[INFO] fetching crate sentaku 0.4.0...
[INFO] checking sentaku-0.4.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate sentaku 0.4.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate sentaku 0.4.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sentaku 0.4.0
[INFO] finished tweaking crates.io crate sentaku 0.4.0
[INFO] tweaked toml for crates.io crate sentaku 0.4.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate sentaku 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b70fa2bcf463dbd9c090d8623e14157702d3d3c0f37e0319849c9f764068830
[INFO] running `Command { std: "docker" "start" "-a" "8b70fa2bcf463dbd9c090d8623e14157702d3d3c0f37e0319849c9f764068830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b70fa2bcf463dbd9c090d8623e14157702d3d3c0f37e0319849c9f764068830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b70fa2bcf463dbd9c090d8623e14157702d3d3c0f37e0319849c9f764068830", kill_on_drop: false }`
[INFO] [stdout] 8b70fa2bcf463dbd9c090d8623e14157702d3d3c0f37e0319849c9f764068830
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50cad4dc8bd6d6672f48b1a0a6e7a536a1d1b556296d93b0245b236312253495
[INFO] running `Command { std: "docker" "start" "-a" "50cad4dc8bd6d6672f48b1a0a6e7a536a1d1b556296d93b0245b236312253495", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking webbrowser v0.5.2
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking sentaku v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `Command { std: "docker" "inspect" "50cad4dc8bd6d6672f48b1a0a6e7a536a1d1b556296d93b0245b236312253495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50cad4dc8bd6d6672f48b1a0a6e7a536a1d1b556296d93b0245b236312253495", kill_on_drop: false }`
[INFO] [stdout] 50cad4dc8bd6d6672f48b1a0a6e7a536a1d1b556296d93b0245b236312253495