[INFO] cloning repository https://github.com/benbrandt/sicp-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benbrandt/sicp-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenbrandt%2Fsicp-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenbrandt%2Fsicp-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7301c6e011aea717b7b44555580df8a832640c64
[INFO] checking benbrandt/sicp-rs against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenbrandt%2Fsicp-rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benbrandt/sicp-rs on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/benbrandt/sicp-rs
[INFO] finished tweaking git repo https://github.com/benbrandt/sicp-rs
[INFO] tweaked toml for git repo https://github.com/benbrandt/sicp-rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/benbrandt/sicp-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 85bf0da9c60f0f164ba42cb29db3e554f6e5d4f0e82dc89de2b5f11a47045e0e
[INFO] running `Command { std: "docker" "start" "-a" "85bf0da9c60f0f164ba42cb29db3e554f6e5d4f0e82dc89de2b5f11a47045e0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85bf0da9c60f0f164ba42cb29db3e554f6e5d4f0e82dc89de2b5f11a47045e0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85bf0da9c60f0f164ba42cb29db3e554f6e5d4f0e82dc89de2b5f11a47045e0e", kill_on_drop: false }`
[INFO] [stdout] 85bf0da9c60f0f164ba42cb29db3e554f6e5d4f0e82dc89de2b5f11a47045e0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04a6a2824c420cb0eb378725dc141ec943e70b7e0821bba42285d06fe4f159bf
[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" "04a6a2824c420cb0eb378725dc141ec943e70b7e0821bba42285d06fe4f159bf", kill_on_drop: false }`
[INFO] [stderr]     Checking ch1 v0.1.0 (/opt/rustwide/workdir/ch1)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "04a6a2824c420cb0eb378725dc141ec943e70b7e0821bba42285d06fe4f159bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04a6a2824c420cb0eb378725dc141ec943e70b7e0821bba42285d06fe4f159bf", kill_on_drop: false }`
[INFO] [stdout] 04a6a2824c420cb0eb378725dc141ec943e70b7e0821bba42285d06fe4f159bf