[INFO] cloning repository https://github.com/joeshaw/advent2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joeshaw/advent2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoeshaw%2Fadvent2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoeshaw%2Fadvent2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb2fb82dd912306d6276291010c795b8a7b28eb6
[INFO] checking joeshaw/advent2020 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoeshaw%2Fadvent2020" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joeshaw/advent2020 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/joeshaw/advent2020
[INFO] finished tweaking git repo https://github.com/joeshaw/advent2020
[INFO] tweaked toml for git repo https://github.com/joeshaw/advent2020 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/joeshaw/advent2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ebe72ec0e8ebb4423bf345abadab97ada3963f21847b182c000d6f0c5f49f87a
[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" "ebe72ec0e8ebb4423bf345abadab97ada3963f21847b182c000d6f0c5f49f87a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebe72ec0e8ebb4423bf345abadab97ada3963f21847b182c000d6f0c5f49f87a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebe72ec0e8ebb4423bf345abadab97ada3963f21847b182c000d6f0c5f49f87a", kill_on_drop: false }`
[INFO] [stdout] ebe72ec0e8ebb4423bf345abadab97ada3963f21847b182c000d6f0c5f49f87a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71925de0fd0ce6d4717bfb1b1d4e40fe615fccb773b0feb18a96ecb7b8da27be
[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" "71925de0fd0ce6d4717bfb1b1d4e40fe615fccb773b0feb18a96ecb7b8da27be", kill_on_drop: false }`
[INFO] [stderr]     Checking advent2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "71925de0fd0ce6d4717bfb1b1d4e40fe615fccb773b0feb18a96ecb7b8da27be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71925de0fd0ce6d4717bfb1b1d4e40fe615fccb773b0feb18a96ecb7b8da27be", kill_on_drop: false }`
[INFO] [stdout] 71925de0fd0ce6d4717bfb1b1d4e40fe615fccb773b0feb18a96ecb7b8da27be