[INFO] fetching crate milf 0.5.8...
[INFO] checking milf-0.5.8 against 1.55.0 for beta-1.56-3
[INFO] extracting crate milf 0.5.8 into /workspace/builds/worker-46/source
[INFO] validating manifest of crates.io crate milf 0.5.8 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate milf 0.5.8
[INFO] finished tweaking crates.io crate milf 0.5.8
[INFO] tweaked toml for crates.io crate milf 0.5.8 written to /workspace/builds/worker-46/source/Cargo.toml
[INFO] crate crates.io crate milf 0.5.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b3285cff863b20502a4ac898fc243f542f53f7245b5ae2ac1b7cf6affc0bf9d
[INFO] running `Command { std: "docker" "start" "-a" "3b3285cff863b20502a4ac898fc243f542f53f7245b5ae2ac1b7cf6affc0bf9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b3285cff863b20502a4ac898fc243f542f53f7245b5ae2ac1b7cf6affc0bf9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b3285cff863b20502a4ac898fc243f542f53f7245b5ae2ac1b7cf6affc0bf9d", kill_on_drop: false }`
[INFO] [stdout] 3b3285cff863b20502a4ac898fc243f542f53f7245b5ae2ac1b7cf6affc0bf9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22c63f67d0325bb03a200156d88f3edfc9288283413bce3ab24299bfbc57e0a0
[INFO] running `Command { std: "docker" "start" "-a" "22c63f67d0325bb03a200156d88f3edfc9288283413bce3ab24299bfbc57e0a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking milf v0.5.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.68s
[INFO] running `Command { std: "docker" "inspect" "22c63f67d0325bb03a200156d88f3edfc9288283413bce3ab24299bfbc57e0a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22c63f67d0325bb03a200156d88f3edfc9288283413bce3ab24299bfbc57e0a0", kill_on_drop: false }`
[INFO] [stdout] 22c63f67d0325bb03a200156d88f3edfc9288283413bce3ab24299bfbc57e0a0
