[INFO] cloning repository https://github.com/k0ur0x/advent_of_code_2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/k0ur0x/advent_of_code_2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk0ur0x%2Fadvent_of_code_2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk0ur0x%2Fadvent_of_code_2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be88e5230de71e36359baacd1d467998514062c6
[INFO] building k0ur0x/advent_of_code_2021 against try#3bbb5242a8064de4ca3af4036745ddf603ddaa85 for pr-101929
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk0ur0x%2Fadvent_of_code_2021" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/k0ur0x/advent_of_code_2021 on toolchain 3bbb5242a8064de4ca3af4036745ddf603ddaa85
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bbb5242a8064de4ca3af4036745ddf603ddaa85" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/k0ur0x/advent_of_code_2021
[INFO] finished tweaking git repo https://github.com/k0ur0x/advent_of_code_2021
[INFO] tweaked toml for git repo https://github.com/k0ur0x/advent_of_code_2021 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/k0ur0x/advent_of_code_2021 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bbb5242a8064de4ca3af4036745ddf603ddaa85" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:e92e462e59ac3446a933540fd361ddeb5362c86f92d432d6a560a917a465022e" "/opt/rustwide/cargo-home/bin/cargo" "+3bbb5242a8064de4ca3af4036745ddf603ddaa85" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f88ffb9064bf0a9d63c4ba63bb51e4b6fca5d85ad6f183eb6f90af0fc35c3c63
[INFO] running `Command { std: "docker" "start" "-a" "f88ffb9064bf0a9d63c4ba63bb51e4b6fca5d85ad6f183eb6f90af0fc35c3c63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f88ffb9064bf0a9d63c4ba63bb51e4b6fca5d85ad6f183eb6f90af0fc35c3c63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f88ffb9064bf0a9d63c4ba63bb51e4b6fca5d85ad6f183eb6f90af0fc35c3c63", kill_on_drop: false }`
[INFO] [stdout] f88ffb9064bf0a9d63c4ba63bb51e4b6fca5d85ad6f183eb6f90af0fc35c3c63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:e92e462e59ac3446a933540fd361ddeb5362c86f92d432d6a560a917a465022e" "/opt/rustwide/cargo-home/bin/cargo" "+3bbb5242a8064de4ca3af4036745ddf603ddaa85" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ac367ce5e08e26ad1adb89f603185f173984e2530afdcd32bfe63bf609713bb
[INFO] running `Command { std: "docker" "start" "-a" "4ac367ce5e08e26ad1adb89f603185f173984e2530afdcd32bfe63bf609713bb", kill_on_drop: false }`
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `part_1` in package `day_02 v0.1.0 (/opt/rustwide/workdir/day_02)` has the same output filename as the bin target `part_1` in package `day_01 v0.1.0 (/opt/rustwide/workdir/day_01)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/part_1
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `part_2` in package `day_02 v0.1.0 (/opt/rustwide/workdir/day_02)` has the same output filename as the bin target `part_2` in package `day_01 v0.1.0 (/opt/rustwide/workdir/day_01)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/part_2
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `part_1` in package `day_03 v0.1.0 (/opt/rustwide/workdir/day_03)` has the same output filename as the bin target `part_1` in package `day_02 v0.1.0 (/opt/rustwide/workdir/day_02)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/part_1
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `part_2` in package `day_03 v0.1.0 (/opt/rustwide/workdir/day_03)` has the same output filename as the bin target `part_2` in package `day_02 v0.1.0 (/opt/rustwide/workdir/day_02)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/part_2
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `part_1` in package `day_04 v0.1.0 (/opt/rustwide/workdir/day_04)` has the same output filename as the bin target `part_1` in package `day_03 v0.1.0 (/opt/rustwide/workdir/day_03)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/part_1
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `part_2` in package `day_04 v0.1.0 (/opt/rustwide/workdir/day_04)` has the same output filename as the bin target `part_2` in package `day_03 v0.1.0 (/opt/rustwide/workdir/day_03)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/part_2
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `part_1` in package `day_05 v0.1.0 (/opt/rustwide/workdir/day_05)` has the same output filename as the bin target `part_1` in package `day_04 v0.1.0 (/opt/rustwide/workdir/day_04)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/part_1
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `part_2` in package `day_05 v0.1.0 (/opt/rustwide/workdir/day_05)` has the same output filename as the bin target `part_2` in package `day_04 v0.1.0 (/opt/rustwide/workdir/day_04)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/part_2
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `part_1` in package `day_06 v0.1.0 (/opt/rustwide/workdir/day_06)` has the same output filename as the bin target `part_1` in package `day_05 v0.1.0 (/opt/rustwide/workdir/day_05)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/part_1
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `part_2` in package `day_06 v0.1.0 (/opt/rustwide/workdir/day_06)` has the same output filename as the bin target `part_2` in package `day_05 v0.1.0 (/opt/rustwide/workdir/day_05)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/part_2
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `part_1` in package `day_07 v0.1.0 (/opt/rustwide/workdir/day_07)` has the same output filename as the bin target `part_1` in package `day_06 v0.1.0 (/opt/rustwide/workdir/day_06)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/part_1
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `part_2` in package `day_07 v0.1.0 (/opt/rustwide/workdir/day_07)` has the same output filename as the bin target `part_2` in package `day_06 v0.1.0 (/opt/rustwide/workdir/day_06)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/part_2
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `part_1` in package `day_08 v0.1.0 (/opt/rustwide/workdir/day_08)` has the same output filename as the bin target `part_1` in package `day_07 v0.1.0 (/opt/rustwide/workdir/day_07)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/part_1
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `part_2` in package `day_08 v0.1.0 (/opt/rustwide/workdir/day_08)` has the same output filename as the bin target `part_2` in package `day_07 v0.1.0 (/opt/rustwide/workdir/day_07)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/part_2
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling 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 day_03 v0.1.0 (/opt/rustwide/workdir/day_03)
[INFO] [stderr]    Compiling day_06 v0.1.0 (/opt/rustwide/workdir/day_06)
[INFO] [stderr]    Compiling day_07 v0.1.0 (/opt/rustwide/workdir/day_07)
[INFO] [stderr]    Compiling day_05 v0.1.0 (/opt/rustwide/workdir/day_05)
[INFO] [stderr]    Compiling day_04 v0.1.0 (/opt/rustwide/workdir/day_04)
[INFO] [stderr]    Compiling day_01 v0.1.0 (/opt/rustwide/workdir/day_01)
[INFO] [stderr]    Compiling day_02 v0.1.0 (/opt/rustwide/workdir/day_02)
[INFO] [stderr]    Compiling day_08 v0.1.0 (/opt/rustwide/workdir/day_08)
[INFO] [stderr] error: failed to remove file `/opt/rustwide/target/debug/part_2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No such file or directory (os error 2)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4ac367ce5e08e26ad1adb89f603185f173984e2530afdcd32bfe63bf609713bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ac367ce5e08e26ad1adb89f603185f173984e2530afdcd32bfe63bf609713bb", kill_on_drop: false }`
[INFO] [stdout] 4ac367ce5e08e26ad1adb89f603185f173984e2530afdcd32bfe63bf609713bb