[INFO] fetching crate mdbook-open-on-gh 2.0.2...
[INFO] checking mdbook-open-on-gh-2.0.2 against master#f90b06d7fb00470177516c5881bcec0432cb4f24 for pr-94063
[INFO] extracting crate mdbook-open-on-gh 2.0.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate mdbook-open-on-gh 2.0.2 on toolchain f90b06d7fb00470177516c5881bcec0432cb4f24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f90b06d7fb00470177516c5881bcec0432cb4f24" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdbook-open-on-gh 2.0.2
[INFO] finished tweaking crates.io crate mdbook-open-on-gh 2.0.2
[INFO] tweaked toml for crates.io crate mdbook-open-on-gh 2.0.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate mdbook-open-on-gh 2.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f90b06d7fb00470177516c5881bcec0432cb4f24" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+f90b06d7fb00470177516c5881bcec0432cb4f24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2033ce9dfb264d5339ed30c3a4f59dc9cc1be2e4d1c30c5e7788c869b2119e35
[INFO] running `Command { std: "docker" "start" "-a" "2033ce9dfb264d5339ed30c3a4f59dc9cc1be2e4d1c30c5e7788c869b2119e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2033ce9dfb264d5339ed30c3a4f59dc9cc1be2e4d1c30c5e7788c869b2119e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2033ce9dfb264d5339ed30c3a4f59dc9cc1be2e4d1c30c5e7788c869b2119e35", kill_on_drop: false }`
[INFO] [stdout] 2033ce9dfb264d5339ed30c3a4f59dc9cc1be2e4d1c30c5e7788c869b2119e35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+f90b06d7fb00470177516c5881bcec0432cb4f24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36963c69508f757f09d2f94d6795c3eda70e65e2388d90212236f9040bf408ee
[INFO] running `Command { std: "docker" "start" "-a" "36963c69508f757f09d2f94d6795c3eda70e65e2388d90212236f9040bf408ee", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stderr]    Compiling pest_generator v2.1.3
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[INFO] [stderr]     Checking mdbook v0.4.15
[INFO] [stderr]     Checking mdbook-open-on-gh v2.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.01s
[INFO] running `Command { std: "docker" "inspect" "36963c69508f757f09d2f94d6795c3eda70e65e2388d90212236f9040bf408ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36963c69508f757f09d2f94d6795c3eda70e65e2388d90212236f9040bf408ee", kill_on_drop: false }`
[INFO] [stdout] 36963c69508f757f09d2f94d6795c3eda70e65e2388d90212236f9040bf408ee