[INFO] cloning repository https://github.com/piebot3000/configrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/piebot3000/configrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpiebot3000%2Fconfigrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpiebot3000%2Fconfigrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 04850dce6a64fcd7fe947eb5dfa7410461ee257f
[INFO] documenting piebot3000/configrs against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpiebot3000%2Fconfigrs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/piebot3000/configrs
[INFO] finished tweaking git repo https://github.com/piebot3000/configrs
[INFO] tweaked toml for git repo https://github.com/piebot3000/configrs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/piebot3000/configrs on toolchain a394c9cd9ec93787f09a7ac445b14cc674a94549
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/piebot3000/configrs 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" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "fetch" "--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]  Downloading crates ...
[INFO] [stderr]   Downloaded edit v0.1.3
[INFO] [stderr]   Downloaded structopt v0.3.25
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a30f4ae22e0d847637e80122623ac7600642f1457c1cff7a9ac479db14cc64a4
[INFO] running `Command { std: "docker" "start" "-a" "a30f4ae22e0d847637e80122623ac7600642f1457c1cff7a9ac479db14cc64a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a30f4ae22e0d847637e80122623ac7600642f1457c1cff7a9ac479db14cc64a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a30f4ae22e0d847637e80122623ac7600642f1457c1cff7a9ac479db14cc64a4", kill_on_drop: false }`
[INFO] [stdout] a30f4ae22e0d847637e80122623ac7600642f1457c1cff7a9ac479db14cc64a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae6cb6795eca24e0495b4af7c2b4b99a85472cab48b418217246cf7d7bd102d0
[INFO] running `Command { std: "docker" "start" "-a" "ae6cb6795eca24e0495b4af7c2b4b99a85472cab48b418217246cf7d7bd102d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking ppv-lite86 v0.2.14
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking which v4.2.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking edit v0.1.3
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking confy v0.4.0
[INFO] [stderr]  Documenting configrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.01s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/configrs/index.html
[INFO] running `Command { std: "docker" "inspect" "ae6cb6795eca24e0495b4af7c2b4b99a85472cab48b418217246cf7d7bd102d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae6cb6795eca24e0495b4af7c2b4b99a85472cab48b418217246cf7d7bd102d0", kill_on_drop: false }`
[INFO] [stdout] ae6cb6795eca24e0495b4af7c2b4b99a85472cab48b418217246cf7d7bd102d0