[INFO] fetching crate mdbook-chapter-path 0.1.0...
[INFO] checking mdbook-chapter-path-0.1.0 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate mdbook-chapter-path 0.1.0 into /workspace/builds/worker-102/source
[INFO] validating manifest of crates.io crate mdbook-chapter-path 0.1.0 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdbook-chapter-path 0.1.0
[INFO] finished tweaking crates.io crate mdbook-chapter-path 0.1.0
[INFO] tweaked toml for crates.io crate mdbook-chapter-path 0.1.0 written to /workspace/builds/worker-102/source/Cargo.toml
[INFO] crate crates.io crate mdbook-chapter-path 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a8ed1e918c7007051237bacf28549f451cba2b340f042aabc160e1a114af352
[INFO] running `Command { std: "docker" "start" "-a" "7a8ed1e918c7007051237bacf28549f451cba2b340f042aabc160e1a114af352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a8ed1e918c7007051237bacf28549f451cba2b340f042aabc160e1a114af352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a8ed1e918c7007051237bacf28549f451cba2b340f042aabc160e1a114af352", kill_on_drop: false }`
[INFO] [stdout] 7a8ed1e918c7007051237bacf28549f451cba2b340f042aabc160e1a114af352
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43911e0ce198be99efb87ed9317ae27073b3198ebb4d1b73bee7d406558e9fcc
[INFO] running `Command { std: "docker" "start" "-a" "43911e0ce198be99efb87ed9317ae27073b3198ebb4d1b73bee7d406558e9fcc", kill_on_drop: false }`
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[INFO] [stderr]     Checking mdbook v0.4.8
[INFO] [stderr]     Checking mdbook-chapter-path v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.62s
[INFO] running `Command { std: "docker" "inspect" "43911e0ce198be99efb87ed9317ae27073b3198ebb4d1b73bee7d406558e9fcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43911e0ce198be99efb87ed9317ae27073b3198ebb4d1b73bee7d406558e9fcc", kill_on_drop: false }`
[INFO] [stdout] 43911e0ce198be99efb87ed9317ae27073b3198ebb4d1b73bee7d406558e9fcc