[INFO] fetching crate markdown-heading-id 0.1.0...
[INFO] checking markdown-heading-id-0.1.0 against master#be181dd75c83d72fcc95538e235768bc367b76b9 for pr-140208
[INFO] extracting crate markdown-heading-id 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate markdown-heading-id 0.1.0 on toolchain be181dd75c83d72fcc95538e235768bc367b76b9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+be181dd75c83d72fcc95538e235768bc367b76b9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate markdown-heading-id 0.1.0
[INFO] finished tweaking crates.io crate markdown-heading-id 0.1.0
[INFO] tweaked toml for crates.io crate markdown-heading-id 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+be181dd75c83d72fcc95538e235768bc367b76b9" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding pulldown-cmark v0.8.0 (available: v0.13.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+be181dd75c83d72fcc95538e235768bc367b76b9" "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-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+be181dd75c83d72fcc95538e235768bc367b76b9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55005917768b3cc3361e5aa2466d637791fff1b261f947d2aada15dd27da4360
[INFO] running `Command { std: "docker" "start" "-a" "55005917768b3cc3361e5aa2466d637791fff1b261f947d2aada15dd27da4360", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55005917768b3cc3361e5aa2466d637791fff1b261f947d2aada15dd27da4360", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55005917768b3cc3361e5aa2466d637791fff1b261f947d2aada15dd27da4360", kill_on_drop: false }`
[INFO] [stdout] 55005917768b3cc3361e5aa2466d637791fff1b261f947d2aada15dd27da4360
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+be181dd75c83d72fcc95538e235768bc367b76b9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf4f2892c5bf8bfb36ac08725e7335c3978727b0f41f79246473d7a2fa50ef5d
[INFO] running `Command { std: "docker" "start" "-a" "cf4f2892c5bf8bfb36ac08725e7335c3978727b0f41f79246473d7a2fa50ef5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking unicase v2.8.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking markdown-heading-id v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "cf4f2892c5bf8bfb36ac08725e7335c3978727b0f41f79246473d7a2fa50ef5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf4f2892c5bf8bfb36ac08725e7335c3978727b0f41f79246473d7a2fa50ef5d", kill_on_drop: false }`
[INFO] [stdout] cf4f2892c5bf8bfb36ac08725e7335c3978727b0f41f79246473d7a2fa50ef5d