[INFO] cloning repository https://github.com/AtkinsChang/nix-fix-rustup
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AtkinsChang/nix-fix-rustup" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAtkinsChang%2Fnix-fix-rustup", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAtkinsChang%2Fnix-fix-rustup'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d3c710d477bcf45e029ba92f99ef03c2926fc40
[INFO] documenting AtkinsChang/nix-fix-rustup against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAtkinsChang%2Fnix-fix-rustup" "/workspace/builds/worker-104/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-104/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AtkinsChang/nix-fix-rustup on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-104/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/AtkinsChang/nix-fix-rustup
[INFO] finished tweaking git repo https://github.com/AtkinsChang/nix-fix-rustup
[INFO] tweaked toml for git repo https://github.com/AtkinsChang/nix-fix-rustup written to /workspace/builds/worker-104/source/Cargo.toml
[INFO] crate git repo https://github.com/AtkinsChang/nix-fix-rustup already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded snafu v0.6.10
[INFO] [stderr]   Downloaded structopt-derive v0.4.15
[INFO] [stderr]   Downloaded structopt v0.3.22
[INFO] [stderr]   Downloaded snafu-derive v0.6.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] baf3da1cbb13bcbffec09544ea04cd46f90d85ed1462db959822ee88824d3d8b
[INFO] running `Command { std: "docker" "start" "-a" "baf3da1cbb13bcbffec09544ea04cd46f90d85ed1462db959822ee88824d3d8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "baf3da1cbb13bcbffec09544ea04cd46f90d85ed1462db959822ee88824d3d8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baf3da1cbb13bcbffec09544ea04cd46f90d85ed1462db959822ee88824d3d8b", kill_on_drop: false }`
[INFO] [stdout] baf3da1cbb13bcbffec09544ea04cd46f90d85ed1462db959822ee88824d3d8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ba7ada97382b5e7d26a9d197a4fc8ab27c76241f52551700360d0fd1797dbb0
[INFO] running `Command { std: "docker" "start" "-a" "8ba7ada97382b5e7d26a9d197a4fc8ab27c76241f52551700360d0fd1797dbb0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]     Checking structopt v0.3.22
[INFO] [stderr]     Checking snafu v0.6.10
[INFO] [stderr]  Documenting nix-fix-rustup v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.95s
[INFO] running `Command { std: "docker" "inspect" "8ba7ada97382b5e7d26a9d197a4fc8ab27c76241f52551700360d0fd1797dbb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ba7ada97382b5e7d26a9d197a4fc8ab27c76241f52551700360d0fd1797dbb0", kill_on_drop: false }`
[INFO] [stdout] 8ba7ada97382b5e7d26a9d197a4fc8ab27c76241f52551700360d0fd1797dbb0