[INFO] fetching crate minifier 0.0.41...
[INFO] checking minifier-0.0.41 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate minifier 0.0.41 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate minifier 0.0.41 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate minifier 0.0.41
[INFO] finished tweaking crates.io crate minifier 0.0.41
[INFO] tweaked toml for crates.io crate minifier 0.0.41 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate minifier 0.0.41 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded macro-utils v0.1.3
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62dc4d6bfc5a8e58b372a9d7a92147de625bb8f96c2762441d6e9f79cd2dfc72
[INFO] running `Command { std: "docker" "start" "-a" "62dc4d6bfc5a8e58b372a9d7a92147de625bb8f96c2762441d6e9f79cd2dfc72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62dc4d6bfc5a8e58b372a9d7a92147de625bb8f96c2762441d6e9f79cd2dfc72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62dc4d6bfc5a8e58b372a9d7a92147de625bb8f96c2762441d6e9f79cd2dfc72", kill_on_drop: false }`
[INFO] [stdout] 62dc4d6bfc5a8e58b372a9d7a92147de625bb8f96c2762441d6e9f79cd2dfc72
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26147f8512e1c99968ece0dfa8bf45d07ca723228c315504641f6bb87aed5487
[INFO] running `Command { std: "docker" "start" "-a" "26147f8512e1c99968ece0dfa8bf45d07ca723228c315504641f6bb87aed5487", kill_on_drop: false }`
[INFO] [stderr]     Checking macro-utils v0.1.3
[INFO] [stderr]     Checking minifier v0.0.41 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "26147f8512e1c99968ece0dfa8bf45d07ca723228c315504641f6bb87aed5487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26147f8512e1c99968ece0dfa8bf45d07ca723228c315504641f6bb87aed5487", kill_on_drop: false }`
[INFO] [stdout] 26147f8512e1c99968ece0dfa8bf45d07ca723228c315504641f6bb87aed5487