[INFO] fetching crate cc 1.0.68...
[INFO] building cc-1.0.68 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate cc 1.0.68 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate cc 1.0.68 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cc 1.0.68
[INFO] finished tweaking crates.io crate cc 1.0.68
[INFO] tweaked toml for crates.io crate cc 1.0.68 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate cc 1.0.68 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 2a9ab81c5d0a66339490bd056d6e6e951967fcd362d29f25f0364f821fa63012
[INFO] running `Command { std: "docker" "start" "-a" "2a9ab81c5d0a66339490bd056d6e6e951967fcd362d29f25f0364f821fa63012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a9ab81c5d0a66339490bd056d6e6e951967fcd362d29f25f0364f821fa63012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a9ab81c5d0a66339490bd056d6e6e951967fcd362d29f25f0364f821fa63012", kill_on_drop: false }`
[INFO] [stdout] 2a9ab81c5d0a66339490bd056d6e6e951967fcd362d29f25f0364f821fa63012
[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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65686a1baa6516e349a7b8cb26cff70aba9937ea3b55460bbabfebf51a9a0d90
[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" "65686a1baa6516e349a7b8cb26cff70aba9937ea3b55460bbabfebf51a9a0d90", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.68 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "65686a1baa6516e349a7b8cb26cff70aba9937ea3b55460bbabfebf51a9a0d90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65686a1baa6516e349a7b8cb26cff70aba9937ea3b55460bbabfebf51a9a0d90", kill_on_drop: false }`
[INFO] [stdout] 65686a1baa6516e349a7b8cb26cff70aba9937ea3b55460bbabfebf51a9a0d90
[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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", 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] 77f0a7373f1dc7660d5aa18043a3daecd87d35aa4d3138cf572643b745d46096
[INFO] running `Command { std: "docker" "start" "-a" "77f0a7373f1dc7660d5aa18043a3daecd87d35aa4d3138cf572643b745d46096", kill_on_drop: false }`
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling cc v1.0.68 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.18s
[INFO] running `Command { std: "docker" "inspect" "77f0a7373f1dc7660d5aa18043a3daecd87d35aa4d3138cf572643b745d46096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77f0a7373f1dc7660d5aa18043a3daecd87d35aa4d3138cf572643b745d46096", kill_on_drop: false }`
[INFO] [stdout] 77f0a7373f1dc7660d5aa18043a3daecd87d35aa4d3138cf572643b745d46096