[INFO] cloning repository https://github.com/ericpubu/aoc-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ericpubu/aoc-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericpubu%2Faoc-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericpubu%2Faoc-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3fae7c6d36411abcbab5aea1d508bfef6bc93a1e
[INFO] checking ericpubu/aoc-2020 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericpubu%2Faoc-2020" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ericpubu/aoc-2020 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ericpubu/aoc-2020
[INFO] finished tweaking git repo https://github.com/ericpubu/aoc-2020
[INFO] tweaked toml for git repo https://github.com/ericpubu/aoc-2020 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ericpubu/aoc-2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded validator_types v0.12.0
[INFO] [stderr]   Downloaded if_chain v1.0.1
[INFO] [stderr]   Downloaded validator_derive v0.12.0
[INFO] [stderr]   Downloaded validator v0.12.0
[INFO] [stderr]   Downloaded syn v1.0.53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee308c7064fd3e2cadf1ecba7f2272aa5ce05f1bad17b9aa53cce41c6cf57a26
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ee308c7064fd3e2cadf1ecba7f2272aa5ce05f1bad17b9aa53cce41c6cf57a26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee308c7064fd3e2cadf1ecba7f2272aa5ce05f1bad17b9aa53cce41c6cf57a26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee308c7064fd3e2cadf1ecba7f2272aa5ce05f1bad17b9aa53cce41c6cf57a26", kill_on_drop: false }`
[INFO] [stdout] ee308c7064fd3e2cadf1ecba7f2272aa5ce05f1bad17b9aa53cce41c6cf57a26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6a339f72b0072563c868c07ed4dc6e7266d8728da2488166cc089b0ffc4851c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e6a339f72b0072563c868c07ed4dc6e7266d8728da2488166cc089b0ffc4851c", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling if_chain v1.0.1
[INFO] [stderr]    Compiling validator_types v0.12.0
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]    Compiling validator_derive v0.12.0
[INFO] [stderr]     Checking validator v0.12.0
[INFO] [stderr]     Checking aoc-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "e6a339f72b0072563c868c07ed4dc6e7266d8728da2488166cc089b0ffc4851c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6a339f72b0072563c868c07ed4dc6e7266d8728da2488166cc089b0ffc4851c", kill_on_drop: false }`
[INFO] [stdout] e6a339f72b0072563c868c07ed4dc6e7266d8728da2488166cc089b0ffc4851c