[INFO] cloning repository https://github.com/TyPR124/advent-of-code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TyPR124/advent-of-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTyPR124%2Fadvent-of-code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTyPR124%2Fadvent-of-code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c476baf7b1188fca754cc9c07eedbfa5125a6fc
[INFO] testing TyPR124/advent-of-code against 1.69.0 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTyPR124%2Fadvent-of-code" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TyPR124/advent-of-code on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/TyPR124/advent-of-code
[INFO] finished tweaking git repo https://github.com/TyPR124/advent-of-code
[INFO] tweaked toml for git repo https://github.com/TyPR124/advent-of-code written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/TyPR124/advent-of-code 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42e48d55623f0cac36272ec685a57ffedc83e3173e06d39d19b2ca1c56aebc39
[INFO] running `Command { std: "docker" "start" "-a" "42e48d55623f0cac36272ec685a57ffedc83e3173e06d39d19b2ca1c56aebc39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42e48d55623f0cac36272ec685a57ffedc83e3173e06d39d19b2ca1c56aebc39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42e48d55623f0cac36272ec685a57ffedc83e3173e06d39d19b2ca1c56aebc39", kill_on_drop: false }`
[INFO] [stdout] 42e48d55623f0cac36272ec685a57ffedc83e3173e06d39d19b2ca1c56aebc39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e64ed37b5fb05ed90ec4b45aea04b356b78b8d0938a6c1143609feda4474f3b
[INFO] running `Command { std: "docker" "start" "-a" "7e64ed37b5fb05ed90ec4b45aea04b356b78b8d0938a6c1143609feda4474f3b", kill_on_drop: false }`
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `day1` in package `aoc_2019 v0.1.0 (/opt/rustwide/workdir/2019)` has the same output filename as the bin target `day1` in package `aoc_2018 v0.1.0 (/opt/rustwide/workdir/2018)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/day1
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `day1` in package `aoc_2019 v0.1.0 (/opt/rustwide/workdir/2019)` has the same output filename as the bin target `day1` in package `aoc_2018 v0.1.0 (/opt/rustwide/workdir/2018)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/day1.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 `day10` in package `aoc_2019 v0.1.0 (/opt/rustwide/workdir/2019)` has the same output filename as the bin target `day10` in package `aoc_2018 v0.1.0 (/opt/rustwide/workdir/2018)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/day10
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `day10` in package `aoc_2019 v0.1.0 (/opt/rustwide/workdir/2019)` has the same output filename as the bin target `day10` in package `aoc_2018 v0.1.0 (/opt/rustwide/workdir/2018)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/day10.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 `day11` in package `aoc_2019 v0.1.0 (/opt/rustwide/workdir/2019)` has the same output filename as the bin target `day11` in package `aoc_2018 v0.1.0 (/opt/rustwide/workdir/2018)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/day11
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `day11` in package `aoc_2019 v0.1.0 (/opt/rustwide/workdir/2019)` has the same output filename as the bin target `day11` in package `aoc_2018 v0.1.0 (/opt/rustwide/workdir/2018)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/day11.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 `day12` in package `aoc_2019 v0.1.0 (/opt/rustwide/workdir/2019)` has the same output filename as the bin target `day12` in package `aoc_2018 v0.1.0 (/opt/rustwide/workdir/2018)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/day12
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `day12` in package `aoc_2019 v0.1.0 (/opt/rustwide/workdir/2019)` has the same output filename as the bin target `day12` in package `aoc_2018 v0.1.0 (/opt/rustwide/workdir/2018)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/day12.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 `day2` in package `aoc_2019 v0.1.0 (/opt/rustwide/workdir/2019)` has the same output filename as the bin target `day2` in package `aoc_2018 v0.1.0 (/opt/rustwide/workdir/2018)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/day2
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `day2` in package `aoc_2019 v0.1.0 (/opt/rustwide/workdir/2019)` has the same output filename as the bin target `day2` in package `aoc_2018 v0.1.0 (/opt/rustwide/workdir/2018)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/day2.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 `day3` in package `aoc_2019 v0.1.0 (/opt/rustwide/workdir/2019)` has the same output filename as the bin target `day3` in package `aoc_2018 v0.1.0 (/opt/rustwide/workdir/2018)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/day3
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `day3` in package `aoc_2019 v0.1.0 (/opt/rustwide/workdir/2019)` has the same output filename as the bin target `day3` in package `aoc_2018 v0.1.0 (/opt/rustwide/workdir/2018)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/day3.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 `day4` in package `aoc_2019 v0.1.0 (/opt/rustwide/workdir/2019)` has the same output filename as the bin target `day4` in package `aoc_2018 v0.1.0 (/opt/rustwide/workdir/2018)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/day4
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `day4` in package `aoc_2019 v0.1.0 (/opt/rustwide/workdir/2019)` has the same output filename as the bin target `day4` in package `aoc_2018 v0.1.0 (/opt/rustwide/workdir/2018)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/day4.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 `day5` in package `aoc_2019 v0.1.0 (/opt/rustwide/workdir/2019)` has the same output filename as the bin target `day5` in package `aoc_2018 v0.1.0 (/opt/rustwide/workdir/2018)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/day5
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `day5` in package `aoc_2019 v0.1.0 (/opt/rustwide/workdir/2019)` has the same output filename as the bin target `day5` in package `aoc_2018 v0.1.0 (/opt/rustwide/workdir/2018)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/day5.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 `day6` in package `aoc_2019 v0.1.0 (/opt/rustwide/workdir/2019)` has the same output filename as the bin target `day6` in package `aoc_2018 v0.1.0 (/opt/rustwide/workdir/2018)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/day6
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `day6` in package `aoc_2019 v0.1.0 (/opt/rustwide/workdir/2019)` has the same output filename as the bin target `day6` in package `aoc_2018 v0.1.0 (/opt/rustwide/workdir/2018)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/day6.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 `day7` in package `aoc_2019 v0.1.0 (/opt/rustwide/workdir/2019)` has the same output filename as the bin target `day7` in package `aoc_2018 v0.1.0 (/opt/rustwide/workdir/2018)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/day7
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `day7` in package `aoc_2019 v0.1.0 (/opt/rustwide/workdir/2019)` has the same output filename as the bin target `day7` in package `aoc_2018 v0.1.0 (/opt/rustwide/workdir/2018)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/day7.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 `day8` in package `aoc_2019 v0.1.0 (/opt/rustwide/workdir/2019)` has the same output filename as the bin target `day8` in package `aoc_2018 v0.1.0 (/opt/rustwide/workdir/2018)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/day8
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `day8` in package `aoc_2019 v0.1.0 (/opt/rustwide/workdir/2019)` has the same output filename as the bin target `day8` in package `aoc_2018 v0.1.0 (/opt/rustwide/workdir/2018)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/day8.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 `day9` in package `aoc_2019 v0.1.0 (/opt/rustwide/workdir/2019)` has the same output filename as the bin target `day9` in package `aoc_2018 v0.1.0 (/opt/rustwide/workdir/2018)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/day9
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `day9` in package `aoc_2019 v0.1.0 (/opt/rustwide/workdir/2019)` has the same output filename as the bin target `day9` in package `aoc_2018 v0.1.0 (/opt/rustwide/workdir/2018)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/day9.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 `day1` in package `aoc_2020 v0.1.0 (/opt/rustwide/workdir/2020)` has the same output filename as the bin target `day1` in package `aoc_2019 v0.1.0 (/opt/rustwide/workdir/2019)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/day1
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `day1` in package `aoc_2020 v0.1.0 (/opt/rustwide/workdir/2020)` has the same output filename as the bin target `day1` in package `aoc_2019 v0.1.0 (/opt/rustwide/workdir/2019)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/day1.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 `day2` in package `aoc_2020 v0.1.0 (/opt/rustwide/workdir/2020)` has the same output filename as the bin target `day2` in package `aoc_2019 v0.1.0 (/opt/rustwide/workdir/2019)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/day2
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `day2` in package `aoc_2020 v0.1.0 (/opt/rustwide/workdir/2020)` has the same output filename as the bin target `day2` in package `aoc_2019 v0.1.0 (/opt/rustwide/workdir/2019)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/day2.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 `day3` in package `aoc_2020 v0.1.0 (/opt/rustwide/workdir/2020)` has the same output filename as the bin target `day3` in package `aoc_2019 v0.1.0 (/opt/rustwide/workdir/2019)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/day3
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `day3` in package `aoc_2020 v0.1.0 (/opt/rustwide/workdir/2020)` has the same output filename as the bin target `day3` in package `aoc_2019 v0.1.0 (/opt/rustwide/workdir/2019)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/day3.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 `day4` in package `aoc_2020 v0.1.0 (/opt/rustwide/workdir/2020)` has the same output filename as the bin target `day4` in package `aoc_2019 v0.1.0 (/opt/rustwide/workdir/2019)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/day4
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `day4` in package `aoc_2020 v0.1.0 (/opt/rustwide/workdir/2020)` has the same output filename as the bin target `day4` in package `aoc_2019 v0.1.0 (/opt/rustwide/workdir/2019)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/day4.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 `day5` in package `aoc_2020 v0.1.0 (/opt/rustwide/workdir/2020)` has the same output filename as the bin target `day5` in package `aoc_2019 v0.1.0 (/opt/rustwide/workdir/2019)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/day5
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `day5` in package `aoc_2020 v0.1.0 (/opt/rustwide/workdir/2020)` has the same output filename as the bin target `day5` in package `aoc_2019 v0.1.0 (/opt/rustwide/workdir/2019)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/day5.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 `day6` in package `aoc_2020 v0.1.0 (/opt/rustwide/workdir/2020)` has the same output filename as the bin target `day6` in package `aoc_2019 v0.1.0 (/opt/rustwide/workdir/2019)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/day6
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `day6` in package `aoc_2020 v0.1.0 (/opt/rustwide/workdir/2020)` has the same output filename as the bin target `day6` in package `aoc_2019 v0.1.0 (/opt/rustwide/workdir/2019)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/day6.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 libc v0.2.45
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling aoc_2019 v0.1.0 (/opt/rustwide/workdir/2019)
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling regex-syntax v0.6.4
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling aoc_2020 v0.1.0 (/opt/rustwide/workdir/2020)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> 2019/src/bin/day7/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(step_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc_2019` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7e64ed37b5fb05ed90ec4b45aea04b356b78b8d0938a6c1143609feda4474f3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e64ed37b5fb05ed90ec4b45aea04b356b78b8d0938a6c1143609feda4474f3b", kill_on_drop: false }`
[INFO] [stdout] 7e64ed37b5fb05ed90ec4b45aea04b356b78b8d0938a6c1143609feda4474f3b
