[INFO] cloning repository https://github.com/vi/turnhammer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vi/turnhammer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvi%2Fturnhammer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvi%2Fturnhammer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f6e676ad7f71a1711cee67944ff73a74c2aec036
[INFO] documenting vi/turnhammer against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvi%2Fturnhammer" "/workspace/builds/worker-25/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vi/turnhammer on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vi/turnhammer
[INFO] finished tweaking git repo https://github.com/vi/turnhammer
[INFO] tweaked toml for git repo https://github.com/vi/turnhammer written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate git repo https://github.com/vi/turnhammer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-macro v0.3.16
[INFO] [stderr]   Downloaded futures-executor v0.3.16
[INFO] [stderr]   Downloaded unzip-n v0.1.2
[INFO] [stderr]   Downloaded futures-task v0.3.16
[INFO] [stderr]   Downloaded anyhow v1.0.42
[INFO] [stderr]   Downloaded libc v0.2.98
[INFO] [stderr]   Downloaded futures v0.3.16
[INFO] [stderr]   Downloaded memchr v2.4.0
[INFO] [stderr]   Downloaded futures-core v0.3.16
[INFO] [stderr]   Downloaded trackable_derive v1.0.0
[INFO] [stderr]   Downloaded trackable v0.2.24
[INFO] [stderr]   Downloaded argh_derive v0.1.5
[INFO] [stderr]   Downloaded trackable v1.2.0
[INFO] [stderr]   Downloaded bytecodec v0.4.15
[INFO] [stderr]   Downloaded build_const v0.2.2
[INFO] [stderr]   Downloaded md5 v0.7.0
[INFO] [stderr]   Downloaded crc v1.8.1
[INFO] [stderr]   Downloaded argh_shared v0.1.5
[INFO] [stderr]   Downloaded hmac-sha1 v0.1.3
[INFO] [stderr]   Downloaded futures-io v0.3.16
[INFO] [stderr]   Downloaded futures-sink v0.3.16
[INFO] [stderr]   Downloaded tokio-macros v1.3.0
[INFO] [stderr]   Downloaded stun_codec v0.1.13
[INFO] [stderr]   Downloaded spin_sleep v1.0.0
[INFO] [stderr]   Downloaded tokio-stream v0.1.7
[INFO] [stderr]   Downloaded syn v1.0.74
[INFO] [stderr]   Downloaded mio v0.7.13
[INFO] [stderr]   Downloaded futures-util v0.3.16
[INFO] [stderr]   Downloaded sha1 v0.2.0
[INFO] [stderr]   Downloaded argh v0.1.5
[INFO] [stderr]   Downloaded futures-channel v0.3.16
[INFO] [stderr]   Downloaded stunclient v0.3.0
[INFO] [stderr]   Downloaded slab_typesafe v0.1.3
[INFO] [stderr]   Downloaded tokio v1.9.0
[INFO] [stderr]   Downloaded turnclient v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2750d0470f0eafc07f11374005fef1f0b21ba3279507ac8a304a3884029899c4
[INFO] running `Command { std: "docker" "start" "-a" "2750d0470f0eafc07f11374005fef1f0b21ba3279507ac8a304a3884029899c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2750d0470f0eafc07f11374005fef1f0b21ba3279507ac8a304a3884029899c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2750d0470f0eafc07f11374005fef1f0b21ba3279507ac8a304a3884029899c4", kill_on_drop: false }`
[INFO] [stdout] 2750d0470f0eafc07f11374005fef1f0b21ba3279507ac8a304a3884029899c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cff4ae3e3dc3c18a48467ac77ca866d184f581f0a987348cb4fd9d2ff109076e
[INFO] running `Command { std: "docker" "start" "-a" "cff4ae3e3dc3c18a48467ac77ca866d184f581f0a987348cb4fd9d2ff109076e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking sha1 v0.2.0
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking spin_sleep v1.0.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking slab_typesafe v0.1.3
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]    Compiling argh_derive v0.1.5
[INFO] [stderr]    Compiling unzip-n v0.1.2
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking hmac-sha1 v0.1.3
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]     Checking trackable v1.2.0
[INFO] [stderr]     Checking argh v0.1.5
[INFO] [stderr]     Checking trackable v0.2.24
[INFO] [stderr]     Checking bytecodec v0.4.15
[INFO] [stderr]     Checking tokio-stream v0.1.7
[INFO] [stderr]     Checking stun_codec v0.1.13
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking turnclient v0.4.0
[INFO] [stderr]     Checking stunclient v0.3.0
[INFO] [stderr]  Documenting turnhammer v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.26s
[INFO] running `Command { std: "docker" "inspect" "cff4ae3e3dc3c18a48467ac77ca866d184f581f0a987348cb4fd9d2ff109076e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cff4ae3e3dc3c18a48467ac77ca866d184f581f0a987348cb4fd9d2ff109076e", kill_on_drop: false }`
[INFO] [stdout] cff4ae3e3dc3c18a48467ac77ca866d184f581f0a987348cb4fd9d2ff109076e