[INFO] cloning repository https://github.com/Arnavion/aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Arnavion/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArnavion%2Faoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArnavion%2Faoc2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b352ed1f613f971cd28909d89bc5a936b1e4303
[INFO] checking Arnavion/aoc2020 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArnavion%2Faoc2020" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Arnavion/aoc2020 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/Arnavion/aoc2020
[INFO] finished tweaking git repo https://github.com/Arnavion/aoc2020
[INFO] tweaked toml for git repo https://github.com/Arnavion/aoc2020 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Arnavion/aoc2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a73035fa3131c42799865594f06f9d9b38cea721748fd34d457feeb5969e1438
[INFO] running `Command { std: "docker" "start" "-a" "a73035fa3131c42799865594f06f9d9b38cea721748fd34d457feeb5969e1438", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a73035fa3131c42799865594f06f9d9b38cea721748fd34d457feeb5969e1438", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a73035fa3131c42799865594f06f9d9b38cea721748fd34d457feeb5969e1438", kill_on_drop: false }`
[INFO] [stdout] a73035fa3131c42799865594f06f9d9b38cea721748fd34d457feeb5969e1438
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a946689f00a98f1e0dfab7f91ccd7b057b15f63091cb914f08e2fd3ab81fc926
[INFO] running `Command { std: "docker" "start" "-a" "a946689f00a98f1e0dfab7f91ccd7b057b15f63091cb914f08e2fd3ab81fc926", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking aoc2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.64s
[INFO] running `Command { std: "docker" "inspect" "a946689f00a98f1e0dfab7f91ccd7b057b15f63091cb914f08e2fd3ab81fc926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a946689f00a98f1e0dfab7f91ccd7b057b15f63091cb914f08e2fd3ab81fc926", kill_on_drop: false }`
[INFO] [stdout] a946689f00a98f1e0dfab7f91ccd7b057b15f63091cb914f08e2fd3ab81fc926