[INFO] fetching crate khash 2.0.4...
[INFO] documenting khash-2.0.4 against try#958246c3cfeb0a72f9a664bc7c584741fa1a805b for pr-107291
[INFO] extracting crate khash 2.0.4 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate khash 2.0.4 on toolchain 958246c3cfeb0a72f9a664bc7c584741fa1a805b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+958246c3cfeb0a72f9a664bc7c584741fa1a805b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate khash 2.0.4
[INFO] finished tweaking crates.io crate khash 2.0.4
[INFO] tweaked toml for crates.io crate khash 2.0.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+958246c3cfeb0a72f9a664bc7c584741fa1a805b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+958246c3cfeb0a72f9a664bc7c584741fa1a805b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+958246c3cfeb0a72f9a664bc7c584741fa1a805b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdceacacfd09d6a7f83e9ff39b6a70dd6f21628c92bda10243fa8532d509800f
[INFO] running `Command { std: "docker" "start" "-a" "cdceacacfd09d6a7f83e9ff39b6a70dd6f21628c92bda10243fa8532d509800f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdceacacfd09d6a7f83e9ff39b6a70dd6f21628c92bda10243fa8532d509800f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdceacacfd09d6a7f83e9ff39b6a70dd6f21628c92bda10243fa8532d509800f", kill_on_drop: false }`
[INFO] [stdout] cdceacacfd09d6a7f83e9ff39b6a70dd6f21628c92bda10243fa8532d509800f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+958246c3cfeb0a72f9a664bc7c584741fa1a805b" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0c8d0182a82777a07a33552600407924d905c283e802ad4729dd43c4bb462a6
[INFO] running `Command { std: "docker" "start" "-a" "a0c8d0182a82777a07a33552600407924d905c283e802ad4729dd43c4bb462a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling khash v2.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking malloc-array v1.4.4
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]  Documenting khash v2.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.00s
[INFO] running `Command { std: "docker" "inspect" "a0c8d0182a82777a07a33552600407924d905c283e802ad4729dd43c4bb462a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0c8d0182a82777a07a33552600407924d905c283e802ad4729dd43c4bb462a6", kill_on_drop: false }`
[INFO] [stdout] a0c8d0182a82777a07a33552600407924d905c283e802ad4729dd43c4bb462a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+958246c3cfeb0a72f9a664bc7c584741fa1a805b" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9816d139a15cf684a5bfd37be06e0380b66f8ccf8ef61e474ad48cbbe272680a
[INFO] running `Command { std: "docker" "start" "-a" "9816d139a15cf684a5bfd37be06e0380b66f8ccf8ef61e474ad48cbbe272680a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "9816d139a15cf684a5bfd37be06e0380b66f8ccf8ef61e474ad48cbbe272680a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9816d139a15cf684a5bfd37be06e0380b66f8ccf8ef61e474ad48cbbe272680a", kill_on_drop: false }`
[INFO] [stdout] 9816d139a15cf684a5bfd37be06e0380b66f8ccf8ef61e474ad48cbbe272680a