[INFO] fetching crate waxosuit-codec 0.2.4...
[INFO] documenting waxosuit-codec-0.2.4 against 1.55.0 for beta-1.56-rustdoc-1
[INFO] extracting crate waxosuit-codec 0.2.4 into /workspace/builds/worker-54/source
[INFO] validating manifest of crates.io crate waxosuit-codec 0.2.4 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate waxosuit-codec 0.2.4
[INFO] finished tweaking crates.io crate waxosuit-codec 0.2.4
[INFO] tweaked toml for crates.io crate waxosuit-codec 0.2.4 written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73d95085ffec20701d2141b48771a54de2f3054699b32a29db75328548d45d75
[INFO] running `Command { std: "docker" "start" "-a" "73d95085ffec20701d2141b48771a54de2f3054699b32a29db75328548d45d75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73d95085ffec20701d2141b48771a54de2f3054699b32a29db75328548d45d75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73d95085ffec20701d2141b48771a54de2f3054699b32a29db75328548d45d75", kill_on_drop: false }`
[INFO] [stdout] 73d95085ffec20701d2141b48771a54de2f3054699b32a29db75328548d45d75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ad671bea38e8b545e2cd280f958062a823bdb9d377dc1c396fc853603b9dadd
[INFO] running `Command { std: "docker" "start" "-a" "7ad671bea38e8b545e2cd280f958062a823bdb9d377dc1c396fc853603b9dadd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking serde_json v1.0.67
[INFO] [stderr]    Compiling object v0.26.2
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling addr2line v0.16.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling prost-derive v0.5.0
[INFO] [stderr]    Compiling prost-build v0.5.0
[INFO] [stderr]    Compiling prost v0.5.0
[INFO] [stderr]    Compiling prost-types v0.5.0
[INFO] [stderr]    Compiling waxosuit-codec v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting waxosuit-codec v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.06s
[INFO] running `Command { std: "docker" "inspect" "7ad671bea38e8b545e2cd280f958062a823bdb9d377dc1c396fc853603b9dadd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ad671bea38e8b545e2cd280f958062a823bdb9d377dc1c396fc853603b9dadd", kill_on_drop: false }`
[INFO] [stdout] 7ad671bea38e8b545e2cd280f958062a823bdb9d377dc1c396fc853603b9dadd