[INFO] cloning repository https://github.com/ns476/aoc2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ns476/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fns476%2Faoc2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fns476%2Faoc2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3fb08410382e2570f8059567bf87d751c68e2ff8
[INFO] checking ns476/aoc2020 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fns476%2Faoc2020" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ns476/aoc2020 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ns476/aoc2020
[INFO] finished tweaking git repo https://github.com/ns476/aoc2020
[INFO] tweaked toml for git repo https://github.com/ns476/aoc2020 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ns476/aoc2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 247e6b61f05e8de063a6dbb9225ed471dddbe31aebbfc5398b766acba627adcf
[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" "247e6b61f05e8de063a6dbb9225ed471dddbe31aebbfc5398b766acba627adcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "247e6b61f05e8de063a6dbb9225ed471dddbe31aebbfc5398b766acba627adcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "247e6b61f05e8de063a6dbb9225ed471dddbe31aebbfc5398b766acba627adcf", kill_on_drop: false }`
[INFO] [stdout] 247e6b61f05e8de063a6dbb9225ed471dddbe31aebbfc5398b766acba627adcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5c75ef02fa63019b09fe6c75bf3273bf776bfdad1f5c6c19525df43c5cdb993
[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" "b5c75ef02fa63019b09fe6c75bf3273bf776bfdad1f5c6c19525df43c5cdb993", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking counter v0.5.2
[INFO] [stderr]    Compiling darling_core v0.10.3
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling darling_macro v0.10.3
[INFO] [stderr]    Compiling darling v0.10.3
[INFO] [stderr]    Compiling cached_proc_macro v0.6.0
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking cached v0.22.0
[INFO] [stderr]     Checking aoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.74s
[INFO] running `Command { std: "docker" "inspect" "b5c75ef02fa63019b09fe6c75bf3273bf776bfdad1f5c6c19525df43c5cdb993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5c75ef02fa63019b09fe6c75bf3273bf776bfdad1f5c6c19525df43c5cdb993", kill_on_drop: false }`
[INFO] [stdout] b5c75ef02fa63019b09fe6c75bf3273bf776bfdad1f5c6c19525df43c5cdb993