[INFO] fetching crate ferris-says 0.2.0...
[INFO] checking ferris-says-0.2.0 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate ferris-says 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ferris-says 0.2.0 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ferris-says 0.2.0
[INFO] finished tweaking crates.io crate ferris-says 0.2.0
[INFO] tweaked toml for crates.io crate ferris-says 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate ferris-says 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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] 90ba71774de33dcd3a267d11dda965106b4ebbbfc299a96de326b40a91542652
[INFO] running `Command { std: "docker" "start" "-a" "90ba71774de33dcd3a267d11dda965106b4ebbbfc299a96de326b40a91542652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90ba71774de33dcd3a267d11dda965106b4ebbbfc299a96de326b40a91542652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90ba71774de33dcd3a267d11dda965106b4ebbbfc299a96de326b40a91542652", kill_on_drop: false }`
[INFO] [stdout] 90ba71774de33dcd3a267d11dda965106b4ebbbfc299a96de326b40a91542652
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3aa2c97317dedcdb7f3f20feb4202937e5a6dd4ccebbfdbc939b1871ebdb29f5
[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" "3aa2c97317dedcdb7f3f20feb4202937e5a6dd4ccebbfdbc939b1871ebdb29f5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.4
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking rustc-demangle v0.1.5
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking smallvec v0.4.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking ferris-says v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.13s
[INFO] running `Command { std: "docker" "inspect" "3aa2c97317dedcdb7f3f20feb4202937e5a6dd4ccebbfdbc939b1871ebdb29f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aa2c97317dedcdb7f3f20feb4202937e5a6dd4ccebbfdbc939b1871ebdb29f5", kill_on_drop: false }`
[INFO] [stdout] 3aa2c97317dedcdb7f3f20feb4202937e5a6dd4ccebbfdbc939b1871ebdb29f5