.1.0 (/opt/rustwide/workdir/easy100/b-contest-with-drinks-easy)` has the same output filename as the bin target `main` in package `b-comparison v0.1.0 (/opt/rustwide/workdir/easy100/b-comparison)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-count-ball v0.1.0 (/opt/rustwide/workdir/easy100/b-count-ball)` has the same output filename as the bin target `main` in package `b-contest-with-drinks-easy v0.1.0 (/opt/rustwide/workdir/easy100/b-contest-with-drinks-easy)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-count-ball v0.1.0 (/opt/rustwide/workdir/easy100/b-count-ball)` has the same output filename as the bin target `main` in package `b-contest-with-drinks-easy v0.1.0 (/opt/rustwide/workdir/easy100/b-contest-with-drinks-easy)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-counting-roads v0.1.0 (/opt/rustwide/workdir/easy100/b-counting-roads)` has the same output filename as the bin target `main` in package `b-count-ball v0.1.0 (/opt/rustwide/workdir/easy100/b-count-ball)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-counting-roads v0.1.0 (/opt/rustwide/workdir/easy100/b-counting-roads)` has the same output filename as the bin target `main` in package `b-count-ball v0.1.0 (/opt/rustwide/workdir/easy100/b-count-ball)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-exponential v0.1.0 (/opt/rustwide/workdir/easy100/b-exponential)` has the same output filename as the bin target `main` in package `b-counting-roads v0.1.0 (/opt/rustwide/workdir/easy100/b-counting-roads)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-exponential v0.1.0 (/opt/rustwide/workdir/easy100/b-exponential)` has the same output filename as the bin target `main` in package `b-counting-roads v0.1.0 (/opt/rustwide/workdir/easy100/b-counting-roads)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-five-dishes v0.1.0 (/opt/rustwide/workdir/easy100/b-five-dishes)` has the same output filename as the bin target `main` in package `b-exponential v0.1.0 (/opt/rustwide/workdir/easy100/b-exponential)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-five-dishes v0.1.0 (/opt/rustwide/workdir/easy100/b-five-dishes)` has the same output filename as the bin target `main` in package `b-exponential v0.1.0 (/opt/rustwide/workdir/easy100/b-exponential)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-foods-loved-by-everyone v0.1.0 (/opt/rustwide/workdir/easy100/b-foods-loved-by-everyone)` has the same output filename as the bin target `main` in package `b-five-dishes v0.1.0 (/opt/rustwide/workdir/easy100/b-five-dishes)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-foods-loved-by-everyone v0.1.0 (/opt/rustwide/workdir/easy100/b-foods-loved-by-everyone)` has the same output filename as the bin target `main` in package `b-five-dishes v0.1.0 (/opt/rustwide/workdir/easy100/b-five-dishes)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-good-distance v0.1.0 (/opt/rustwide/workdir/easy100/b-good-distance)` has the same output filename as the bin target `main` in package `b-foods-loved-by-everyone v0.1.0 (/opt/rustwide/workdir/easy100/b-foods-loved-by-everyone)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-good-distance v0.1.0 (/opt/rustwide/workdir/easy100/b-good-distance)` has the same output filename as the bin target `main` in package `b-foods-loved-by-everyone v0.1.0 (/opt/rustwide/workdir/easy100/b-foods-loved-by-everyone)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-guidebook v0.1.0 (/opt/rustwide/workdir/easy100/b-guidebook)` has the same output filename as the bin target `main` in package `b-good-distance v0.1.0 (/opt/rustwide/workdir/easy100/b-good-distance)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-guidebook v0.1.0 (/opt/rustwide/workdir/easy100/b-guidebook)` has the same output filename as the bin target `main` in package `b-good-distance v0.1.0 (/opt/rustwide/workdir/easy100/b-good-distance)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-increment-decrement v0.1.0 (/opt/rustwide/workdir/easy100/b-increment-decrement)` has the same output filename as the bin target `main` in package `b-guidebook v0.1.0 (/opt/rustwide/workdir/easy100/b-guidebook)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-increment-decrement v0.1.0 (/opt/rustwide/workdir/easy100/b-increment-decrement)` has the same output filename as the bin target `main` in package `b-guidebook v0.1.0 (/opt/rustwide/workdir/easy100/b-guidebook)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-iroha-loves-strings v0.1.0 (/opt/rustwide/workdir/easy100/b-iroha-loves-strings)` has the same output filename as the bin target `main` in package `b-increment-decrement v0.1.0 (/opt/rustwide/workdir/easy100/b-increment-decrement)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-iroha-loves-strings v0.1.0 (/opt/rustwide/workdir/easy100/b-iroha-loves-strings)` has the same output filename as the bin target `main` in package `b-increment-decrement v0.1.0 (/opt/rustwide/workdir/easy100/b-increment-decrement)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-lucas-numbers v0.1.0 (/opt/rustwide/workdir/easy100/b-lucas-numbers)` has the same output filename as the bin target `main` in package `b-iroha-loves-strings v0.1.0 (/opt/rustwide/workdir/easy100/b-iroha-loves-strings)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-lucas-numbers v0.1.0 (/opt/rustwide/workdir/easy100/b-lucas-numbers)` has the same output filename as the bin target `main` in package `b-iroha-loves-strings v0.1.0 (/opt/rustwide/workdir/easy100/b-iroha-loves-strings)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-nice-shopping v0.1.0 (/opt/rustwide/workdir/easy100/b-nice-shopping)` has the same output filename as the bin target `main` in package `b-lucas-numbers v0.1.0 (/opt/rustwide/workdir/easy100/b-lucas-numbers)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-nice-shopping v0.1.0 (/opt/rustwide/workdir/easy100/b-nice-shopping)` has the same output filename as the bin target `main` in package `b-lucas-numbers v0.1.0 (/opt/rustwide/workdir/easy100/b-lucas-numbers)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-not-found v0.1.0 (/opt/rustwide/workdir/easy100/b-not-found)` has the same output filename as the bin target `main` in package `b-nice-shopping v0.1.0 (/opt/rustwide/workdir/easy100/b-nice-shopping)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-not-found v0.1.0 (/opt/rustwide/workdir/easy100/b-not-found)` has the same output filename as the bin target `main` in package `b-nice-shopping v0.1.0 (/opt/rustwide/workdir/easy100/b-nice-shopping)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-palace v0.1.0 (/opt/rustwide/workdir/easy100/b-palace)` has the same output filename as the bin target `main` in package `b-not-found v0.1.0 (/opt/rustwide/workdir/easy100/b-not-found)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-palace v0.1.0 (/opt/rustwide/workdir/easy100/b-palace)` has the same output filename as the bin target `main` in package `b-not-found v0.1.0 (/opt/rustwide/workdir/easy100/b-not-found)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-palindromic-numbers v0.1.0 (/opt/rustwide/workdir/easy100/b-palindromic-numbers)` has the same output filename as the bin target `main` in package `b-palace v0.1.0 (/opt/rustwide/workdir/easy100/b-palace)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-palindromic-numbers v0.1.0 (/opt/rustwide/workdir/easy100/b-palindromic-numbers)` has the same output filename as the bin target `main` in package `b-palace v0.1.0 (/opt/rustwide/workdir/easy100/b-palace)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-picture-frame v0.1.0 (/opt/rustwide/workdir/easy100/b-picture-frame)` has the same output filename as the bin target `main` in package `b-palindromic-numbers v0.1.0 (/opt/rustwide/workdir/easy100/b-palindromic-numbers)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-picture-frame v0.1.0 (/opt/rustwide/workdir/easy100/b-picture-frame)` has the same output filename as the bin target `main` in package `b-palindromic-numbers v0.1.0 (/opt/rustwide/workdir/easy100/b-palindromic-numbers)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-postal-code v0.1.0 (/opt/rustwide/workdir/easy100/b-postal-code)` has the same output filename as the bin target `main` in package `b-picture-frame v0.1.0 (/opt/rustwide/workdir/easy100/b-picture-frame)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-postal-code v0.1.0 (/opt/rustwide/workdir/easy100/b-postal-code)` has the same output filename as the bin target `main` in package `b-picture-frame v0.1.0 (/opt/rustwide/workdir/easy100/b-picture-frame)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-ruined-square v0.1.0 (/opt/rustwide/workdir/easy100/b-ruined-square)` has the same output filename as the bin target `main` in package `b-postal-code v0.1.0 (/opt/rustwide/workdir/easy100/b-postal-code)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-ruined-square v0.1.0 (/opt/rustwide/workdir/easy100/b-ruined-square)` has the same output filename as the bin target `main` in package `b-postal-code v0.1.0 (/opt/rustwide/workdir/easy100/b-postal-code)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-shift-only v0.1.0 (/opt/rustwide/workdir/easy100/b-shift-only)` has the same output filename as the bin target `main` in package `b-ruined-square v0.1.0 (/opt/rustwide/workdir/easy100/b-ruined-square)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-shift-only v0.1.0 (/opt/rustwide/workdir/easy100/b-shift-only)` has the same output filename as the bin target `main` in package `b-ruined-square v0.1.0 (/opt/rustwide/workdir/easy100/b-ruined-square)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-shiritori v0.1.0 (/opt/rustwide/workdir/easy100/b-shiritori)` has the same output filename as the bin target `main` in package `b-shift-only v0.1.0 (/opt/rustwide/workdir/easy100/b-shift-only)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-shiritori v0.1.0 (/opt/rustwide/workdir/easy100/b-shiritori)` has the same output filename as the bin target `main` in package `b-shift-only v0.1.0 (/opt/rustwide/workdir/easy100/b-shift-only)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-small-and-large-integers v0.1.0 (/opt/rustwide/workdir/easy100/b-small-and-large-integers)` has the same output filename as the bin target `main` in package `b-shiritori v0.1.0 (/opt/rustwide/workdir/easy100/b-shiritori)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-small-and-large-integers v0.1.0 (/opt/rustwide/workdir/easy100/b-small-and-large-integers)` has the same output filename as the bin target `main` in package `b-shiritori v0.1.0 (/opt/rustwide/workdir/easy100/b-shiritori)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-some-sums v0.1.0 (/opt/rustwide/workdir/easy100/b-some-sums)` has the same output filename as the bin target `main` in package `b-small-and-large-integers v0.1.0 (/opt/rustwide/workdir/easy100/b-small-and-large-integers)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-some-sums v0.1.0 (/opt/rustwide/workdir/easy100/b-some-sums)` has the same output filename as the bin target `main` in package `b-small-and-large-integers v0.1.0 (/opt/rustwide/workdir/easy100/b-small-and-large-integers)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-string-rotation v0.1.0 (/opt/rustwide/workdir/easy100/b-string-rotation)` has the same output filename as the bin target `main` in package `b-some-sums v0.1.0 (/opt/rustwide/workdir/easy100/b-some-sums)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-string-rotation v0.1.0 (/opt/rustwide/workdir/easy100/b-string-rotation)` has the same output filename as the bin target `main` in package `b-some-sums v0.1.0 (/opt/rustwide/workdir/easy100/b-some-sums)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-tatenaga v0.1.0 (/opt/rustwide/workdir/easy100/b-tatenaga)` has the same output filename as the bin target `main` in package `b-string-rotation v0.1.0 (/opt/rustwide/workdir/easy100/b-string-rotation)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-tatenaga v0.1.0 (/opt/rustwide/workdir/easy100/b-tatenaga)` has the same output filename as the bin target `main` in package `b-string-rotation v0.1.0 (/opt/rustwide/workdir/easy100/b-string-rotation)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-toll-gates v0.1.0 (/opt/rustwide/workdir/easy100/b-toll-gates)` has the same output filename as the bin target `main` in package `b-tatenaga v0.1.0 (/opt/rustwide/workdir/easy100/b-tatenaga)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-toll-gates v0.1.0 (/opt/rustwide/workdir/easy100/b-toll-gates)` has the same output filename as the bin target `main` in package `b-tatenaga v0.1.0 (/opt/rustwide/workdir/easy100/b-tatenaga)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-varied v0.1.0 (/opt/rustwide/workdir/easy100/b-varied)` has the same output filename as the bin target `main` in package `b-toll-gates v0.1.0 (/opt/rustwide/workdir/easy100/b-toll-gates)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-varied v0.1.0 (/opt/rustwide/workdir/easy100/b-varied)` has the same output filename as the bin target `main` in package `b-toll-gates v0.1.0 (/opt/rustwide/workdir/easy100/b-toll-gates)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-100-to-105 v0.1.0 (/opt/rustwide/workdir/easy100/c-100-to-105)` has the same output filename as the bin target `main` in package `b-varied v0.1.0 (/opt/rustwide/workdir/easy100/b-varied)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-100-to-105 v0.1.0 (/opt/rustwide/workdir/easy100/c-100-to-105)` has the same output filename as the bin target `main` in package `b-varied v0.1.0 (/opt/rustwide/workdir/easy100/b-varied)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-alchemist v0.1.0 (/opt/rustwide/workdir/easy100/c-alchemist)` has the same output filename as the bin target `main` in package `c-100-to-105 v0.1.0 (/opt/rustwide/workdir/easy100/c-100-to-105)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-alchemist v0.1.0 (/opt/rustwide/workdir/easy100/c-alchemist)` has the same output filename as the bin target `main` in package `c-100-to-105 v0.1.0 (/opt/rustwide/workdir/easy100/c-100-to-105)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-attack-survival v0.1.0 (/opt/rustwide/workdir/easy100/c-attack-survival)` has the same output filename as the bin target `main` in package `c-alchemist v0.1.0 (/opt/rustwide/workdir/easy100/c-alchemist)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-attack-survival v0.1.0 (/opt/rustwide/workdir/easy100/c-attack-survival)` has the same output filename as the bin target `main` in package `c-alchemist v0.1.0 (/opt/rustwide/workdir/easy100/c-alchemist)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-coloring-colorfully v0.1.0 (/opt/rustwide/workdir/easy100/c-coloring-colorfully)` has the same output filename as the bin target `main` in package `c-attack-survival v0.1.0 (/opt/rustwide/workdir/easy100/c-attack-survival)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-coloring-colorfully v0.1.0 (/opt/rustwide/workdir/easy100/c-coloring-colorfully)` has the same output filename as the bin target `main` in package `c-attack-survival v0.1.0 (/opt/rustwide/workdir/easy100/c-attack-survival)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-count-order v0.1.0 (/opt/rustwide/workdir/easy100/c-count-order)` has the same output filename as the bin target `main` in package `c-coloring-colorfully v0.1.0 (/opt/rustwide/workdir/easy100/c-coloring-colorfully)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-count-order v0.1.0 (/opt/rustwide/workdir/easy100/c-count-order)` has the same output filename as the bin target `main` in package `c-coloring-colorfully v0.1.0 (/opt/rustwide/workdir/easy100/c-coloring-colorfully)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-divide-the-problems v0.1.0 (/opt/rustwide/workdir/easy100/c-divide-the-problems)` has the same output filename as the bin target `main` in package `c-count-order v0.1.0 (/opt/rustwide/workdir/easy100/c-count-order)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-divide-the-problems v0.1.0 (/opt/rustwide/workdir/easy100/c-divide-the-problems)` has the same output filename as the bin target `main` in package `c-count-order v0.1.0 (/opt/rustwide/workdir/easy100/c-count-order)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-exception-handling v0.1.0 (/opt/rustwide/workdir/easy100/c-exception-handling)` has the same output filename as the bin target `main` in package `c-divide-the-problems v0.1.0 (/opt/rustwide/workdir/easy100/c-divide-the-problems)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-exception-handling v0.1.0 (/opt/rustwide/workdir/easy100/c-exception-handling)` has the same output filename as the bin target `main` in package `c-divide-the-problems v0.1.0 (/opt/rustwide/workdir/easy100/c-divide-the-problems)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-go-to-school v0.1.0 (/opt/rustwide/workdir/easy100/c-go-to-school)` has the same output filename as the bin target `main` in package `c-exception-handling v0.1.0 (/opt/rustwide/workdir/easy100/c-exception-handling)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-go-to-school v0.1.0 (/opt/rustwide/workdir/easy100/c-go-to-school)` has the same output filename as the bin target `main` in package `c-exception-handling v0.1.0 (/opt/rustwide/workdir/easy100/c-exception-handling)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-low-elemnts v0.1.0 (/opt/rustwide/workdir/easy100/c-low-elemnts)` has the same output filename as the bin target `main` in package `c-go-to-school v0.1.0 (/opt/rustwide/workdir/easy100/c-go-to-school)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-low-elemnts v0.1.0 (/opt/rustwide/workdir/easy100/c-low-elemnts)` has the same output filename as the bin target `main` in package `c-go-to-school v0.1.0 (/opt/rustwide/workdir/easy100/c-go-to-school)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-lower v0.1.0 (/opt/rustwide/workdir/easy100/c-lower)` has the same output filename as the bin target `main` in package `c-low-elemnts v0.1.0 (/opt/rustwide/workdir/easy100/c-low-elemnts)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-lower v0.1.0 (/opt/rustwide/workdir/easy100/c-lower)` has the same output filename as the bin target `main` in package `c-low-elemnts v0.1.0 (/opt/rustwide/workdir/easy100/c-low-elemnts)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-maximal-value v0.1.0 (/opt/rustwide/workdir/easy100/c-maximal-value)` has the same output filename as the bin target `main` in package `c-lower v0.1.0 (/opt/rustwide/workdir/easy100/c-lower)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-maximal-value v0.1.0 (/opt/rustwide/workdir/easy100/c-maximal-value)` has the same output filename as the bin target `main` in package `c-lower v0.1.0 (/opt/rustwide/workdir/easy100/c-lower)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-next-prime v0.1.0 (/opt/rustwide/workdir/easy100/c-next-prime)` has the same output filename as the bin target `main` in package `c-maximal-value v0.1.0 (/opt/rustwide/workdir/easy100/c-maximal-value)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-next-prime v0.1.0 (/opt/rustwide/workdir/easy100/c-next-prime)` has the same output filename as the bin target `main` in package `c-maximal-value v0.1.0 (/opt/rustwide/workdir/easy100/c-maximal-value)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-poll v0.1.0 (/opt/rustwide/workdir/easy100/c-poll)` has the same output filename as the bin target `main` in package `c-next-prime v0.1.0 (/opt/rustwide/workdir/easy100/c-next-prime)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-poll v0.1.0 (/opt/rustwide/workdir/easy100/c-poll)` has the same output filename as the bin target `main` in package `c-next-prime v0.1.0 (/opt/rustwide/workdir/easy100/c-next-prime)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-prison v0.1.0 (/opt/rustwide/workdir/easy100/c-prison)` has the same output filename as the bin target `main` in package `c-poll v0.1.0 (/opt/rustwide/workdir/easy100/c-poll)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-prison v0.1.0 (/opt/rustwide/workdir/easy100/c-prison)` has the same output filename as the bin target `main` in package `c-poll v0.1.0 (/opt/rustwide/workdir/easy100/c-poll)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-replacing-integer v0.1.0 (/opt/rustwide/workdir/easy100/c-replacing-integer)` has the same output filename as the bin target `main` in package `c-prison v0.1.0 (/opt/rustwide/workdir/easy100/c-prison)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-replacing-integer v0.1.0 (/opt/rustwide/workdir/easy100/c-replacing-integer)` has the same output filename as the bin target `main` in package `c-prison v0.1.0 (/opt/rustwide/workdir/easy100/c-prison)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-tax-increase v0.1.0 (/opt/rustwide/workdir/easy100/c-tax-increase)` has the same output filename as the bin target `main` in package `c-replacing-integer v0.1.0 (/opt/rustwide/workdir/easy100/c-replacing-integer)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-tax-increase v0.1.0 (/opt/rustwide/workdir/easy100/c-tax-increase)` has the same output filename as the bin target `main` in package `c-replacing-integer v0.1.0 (/opt/rustwide/workdir/easy100/c-replacing-integer)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-traveling-salesman-around-lake v0.1.0 (/opt/rustwide/workdir/easy100/c-traveling-salesman-around-lake)` has the same output filename as the bin target `main` in package `c-tax-increase v0.1.0 (/opt/rustwide/workdir/easy100/c-tax-increase)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-traveling-salesman-around-lake v0.1.0 (/opt/rustwide/workdir/easy100/c-traveling-salesman-around-lake)` has the same output filename as the bin target `main` in package `c-tax-increase v0.1.0 (/opt/rustwide/workdir/easy100/c-tax-increase)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `d-brick-break v0.1.0 (/opt/rustwide/workdir/easy100/d-brick-break)` has the same output filename as the bin target `main` in package `c-traveling-salesman-around-lake v0.1.0 (/opt/rustwide/workdir/easy100/c-traveling-salesman-around-lake)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `d-brick-break v0.1.0 (/opt/rustwide/workdir/easy100/d-brick-break)` has the same output filename as the bin target `main` in package `c-traveling-salesman-around-lake v0.1.0 (/opt/rustwide/workdir/easy100/c-traveling-salesman-around-lake)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `d-caracal-vs-monster v0.1.0 (/opt/rustwide/workdir/easy100/d-caracal-vs-monster)` has the same output filename as the bin target `main` in package `d-brick-break v0.1.0 (/opt/rustwide/workdir/easy100/d-brick-break)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `d-caracal-vs-monster v0.1.0 (/opt/rustwide/workdir/easy100/d-caracal-vs-monster)` has the same output filename as the bin target `main` in package `d-brick-break v0.1.0 (/opt/rustwide/workdir/easy100/d-brick-break)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling proconio v0.4.3
[INFO] [stderr]    Compiling serde v1.0.185
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling matrixmultiply v0.2.4
[INFO] [stderr]    Compiling b_can_you_solve_this v0.1.0 (/opt/rustwide/workdir/easy100/b_can_you_solve_this)
[INFO] [stderr]    Compiling b_power_socket v0.1.0 (/opt/rustwide/workdir/easy100/b_power_socket)
[INFO] [stderr]    Compiling b_tax_rate v0.1.0 (/opt/rustwide/workdir/easy100/b_tax_rate)
[INFO] [stderr]    Compiling b_qualification_simulator v0.1.0 (/opt/rustwide/workdir/easy100/b_qualification_simulator)
[INFO] [stderr]    Compiling c_rally v0.1.0 (/opt/rustwide/workdir/easy100/c_rally)
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> easy100/b_qualification_simulator/src/main.rs:29:10
[INFO] [stdout]    |
[INFO] [stdout] 29 |         (n, a, b): (i32, i32, i32),
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling b-bishop v0.1.0 (/opt/rustwide/workdir/easy100/b-bishop)
[INFO] [stderr]    Compiling proconio-derive v0.1.9
[INFO] [stderr]    Compiling proconio v0.3.6
[INFO] [stderr]    Compiling c-exception-handling v0.1.0 (/opt/rustwide/workdir/easy100/c-exception-handling)
[INFO] [stderr]    Compiling b-lucas-numbers v0.1.0 (/opt/rustwide/workdir/easy100/b-lucas-numbers)
[INFO] [stderr]    Compiling a-candy-distribution-agein v0.1.0 (/opt/rustwide/workdir/easy100/a-candy-distribution-agein)
[INFO] [stderr]    Compiling b-picture-frame v0.1.0 (/opt/rustwide/workdir/easy100/b-picture-frame)
[INFO] [stderr]    Compiling b-palindromic-numbers v0.1.0 (/opt/rustwide/workdir/easy100/b-palindromic-numbers)
[INFO] [stderr]    Compiling b-ac-cepted v0.1.0 (/opt/rustwide/workdir/easy100/b-ac-cepted)
[INFO] [stderr]    Compiling c-attack-survival v0.1.0 (/opt/rustwide/workdir/easy100/c-attack-survival)
[INFO] [stderr]    Compiling c-maximal-value v0.1.0 (/opt/rustwide/workdir/easy100/c-maximal-value)
[INFO] [stderr]    Compiling b-754 v0.1.0 (/opt/rustwide/workdir/easy100/b-754)
[INFO] [stderr]    Compiling a-wanna-go-back-home v0.1.0 (/opt/rustwide/workdir/easy100/a-wanna-go-back-home)
[INFO] [stderr]    Compiling c-low-elemnts v0.1.0 (/opt/rustwide/workdir/easy100/c-low-elemnts)
[INFO] [stderr]    Compiling c-next-prime v0.1.0 (/opt/rustwide/workdir/easy100/c-next-prime)
[INFO] [stderr]    Compiling b-break-number v0.1.0 (/opt/rustwide/workdir/easy100/b-break-number)
[INFO] [stderr]    Compiling b-not-found v0.1.0 (/opt/rustwide/workdir/easy100/b-not-found)
[INFO] [stderr]    Compiling b-chocolate v0.1.0 (/opt/rustwide/workdir/easy100/b-chocolate)
[INFO] [stderr]    Compiling b-ruined-square v0.1.0 (/opt/rustwide/workdir/easy100/b-ruined-square)
[INFO] [stderr]    Compiling b-comparison v0.1.0 (/opt/rustwide/workdir/easy100/b-comparison)
[INFO] [stderr]    Compiling b-exponential v0.1.0 (/opt/rustwide/workdir/easy100/b-exponential)
[INFO] [stderr]    Compiling a-digit-sum-2 v0.1.0 (/opt/rustwide/workdir/easy100/a-digit-sum-2)
[INFO] [stderr]    Compiling b-counting-roads v0.1.0 (/opt/rustwide/workdir/easy100/b-counting-roads)
[INFO] [stderr]    Compiling b-shift-only v0.1.0 (/opt/rustwide/workdir/easy100/b-shift-only)
[INFO] [stderr]    Compiling a-dividing-a-string v0.1.0 (/opt/rustwide/workdir/easy100/a-dividing-a-string)
[INFO] [stderr]    Compiling b-collecting-balls-easy-version v0.1.0 (/opt/rustwide/workdir/easy100/b-collecting-balls-easy-version)
[INFO] [stderr]    Compiling b-five-dishes v0.1.0 (/opt/rustwide/workdir/easy100/b-five-dishes)
[INFO] [stderr]    Compiling b-tatenaga v0.1.0 (/opt/rustwide/workdir/easy100/b-tatenaga)
[INFO] [stderr]    Compiling b-toll-gates v0.1.0 (/opt/rustwide/workdir/easy100/b-toll-gates)
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]  --> easy100/b-tatenaga/src/main.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |         (h, w): (usize,usize),
[INFO] [stdout]   |             ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling b-atcoder v0.1.0 (/opt/rustwide/workdir/easy100/b-atcoder)
[INFO] [stderr]    Compiling c-100-to-105 v0.1.0 (/opt/rustwide/workdir/easy100/c-100-to-105)
[INFO] [stderr]    Compiling b-count-ball v0.1.0 (/opt/rustwide/workdir/easy100/b-count-ball)
[INFO] [stderr]    Compiling b-increment-decrement v0.1.0 (/opt/rustwide/workdir/easy100/b-increment-decrement)
[INFO] [stderr]    Compiling c-coloring-colorfully v0.1.0 (/opt/rustwide/workdir/easy100/c-coloring-colorfully)
[INFO] [stderr]    Compiling c-count-order v0.1.0 (/opt/rustwide/workdir/easy100/c-count-order)
[INFO] [stderr]    Compiling c-lower v0.1.0 (/opt/rustwide/workdir/easy100/c-lower)
[INFO] [stderr]    Compiling b-palace v0.1.0 (/opt/rustwide/workdir/easy100/b-palace)
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]  --> easy100/b-increment-decrement/src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         n: usize,
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling b-121 v0.1.0 (/opt/rustwide/workdir/easy100/b-121)
[INFO] [stderr]    Compiling b-collatz-problem v0.1.0 (/opt/rustwide/workdir/easy100/b-collatz-problem)
[INFO] [stdout] warning: unused variable: `rounded`
[INFO] [stdout]  --> easy100/c-100-to-105/src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let rounded = x / 100;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rounded`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fraction`
[INFO] [stdout]   --> easy100/c-100-to-105/src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let fraction = x % 100;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fraction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total`
[INFO] [stdout]   --> easy100/c-100-to-105/src/main.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let (result, total) = goods.iter().fold((x, 0), |(acc, total), &g| {
[INFO] [stdout]    |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_total`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling b-good-distance v0.1.0 (/opt/rustwide/workdir/easy100/b-good-distance)
[INFO] [stderr]    Compiling c-divide-the-problems v0.1.0 (/opt/rustwide/workdir/easy100/c-divide-the-problems)
[INFO] [stderr]    Compiling b-small-and-large-integers v0.1.0 (/opt/rustwide/workdir/easy100/b-small-and-large-integers)
[INFO] [stderr]    Compiling c-tax-increase v0.1.0 (/opt/rustwide/workdir/easy100/c-tax-increase)
[INFO] [stderr]    Compiling c-traveling-salesman-around-lake v0.1.0 (/opt/rustwide/workdir/easy100/c-traveling-salesman-around-lake)
[INFO] [stderr]    Compiling b-bigo v0.1.0 (/opt/rustwide/workdir/easy100/b-bigo)
[INFO] [stderr]    Compiling d-brick-break v0.1.0 (/opt/rustwide/workdir/easy100/d-brick-break)
[INFO] [stderr]    Compiling d-caracal-vs-monster v0.1.0 (/opt/rustwide/workdir/easy100/d-caracal-vs-monster)
[INFO] [stderr]    Compiling b-shiritori v0.1.0 (/opt/rustwide/workdir/easy100/b-shiritori)
[INFO] [stderr]    Compiling c-replacing-integer v0.1.0 (/opt/rustwide/workdir/easy100/c-replacing-integer)
[INFO] [stderr]    Compiling b-varied v0.1.0 (/opt/rustwide/workdir/easy100/b-varied)
[INFO] [stderr]    Compiling a-range-product v0.1.0 (/opt/rustwide/workdir/easy100/a-range-product)
[INFO] [stderr]    Compiling a-cookie-exchanges v0.1.0 (/opt/rustwide/workdir/easy100/a-cookie-exchanges)
[INFO] [stderr]    Compiling b-contest-with-drinks-easy v0.1.0 (/opt/rustwide/workdir/easy100/b-contest-with-drinks-easy)
[INFO] [stderr]    Compiling b-guidebook v0.1.0 (/opt/rustwide/workdir/easy100/b-guidebook)
[INFO] [stderr]    Compiling b-string-rotation v0.1.0 (/opt/rustwide/workdir/easy100/b-string-rotation)
[INFO] [stderr]    Compiling b-some-sums v0.1.0 (/opt/rustwide/workdir/easy100/b-some-sums)
[INFO] [stderr]    Compiling b-iroha-loves-strings v0.1.0 (/opt/rustwide/workdir/easy100/b-iroha-loves-strings)
[INFO] [stderr]    Compiling b-foods-loved-by-everyone v0.1.0 (/opt/rustwide/workdir/easy100/b-foods-loved-by-everyone)
[INFO] [stderr]    Compiling b-coins v0.1.0 (/opt/rustwide/workdir/easy100/b-coins)
[INFO] [stderr]    Compiling b-nice-shopping v0.1.0 (/opt/rustwide/workdir/easy100/b-nice-shopping)
[INFO] [stderr]    Compiling a-fairness v0.1.0 (/opt/rustwide/workdir/easy100/a-fairness)
[INFO] [stderr]    Compiling b-beautiful-strings v0.1.0 (/opt/rustwide/workdir/easy100/b-beautiful-strings)
[INFO] [stderr]    Compiling b-because-therefore-because v0.1.0 (/opt/rustwide/workdir/easy100/b-because-therefore-because)
[INFO] [stderr]    Compiling c-alchemist v0.1.0 (/opt/rustwide/workdir/easy100/c-alchemist)
[INFO] [stderr]    Compiling c-go-to-school v0.1.0 (/opt/rustwide/workdir/easy100/c-go-to-school)
[INFO] [stderr]    Compiling c-poll v0.1.0 (/opt/rustwide/workdir/easy100/c-poll)
[INFO] [stderr]    Compiling c-prison v0.1.0 (/opt/rustwide/workdir/easy100/c-prison)
[INFO] [stderr]    Compiling b-a-to-z-string v0.1.0 (/opt/rustwide/workdir/easy100/b-a-to-z-string)
[INFO] [stderr]    Compiling b-postal-code v0.1.0 (/opt/rustwide/workdir/easy100/b-postal-code)
[INFO] [stderr]    Compiling b-card-game-for-two v0.1.0 (/opt/rustwide/workdir/easy100/b-card-game-for-two)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.46s
[INFO] running `Command { std: "docker" "inspect" "7450aa917cd101025d8d5d7285d3c362060ab094098804d6b7aa8c6791987274", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7450aa917cd101025d8d5d7285d3c362060ab094098804d6b7aa8c6791987274", kill_on_drop: false }`
[INFO] [stdout] 7450aa917cd101025d8d5d7285d3c362060ab094098804d6b7aa8c6791987274
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3dd4c6ec0159d0b1db25281ef629f480a178d6b24dac11aac34424884635a41
[INFO] running `Command { std: "docker" "start" "-a" "b3dd4c6ec0159d0b1db25281ef629f480a178d6b24dac11aac34424884635a41", kill_on_drop: false }`
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `a-cookie-exchanges v0.1.0 (/opt/rustwide/workdir/easy100/a-cookie-exchanges)` has the same output filename as the bin target `main` in package `a-candy-distribution-agein v0.1.0 (/opt/rustwide/workdir/easy100/a-candy-distribution-agein)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `a-cookie-exchanges v0.1.0 (/opt/rustwide/workdir/easy100/a-cookie-exchanges)` has the same output filename as the bin target `main` in package `a-candy-distribution-agein v0.1.0 (/opt/rustwide/workdir/easy100/a-candy-distribution-agein)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `a-digit-sum-2 v0.1.0 (/opt/rustwide/workdir/easy100/a-digit-sum-2)` has the same output filename as the bin target `main` in package `a-cookie-exchanges v0.1.0 (/opt/rustwide/workdir/easy100/a-cookie-exchanges)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `a-digit-sum-2 v0.1.0 (/opt/rustwide/workdir/easy100/a-digit-sum-2)` has the same output filename as the bin target `main` in package `a-cookie-exchanges v0.1.0 (/opt/rustwide/workdir/easy100/a-cookie-exchanges)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `a-dividing-a-string v0.1.0 (/opt/rustwide/workdir/easy100/a-dividing-a-string)` has the same output filename as the bin target `main` in package `a-digit-sum-2 v0.1.0 (/opt/rustwide/workdir/easy100/a-digit-sum-2)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `a-dividing-a-string v0.1.0 (/opt/rustwide/workdir/easy100/a-dividing-a-string)` has the same output filename as the bin target `main` in package `a-digit-sum-2 v0.1.0 (/opt/rustwide/workdir/easy100/a-digit-sum-2)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `a-fairness v0.1.0 (/opt/rustwide/workdir/easy100/a-fairness)` has the same output filename as the bin target `main` in package `a-dividing-a-string v0.1.0 (/opt/rustwide/workdir/easy100/a-dividing-a-string)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `a-fairness v0.1.0 (/opt/rustwide/workdir/easy100/a-fairness)` has the same output filename as the bin target `main` in package `a-dividing-a-string v0.1.0 (/opt/rustwide/workdir/easy100/a-dividing-a-string)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `a-range-product v0.1.0 (/opt/rustwide/workdir/easy100/a-range-product)` has the same output filename as the bin target `main` in package `a-fairness v0.1.0 (/opt/rustwide/workdir/easy100/a-fairness)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `a-range-product v0.1.0 (/opt/rustwide/workdir/easy100/a-range-product)` has the same output filename as the bin target `main` in package `a-fairness v0.1.0 (/opt/rustwide/workdir/easy100/a-fairness)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `a-wanna-go-back-home v0.1.0 (/opt/rustwide/workdir/easy100/a-wanna-go-back-home)` has the same output filename as the bin target `main` in package `a-range-product v0.1.0 (/opt/rustwide/workdir/easy100/a-range-product)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `a-wanna-go-back-home v0.1.0 (/opt/rustwide/workdir/easy100/a-wanna-go-back-home)` has the same output filename as the bin target `main` in package `a-range-product v0.1.0 (/opt/rustwide/workdir/easy100/a-range-product)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-121 v0.1.0 (/opt/rustwide/workdir/easy100/b-121)` has the same output filename as the bin target `main` in package `a-wanna-go-back-home v0.1.0 (/opt/rustwide/workdir/easy100/a-wanna-go-back-home)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-121 v0.1.0 (/opt/rustwide/workdir/easy100/b-121)` has the same output filename as the bin target `main` in package `a-wanna-go-back-home v0.1.0 (/opt/rustwide/workdir/easy100/a-wanna-go-back-home)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-754 v0.1.0 (/opt/rustwide/workdir/easy100/b-754)` has the same output filename as the bin target `main` in package `b-121 v0.1.0 (/opt/rustwide/workdir/easy100/b-121)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-754 v0.1.0 (/opt/rustwide/workdir/easy100/b-754)` has the same output filename as the bin target `main` in package `b-121 v0.1.0 (/opt/rustwide/workdir/easy100/b-121)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-a-to-z-string v0.1.0 (/opt/rustwide/workdir/easy100/b-a-to-z-string)` has the same output filename as the bin target `main` in package `b-754 v0.1.0 (/opt/rustwide/workdir/easy100/b-754)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-a-to-z-string v0.1.0 (/opt/rustwide/workdir/easy100/b-a-to-z-string)` has the same output filename as the bin target `main` in package `b-754 v0.1.0 (/opt/rustwide/workdir/easy100/b-754)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-ac-cepted v0.1.0 (/opt/rustwide/workdir/easy100/b-ac-cepted)` has the same output filename as the bin target `main` in package `b-a-to-z-string v0.1.0 (/opt/rustwide/workdir/easy100/b-a-to-z-string)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-ac-cepted v0.1.0 (/opt/rustwide/workdir/easy100/b-ac-cepted)` has the same output filename as the bin target `main` in package `b-a-to-z-string v0.1.0 (/opt/rustwide/workdir/easy100/b-a-to-z-string)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-atcoder v0.1.0 (/opt/rustwide/workdir/easy100/b-atcoder)` has the same output filename as the bin target `main` in package `b-ac-cepted v0.1.0 (/opt/rustwide/workdir/easy100/b-ac-cepted)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-atcoder v0.1.0 (/opt/rustwide/workdir/easy100/b-atcoder)` has the same output filename as the bin target `main` in package `b-ac-cepted v0.1.0 (/opt/rustwide/workdir/easy100/b-ac-cepted)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-beautiful-strings v0.1.0 (/opt/rustwide/workdir/easy100/b-beautiful-strings)` has the same output filename as the bin target `main` in package `b-atcoder v0.1.0 (/opt/rustwide/workdir/easy100/b-atcoder)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-beautiful-strings v0.1.0 (/opt/rustwide/workdir/easy100/b-beautiful-strings)` has the same output filename as the bin target `main` in package `b-atcoder v0.1.0 (/opt/rustwide/workdir/easy100/b-atcoder)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-because-therefore-because v0.1.0 (/opt/rustwide/workdir/easy100/b-because-therefore-because)` has the same output filename as the bin target `main` in package `b-beautiful-strings v0.1.0 (/opt/rustwide/workdir/easy100/b-beautiful-strings)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-because-therefore-because v0.1.0 (/opt/rustwide/workdir/easy100/b-because-therefore-because)` has the same output filename as the bin target `main` in package `b-beautiful-strings v0.1.0 (/opt/rustwide/workdir/easy100/b-beautiful-strings)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-bigo v0.1.0 (/opt/rustwide/workdir/easy100/b-bigo)` has the same output filename as the bin target `main` in package `b-because-therefore-because v0.1.0 (/opt/rustwide/workdir/easy100/b-because-therefore-because)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-bigo v0.1.0 (/opt/rustwide/workdir/easy100/b-bigo)` has the same output filename as the bin target `main` in package `b-because-therefore-because v0.1.0 (/opt/rustwide/workdir/easy100/b-because-therefore-because)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-break-number v0.1.0 (/opt/rustwide/workdir/easy100/b-break-number)` has the same output filename as the bin target `main` in package `b-bigo v0.1.0 (/opt/rustwide/workdir/easy100/b-bigo)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-break-number v0.1.0 (/opt/rustwide/workdir/easy100/b-break-number)` has the same output filename as the bin target `main` in package `b-bigo v0.1.0 (/opt/rustwide/workdir/easy100/b-bigo)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-card-game-for-two v0.1.0 (/opt/rustwide/workdir/easy100/b-card-game-for-two)` has the same output filename as the bin target `main` in package `b-break-number v0.1.0 (/opt/rustwide/workdir/easy100/b-break-number)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-card-game-for-two v0.1.0 (/opt/rustwide/workdir/easy100/b-card-game-for-two)` has the same output filename as the bin target `main` in package `b-break-number v0.1.0 (/opt/rustwide/workdir/easy100/b-break-number)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-chocolate v0.1.0 (/opt/rustwide/workdir/easy100/b-chocolate)` has the same output filename as the bin target `main` in package `b-card-game-for-two v0.1.0 (/opt/rustwide/workdir/easy100/b-card-game-for-two)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-chocolate v0.1.0 (/opt/rustwide/workdir/easy100/b-chocolate)` has the same output filename as the bin target `main` in package `b-card-game-for-two v0.1.0 (/opt/rustwide/workdir/easy100/b-card-game-for-two)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-coins v0.1.0 (/opt/rustwide/workdir/easy100/b-coins)` has the same output filename as the bin target `main` in package `b-chocolate v0.1.0 (/opt/rustwide/workdir/easy100/b-chocolate)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-coins v0.1.0 (/opt/rustwide/workdir/easy100/b-coins)` has the same output filename as the bin target `main` in package `b-chocolate v0.1.0 (/opt/rustwide/workdir/easy100/b-chocolate)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-collatz-problem v0.1.0 (/opt/rustwide/workdir/easy100/b-collatz-problem)` has the same output filename as the bin target `main` in package `b-coins v0.1.0 (/opt/rustwide/workdir/easy100/b-coins)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-collatz-problem v0.1.0 (/opt/rustwide/workdir/easy100/b-collatz-problem)` has the same output filename as the bin target `main` in package `b-coins v0.1.0 (/opt/rustwide/workdir/easy100/b-coins)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-collecting-balls-easy-version v0.1.0 (/opt/rustwide/workdir/easy100/b-collecting-balls-easy-version)` has the same output filename as the bin target `main` in package `b-collatz-problem v0.1.0 (/opt/rustwide/workdir/easy100/b-collatz-problem)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-collecting-balls-easy-version v0.1.0 (/opt/rustwide/workdir/easy100/b-collecting-balls-easy-version)` has the same output filename as the bin target `main` in package `b-collatz-problem v0.1.0 (/opt/rustwide/workdir/easy100/b-collatz-problem)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-comparison v0.1.0 (/opt/rustwide/workdir/easy100/b-comparison)` has the same output filename as the bin target `main` in package `b-collecting-balls-easy-version v0.1.0 (/opt/rustwide/workdir/easy100/b-collecting-balls-easy-version)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-comparison v0.1.0 (/opt/rustwide/workdir/easy100/b-comparison)` has the same output filename as the bin target `main` in package `b-collecting-balls-easy-version v0.1.0 (/opt/rustwide/workdir/easy100/b-collecting-balls-easy-version)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-contest-with-drinks-easy v0.1.0 (/opt/rustwide/workdir/easy100/b-contest-with-drinks-easy)` has the same output filename as the bin target `main` in package `b-comparison v0.1.0 (/opt/rustwide/workdir/easy100/b-comparison)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-contest-with-drinks-easy v0.1.0 (/opt/rustwide/workdir/easy100/b-contest-with-drinks-easy)` has the same output filename as the bin target `main` in package `b-comparison v0.1.0 (/opt/rustwide/workdir/easy100/b-comparison)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-count-ball v0.1.0 (/opt/rustwide/workdir/easy100/b-count-ball)` has the same output filename as the bin target `main` in package `b-contest-with-drinks-easy v0.1.0 (/opt/rustwide/workdir/easy100/b-contest-with-drinks-easy)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-count-ball v0.1.0 (/opt/rustwide/workdir/easy100/b-count-ball)` has the same output filename as the bin target `main` in package `b-contest-with-drinks-easy v0.1.0 (/opt/rustwide/workdir/easy100/b-contest-with-drinks-easy)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-counting-roads v0.1.0 (/opt/rustwide/workdir/easy100/b-counting-roads)` has the same output filename as the bin target `main` in package `b-count-ball v0.1.0 (/opt/rustwide/workdir/easy100/b-count-ball)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-counting-roads v0.1.0 (/opt/rustwide/workdir/easy100/b-counting-roads)` has the same output filename as the bin target `main` in package `b-count-ball v0.1.0 (/opt/rustwide/workdir/easy100/b-count-ball)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-exponential v0.1.0 (/opt/rustwide/workdir/easy100/b-exponential)` has the same output filename as the bin target `main` in package `b-counting-roads v0.1.0 (/opt/rustwide/workdir/easy100/b-counting-roads)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-exponential v0.1.0 (/opt/rustwide/workdir/easy100/b-exponential)` has the same output filename as the bin target `main` in package `b-counting-roads v0.1.0 (/opt/rustwide/workdir/easy100/b-counting-roads)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-five-dishes v0.1.0 (/opt/rustwide/workdir/easy100/b-five-dishes)` has the same output filename as the bin target `main` in package `b-exponential v0.1.0 (/opt/rustwide/workdir/easy100/b-exponential)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-five-dishes v0.1.0 (/opt/rustwide/workdir/easy100/b-five-dishes)` has the same output filename as the bin target `main` in package `b-exponential v0.1.0 (/opt/rustwide/workdir/easy100/b-exponential)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-foods-loved-by-everyone v0.1.0 (/opt/rustwide/workdir/easy100/b-foods-loved-by-everyone)` has the same output filename as the bin target `main` in package `b-five-dishes v0.1.0 (/opt/rustwide/workdir/easy100/b-five-dishes)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-foods-loved-by-everyone v0.1.0 (/opt/rustwide/workdir/easy100/b-foods-loved-by-everyone)` has the same output filename as the bin target `main` in package `b-five-dishes v0.1.0 (/opt/rustwide/workdir/easy100/b-five-dishes)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-good-distance v0.1.0 (/opt/rustwide/workdir/easy100/b-good-distance)` has the same output filename as the bin target `main` in package `b-foods-loved-by-everyone v0.1.0 (/opt/rustwide/workdir/easy100/b-foods-loved-by-everyone)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-good-distance v0.1.0 (/opt/rustwide/workdir/easy100/b-good-distance)` has the same output filename as the bin target `main` in package `b-foods-loved-by-everyone v0.1.0 (/opt/rustwide/workdir/easy100/b-foods-loved-by-everyone)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-guidebook v0.1.0 (/opt/rustwide/workdir/easy100/b-guidebook)` has the same output filename as the bin target `main` in package `b-good-distance v0.1.0 (/opt/rustwide/workdir/easy100/b-good-distance)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-guidebook v0.1.0 (/opt/rustwide/workdir/easy100/b-guidebook)` has the same output filename as the bin target `main` in package `b-good-distance v0.1.0 (/opt/rustwide/workdir/easy100/b-good-distance)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-increment-decrement v0.1.0 (/opt/rustwide/workdir/easy100/b-increment-decrement)` has the same output filename as the bin target `main` in package `b-guidebook v0.1.0 (/opt/rustwide/workdir/easy100/b-guidebook)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-increment-decrement v0.1.0 (/opt/rustwide/workdir/easy100/b-increment-decrement)` has the same output filename as the bin target `main` in package `b-guidebook v0.1.0 (/opt/rustwide/workdir/easy100/b-guidebook)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-iroha-loves-strings v0.1.0 (/opt/rustwide/workdir/easy100/b-iroha-loves-strings)` has the same output filename as the bin target `main` in package `b-increment-decrement v0.1.0 (/opt/rustwide/workdir/easy100/b-increment-decrement)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-iroha-loves-strings v0.1.0 (/opt/rustwide/workdir/easy100/b-iroha-loves-strings)` has the same output filename as the bin target `main` in package `b-increment-decrement v0.1.0 (/opt/rustwide/workdir/easy100/b-increment-decrement)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-lucas-numbers v0.1.0 (/opt/rustwide/workdir/easy100/b-lucas-numbers)` has the same output filename as the bin target `main` in package `b-iroha-loves-strings v0.1.0 (/opt/rustwide/workdir/easy100/b-iroha-loves-strings)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-lucas-numbers v0.1.0 (/opt/rustwide/workdir/easy100/b-lucas-numbers)` has the same output filename as the bin target `main` in package `b-iroha-loves-strings v0.1.0 (/opt/rustwide/workdir/easy100/b-iroha-loves-strings)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-nice-shopping v0.1.0 (/opt/rustwide/workdir/easy100/b-nice-shopping)` has the same output filename as the bin target `main` in package `b-lucas-numbers v0.1.0 (/opt/rustwide/workdir/easy100/b-lucas-numbers)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-nice-shopping v0.1.0 (/opt/rustwide/workdir/easy100/b-nice-shopping)` has the same output filename as the bin target `main` in package `b-lucas-numbers v0.1.0 (/opt/rustwide/workdir/easy100/b-lucas-numbers)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-not-found v0.1.0 (/opt/rustwide/workdir/easy100/b-not-found)` has the same output filename as the bin target `main` in package `b-nice-shopping v0.1.0 (/opt/rustwide/workdir/easy100/b-nice-shopping)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-not-found v0.1.0 (/opt/rustwide/workdir/easy100/b-not-found)` has the same output filename as the bin target `main` in package `b-nice-shopping v0.1.0 (/opt/rustwide/workdir/easy100/b-nice-shopping)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-palace v0.1.0 (/opt/rustwide/workdir/easy100/b-palace)` has the same output filename as the bin target `main` in package `b-not-found v0.1.0 (/opt/rustwide/workdir/easy100/b-not-found)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-palace v0.1.0 (/opt/rustwide/workdir/easy100/b-palace)` has the same output filename as the bin target `main` in package `b-not-found v0.1.0 (/opt/rustwide/workdir/easy100/b-not-found)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-palindromic-numbers v0.1.0 (/opt/rustwide/workdir/easy100/b-palindromic-numbers)` has the same output filename as the bin target `main` in package `b-palace v0.1.0 (/opt/rustwide/workdir/easy100/b-palace)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-palindromic-numbers v0.1.0 (/opt/rustwide/workdir/easy100/b-palindromic-numbers)` has the same output filename as the bin target `main` in package `b-palace v0.1.0 (/opt/rustwide/workdir/easy100/b-palace)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-picture-frame v0.1.0 (/opt/rustwide/workdir/easy100/b-picture-frame)` has the same output filename as the bin target `main` in package `b-palindromic-numbers v0.1.0 (/opt/rustwide/workdir/easy100/b-palindromic-numbers)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-picture-frame v0.1.0 (/opt/rustwide/workdir/easy100/b-picture-frame)` has the same output filename as the bin target `main` in package `b-palindromic-numbers v0.1.0 (/opt/rustwide/workdir/easy100/b-palindromic-numbers)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-postal-code v0.1.0 (/opt/rustwide/workdir/easy100/b-postal-code)` has the same output filename as the bin target `main` in package `b-picture-frame v0.1.0 (/opt/rustwide/workdir/easy100/b-picture-frame)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-postal-code v0.1.0 (/opt/rustwide/workdir/easy100/b-postal-code)` has the same output filename as the bin target `main` in package `b-picture-frame v0.1.0 (/opt/rustwide/workdir/easy100/b-picture-frame)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-ruined-square v0.1.0 (/opt/rustwide/workdir/easy100/b-ruined-square)` has the same output filename as the bin target `main` in package `b-postal-code v0.1.0 (/opt/rustwide/workdir/easy100/b-postal-code)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-ruined-square v0.1.0 (/opt/rustwide/workdir/easy100/b-ruined-square)` has the same output filename as the bin target `main` in package `b-postal-code v0.1.0 (/opt/rustwide/workdir/easy100/b-postal-code)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-shift-only v0.1.0 (/opt/rustwide/workdir/easy100/b-shift-only)` has the same output filename as the bin target `main` in package `b-ruined-square v0.1.0 (/opt/rustwide/workdir/easy100/b-ruined-square)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-shift-only v0.1.0 (/opt/rustwide/workdir/easy100/b-shift-only)` has the same output filename as the bin target `main` in package `b-ruined-square v0.1.0 (/opt/rustwide/workdir/easy100/b-ruined-square)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-shiritori v0.1.0 (/opt/rustwide/workdir/easy100/b-shiritori)` has the same output filename as the bin target `main` in package `b-shift-only v0.1.0 (/opt/rustwide/workdir/easy100/b-shift-only)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-shiritori v0.1.0 (/opt/rustwide/workdir/easy100/b-shiritori)` has the same output filename as the bin target `main` in package `b-shift-only v0.1.0 (/opt/rustwide/workdir/easy100/b-shift-only)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-small-and-large-integers v0.1.0 (/opt/rustwide/workdir/easy100/b-small-and-large-integers)` has the same output filename as the bin target `main` in package `b-shiritori v0.1.0 (/opt/rustwide/workdir/easy100/b-shiritori)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-small-and-large-integers v0.1.0 (/opt/rustwide/workdir/easy100/b-small-and-large-integers)` has the same output filename as the bin target `main` in package `b-shiritori v0.1.0 (/opt/rustwide/workdir/easy100/b-shiritori)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-some-sums v0.1.0 (/opt/rustwide/workdir/easy100/b-some-sums)` has the same output filename as the bin target `main` in package `b-small-and-large-integers v0.1.0 (/opt/rustwide/workdir/easy100/b-small-and-large-integers)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-some-sums v0.1.0 (/opt/rustwide/workdir/easy100/b-some-sums)` has the same output filename as the bin target `main` in package `b-small-and-large-integers v0.1.0 (/opt/rustwide/workdir/easy100/b-small-and-large-integers)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-string-rotation v0.1.0 (/opt/rustwide/workdir/easy100/b-string-rotation)` has the same output filename as the bin target `main` in package `b-some-sums v0.1.0 (/opt/rustwide/workdir/easy100/b-some-sums)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-string-rotation v0.1.0 (/opt/rustwide/workdir/easy100/b-string-rotation)` has the same output filename as the bin target `main` in package `b-some-sums v0.1.0 (/opt/rustwide/workdir/easy100/b-some-sums)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-tatenaga v0.1.0 (/opt/rustwide/workdir/easy100/b-tatenaga)` has the same output filename as the bin target `main` in package `b-string-rotation v0.1.0 (/opt/rustwide/workdir/easy100/b-string-rotation)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-tatenaga v0.1.0 (/opt/rustwide/workdir/easy100/b-tatenaga)` has the same output filename as the bin target `main` in package `b-string-rotation v0.1.0 (/opt/rustwide/workdir/easy100/b-string-rotation)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-toll-gates v0.1.0 (/opt/rustwide/workdir/easy100/b-toll-gates)` has the same output filename as the bin target `main` in package `b-tatenaga v0.1.0 (/opt/rustwide/workdir/easy100/b-tatenaga)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-toll-gates v0.1.0 (/opt/rustwide/workdir/easy100/b-toll-gates)` has the same output filename as the bin target `main` in package `b-tatenaga v0.1.0 (/opt/rustwide/workdir/easy100/b-tatenaga)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-varied v0.1.0 (/opt/rustwide/workdir/easy100/b-varied)` has the same output filename as the bin target `main` in package `b-toll-gates v0.1.0 (/opt/rustwide/workdir/easy100/b-toll-gates)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-varied v0.1.0 (/opt/rustwide/workdir/easy100/b-varied)` has the same output filename as the bin target `main` in package `b-toll-gates v0.1.0 (/opt/rustwide/workdir/easy100/b-toll-gates)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-100-to-105 v0.1.0 (/opt/rustwide/workdir/easy100/c-100-to-105)` has the same output filename as the bin target `main` in package `b-varied v0.1.0 (/opt/rustwide/workdir/easy100/b-varied)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-100-to-105 v0.1.0 (/opt/rustwide/workdir/easy100/c-100-to-105)` has the same output filename as the bin target `main` in package `b-varied v0.1.0 (/opt/rustwide/workdir/easy100/b-varied)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-alchemist v0.1.0 (/opt/rustwide/workdir/easy100/c-alchemist)` has the same output filename as the bin target `main` in package `c-100-to-105 v0.1.0 (/opt/rustwide/workdir/easy100/c-100-to-105)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-alchemist v0.1.0 (/opt/rustwide/workdir/easy100/c-alchemist)` has the same output filename as the bin target `main` in package `c-100-to-105 v0.1.0 (/opt/rustwide/workdir/easy100/c-100-to-105)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-attack-survival v0.1.0 (/opt/rustwide/workdir/easy100/c-attack-survival)` has the same output filename as the bin target `main` in package `c-alchemist v0.1.0 (/opt/rustwide/workdir/easy100/c-alchemist)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-attack-survival v0.1.0 (/opt/rustwide/workdir/easy100/c-attack-survival)` has the same output filename as the bin target `main` in package `c-alchemist v0.1.0 (/opt/rustwide/workdir/easy100/c-alchemist)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-coloring-colorfully v0.1.0 (/opt/rustwide/workdir/easy100/c-coloring-colorfully)` has the same output filename as the bin target `main` in package `c-attack-survival v0.1.0 (/opt/rustwide/workdir/easy100/c-attack-survival)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-coloring-colorfully v0.1.0 (/opt/rustwide/workdir/easy100/c-coloring-colorfully)` has the same output filename as the bin target `main` in package `c-attack-survival v0.1.0 (/opt/rustwide/workdir/easy100/c-attack-survival)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-count-order v0.1.0 (/opt/rustwide/workdir/easy100/c-count-order)` has the same output filename as the bin target `main` in package `c-coloring-colorfully v0.1.0 (/opt/rustwide/workdir/easy100/c-coloring-colorfully)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-count-order v0.1.0 (/opt/rustwide/workdir/easy100/c-count-order)` has the same output filename as the bin target `main` in package `c-coloring-colorfully v0.1.0 (/opt/rustwide/workdir/easy100/c-coloring-colorfully)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-divide-the-problems v0.1.0 (/opt/rustwide/workdir/easy100/c-divide-the-problems)` has the same output filename as the bin target `main` in package `c-count-order v0.1.0 (/opt/rustwide/workdir/easy100/c-count-order)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-divide-the-problems v0.1.0 (/opt/rustwide/workdir/easy100/c-divide-the-problems)` has the same output filename as the bin target `main` in package `c-count-order v0.1.0 (/opt/rustwide/workdir/easy100/c-count-order)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-exception-handling v0.1.0 (/opt/rustwide/workdir/easy100/c-exception-handling)` has the same output filename as the bin target `main` in package `c-divide-the-problems v0.1.0 (/opt/rustwide/workdir/easy100/c-divide-the-problems)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-exception-handling v0.1.0 (/opt/rustwide/workdir/easy100/c-exception-handling)` has the same output filename as the bin target `main` in package `c-divide-the-problems v0.1.0 (/opt/rustwide/workdir/easy100/c-divide-the-problems)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-go-to-school v0.1.0 (/opt/rustwide/workdir/easy100/c-go-to-school)` has the same output filename as the bin target `main` in package `c-exception-handling v0.1.0 (/opt/rustwide/workdir/easy100/c-exception-handling)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-go-to-school v0.1.0 (/opt/rustwide/workdir/easy100/c-go-to-school)` has the same output filename as the bin target `main` in package `c-exception-handling v0.1.0 (/opt/rustwide/workdir/easy100/c-exception-handling)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-low-elemnts v0.1.0 (/opt/rustwide/workdir/easy100/c-low-elemnts)` has the same output filename as the bin target `main` in package `c-go-to-school v0.1.0 (/opt/rustwide/workdir/easy100/c-go-to-school)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-low-elemnts v0.1.0 (/opt/rustwide/workdir/easy100/c-low-elemnts)` has the same output filename as the bin target `main` in package `c-go-to-school v0.1.0 (/opt/rustwide/workdir/easy100/c-go-to-school)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-lower v0.1.0 (/opt/rustwide/workdir/easy100/c-lower)` has the same output filename as the bin target `main` in package `c-low-elemnts v0.1.0 (/opt/rustwide/workdir/easy100/c-low-elemnts)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-lower v0.1.0 (/opt/rustwide/workdir/easy100/c-lower)` has the same output filename as the bin target `main` in package `c-low-elemnts v0.1.0 (/opt/rustwide/workdir/easy100/c-low-elemnts)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-maximal-value v0.1.0 (/opt/rustwide/workdir/easy100/c-maximal-value)` has the same output filename as the bin target `main` in package `c-lower v0.1.0 (/opt/rustwide/workdir/easy100/c-lower)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-maximal-value v0.1.0 (/opt/rustwide/workdir/easy100/c-maximal-value)` has the same output filename as the bin target `main` in package `c-lower v0.1.0 (/opt/rustwide/workdir/easy100/c-lower)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-next-prime v0.1.0 (/opt/rustwide/workdir/easy100/c-next-prime)` has the same output filename as the bin target `main` in package `c-maximal-value v0.1.0 (/opt/rustwide/workdir/easy100/c-maximal-value)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-next-prime v0.1.0 (/opt/rustwide/workdir/easy100/c-next-prime)` has the same output filename as the bin target `main` in package `c-maximal-value v0.1.0 (/opt/rustwide/workdir/easy100/c-maximal-value)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-poll v0.1.0 (/opt/rustwide/workdir/easy100/c-poll)` has the same output filename as the bin target `main` in package `c-next-prime v0.1.0 (/opt/rustwide/workdir/easy100/c-next-prime)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-poll v0.1.0 (/opt/rustwide/workdir/easy100/c-poll)` has the same output filename as the bin target `main` in package `c-next-prime v0.1.0 (/opt/rustwide/workdir/easy100/c-next-prime)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-prison v0.1.0 (/opt/rustwide/workdir/easy100/c-prison)` has the same output filename as the bin target `main` in package `c-poll v0.1.0 (/opt/rustwide/workdir/easy100/c-poll)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-prison v0.1.0 (/opt/rustwide/workdir/easy100/c-prison)` has the same output filename as the bin target `main` in package `c-poll v0.1.0 (/opt/rustwide/workdir/easy100/c-poll)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-replacing-integer v0.1.0 (/opt/rustwide/workdir/easy100/c-replacing-integer)` has the same output filename as the bin target `main` in package `c-prison v0.1.0 (/opt/rustwide/workdir/easy100/c-prison)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-replacing-integer v0.1.0 (/opt/rustwide/workdir/easy100/c-replacing-integer)` has the same output filename as the bin target `main` in package `c-prison v0.1.0 (/opt/rustwide/workdir/easy100/c-prison)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-tax-increase v0.1.0 (/opt/rustwide/workdir/easy100/c-tax-increase)` has the same output filename as the bin target `main` in package `c-replacing-integer v0.1.0 (/opt/rustwide/workdir/easy100/c-replacing-integer)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-tax-increase v0.1.0 (/opt/rustwide/workdir/easy100/c-tax-increase)` has the same output filename as the bin target `main` in package `c-replacing-integer v0.1.0 (/opt/rustwide/workdir/easy100/c-replacing-integer)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-traveling-salesman-around-lake v0.1.0 (/opt/rustwide/workdir/easy100/c-traveling-salesman-around-lake)` has the same output filename as the bin target `main` in package `c-tax-increase v0.1.0 (/opt/rustwide/workdir/easy100/c-tax-increase)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-traveling-salesman-around-lake v0.1.0 (/opt/rustwide/workdir/easy100/c-traveling-salesman-around-lake)` has the same output filename as the bin target `main` in package `c-tax-increase v0.1.0 (/opt/rustwide/workdir/easy100/c-tax-increase)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `d-brick-break v0.1.0 (/opt/rustwide/workdir/easy100/d-brick-break)` has the same output filename as the bin target `main` in package `c-traveling-salesman-around-lake v0.1.0 (/opt/rustwide/workdir/easy100/c-traveling-salesman-around-lake)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `d-brick-break v0.1.0 (/opt/rustwide/workdir/easy100/d-brick-break)` has the same output filename as the bin target `main` in package `c-traveling-salesman-around-lake v0.1.0 (/opt/rustwide/workdir/easy100/c-traveling-salesman-around-lake)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `d-caracal-vs-monster v0.1.0 (/opt/rustwide/workdir/easy100/d-caracal-vs-monster)` has the same output filename as the bin target `main` in package `d-brick-break v0.1.0 (/opt/rustwide/workdir/easy100/d-brick-break)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `d-caracal-vs-monster v0.1.0 (/opt/rustwide/workdir/easy100/d-caracal-vs-monster)` has the same output filename as the bin target `main` in package `d-brick-break v0.1.0 (/opt/rustwide/workdir/easy100/d-brick-break)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr]    Compiling cli_test_dir v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling b_qualification_simulator v0.1.0 (/opt/rustwide/workdir/easy100/b_qualification_simulator)
[INFO] [stderr]    Compiling c_rally v0.1.0 (/opt/rustwide/workdir/easy100/c_rally)
[INFO] [stderr]    Compiling b_tax_rate v0.1.0 (/opt/rustwide/workdir/easy100/b_tax_rate)
[INFO] [stderr]    Compiling b_can_you_solve_this v0.1.0 (/opt/rustwide/workdir/easy100/b_can_you_solve_this)
[INFO] [stderr]    Compiling b-bishop v0.1.0 (/opt/rustwide/workdir/easy100/b-bishop)
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]  --> easy100/b-tatenaga/src/main.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |         (h, w): (usize,usize),
[INFO] [stdout]   |             ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rounded`
[INFO] [stdout]  --> easy100/c-100-to-105/src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let rounded = x / 100;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rounded`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fraction`
[INFO] [stdout]   --> easy100/c-100-to-105/src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let fraction = x % 100;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fraction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total`
[INFO] [stdout]   --> easy100/c-100-to-105/src/main.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let (result, total) = goods.iter().fold((x, 0), |(acc, total), &g| {
[INFO] [stdout]    |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_total`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]  --> easy100/b-increment-decrement/src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         n: usize,
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> easy100/b_qualification_simulator/src/main.rs:29:10
[INFO] [stdout]    |
[INFO] [stdout] 29 |         (n, a, b): (i32, i32, i32),
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling b-shiritori v0.1.0 (/opt/rustwide/workdir/easy100/b-shiritori)
[INFO] [stderr]    Compiling a-wanna-go-back-home v0.1.0 (/opt/rustwide/workdir/easy100/a-wanna-go-back-home)
[INFO] [stderr]    Compiling b-palace v0.1.0 (/opt/rustwide/workdir/easy100/b-palace)
[INFO] [stderr]    Compiling b-ruined-square v0.1.0 (/opt/rustwide/workdir/easy100/b-ruined-square)
[INFO] [stderr]    Compiling b-some-sums v0.1.0 (/opt/rustwide/workdir/easy100/b-some-sums)
[INFO] [stderr]    Compiling c-divide-the-problems v0.1.0 (/opt/rustwide/workdir/easy100/c-divide-the-problems)
[INFO] [stderr]    Compiling c-poll v0.1.0 (/opt/rustwide/workdir/easy100/c-poll)
[INFO] [stderr]    Compiling b-card-game-for-two v0.1.0 (/opt/rustwide/workdir/easy100/b-card-game-for-two)
[INFO] [stderr]    Compiling b-collatz-problem v0.1.0 (/opt/rustwide/workdir/easy100/b-collatz-problem)
[INFO] [stderr]    Compiling b-comparison v0.1.0 (/opt/rustwide/workdir/easy100/b-comparison)
[INFO] [stderr]    Compiling b-ac-cepted v0.1.0 (/opt/rustwide/workdir/easy100/b-ac-cepted)
[INFO] [stderr]    Compiling d-caracal-vs-monster v0.1.0 (/opt/rustwide/workdir/easy100/d-caracal-vs-monster)
[INFO] [stderr]    Compiling a-cookie-exchanges v0.1.0 (/opt/rustwide/workdir/easy100/a-cookie-exchanges)
[INFO] [stderr]    Compiling b-postal-code v0.1.0 (/opt/rustwide/workdir/easy100/b-postal-code)
[INFO] [stderr]    Compiling b-tatenaga v0.1.0 (/opt/rustwide/workdir/easy100/b-tatenaga)
[INFO] [stderr]    Compiling c-lower v0.1.0 (/opt/rustwide/workdir/easy100/c-lower)
[INFO] [stderr]    Compiling c-low-elemnts v0.1.0 (/opt/rustwide/workdir/easy100/c-low-elemnts)
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]  --> easy100/b-tatenaga/src/main.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |         (h, w): (usize,usize),
[INFO] [stdout]   |             ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling c-traveling-salesman-around-lake v0.1.0 (/opt/rustwide/workdir/easy100/c-traveling-salesman-around-lake)
[INFO] [stderr]    Compiling c-count-order v0.1.0 (/opt/rustwide/workdir/easy100/c-count-order)
[INFO] [stderr]    Compiling b-not-found v0.1.0 (/opt/rustwide/workdir/easy100/b-not-found)
[INFO] [stderr]    Compiling c-attack-survival v0.1.0 (/opt/rustwide/workdir/easy100/c-attack-survival)
[INFO] [stderr]    Compiling b-coins v0.1.0 (/opt/rustwide/workdir/easy100/b-coins)
[INFO] [stderr]    Compiling b-atcoder v0.1.0 (/opt/rustwide/workdir/easy100/b-atcoder)
[INFO] [stderr]    Compiling b-because-therefore-because v0.1.0 (/opt/rustwide/workdir/easy100/b-because-therefore-because)
[INFO] [stderr]    Compiling b-lucas-numbers v0.1.0 (/opt/rustwide/workdir/easy100/b-lucas-numbers)
[INFO] [stderr]    Compiling b-bigo v0.1.0 (/opt/rustwide/workdir/easy100/b-bigo)
[INFO] [stderr]    Compiling a-dividing-a-string v0.1.0 (/opt/rustwide/workdir/easy100/a-dividing-a-string)
[INFO] [stderr]    Compiling c-100-to-105 v0.1.0 (/opt/rustwide/workdir/easy100/c-100-to-105)
[INFO] [stderr]    Compiling c-go-to-school v0.1.0 (/opt/rustwide/workdir/easy100/c-go-to-school)
[INFO] [stderr]    Compiling b-break-number v0.1.0 (/opt/rustwide/workdir/easy100/b-break-number)
[INFO] [stderr]    Compiling b-chocolate v0.1.0 (/opt/rustwide/workdir/easy100/b-chocolate)
[INFO] [stderr]    Compiling a-range-product v0.1.0 (/opt/rustwide/workdir/easy100/a-range-product)
[INFO] [stderr]    Compiling b-shift-only v0.1.0 (/opt/rustwide/workdir/easy100/b-shift-only)
[INFO] [stderr]    Compiling b-121 v0.1.0 (/opt/rustwide/workdir/easy100/b-121)
[INFO] [stderr]    Compiling c-prison v0.1.0 (/opt/rustwide/workdir/easy100/c-prison)
[INFO] [stderr]    Compiling c-exception-handling v0.1.0 (/opt/rustwide/workdir/easy100/c-exception-handling)
[INFO] [stderr]    Compiling b-toll-gates v0.1.0 (/opt/rustwide/workdir/easy100/b-toll-gates)
[INFO] [stderr]    Compiling b-contest-with-drinks-easy v0.1.0 (/opt/rustwide/workdir/easy100/b-contest-with-drinks-easy)
[INFO] [stderr]    Compiling b-palindromic-numbers v0.1.0 (/opt/rustwide/workdir/easy100/b-palindromic-numbers)
[INFO] [stderr]    Compiling b-exponential v0.1.0 (/opt/rustwide/workdir/easy100/b-exponential)
[INFO] [stderr]    Compiling b-increment-decrement v0.1.0 (/opt/rustwide/workdir/easy100/b-increment-decrement)
[INFO] [stderr]    Compiling b-a-to-z-string v0.1.0 (/opt/rustwide/workdir/easy100/b-a-to-z-string)
[INFO] [stderr]    Compiling b-nice-shopping v0.1.0 (/opt/rustwide/workdir/easy100/b-nice-shopping)
[INFO] [stderr]    Compiling b-foods-loved-by-everyone v0.1.0 (/opt/rustwide/workdir/easy100/b-foods-loved-by-everyone)
[INFO] [stderr]    Compiling c-alchemist v0.1.0 (/opt/rustwide/workdir/easy100/c-alchemist)
[INFO] [stderr]    Compiling c-maximal-value v0.1.0 (/opt/rustwide/workdir/easy100/c-maximal-value)
[INFO] [stderr]    Compiling c-next-prime v0.1.0 (/opt/rustwide/workdir/easy100/c-next-prime)
[INFO] [stderr]    Compiling b-good-distance v0.1.0 (/opt/rustwide/workdir/easy100/b-good-distance)
[INFO] [stderr]    Compiling b-754 v0.1.0 (/opt/rustwide/workdir/easy100/b-754)
[INFO] [stderr]    Compiling c-coloring-colorfully v0.1.0 (/opt/rustwide/workdir/easy100/c-coloring-colorfully)
[INFO] [stderr]    Compiling b-small-and-large-integers v0.1.0 (/opt/rustwide/workdir/easy100/b-small-and-large-integers)
[INFO] [stderr]    Compiling b-picture-frame v0.1.0 (/opt/rustwide/workdir/easy100/b-picture-frame)
[INFO] [stderr]    Compiling a-candy-distribution-agein v0.1.0 (/opt/rustwide/workdir/easy100/a-candy-distribution-agein)
[INFO] [stderr]    Compiling b-guidebook v0.1.0 (/opt/rustwide/workdir/easy100/b-guidebook)
[INFO] [stderr]    Compiling a-fairness v0.1.0 (/opt/rustwide/workdir/easy100/a-fairness)
[INFO] [stderr]    Compiling b-collecting-balls-easy-version v0.1.0 (/opt/rustwide/workdir/easy100/b-collecting-balls-easy-version)
[INFO] [stderr]    Compiling a-digit-sum-2 v0.1.0 (/opt/rustwide/workdir/easy100/a-digit-sum-2)
[INFO] [stderr]    Compiling b-string-rotation v0.1.0 (/opt/rustwide/workdir/easy100/b-string-rotation)
[INFO] [stderr]    Compiling b-counting-roads v0.1.0 (/opt/rustwide/workdir/easy100/b-counting-roads)
[INFO] [stderr]    Compiling b-varied v0.1.0 (/opt/rustwide/workdir/easy100/b-varied)
[INFO] [stderr]    Compiling c-replacing-integer v0.1.0 (/opt/rustwide/workdir/easy100/c-replacing-integer)
[INFO] [stderr]    Compiling b-five-dishes v0.1.0 (/opt/rustwide/workdir/easy100/b-five-dishes)
[INFO] [stderr]    Compiling d-brick-break v0.1.0 (/opt/rustwide/workdir/easy100/d-brick-break)
[INFO] [stderr]    Compiling b-beautiful-strings v0.1.0 (/opt/rustwide/workdir/easy100/b-beautiful-strings)
[INFO] [stdout] warning: unused variable: `rounded`
[INFO] [stdout]  --> easy100/c-100-to-105/src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let rounded = x / 100;
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rounded`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fraction`
[INFO] [stdout]   --> easy100/c-100-to-105/src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let fraction = x % 100;
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fraction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `total`
[INFO] [stdout]   --> easy100/c-100-to-105/src/main.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let (result, total) = goods.iter().fold((x, 0), |(acc, total), &g| {
[INFO] [stdout]    |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_total`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]  --> easy100/b-increment-decrement/src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         n: usize,
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling c-tax-increase v0.1.0 (/opt/rustwide/workdir/easy100/c-tax-increase)
[INFO] [stderr]    Compiling b-count-ball v0.1.0 (/opt/rustwide/workdir/easy100/b-count-ball)
[INFO] [stderr]    Compiling b-iroha-loves-strings v0.1.0 (/opt/rustwide/workdir/easy100/b-iroha-loves-strings)
[INFO] [stderr]    Compiling parameterized-macro v1.0.1
[INFO] [stderr]    Compiling parameterized v1.0.1
[INFO] [stderr]    Compiling b_power_socket v0.1.0 (/opt/rustwide/workdir/easy100/b_power_socket)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 13.50s
[INFO] running `Command { std: "docker" "inspect" "b3dd4c6ec0159d0b1db25281ef629f480a178d6b24dac11aac34424884635a41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3dd4c6ec0159d0b1db25281ef629f480a178d6b24dac11aac34424884635a41", kill_on_drop: false }`
[INFO] [stdout] b3dd4c6ec0159d0b1db25281ef629f480a178d6b24dac11aac34424884635a41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 117182990f53ed6be638bf6e612cd626863e5152b2321e04476cb4d93867b4b1
[INFO] running `Command { std: "docker" "start" "-a" "117182990f53ed6be638bf6e612cd626863e5152b2321e04476cb4d93867b4b1", kill_on_drop: false }`
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `a-cookie-exchanges v0.1.0 (/opt/rustwide/workdir/easy100/a-cookie-exchanges)` has the same output filename as the bin target `main` in package `a-candy-distribution-agein v0.1.0 (/opt/rustwide/workdir/easy100/a-candy-distribution-agein)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `a-cookie-exchanges v0.1.0 (/opt/rustwide/workdir/easy100/a-cookie-exchanges)` has the same output filename as the bin target `main` in package `a-candy-distribution-agein v0.1.0 (/opt/rustwide/workdir/easy100/a-candy-distribution-agein)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `a-digit-sum-2 v0.1.0 (/opt/rustwide/workdir/easy100/a-digit-sum-2)` has the same output filename as the bin target `main` in package `a-cookie-exchanges v0.1.0 (/opt/rustwide/workdir/easy100/a-cookie-exchanges)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `a-digit-sum-2 v0.1.0 (/opt/rustwide/workdir/easy100/a-digit-sum-2)` has the same output filename as the bin target `main` in package `a-cookie-exchanges v0.1.0 (/opt/rustwide/workdir/easy100/a-cookie-exchanges)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `a-dividing-a-string v0.1.0 (/opt/rustwide/workdir/easy100/a-dividing-a-string)` has the same output filename as the bin target `main` in package `a-digit-sum-2 v0.1.0 (/opt/rustwide/workdir/easy100/a-digit-sum-2)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `a-dividing-a-string v0.1.0 (/opt/rustwide/workdir/easy100/a-dividing-a-string)` has the same output filename as the bin target `main` in package `a-digit-sum-2 v0.1.0 (/opt/rustwide/workdir/easy100/a-digit-sum-2)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `a-fairness v0.1.0 (/opt/rustwide/workdir/easy100/a-fairness)` has the same output filename as the bin target `main` in package `a-dividing-a-string v0.1.0 (/opt/rustwide/workdir/easy100/a-dividing-a-string)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `a-fairness v0.1.0 (/opt/rustwide/workdir/easy100/a-fairness)` has the same output filename as the bin target `main` in package `a-dividing-a-string v0.1.0 (/opt/rustwide/workdir/easy100/a-dividing-a-string)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `a-range-product v0.1.0 (/opt/rustwide/workdir/easy100/a-range-product)` has the same output filename as the bin target `main` in package `a-fairness v0.1.0 (/opt/rustwide/workdir/easy100/a-fairness)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `a-range-product v0.1.0 (/opt/rustwide/workdir/easy100/a-range-product)` has the same output filename as the bin target `main` in package `a-fairness v0.1.0 (/opt/rustwide/workdir/easy100/a-fairness)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `a-wanna-go-back-home v0.1.0 (/opt/rustwide/workdir/easy100/a-wanna-go-back-home)` has the same output filename as the bin target `main` in package `a-range-product v0.1.0 (/opt/rustwide/workdir/easy100/a-range-product)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `a-wanna-go-back-home v0.1.0 (/opt/rustwide/workdir/easy100/a-wanna-go-back-home)` has the same output filename as the bin target `main` in package `a-range-product v0.1.0 (/opt/rustwide/workdir/easy100/a-range-product)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-121 v0.1.0 (/opt/rustwide/workdir/easy100/b-121)` has the same output filename as the bin target `main` in package `a-wanna-go-back-home v0.1.0 (/opt/rustwide/workdir/easy100/a-wanna-go-back-home)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-121 v0.1.0 (/opt/rustwide/workdir/easy100/b-121)` has the same output filename as the bin target `main` in package `a-wanna-go-back-home v0.1.0 (/opt/rustwide/workdir/easy100/a-wanna-go-back-home)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-754 v0.1.0 (/opt/rustwide/workdir/easy100/b-754)` has the same output filename as the bin target `main` in package `b-121 v0.1.0 (/opt/rustwide/workdir/easy100/b-121)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-754 v0.1.0 (/opt/rustwide/workdir/easy100/b-754)` has the same output filename as the bin target `main` in package `b-121 v0.1.0 (/opt/rustwide/workdir/easy100/b-121)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-a-to-z-string v0.1.0 (/opt/rustwide/workdir/easy100/b-a-to-z-string)` has the same output filename as the bin target `main` in package `b-754 v0.1.0 (/opt/rustwide/workdir/easy100/b-754)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-a-to-z-string v0.1.0 (/opt/rustwide/workdir/easy100/b-a-to-z-string)` has the same output filename as the bin target `main` in package `b-754 v0.1.0 (/opt/rustwide/workdir/easy100/b-754)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-ac-cepted v0.1.0 (/opt/rustwide/workdir/easy100/b-ac-cepted)` has the same output filename as the bin target `main` in package `b-a-to-z-string v0.1.0 (/opt/rustwide/workdir/easy100/b-a-to-z-string)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-ac-cepted v0.1.0 (/opt/rustwide/workdir/easy100/b-ac-cepted)` has the same output filename as the bin target `main` in package `b-a-to-z-string v0.1.0 (/opt/rustwide/workdir/easy100/b-a-to-z-string)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-atcoder v0.1.0 (/opt/rustwide/workdir/easy100/b-atcoder)` has the same output filename as the bin target `main` in package `b-ac-cepted v0.1.0 (/opt/rustwide/workdir/easy100/b-ac-cepted)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-atcoder v0.1.0 (/opt/rustwide/workdir/easy100/b-atcoder)` has the same output filename as the bin target `main` in package `b-ac-cepted v0.1.0 (/opt/rustwide/workdir/easy100/b-ac-cepted)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-beautiful-strings v0.1.0 (/opt/rustwide/workdir/easy100/b-beautiful-strings)` has the same output filename as the bin target `main` in package `b-atcoder v0.1.0 (/opt/rustwide/workdir/easy100/b-atcoder)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-beautiful-strings v0.1.0 (/opt/rustwide/workdir/easy100/b-beautiful-strings)` has the same output filename as the bin target `main` in package `b-atcoder v0.1.0 (/opt/rustwide/workdir/easy100/b-atcoder)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-because-therefore-because v0.1.0 (/opt/rustwide/workdir/easy100/b-because-therefore-because)` has the same output filename as the bin target `main` in package `b-beautiful-strings v0.1.0 (/opt/rustwide/workdir/easy100/b-beautiful-strings)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-because-therefore-because v0.1.0 (/opt/rustwide/workdir/easy100/b-because-therefore-because)` has the same output filename as the bin target `main` in package `b-beautiful-strings v0.1.0 (/opt/rustwide/workdir/easy100/b-beautiful-strings)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-bigo v0.1.0 (/opt/rustwide/workdir/easy100/b-bigo)` has the same output filename as the bin target `main` in package `b-because-therefore-because v0.1.0 (/opt/rustwide/workdir/easy100/b-because-therefore-because)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-bigo v0.1.0 (/opt/rustwide/workdir/easy100/b-bigo)` has the same output filename as the bin target `main` in package `b-because-therefore-because v0.1.0 (/opt/rustwide/workdir/easy100/b-because-therefore-because)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-break-number v0.1.0 (/opt/rustwide/workdir/easy100/b-break-number)` has the same output filename as the bin target `main` in package `b-bigo v0.1.0 (/opt/rustwide/workdir/easy100/b-bigo)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-break-number v0.1.0 (/opt/rustwide/workdir/easy100/b-break-number)` has the same output filename as the bin target `main` in package `b-bigo v0.1.0 (/opt/rustwide/workdir/easy100/b-bigo)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-card-game-for-two v0.1.0 (/opt/rustwide/workdir/easy100/b-card-game-for-two)` has the same output filename as the bin target `main` in package `b-break-number v0.1.0 (/opt/rustwide/workdir/easy100/b-break-number)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-card-game-for-two v0.1.0 (/opt/rustwide/workdir/easy100/b-card-game-for-two)` has the same output filename as the bin target `main` in package `b-break-number v0.1.0 (/opt/rustwide/workdir/easy100/b-break-number)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-chocolate v0.1.0 (/opt/rustwide/workdir/easy100/b-chocolate)` has the same output filename as the bin target `main` in package `b-card-game-for-two v0.1.0 (/opt/rustwide/workdir/easy100/b-card-game-for-two)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-chocolate v0.1.0 (/opt/rustwide/workdir/easy100/b-chocolate)` has the same output filename as the bin target `main` in package `b-card-game-for-two v0.1.0 (/opt/rustwide/workdir/easy100/b-card-game-for-two)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-coins v0.1.0 (/opt/rustwide/workdir/easy100/b-coins)` has the same output filename as the bin target `main` in package `b-chocolate v0.1.0 (/opt/rustwide/workdir/easy100/b-chocolate)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-coins v0.1.0 (/opt/rustwide/workdir/easy100/b-coins)` has the same output filename as the bin target `main` in package `b-chocolate v0.1.0 (/opt/rustwide/workdir/easy100/b-chocolate)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-collatz-problem v0.1.0 (/opt/rustwide/workdir/easy100/b-collatz-problem)` has the same output filename as the bin target `main` in package `b-coins v0.1.0 (/opt/rustwide/workdir/easy100/b-coins)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-collatz-problem v0.1.0 (/opt/rustwide/workdir/easy100/b-collatz-problem)` has the same output filename as the bin target `main` in package `b-coins v0.1.0 (/opt/rustwide/workdir/easy100/b-coins)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-collecting-balls-easy-version v0.1.0 (/opt/rustwide/workdir/easy100/b-collecting-balls-easy-version)` has the same output filename as the bin target `main` in package `b-collatz-problem v0.1.0 (/opt/rustwide/workdir/easy100/b-collatz-problem)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-collecting-balls-easy-version v0.1.0 (/opt/rustwide/workdir/easy100/b-collecting-balls-easy-version)` has the same output filename as the bin target `main` in package `b-collatz-problem v0.1.0 (/opt/rustwide/workdir/easy100/b-collatz-problem)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-comparison v0.1.0 (/opt/rustwide/workdir/easy100/b-comparison)` has the same output filename as the bin target `main` in package `b-collecting-balls-easy-version v0.1.0 (/opt/rustwide/workdir/easy100/b-collecting-balls-easy-version)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-comparison v0.1.0 (/opt/rustwide/workdir/easy100/b-comparison)` has the same output filename as the bin target `main` in package `b-collecting-balls-easy-version v0.1.0 (/opt/rustwide/workdir/easy100/b-collecting-balls-easy-version)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-contest-with-drinks-easy v0.1.0 (/opt/rustwide/workdir/easy100/b-contest-with-drinks-easy)` has the same output filename as the bin target `main` in package `b-comparison v0.1.0 (/opt/rustwide/workdir/easy100/b-comparison)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-contest-with-drinks-easy v0.1.0 (/opt/rustwide/workdir/easy100/b-contest-with-drinks-easy)` has the same output filename as the bin target `main` in package `b-comparison v0.1.0 (/opt/rustwide/workdir/easy100/b-comparison)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-count-ball v0.1.0 (/opt/rustwide/workdir/easy100/b-count-ball)` has the same output filename as the bin target `main` in package `b-contest-with-drinks-easy v0.1.0 (/opt/rustwide/workdir/easy100/b-contest-with-drinks-easy)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-count-ball v0.1.0 (/opt/rustwide/workdir/easy100/b-count-ball)` has the same output filename as the bin target `main` in package `b-contest-with-drinks-easy v0.1.0 (/opt/rustwide/workdir/easy100/b-contest-with-drinks-easy)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-counting-roads v0.1.0 (/opt/rustwide/workdir/easy100/b-counting-roads)` has the same output filename as the bin target `main` in package `b-count-ball v0.1.0 (/opt/rustwide/workdir/easy100/b-count-ball)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-counting-roads v0.1.0 (/opt/rustwide/workdir/easy100/b-counting-roads)` has the same output filename as the bin target `main` in package `b-count-ball v0.1.0 (/opt/rustwide/workdir/easy100/b-count-ball)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-exponential v0.1.0 (/opt/rustwide/workdir/easy100/b-exponential)` has the same output filename as the bin target `main` in package `b-counting-roads v0.1.0 (/opt/rustwide/workdir/easy100/b-counting-roads)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-exponential v0.1.0 (/opt/rustwide/workdir/easy100/b-exponential)` has the same output filename as the bin target `main` in package `b-counting-roads v0.1.0 (/opt/rustwide/workdir/easy100/b-counting-roads)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-five-dishes v0.1.0 (/opt/rustwide/workdir/easy100/b-five-dishes)` has the same output filename as the bin target `main` in package `b-exponential v0.1.0 (/opt/rustwide/workdir/easy100/b-exponential)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-five-dishes v0.1.0 (/opt/rustwide/workdir/easy100/b-five-dishes)` has the same output filename as the bin target `main` in package `b-exponential v0.1.0 (/opt/rustwide/workdir/easy100/b-exponential)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-foods-loved-by-everyone v0.1.0 (/opt/rustwide/workdir/easy100/b-foods-loved-by-everyone)` has the same output filename as the bin target `main` in package `b-five-dishes v0.1.0 (/opt/rustwide/workdir/easy100/b-five-dishes)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-foods-loved-by-everyone v0.1.0 (/opt/rustwide/workdir/easy100/b-foods-loved-by-everyone)` has the same output filename as the bin target `main` in package `b-five-dishes v0.1.0 (/opt/rustwide/workdir/easy100/b-five-dishes)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-good-distance v0.1.0 (/opt/rustwide/workdir/easy100/b-good-distance)` has the same output filename as the bin target `main` in package `b-foods-loved-by-everyone v0.1.0 (/opt/rustwide/workdir/easy100/b-foods-loved-by-everyone)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-good-distance v0.1.0 (/opt/rustwide/workdir/easy100/b-good-distance)` has the same output filename as the bin target `main` in package `b-foods-loved-by-everyone v0.1.0 (/opt/rustwide/workdir/easy100/b-foods-loved-by-everyone)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-guidebook v0.1.0 (/opt/rustwide/workdir/easy100/b-guidebook)` has the same output filename as the bin target `main` in package `b-good-distance v0.1.0 (/opt/rustwide/workdir/easy100/b-good-distance)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-guidebook v0.1.0 (/opt/rustwide/workdir/easy100/b-guidebook)` has the same output filename as the bin target `main` in package `b-good-distance v0.1.0 (/opt/rustwide/workdir/easy100/b-good-distance)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-increment-decrement v0.1.0 (/opt/rustwide/workdir/easy100/b-increment-decrement)` has the same output filename as the bin target `main` in package `b-guidebook v0.1.0 (/opt/rustwide/workdir/easy100/b-guidebook)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-increment-decrement v0.1.0 (/opt/rustwide/workdir/easy100/b-increment-decrement)` has the same output filename as the bin target `main` in package `b-guidebook v0.1.0 (/opt/rustwide/workdir/easy100/b-guidebook)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-iroha-loves-strings v0.1.0 (/opt/rustwide/workdir/easy100/b-iroha-loves-strings)` has the same output filename as the bin target `main` in package `b-increment-decrement v0.1.0 (/opt/rustwide/workdir/easy100/b-increment-decrement)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-iroha-loves-strings v0.1.0 (/opt/rustwide/workdir/easy100/b-iroha-loves-strings)` has the same output filename as the bin target `main` in package `b-increment-decrement v0.1.0 (/opt/rustwide/workdir/easy100/b-increment-decrement)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-lucas-numbers v0.1.0 (/opt/rustwide/workdir/easy100/b-lucas-numbers)` has the same output filename as the bin target `main` in package `b-iroha-loves-strings v0.1.0 (/opt/rustwide/workdir/easy100/b-iroha-loves-strings)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-lucas-numbers v0.1.0 (/opt/rustwide/workdir/easy100/b-lucas-numbers)` has the same output filename as the bin target `main` in package `b-iroha-loves-strings v0.1.0 (/opt/rustwide/workdir/easy100/b-iroha-loves-strings)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-nice-shopping v0.1.0 (/opt/rustwide/workdir/easy100/b-nice-shopping)` has the same output filename as the bin target `main` in package `b-lucas-numbers v0.1.0 (/opt/rustwide/workdir/easy100/b-lucas-numbers)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-nice-shopping v0.1.0 (/opt/rustwide/workdir/easy100/b-nice-shopping)` has the same output filename as the bin target `main` in package `b-lucas-numbers v0.1.0 (/opt/rustwide/workdir/easy100/b-lucas-numbers)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-not-found v0.1.0 (/opt/rustwide/workdir/easy100/b-not-found)` has the same output filename as the bin target `main` in package `b-nice-shopping v0.1.0 (/opt/rustwide/workdir/easy100/b-nice-shopping)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-not-found v0.1.0 (/opt/rustwide/workdir/easy100/b-not-found)` has the same output filename as the bin target `main` in package `b-nice-shopping v0.1.0 (/opt/rustwide/workdir/easy100/b-nice-shopping)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-palace v0.1.0 (/opt/rustwide/workdir/easy100/b-palace)` has the same output filename as the bin target `main` in package `b-not-found v0.1.0 (/opt/rustwide/workdir/easy100/b-not-found)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-palace v0.1.0 (/opt/rustwide/workdir/easy100/b-palace)` has the same output filename as the bin target `main` in package `b-not-found v0.1.0 (/opt/rustwide/workdir/easy100/b-not-found)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-palindromic-numbers v0.1.0 (/opt/rustwide/workdir/easy100/b-palindromic-numbers)` has the same output filename as the bin target `main` in package `b-palace v0.1.0 (/opt/rustwide/workdir/easy100/b-palace)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-palindromic-numbers v0.1.0 (/opt/rustwide/workdir/easy100/b-palindromic-numbers)` has the same output filename as the bin target `main` in package `b-palace v0.1.0 (/opt/rustwide/workdir/easy100/b-palace)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-picture-frame v0.1.0 (/opt/rustwide/workdir/easy100/b-picture-frame)` has the same output filename as the bin target `main` in package `b-palindromic-numbers v0.1.0 (/opt/rustwide/workdir/easy100/b-palindromic-numbers)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-picture-frame v0.1.0 (/opt/rustwide/workdir/easy100/b-picture-frame)` has the same output filename as the bin target `main` in package `b-palindromic-numbers v0.1.0 (/opt/rustwide/workdir/easy100/b-palindromic-numbers)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-postal-code v0.1.0 (/opt/rustwide/workdir/easy100/b-postal-code)` has the same output filename as the bin target `main` in package `b-picture-frame v0.1.0 (/opt/rustwide/workdir/easy100/b-picture-frame)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-postal-code v0.1.0 (/opt/rustwide/workdir/easy100/b-postal-code)` has the same output filename as the bin target `main` in package `b-picture-frame v0.1.0 (/opt/rustwide/workdir/easy100/b-picture-frame)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-ruined-square v0.1.0 (/opt/rustwide/workdir/easy100/b-ruined-square)` has the same output filename as the bin target `main` in package `b-postal-code v0.1.0 (/opt/rustwide/workdir/easy100/b-postal-code)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-ruined-square v0.1.0 (/opt/rustwide/workdir/easy100/b-ruined-square)` has the same output filename as the bin target `main` in package `b-postal-code v0.1.0 (/opt/rustwide/workdir/easy100/b-postal-code)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-shift-only v0.1.0 (/opt/rustwide/workdir/easy100/b-shift-only)` has the same output filename as the bin target `main` in package `b-ruined-square v0.1.0 (/opt/rustwide/workdir/easy100/b-ruined-square)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-shift-only v0.1.0 (/opt/rustwide/workdir/easy100/b-shift-only)` has the same output filename as the bin target `main` in package `b-ruined-square v0.1.0 (/opt/rustwide/workdir/easy100/b-ruined-square)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-shiritori v0.1.0 (/opt/rustwide/workdir/easy100/b-shiritori)` has the same output filename as the bin target `main` in package `b-shift-only v0.1.0 (/opt/rustwide/workdir/easy100/b-shift-only)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-shiritori v0.1.0 (/opt/rustwide/workdir/easy100/b-shiritori)` has the same output filename as the bin target `main` in package `b-shift-only v0.1.0 (/opt/rustwide/workdir/easy100/b-shift-only)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-small-and-large-integers v0.1.0 (/opt/rustwide/workdir/easy100/b-small-and-large-integers)` has the same output filename as the bin target `main` in package `b-shiritori v0.1.0 (/opt/rustwide/workdir/easy100/b-shiritori)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-small-and-large-integers v0.1.0 (/opt/rustwide/workdir/easy100/b-small-and-large-integers)` has the same output filename as the bin target `main` in package `b-shiritori v0.1.0 (/opt/rustwide/workdir/easy100/b-shiritori)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-some-sums v0.1.0 (/opt/rustwide/workdir/easy100/b-some-sums)` has the same output filename as the bin target `main` in package `b-small-and-large-integers v0.1.0 (/opt/rustwide/workdir/easy100/b-small-and-large-integers)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-some-sums v0.1.0 (/opt/rustwide/workdir/easy100/b-some-sums)` has the same output filename as the bin target `main` in package `b-small-and-large-integers v0.1.0 (/opt/rustwide/workdir/easy100/b-small-and-large-integers)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-string-rotation v0.1.0 (/opt/rustwide/workdir/easy100/b-string-rotation)` has the same output filename as the bin target `main` in package `b-some-sums v0.1.0 (/opt/rustwide/workdir/easy100/b-some-sums)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-string-rotation v0.1.0 (/opt/rustwide/workdir/easy100/b-string-rotation)` has the same output filename as the bin target `main` in package `b-some-sums v0.1.0 (/opt/rustwide/workdir/easy100/b-some-sums)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-tatenaga v0.1.0 (/opt/rustwide/workdir/easy100/b-tatenaga)` has the same output filename as the bin target `main` in package `b-string-rotation v0.1.0 (/opt/rustwide/workdir/easy100/b-string-rotation)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-tatenaga v0.1.0 (/opt/rustwide/workdir/easy100/b-tatenaga)` has the same output filename as the bin target `main` in package `b-string-rotation v0.1.0 (/opt/rustwide/workdir/easy100/b-string-rotation)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-toll-gates v0.1.0 (/opt/rustwide/workdir/easy100/b-toll-gates)` has the same output filename as the bin target `main` in package `b-tatenaga v0.1.0 (/opt/rustwide/workdir/easy100/b-tatenaga)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-toll-gates v0.1.0 (/opt/rustwide/workdir/easy100/b-toll-gates)` has the same output filename as the bin target `main` in package `b-tatenaga v0.1.0 (/opt/rustwide/workdir/easy100/b-tatenaga)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-varied v0.1.0 (/opt/rustwide/workdir/easy100/b-varied)` has the same output filename as the bin target `main` in package `b-toll-gates v0.1.0 (/opt/rustwide/workdir/easy100/b-toll-gates)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `b-varied v0.1.0 (/opt/rustwide/workdir/easy100/b-varied)` has the same output filename as the bin target `main` in package `b-toll-gates v0.1.0 (/opt/rustwide/workdir/easy100/b-toll-gates)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-100-to-105 v0.1.0 (/opt/rustwide/workdir/easy100/c-100-to-105)` has the same output filename as the bin target `main` in package `b-varied v0.1.0 (/opt/rustwide/workdir/easy100/b-varied)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-100-to-105 v0.1.0 (/opt/rustwide/workdir/easy100/c-100-to-105)` has the same output filename as the bin target `main` in package `b-varied v0.1.0 (/opt/rustwide/workdir/easy100/b-varied)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-alchemist v0.1.0 (/opt/rustwide/workdir/easy100/c-alchemist)` has the same output filename as the bin target `main` in package `c-100-to-105 v0.1.0 (/opt/rustwide/workdir/easy100/c-100-to-105)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-alchemist v0.1.0 (/opt/rustwide/workdir/easy100/c-alchemist)` has the same output filename as the bin target `main` in package `c-100-to-105 v0.1.0 (/opt/rustwide/workdir/easy100/c-100-to-105)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-attack-survival v0.1.0 (/opt/rustwide/workdir/easy100/c-attack-survival)` has the same output filename as the bin target `main` in package `c-alchemist v0.1.0 (/opt/rustwide/workdir/easy100/c-alchemist)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-attack-survival v0.1.0 (/opt/rustwide/workdir/easy100/c-attack-survival)` has the same output filename as the bin target `main` in package `c-alchemist v0.1.0 (/opt/rustwide/workdir/easy100/c-alchemist)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-coloring-colorfully v0.1.0 (/opt/rustwide/workdir/easy100/c-coloring-colorfully)` has the same output filename as the bin target `main` in package `c-attack-survival v0.1.0 (/opt/rustwide/workdir/easy100/c-attack-survival)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-coloring-colorfully v0.1.0 (/opt/rustwide/workdir/easy100/c-coloring-colorfully)` has the same output filename as the bin target `main` in package `c-attack-survival v0.1.0 (/opt/rustwide/workdir/easy100/c-attack-survival)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-count-order v0.1.0 (/opt/rustwide/workdir/easy100/c-count-order)` has the same output filename as the bin target `main` in package `c-coloring-colorfully v0.1.0 (/opt/rustwide/workdir/easy100/c-coloring-colorfully)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-count-order v0.1.0 (/opt/rustwide/workdir/easy100/c-count-order)` has the same output filename as the bin target `main` in package `c-coloring-colorfully v0.1.0 (/opt/rustwide/workdir/easy100/c-coloring-colorfully)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-divide-the-problems v0.1.0 (/opt/rustwide/workdir/easy100/c-divide-the-problems)` has the same output filename as the bin target `main` in package `c-count-order v0.1.0 (/opt/rustwide/workdir/easy100/c-count-order)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-divide-the-problems v0.1.0 (/opt/rustwide/workdir/easy100/c-divide-the-problems)` has the same output filename as the bin target `main` in package `c-count-order v0.1.0 (/opt/rustwide/workdir/easy100/c-count-order)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-exception-handling v0.1.0 (/opt/rustwide/workdir/easy100/c-exception-handling)` has the same output filename as the bin target `main` in package `c-divide-the-problems v0.1.0 (/opt/rustwide/workdir/easy100/c-divide-the-problems)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-exception-handling v0.1.0 (/opt/rustwide/workdir/easy100/c-exception-handling)` has the same output filename as the bin target `main` in package `c-divide-the-problems v0.1.0 (/opt/rustwide/workdir/easy100/c-divide-the-problems)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-go-to-school v0.1.0 (/opt/rustwide/workdir/easy100/c-go-to-school)` has the same output filename as the bin target `main` in package `c-exception-handling v0.1.0 (/opt/rustwide/workdir/easy100/c-exception-handling)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-go-to-school v0.1.0 (/opt/rustwide/workdir/easy100/c-go-to-school)` has the same output filename as the bin target `main` in package `c-exception-handling v0.1.0 (/opt/rustwide/workdir/easy100/c-exception-handling)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-low-elemnts v0.1.0 (/opt/rustwide/workdir/easy100/c-low-elemnts)` has the same output filename as the bin target `main` in package `c-go-to-school v0.1.0 (/opt/rustwide/workdir/easy100/c-go-to-school)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-low-elemnts v0.1.0 (/opt/rustwide/workdir/easy100/c-low-elemnts)` has the same output filename as the bin target `main` in package `c-go-to-school v0.1.0 (/opt/rustwide/workdir/easy100/c-go-to-school)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-lower v0.1.0 (/opt/rustwide/workdir/easy100/c-lower)` has the same output filename as the bin target `main` in package `c-low-elemnts v0.1.0 (/opt/rustwide/workdir/easy100/c-low-elemnts)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-lower v0.1.0 (/opt/rustwide/workdir/easy100/c-lower)` has the same output filename as the bin target `main` in package `c-low-elemnts v0.1.0 (/opt/rustwide/workdir/easy100/c-low-elemnts)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-maximal-value v0.1.0 (/opt/rustwide/workdir/easy100/c-maximal-value)` has the same output filename as the bin target `main` in package `c-lower v0.1.0 (/opt/rustwide/workdir/easy100/c-lower)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-maximal-value v0.1.0 (/opt/rustwide/workdir/easy100/c-maximal-value)` has the same output filename as the bin target `main` in package `c-lower v0.1.0 (/opt/rustwide/workdir/easy100/c-lower)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-next-prime v0.1.0 (/opt/rustwide/workdir/easy100/c-next-prime)` has the same output filename as the bin target `main` in package `c-maximal-value v0.1.0 (/opt/rustwide/workdir/easy100/c-maximal-value)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-next-prime v0.1.0 (/opt/rustwide/workdir/easy100/c-next-prime)` has the same output filename as the bin target `main` in package `c-maximal-value v0.1.0 (/opt/rustwide/workdir/easy100/c-maximal-value)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-poll v0.1.0 (/opt/rustwide/workdir/easy100/c-poll)` has the same output filename as the bin target `main` in package `c-next-prime v0.1.0 (/opt/rustwide/workdir/easy100/c-next-prime)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-poll v0.1.0 (/opt/rustwide/workdir/easy100/c-poll)` has the same output filename as the bin target `main` in package `c-next-prime v0.1.0 (/opt/rustwide/workdir/easy100/c-next-prime)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-prison v0.1.0 (/opt/rustwide/workdir/easy100/c-prison)` has the same output filename as the bin target `main` in package `c-poll v0.1.0 (/opt/rustwide/workdir/easy100/c-poll)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-prison v0.1.0 (/opt/rustwide/workdir/easy100/c-prison)` has the same output filename as the bin target `main` in package `c-poll v0.1.0 (/opt/rustwide/workdir/easy100/c-poll)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-replacing-integer v0.1.0 (/opt/rustwide/workdir/easy100/c-replacing-integer)` has the same output filename as the bin target `main` in package `c-prison v0.1.0 (/opt/rustwide/workdir/easy100/c-prison)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-replacing-integer v0.1.0 (/opt/rustwide/workdir/easy100/c-replacing-integer)` has the same output filename as the bin target `main` in package `c-prison v0.1.0 (/opt/rustwide/workdir/easy100/c-prison)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-tax-increase v0.1.0 (/opt/rustwide/workdir/easy100/c-tax-increase)` has the same output filename as the bin target `main` in package `c-replacing-integer v0.1.0 (/opt/rustwide/workdir/easy100/c-replacing-integer)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-tax-increase v0.1.0 (/opt/rustwide/workdir/easy100/c-tax-increase)` has the same output filename as the bin target `main` in package `c-replacing-integer v0.1.0 (/opt/rustwide/workdir/easy100/c-replacing-integer)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-traveling-salesman-around-lake v0.1.0 (/opt/rustwide/workdir/easy100/c-traveling-salesman-around-lake)` has the same output filename as the bin target `main` in package `c-tax-increase v0.1.0 (/opt/rustwide/workdir/easy100/c-tax-increase)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `c-traveling-salesman-around-lake v0.1.0 (/opt/rustwide/workdir/easy100/c-traveling-salesman-around-lake)` has the same output filename as the bin target `main` in package `c-tax-increase v0.1.0 (/opt/rustwide/workdir/easy100/c-tax-increase)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `d-brick-break v0.1.0 (/opt/rustwide/workdir/easy100/d-brick-break)` has the same output filename as the bin target `main` in package `c-traveling-salesman-around-lake v0.1.0 (/opt/rustwide/workdir/easy100/c-traveling-salesman-around-lake)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `d-brick-break v0.1.0 (/opt/rustwide/workdir/easy100/d-brick-break)` has the same output filename as the bin target `main` in package `c-traveling-salesman-around-lake v0.1.0 (/opt/rustwide/workdir/easy100/c-traveling-salesman-around-lake)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `d-caracal-vs-monster v0.1.0 (/opt/rustwide/workdir/easy100/d-caracal-vs-monster)` has the same output filename as the bin target `main` in package `d-brick-break v0.1.0 (/opt/rustwide/workdir/easy100/d-brick-break)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stderr] warning: output filename collision at /opt/rustwide/target/debug/main.dwp
[INFO] [stderr]   |
[INFO] [stderr]   = note: the bin target `main` in package `d-caracal-vs-monster v0.1.0 (/opt/rustwide/workdir/easy100/d-caracal-vs-monster)` has the same output filename as the bin target `main` in package `d-brick-break v0.1.0 (/opt/rustwide/workdir/easy100/d-brick-break)`
[INFO] [stderr]   = note: this may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>
[INFO] [stderr]   = help: consider changing their names to be unique or compiling them separately
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> easy100/b_qualification_simulator/src/main.rs:29:10
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 29 |         (n, a, b): (i32, i32, i32),
[INFO] [stdout] 
[INFO] [stderr]    |          ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] running 4 tests
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 1
[INFO] [stderr] 
[INFO] [stdout] 1
[INFO] [stderr] warning: `b_qualification_simulator` (bin "b_qualification_simulator" test) generated 1 warning (run `cargo fix --bin "b_qualification_simulator" -p b_qualification_simulator --tests` to apply 1 suggestion)
[INFO] [stdout] test sample4 ... FAILED
[INFO] [stderr] warning: unused variable: `rounded`
[INFO] [stdout] test sample1 ... FAILED
[INFO] [stderr]  --> easy100/c-100-to-105/src/main.rs:9:9
[INFO] [stdout] 1
[INFO] [stderr]   |
[INFO] [stdout] test sample2 ... ok
[INFO] [stderr] 9 |     let rounded = x / 100;
[INFO] [stdout] 4
[INFO] [stderr]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rounded`
[INFO] [stdout] test sample3 ... ok
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] failures:
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `fraction`
[INFO] [stdout] ---- sample4 stdout ----
[INFO] [stderr]   --> easy100/c-100-to-105/src/main.rs:10:9
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] thread 'sample4' (29) panicked at easy100/a-candy-distribution-agein/tests/sample_inputs.rs:65:5:
[INFO] [stderr] 10 |     let fraction = x % 100;
[INFO] [stdout] assertion `left == right` failed
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fraction`
[INFO] [stdout]   left: "1\n"
[INFO] [stderr] 
[INFO] [stdout]  right: "0\n"
[INFO] [stderr] warning: unused variable: `total`
[INFO] [stdout] stack backtrace:
[INFO] [stderr]   --> easy100/c-100-to-105/src/main.rs:12:18
[INFO] [stdout]    0:     0x5dca87c69c92 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stderr]    |
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr] 12 |     let (result, total) = goods.iter().fold((x, 0), |(acc, total), &g| {
[INFO] [stdout]    1:     0x5dca87c69c92 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stderr]    |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_total`
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr] 
[INFO] [stdout]    2:     0x5dca87c69c92 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stderr] warning: `c-100-to-105` (bin "main" test) generated 3 warnings (run `cargo fix --bin "main" -p c-100-to-105 --tests` to apply 3 suggestions)
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stdout]    3:     0x5dca87c69c92 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stderr]  --> easy100/b-increment-decrement/src/main.rs:7:9
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]   |
[INFO] [stdout]    4:     0x5dca87c79d3a - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stderr] 7 |         n: usize,
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]   |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    5:     0x5dca87c79d3a - core::fmt::write::h952c506e2dbe9cff
[INFO] [stderr]   |
[INFO] [stdout]    6:     0x5dca87c37596 - std::io::default_write_fmt::hd23bd8145c03a23a
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stderr] 
[INFO] [stdout]    7:     0x5dca87c37596 - std::io::Write::write_fmt::hdd3314a2bd8a34bd
[INFO] [stderr] warning: `b-increment-decrement` (bin "main" test) generated 1 warning (run `cargo fix --bin "main" -p b-increment-decrement --tests` to apply 1 suggestion)
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stderr] warning: unused variable: `w`
[INFO] [stdout]    8:     0x5dca87c48b49 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stderr]  --> easy100/b-tatenaga/src/main.rs:7:13
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]   |
[INFO] [stdout]    9:     0x5dca87c48b49 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stderr] 7 |         (h, w): (usize,usize),
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stderr]   |             ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout]   10:     0x5dca87c489e1 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stderr]   |
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:316:9
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]   11:     0x5dca87c0480e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb2e68dca3970e3ca
[INFO] [stderr] 
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stderr] warning: `b-tatenaga` (bin "main" test) generated 1 warning (run `cargo fix --bin "main" -p b-tatenaga --tests` to apply 1 suggestion)
[INFO] [stdout]   12:     0x5dca87c0480e - test::test_main_with_exit_callback::{{closure}}::ha7ec2063a2565ec3
[INFO] [stderr] warning: `b-tatenaga` (bin "main") generated 1 warning (1 duplicate)
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:145:21
[INFO] [stderr] warning: `c-100-to-105` (bin "main") generated 3 warnings (3 duplicates)
[INFO] [stdout]   13:     0x5dca87c48dc2 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::haebee478d0f56cf4
[INFO] [stderr] warning: `b-increment-decrement` (bin "main") generated 1 warning (1 duplicate)
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stdout]   14:     0x5dca87c48dc2 - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/main-643ccb92d5ee979f)
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:833:13
[INFO] [stderr]      Running tests/sample_inputs.rs (/opt/rustwide/target/debug/deps/sample_inputs-06b98d0f76b7d538)
[INFO] [stdout]   15:     0x5dca87c48c08 - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stderr] error: test failed, to rerun pass `-p a-candy-distribution-agein --test sample_inputs`
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5dca87c43929 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5dca87c2b83d - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5dca87c8106c - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5dca87c80f83 - core::panicking::assert_failed_inner::h5aabe811ef142622
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x5dca87be4935 - core::panicking::assert_failed::h2748f3f992305deb
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x5dca87be0db7 - sample_inputs::sample4::h1b0873c46499c804
[INFO] [stdout]                                at /opt/rustwide/workdir/easy100/a-candy-distribution-agein/tests/sample_inputs.rs:65:5
[INFO] [stdout]   22:     0x5dca87be0e67 - sample_inputs::sample4::{{closure}}::hfdd644689e1ee73d
[INFO] [stdout]                                at /opt/rustwide/workdir/easy100/a-candy-distribution-agein/tests/sample_inputs.rs:54:13
[INFO] [stdout]   23:     0x5dca87be2fa6 - core::ops::function::FnOnce::call_once::h2c771a73727a3e8a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5dca87c0460b - core::ops::function::FnOnce::call_once::hefaf63600cd43d2a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5dca87c0460b - test::__rust_begin_short_backtrace::he30322a73a0e9ea6
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5dca87c17fda - test::run_test_in_process::{{closure}}::hdea3ab8d0243ef36
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5dca87c17fda - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h66d192f42498ffce
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5dca87c17fda - std::panicking::catch_unwind::do_call::h822e18e8d3a6bb65
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5dca87c17fda - std::panicking::catch_unwind::h54b1de7ceab578bf
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5dca87c17fda - std::panic::catch_unwind::h60c29b7a9d0246b1
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5dca87c17fda - test::run_test_in_process::h6099b5f871379b13
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5dca87c17fda - test::run_test::{{closure}}::h926ce0a38281a4c8
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5dca87bf2434 - test::run_test::{{closure}}::h508de21a9afc7140
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5dca87bf2434 - std::sys::backtrace::__rust_begin_short_backtrace::h6e2f5c39ca00735a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5dca87bf5cf2 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::h133e44f0e5802c14
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x5dca87bf5cf2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4718c1285283955c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5dca87bf5cf2 - std::panicking::catch_unwind::do_call::h0bba3937b4892238
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5dca87bf5cf2 - std::panicking::catch_unwind::h5b31cab5fb8c5d7f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5dca87bf5cf2 - std::panic::catch_unwind::hb2fa05d52ed0124e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5dca87bf5cf2 - std::thread::lifecycle::spawn_unchecked::{{closure}}::hf401cf5ff501bd29
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x5dca87bf5cf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h160022e94ce3b0bb
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5dca87c3e9ff - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf234e0d1d1d272ba
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x5dca87c3e9ff - std::sys::thread::unix::Thread::new::thread_start::h106a295241840d3b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   44:     0x7e2647931aa4 - <unknown>
[INFO] [stdout]   45:     0x7e26479bea64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- sample1 stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'sample1' (26) panicked at easy100/a-candy-distribution-agein/tests/sample_inputs.rs:17:5:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: "1\n"
[INFO] [stdout]  right: "2\n"
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5dca87c69c92 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5dca87c69c92 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5dca87c69c92 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5dca87c69c92 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5dca87c79d3a - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5dca87c79d3a - core::fmt::write::h952c506e2dbe9cff
[INFO] [stdout]    6:     0x5dca87c37596 - std::io::default_write_fmt::hd23bd8145c03a23a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5dca87c37596 - std::io::Write::write_fmt::hdd3314a2bd8a34bd
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5dca87c48b49 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5dca87c48b49 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5dca87c489e1 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5dca87c0480e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb2e68dca3970e3ca
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5dca87c0480e - test::test_main_with_exit_callback::{{closure}}::ha7ec2063a2565ec3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5dca87c48dc2 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::haebee478d0f56cf4
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5dca87c48dc2 - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5dca87c48c08 - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5dca87c43929 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5dca87c2b83d - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5dca87c8106c - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5dca87c80f83 - core::panicking::assert_failed_inner::h5aabe811ef142622
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x5dca87be4935 - core::panicking::assert_failed::h2748f3f992305deb
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x5dca87be0637 - sample_inputs::sample1::h48b31ee6d5b533f2
[INFO] [stdout]                                at /opt/rustwide/workdir/easy100/a-candy-distribution-agein/tests/sample_inputs.rs:17:5
[INFO] [stdout]   22:     0x5dca87be06e7 - sample_inputs::sample1::{{closure}}::h38c48efed0822ab2
[INFO] [stdout]                                at /opt/rustwide/workdir/easy100/a-candy-distribution-agein/tests/sample_inputs.rs:6:13
[INFO] [stdout]   23:     0x5dca87be30f6 - core::ops::function::FnOnce::call_once::hd30148e77edf96ec
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5dca87c0460b - core::ops::function::FnOnce::call_once::hefaf63600cd43d2a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5dca87c0460b - test::__rust_begin_short_backtrace::he30322a73a0e9ea6
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x5dca87c17fda - test::run_test_in_process::{{closure}}::hdea3ab8d0243ef36
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x5dca87c17fda - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h66d192f42498ffce
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x5dca87c17fda - std::panicking::catch_unwind::do_call::h822e18e8d3a6bb65
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5dca87c17fda - std::panicking::catch_unwind::h54b1de7ceab578bf
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5dca87c17fda - std::panic::catch_unwind::h60c29b7a9d0246b1
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5dca87c17fda - test::run_test_in_process::h6099b5f871379b13
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x5dca87c17fda - test::run_test::{{closure}}::h926ce0a38281a4c8
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x5dca87bf2434 - test::run_test::{{closure}}::h508de21a9afc7140
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x5dca87bf2434 - std::sys::backtrace::__rust_begin_short_backtrace::h6e2f5c39ca00735a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5dca87bf5cf2 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::h133e44f0e5802c14
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x5dca87bf5cf2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4718c1285283955c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x5dca87bf5cf2 - std::panicking::catch_unwind::do_call::h0bba3937b4892238
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5dca87bf5cf2 - std::panicking::catch_unwind::h5b31cab5fb8c5d7f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5dca87bf5cf2 - std::panic::catch_unwind::hb2fa05d52ed0124e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5dca87bf5cf2 - std::thread::lifecycle::spawn_unchecked::{{closure}}::hf401cf5ff501bd29
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x5dca87bf5cf2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h160022e94ce3b0bb
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5dca87c3e9ff - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf234e0d1d1d272ba
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x5dca87c3e9ff - std::sys::thread::unix::Thread::new::thread_start::h106a295241840d3b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   44:     0x7e2647931aa4 - <unknown>
[INFO] [stdout]   45:     0x7e26479bea64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     sample1
[INFO] [stdout]     sample4
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "117182990f53ed6be638bf6e612cd626863e5152b2321e04476cb4d93867b4b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "117182990f53ed6be638bf6e612cd626863e5152b2321e04476cb4d93867b4b1", kill_on_drop: false }`
[INFO] [stdout] 117182990f53ed6be638bf6e612cd626863e5152b2321e04476cb4d93867b4b1
