[INFO] fetching crate dimmer 0.2.1...
[INFO] checking dimmer-0.2.1 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate dimmer 0.2.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate dimmer 0.2.1 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dimmer 0.2.1
[INFO] finished tweaking crates.io crate dimmer 0.2.1
[INFO] tweaked toml for crates.io crate dimmer 0.2.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate dimmer 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f6e54c4027aba85483735df2755acebe78937e2b07a0e98e781ad1324b65821
[INFO] running `Command { std: "docker" "start" "-a" "3f6e54c4027aba85483735df2755acebe78937e2b07a0e98e781ad1324b65821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f6e54c4027aba85483735df2755acebe78937e2b07a0e98e781ad1324b65821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f6e54c4027aba85483735df2755acebe78937e2b07a0e98e781ad1324b65821", kill_on_drop: false }`
[INFO] [stdout] 3f6e54c4027aba85483735df2755acebe78937e2b07a0e98e781ad1324b65821
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5c01a53ddb3b0acf2e0b3dc7aa8e6679bd3850818d0aa5214b60cc3303d4ba4
[INFO] running `Command { std: "docker" "start" "-a" "c5c01a53ddb3b0acf2e0b3dc7aa8e6679bd3850818d0aa5214b60cc3303d4ba4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling anyhow v1.0.71
[INFO] [stderr]     Checking home v0.5.5
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking xdg v2.5.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking thiserror v1.0.40
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking dimmer v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.28s
[INFO] running `Command { std: "docker" "inspect" "c5c01a53ddb3b0acf2e0b3dc7aa8e6679bd3850818d0aa5214b60cc3303d4ba4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5c01a53ddb3b0acf2e0b3dc7aa8e6679bd3850818d0aa5214b60cc3303d4ba4", kill_on_drop: false }`
[INFO] [stdout] c5c01a53ddb3b0acf2e0b3dc7aa8e6679bd3850818d0aa5214b60cc3303d4ba4
