[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 try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[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 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ff09f76d81b07b309d4d220c40df585ffc6dd7e425a578471f36f2d94900dc6
[INFO] running `Command { std: "docker" "start" "-a" "9ff09f76d81b07b309d4d220c40df585ffc6dd7e425a578471f36f2d94900dc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ff09f76d81b07b309d4d220c40df585ffc6dd7e425a578471f36f2d94900dc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ff09f76d81b07b309d4d220c40df585ffc6dd7e425a578471f36f2d94900dc6", kill_on_drop: false }`
[INFO] [stdout] 9ff09f76d81b07b309d4d220c40df585ffc6dd7e425a578471f36f2d94900dc6
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22faf9414e2e90ff7365fd2da9d930365e8df880eb70369004b85cc6b10afa01
[INFO] running `Command { std: "docker" "start" "-a" "22faf9414e2e90ff7365fd2da9d930365e8df880eb70369004b85cc6b10afa01", kill_on_drop: false }`
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[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 matrixmultiply v0.2.4
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling itertools v0.8.2
[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_power_socket v0.1.0 (/opt/rustwide/workdir/easy100/b_power_socket)
[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 quote v0.6.13
[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 b-some-sums v0.1.0 (/opt/rustwide/workdir/easy100/b-some-sums)
[INFO] [stderr]    Compiling b-ac-cepted v0.1.0 (/opt/rustwide/workdir/easy100/b-ac-cepted)
[INFO] [stderr]    Compiling c-count-order v0.1.0 (/opt/rustwide/workdir/easy100/c-count-order)
[INFO] [stderr]    Compiling b-card-game-for-two v0.1.0 (/opt/rustwide/workdir/easy100/b-card-game-for-two)
[INFO] [stderr]    Compiling a-range-product v0.1.0 (/opt/rustwide/workdir/easy100/a-range-product)
[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 c-replacing-integer v0.1.0 (/opt/rustwide/workdir/easy100/c-replacing-integer)
[INFO] [stderr]    Compiling b-contest-with-drinks-easy v0.1.0 (/opt/rustwide/workdir/easy100/b-contest-with-drinks-easy)
[INFO] [stderr]    Compiling c-lower v0.1.0 (/opt/rustwide/workdir/easy100/c-lower)
[INFO] [stderr]    Compiling b-picture-frame v0.1.0 (/opt/rustwide/workdir/easy100/b-picture-frame)
[INFO] [stderr]    Compiling c-poll v0.1.0 (/opt/rustwide/workdir/easy100/c-poll)
[INFO] [stderr]    Compiling c-traveling-salesman-around-lake v0.1.0 (/opt/rustwide/workdir/easy100/c-traveling-salesman-around-lake)
[INFO] [stderr]    Compiling d-brick-break v0.1.0 (/opt/rustwide/workdir/easy100/d-brick-break)
[INFO] [stderr]    Compiling c-prison v0.1.0 (/opt/rustwide/workdir/easy100/c-prison)
[INFO] [stderr]    Compiling b-121 v0.1.0 (/opt/rustwide/workdir/easy100/b-121)
[INFO] [stderr]    Compiling d-caracal-vs-monster v0.1.0 (/opt/rustwide/workdir/easy100/d-caracal-vs-monster)
[INFO] [stderr]    Compiling b-not-found v0.1.0 (/opt/rustwide/workdir/easy100/b-not-found)
[INFO] [stderr]    Compiling b-break-number v0.1.0 (/opt/rustwide/workdir/easy100/b-break-number)
[INFO] [stderr]    Compiling b-iroha-loves-strings v0.1.0 (/opt/rustwide/workdir/easy100/b-iroha-loves-strings)
[INFO] [stderr]    Compiling b-postal-code v0.1.0 (/opt/rustwide/workdir/easy100/b-postal-code)
[INFO] [stderr]    Compiling b-754 v0.1.0 (/opt/rustwide/workdir/easy100/b-754)
[INFO] [stderr]    Compiling b-increment-decrement v0.1.0 (/opt/rustwide/workdir/easy100/b-increment-decrement)
[INFO] [stderr]    Compiling a-fairness v0.1.0 (/opt/rustwide/workdir/easy100/a-fairness)
[INFO] [stderr]    Compiling b-tatenaga v0.1.0 (/opt/rustwide/workdir/easy100/b-tatenaga)
[INFO] [stderr]    Compiling c-alchemist v0.1.0 (/opt/rustwide/workdir/easy100/c-alchemist)
[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: `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-attack-survival v0.1.0 (/opt/rustwide/workdir/easy100/c-attack-survival)
[INFO] [stderr]    Compiling c-exception-handling v0.1.0 (/opt/rustwide/workdir/easy100/c-exception-handling)
[INFO] [stderr]    Compiling c-go-to-school v0.1.0 (/opt/rustwide/workdir/easy100/c-go-to-school)
[INFO] [stderr]    Compiling c-maximal-value v0.1.0 (/opt/rustwide/workdir/easy100/c-maximal-value)
[INFO] [stderr]    Compiling c-tax-increase v0.1.0 (/opt/rustwide/workdir/easy100/c-tax-increase)
[INFO] [stderr]    Compiling b-palace v0.1.0 (/opt/rustwide/workdir/easy100/b-palace)
[INFO] [stderr]    Compiling b-five-dishes v0.1.0 (/opt/rustwide/workdir/easy100/b-five-dishes)
[INFO] [stderr]    Compiling b-guidebook v0.1.0 (/opt/rustwide/workdir/easy100/b-guidebook)
[INFO] [stderr]    Compiling c-coloring-colorfully v0.1.0 (/opt/rustwide/workdir/easy100/c-coloring-colorfully)
[INFO] [stderr]    Compiling c-divide-the-problems v0.1.0 (/opt/rustwide/workdir/easy100/c-divide-the-problems)
[INFO] [stderr]    Compiling b-nice-shopping v0.1.0 (/opt/rustwide/workdir/easy100/b-nice-shopping)
[INFO] [stderr]    Compiling b-string-rotation v0.1.0 (/opt/rustwide/workdir/easy100/b-string-rotation)
[INFO] [stderr]    Compiling b-collecting-balls-easy-version v0.1.0 (/opt/rustwide/workdir/easy100/b-collecting-balls-easy-version)
[INFO] [stderr]    Compiling a-candy-distribution-agein v0.1.0 (/opt/rustwide/workdir/easy100/a-candy-distribution-agein)
[INFO] [stderr]    Compiling b-coins v0.1.0 (/opt/rustwide/workdir/easy100/b-coins)
[INFO] [stderr]    Compiling a-dividing-a-string v0.1.0 (/opt/rustwide/workdir/easy100/a-dividing-a-string)
[INFO] [stderr]    Compiling b-small-and-large-integers v0.1.0 (/opt/rustwide/workdir/easy100/b-small-and-large-integers)
[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-comparison v0.1.0 (/opt/rustwide/workdir/easy100/b-comparison)
[INFO] [stderr]    Compiling b-palindromic-numbers v0.1.0 (/opt/rustwide/workdir/easy100/b-palindromic-numbers)
[INFO] [stderr]    Compiling b-good-distance v0.1.0 (/opt/rustwide/workdir/easy100/b-good-distance)
[INFO] [stderr]    Compiling b-chocolate v0.1.0 (/opt/rustwide/workdir/easy100/b-chocolate)
[INFO] [stderr]    Compiling b-shift-only v0.1.0 (/opt/rustwide/workdir/easy100/b-shift-only)
[INFO] [stderr]    Compiling b-atcoder v0.1.0 (/opt/rustwide/workdir/easy100/b-atcoder)
[INFO] [stderr]    Compiling b-bigo v0.1.0 (/opt/rustwide/workdir/easy100/b-bigo)
[INFO] [stderr]    Compiling b-foods-loved-by-everyone v0.1.0 (/opt/rustwide/workdir/easy100/b-foods-loved-by-everyone)
[INFO] [stderr]    Compiling b-toll-gates v0.1.0 (/opt/rustwide/workdir/easy100/b-toll-gates)
[INFO] [stderr]    Compiling b-varied v0.1.0 (/opt/rustwide/workdir/easy100/b-varied)
[INFO] [stderr]    Compiling b-exponential v0.1.0 (/opt/rustwide/workdir/easy100/b-exponential)
[INFO] [stderr]    Compiling c-100-to-105 v0.1.0 (/opt/rustwide/workdir/easy100/c-100-to-105)
[INFO] [stderr]    Compiling b-counting-roads v0.1.0 (/opt/rustwide/workdir/easy100/b-counting-roads)
[INFO] [stderr]    Compiling a-digit-sum-2 v0.1.0 (/opt/rustwide/workdir/easy100/a-digit-sum-2)
[INFO] [stderr]    Compiling b-collatz-problem v0.1.0 (/opt/rustwide/workdir/easy100/b-collatz-problem)
[INFO] [stderr]    Compiling b-count-ball v0.1.0 (/opt/rustwide/workdir/easy100/b-count-ball)
[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] [stderr]    Compiling b-a-to-z-string v0.1.0 (/opt/rustwide/workdir/easy100/b-a-to-z-string)
[INFO] [stderr]    Compiling a-wanna-go-back-home v0.1.0 (/opt/rustwide/workdir/easy100/a-wanna-go-back-home)
[INFO] [stderr]    Compiling a-cookie-exchanges v0.1.0 (/opt/rustwide/workdir/easy100/a-cookie-exchanges)
[INFO] [stderr]    Compiling b-ruined-square v0.1.0 (/opt/rustwide/workdir/easy100/b-ruined-square)
[INFO] [stderr]    Compiling b-shiritori v0.1.0 (/opt/rustwide/workdir/easy100/b-shiritori)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.89s
[INFO] running `Command { std: "docker" "inspect" "22faf9414e2e90ff7365fd2da9d930365e8df880eb70369004b85cc6b10afa01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22faf9414e2e90ff7365fd2da9d930365e8df880eb70369004b85cc6b10afa01", kill_on_drop: false }`
[INFO] [stdout] 22faf9414e2e90ff7365fd2da9d930365e8df880eb70369004b85cc6b10afa01
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d543c0b158f3bff2a6426a8ff450e4b8d8b1458432381efd5edf06415c273420
[INFO] running `Command { std: "docker" "start" "-a" "d543c0b158f3bff2a6426a8ff450e4b8d8b1458432381efd5edf06415c273420", kill_on_drop: false }`
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] 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] Colliding filename is: /opt/rustwide/target/debug/main.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr]    Compiling cli_test_dir v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling b_tax_rate v0.1.0 (/opt/rustwide/workdir/easy100/b_tax_rate)
[INFO] [stderr]    Compiling c_rally v0.1.0 (/opt/rustwide/workdir/easy100/c_rally)
[INFO] [stderr]    Compiling b_qualification_simulator v0.1.0 (/opt/rustwide/workdir/easy100/b_qualification_simulator)
[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: `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: `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: `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: `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] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.51/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d543c0b158f3bff2a6426a8ff450e4b8d8b1458432381efd5edf06415c273420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d543c0b158f3bff2a6426a8ff450e4b8d8b1458432381efd5edf06415c273420", kill_on_drop: false }`
[INFO] [stdout] d543c0b158f3bff2a6426a8ff450e4b8d8b1458432381efd5edf06415c273420