[INFO] fetching crate courses 0.9.4...
[INFO] checking courses-0.9.4 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate courses 0.9.4 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate courses 0.9.4 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate courses 0.9.4
[INFO] finished tweaking crates.io crate courses 0.9.4
[INFO] tweaked toml for crates.io crate courses 0.9.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate courses 0.9.4 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zopfli v0.8.0
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[INFO] [stderr]   Downloaded penguin v0.1.8
[INFO] [stderr]   Downloaded code-product-lib v0.3.0
[INFO] [stderr]   Downloaded built v0.7.2
[INFO] [stderr]   Downloaded notify-debouncer-mini v0.4.1
[INFO] [stderr]   Downloaded tokio-tungstenite v0.17.2
[INFO] [stderr]   Downloaded deflate64 v0.1.8
[INFO] [stderr]   Downloaded constptr v0.2.0
[INFO] [stderr]   Downloaded rhai v1.18.0
[INFO] [stderr]   Downloaded rust-embed-impl v8.3.0
[INFO] [stderr]   Downloaded rust-embed-utils v8.3.0
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[INFO] [stderr]   Downloaded rust-embed v8.3.0
[INFO] [stderr]   Downloaded libz-ng-sys v1.1.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a7ab619b455c7ac7cf97e662093a36fcfe80017f6586f9e0c90998e6e185081
[INFO] running `Command { std: "docker" "start" "-a" "1a7ab619b455c7ac7cf97e662093a36fcfe80017f6586f9e0c90998e6e185081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a7ab619b455c7ac7cf97e662093a36fcfe80017f6586f9e0c90998e6e185081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a7ab619b455c7ac7cf97e662093a36fcfe80017f6586f9e0c90998e6e185081", kill_on_drop: false }`
[INFO] [stdout] 1a7ab619b455c7ac7cf97e662093a36fcfe80017f6586f9e0c90998e6e185081
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f92d9d022c6baec855cad50abc6347aca7e5ad1e1fd1b6c6c11eb027ff9b671e
[INFO] running `Command { std: "docker" "start" "-a" "f92d9d022c6baec855cad50abc6347aca7e5ad1e1fd1b6c6c11eb027ff9b671e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.154
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[INFO] running `Command { std: "docker" "inspect" "f92d9d022c6baec855cad50abc6347aca7e5ad1e1fd1b6c6c11eb027ff9b671e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f92d9d022c6baec855cad50abc6347aca7e5ad1e1fd1b6c6c11eb027ff9b671e", kill_on_drop: false }`
[INFO] [stdout] f92d9d022c6baec855cad50abc6347aca7e5ad1e1fd1b6c6c11eb027ff9b671e
[INFO] checking courses-0.9.4 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate courses 0.9.4 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate courses 0.9.4 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate courses 0.9.4
[INFO] finished tweaking crates.io crate courses 0.9.4
[INFO] tweaked toml for crates.io crate courses 0.9.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate courses 0.9.4 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a48995f2b8d3b35fbfc481fb6752330615d30f330f0d8d5c147c3fc527744d02
[INFO] running `Command { std: "docker" "start" "-a" "a48995f2b8d3b35fbfc481fb6752330615d30f330f0d8d5c147c3fc527744d02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a48995f2b8d3b35fbfc481fb6752330615d30f330f0d8d5c147c3fc527744d02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a48995f2b8d3b35fbfc481fb6752330615d30f330f0d8d5c147c3fc527744d02", kill_on_drop: false }`
[INFO] [stdout] a48995f2b8d3b35fbfc481fb6752330615d30f330f0d8d5c147c3fc527744d02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05679c7470f525deb8eabcbdb2aeae6f24f510b9dd6d7c379f538542ef13eb10
[INFO] running `Command { std: "docker" "start" "-a" "05679c7470f525deb8eabcbdb2aeae6f24f510b9dd6d7c379f538542ef13eb10", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.154
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[INFO] [stderr]    Compiling courses v0.9.4 (/opt/rustwide/workdir)
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[INFO] running `Command { std: "docker" "inspect" "05679c7470f525deb8eabcbdb2aeae6f24f510b9dd6d7c379f538542ef13eb10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05679c7470f525deb8eabcbdb2aeae6f24f510b9dd6d7c379f538542ef13eb10", kill_on_drop: false }`
[INFO] [stdout] 05679c7470f525deb8eabcbdb2aeae6f24f510b9dd6d7c379f538542ef13eb10