[INFO] cloning repository https://github.com/elmarx/aoc2020-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/elmarx/aoc2020-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felmarx%2Faoc2020-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felmarx%2Faoc2020-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b7b559af2659fabbcb8a0c18d11e56513d8aee7
[INFO] checking elmarx/aoc2020-rs against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felmarx%2Faoc2020-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/elmarx/aoc2020-rs on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/elmarx/aoc2020-rs
[INFO] finished tweaking git repo https://github.com/elmarx/aoc2020-rs
[INFO] tweaked toml for git repo https://github.com/elmarx/aoc2020-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/elmarx/aoc2020-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e97ed55f0d50b2a04c23dcc209e59efc20ef8c6be5a02bff251c353076bfcc7
[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" "5e97ed55f0d50b2a04c23dcc209e59efc20ef8c6be5a02bff251c353076bfcc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e97ed55f0d50b2a04c23dcc209e59efc20ef8c6be5a02bff251c353076bfcc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e97ed55f0d50b2a04c23dcc209e59efc20ef8c6be5a02bff251c353076bfcc7", kill_on_drop: false }`
[INFO] [stdout] 5e97ed55f0d50b2a04c23dcc209e59efc20ef8c6be5a02bff251c353076bfcc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a149a05754290e5a5c20a1482e6f04020907c6d2fddf90bdc5d8b30ada7ba9be
[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" "a149a05754290e5a5c20a1482e6f04020907c6d2fddf90bdc5d8b30ada7ba9be", kill_on_drop: false }`
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking aoc2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.26s
[INFO] running `Command { std: "docker" "inspect" "a149a05754290e5a5c20a1482e6f04020907c6d2fddf90bdc5d8b30ada7ba9be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a149a05754290e5a5c20a1482e6f04020907c6d2fddf90bdc5d8b30ada7ba9be", kill_on_drop: false }`
[INFO] [stdout] a149a05754290e5a5c20a1482e6f04020907c6d2fddf90bdc5d8b30ada7ba9be