[INFO] cloning repository https://github.com/Minhaul/advent-of-code-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Minhaul/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinhaul%2Fadvent-of-code-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinhaul%2Fadvent-of-code-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d3b4e80ab15686f824fef73ed08e149f20b6a53
[INFO] testing Minhaul/advent-of-code-2020 against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMinhaul%2Fadvent-of-code-2020" "/workspace/builds/worker-56/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-56/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Minhaul/advent-of-code-2020 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Minhaul/advent-of-code-2020
[INFO] finished tweaking git repo https://github.com/Minhaul/advent-of-code-2020
[INFO] tweaked toml for git repo https://github.com/Minhaul/advent-of-code-2020 written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] crate git repo https://github.com/Minhaul/advent-of-code-2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3bfb899b362db3a9d286dac90f3c79091e7d027fa487d259082fcd3e2a3cf157
[INFO] running `Command { std: "docker" "start" "-a" "3bfb899b362db3a9d286dac90f3c79091e7d027fa487d259082fcd3e2a3cf157", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bfb899b362db3a9d286dac90f3c79091e7d027fa487d259082fcd3e2a3cf157", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bfb899b362db3a9d286dac90f3c79091e7d027fa487d259082fcd3e2a3cf157", kill_on_drop: false }`
[INFO] [stdout] 3bfb899b362db3a9d286dac90f3c79091e7d027fa487d259082fcd3e2a3cf157
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d54a5cd877e2718d071af8c8202e36370de961bd43b600a7606e81ec27bab107
[INFO] running `Command { std: "docker" "start" "-a" "d54a5cd877e2718d071af8c8202e36370de961bd43b600a7606e81ec27bab107", kill_on_drop: false }`
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `p1` in package `d02 v0.1.0 (/opt/rustwide/workdir/d02)` has the same output filename as the bin target `p1` in package `d01 v0.1.0 (/opt/rustwide/workdir/d01)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/p1
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `p2` in package `d02 v0.1.0 (/opt/rustwide/workdir/d02)` has the same output filename as the bin target `p2` in package `d01 v0.1.0 (/opt/rustwide/workdir/d01)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/p2
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `p1` in package `d03 v0.1.0 (/opt/rustwide/workdir/d03)` has the same output filename as the bin target `p1` in package `d02 v0.1.0 (/opt/rustwide/workdir/d02)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/p1
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `p2` in package `d03 v0.1.0 (/opt/rustwide/workdir/d03)` has the same output filename as the bin target `p2` in package `d02 v0.1.0 (/opt/rustwide/workdir/d02)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/p2
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `p1` in package `d04 v0.1.0 (/opt/rustwide/workdir/d04)` has the same output filename as the bin target `p1` in package `d03 v0.1.0 (/opt/rustwide/workdir/d03)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/p1
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `p2` in package `d04 v0.1.0 (/opt/rustwide/workdir/d04)` has the same output filename as the bin target `p2` in package `d03 v0.1.0 (/opt/rustwide/workdir/d03)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/p2
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `p1` in package `d05 v0.1.0 (/opt/rustwide/workdir/d05)` has the same output filename as the bin target `p1` in package `d04 v0.1.0 (/opt/rustwide/workdir/d04)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/p1
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `p2` in package `d05 v0.1.0 (/opt/rustwide/workdir/d05)` has the same output filename as the bin target `p2` in package `d04 v0.1.0 (/opt/rustwide/workdir/d04)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/p2
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `p1` in package `d06 v0.1.0 (/opt/rustwide/workdir/d06)` has the same output filename as the bin target `p1` in package `d05 v0.1.0 (/opt/rustwide/workdir/d05)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/p1
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `p2` in package `d06 v0.1.0 (/opt/rustwide/workdir/d06)` has the same output filename as the bin target `p2` in package `d05 v0.1.0 (/opt/rustwide/workdir/d05)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/p2
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `p1` in package `d07 v0.1.0 (/opt/rustwide/workdir/d07)` has the same output filename as the bin target `p1` in package `d06 v0.1.0 (/opt/rustwide/workdir/d06)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/p1
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `p2` in package `d07 v0.1.0 (/opt/rustwide/workdir/d07)` has the same output filename as the bin target `p2` in package `d06 v0.1.0 (/opt/rustwide/workdir/d06)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/p2
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `p1` in package `d08 v0.1.0 (/opt/rustwide/workdir/d08)` has the same output filename as the bin target `p1` in package `d07 v0.1.0 (/opt/rustwide/workdir/d07)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/p1
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `p2` in package `d08 v0.1.0 (/opt/rustwide/workdir/d08)` has the same output filename as the bin target `p2` in package `d07 v0.1.0 (/opt/rustwide/workdir/d07)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/p2
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `p1` in package `d09 v0.1.0 (/opt/rustwide/workdir/d09)` has the same output filename as the bin target `p1` in package `d08 v0.1.0 (/opt/rustwide/workdir/d08)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/p1
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `p2` in package `d09 v0.1.0 (/opt/rustwide/workdir/d09)` has the same output filename as the bin target `p2` in package `d08 v0.1.0 (/opt/rustwide/workdir/d08)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/p2
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `p1` in package `d10 v0.1.0 (/opt/rustwide/workdir/d10)` has the same output filename as the bin target `p1` in package `d09 v0.1.0 (/opt/rustwide/workdir/d09)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/p1
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `p2` in package `d10 v0.1.0 (/opt/rustwide/workdir/d10)` has the same output filename as the bin target `p2` in package `d09 v0.1.0 (/opt/rustwide/workdir/d09)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/p2
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `p1` in package `d11 v0.1.0 (/opt/rustwide/workdir/d11)` has the same output filename as the bin target `p1` in package `d10 v0.1.0 (/opt/rustwide/workdir/d10)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/p1
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `p2` in package `d11 v0.1.0 (/opt/rustwide/workdir/d11)` has the same output filename as the bin target `p2` in package `d10 v0.1.0 (/opt/rustwide/workdir/d10)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/p2
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `p1` in package `d12 v0.1.0 (/opt/rustwide/workdir/d12)` has the same output filename as the bin target `p1` in package `d11 v0.1.0 (/opt/rustwide/workdir/d11)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/p1
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `p2` in package `d12 v0.1.0 (/opt/rustwide/workdir/d12)` has the same output filename as the bin target `p2` in package `d11 v0.1.0 (/opt/rustwide/workdir/d11)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/p2
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling 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 file-reader v0.1.0 (/opt/rustwide/workdir/file-reader)
[INFO] [stderr]    Compiling d08 v0.1.0 (/opt/rustwide/workdir/d08)
[INFO] [stderr]    Compiling d07 v0.1.0 (/opt/rustwide/workdir/d07)
[INFO] [stderr]    Compiling d04 v0.1.0 (/opt/rustwide/workdir/d04)
[INFO] [stderr]    Compiling d06 v0.1.0 (/opt/rustwide/workdir/d06)
[INFO] [stderr]    Compiling d12 v0.1.0 (/opt/rustwide/workdir/d12)
[INFO] [stderr]    Compiling d05 v0.1.0 (/opt/rustwide/workdir/d05)
[INFO] [stderr]    Compiling d10 v0.1.0 (/opt/rustwide/workdir/d10)
[INFO] [stderr]    Compiling d03 v0.1.0 (/opt/rustwide/workdir/d03)
[INFO] [stderr]    Compiling d01 v0.1.0 (/opt/rustwide/workdir/d01)
[INFO] [stderr]    Compiling d11 v0.1.0 (/opt/rustwide/workdir/d11)
[INFO] [stderr]    Compiling d02 v0.1.0 (/opt/rustwide/workdir/d02)
[INFO] [stderr]    Compiling d09 v0.1.0 (/opt/rustwide/workdir/d09)
[INFO] [stderr] error: failed to remove file `/opt/rustwide/target/debug/p1`
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d54a5cd877e2718d071af8c8202e36370de961bd43b600a7606e81ec27bab107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d54a5cd877e2718d071af8c8202e36370de961bd43b600a7606e81ec27bab107", kill_on_drop: false }`
[INFO] [stdout] d54a5cd877e2718d071af8c8202e36370de961bd43b600a7606e81ec27bab107
