[INFO] cloning repository https://github.com/pstlab/SeMiTONE
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pstlab/SeMiTONE" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpstlab%2FSeMiTONE", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpstlab%2FSeMiTONE'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00f4018202f848b2119dea7b9b0df2a194d1d25d
[INFO] documenting pstlab/SeMiTONE against 1.99.0-beta.8 for beta-rustdoc-1.100
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpstlab%2FSeMiTONE" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pstlab/SeMiTONE
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/pstlab/SeMiTONE
[INFO] tweaked toml for git repo https://github.com/pstlab/SeMiTONE written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pstlab/SeMiTONE on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pstlab/SeMiTONE already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt v0.3.26
[INFO] [stderr]   Downloaded structopt-derive v0.4.18
[INFO] [stderr]   Downloaded strum_macros v0.21.1
[INFO] [stderr]   Downloaded strum v0.21.0
[INFO] [stderr]   Downloaded smt2parser v0.6.1
[INFO] [stderr]   Downloaded blake2-rfc v0.2.18
[INFO] [stderr]   Downloaded permutation_iterator v0.1.2
[INFO] [stderr]   Downloaded pomelo-impl v0.1.5
[INFO] [stderr]   Downloaded az v1.3.0
[INFO] [stderr]   Downloaded num v0.3.1
[INFO] [stderr]   Downloaded pomelo v0.1.5
[INFO] [stderr]   Downloaded num-bigint v0.3.3
[INFO] [stderr]   Downloaded rug v1.30.0
[INFO] [stderr]   Downloaded fst v0.4.7
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e4596a6b77daca2c1c4b53de08fb9cf5b24e0e33311d0e51eff01395f38acb7c
[INFO] running `Command { std: "docker" "start" "e4596a6b77daca2c1c4b53de08fb9cf5b24e0e33311d0e51eff01395f38acb7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4596a6b77daca2c1c4b53de08fb9cf5b24e0e33311d0e51eff01395f38acb7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e4596a6b77daca2c1c4b53de08fb9cf5b24e0e33311d0e51eff01395f38acb7c" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4596a6b77daca2c1c4b53de08fb9cf5b24e0e33311d0e51eff01395f38acb7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e4596a6b77daca2c1c4b53de08fb9cf5b24e0e33311d0e51eff01395f38acb7c" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.7.1
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]    Compiling rug v1.30.0
[INFO] [stderr]     Checking az v1.3.0
[INFO] [stderr]     Checking nu-ansi-term v0.50.3
[INFO] [stderr]     Checking smallvec v1.15.2
[INFO] [stderr]     Checking rustc-hash v2.1.3
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]     Checking tracing-subscriber v0.3.23
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]     Checking tracing v0.1.44
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "e4596a6b77daca2c1c4b53de08fb9cf5b24e0e33311d0e51eff01395f38acb7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4596a6b77daca2c1c4b53de08fb9cf5b24e0e33311d0e51eff01395f38acb7c", kill_on_drop: false }`
[INFO] [stdout] e4596a6b77daca2c1c4b53de08fb9cf5b24e0e33311d0e51eff01395f38acb7c