[INFO] cloning repository https://github.com/Datoclement/rust_postfix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Datoclement/rust_postfix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDatoclement%2Frust_postfix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDatoclement%2Frust_postfix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 75cf491113acdbd235e26fbb13802ea7a261292a
[INFO] documenting Datoclement/rust_postfix 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%2FDatoclement%2Frust_postfix" "/workspace/builds/worker-37/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-37/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Datoclement/rust_postfix 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/Datoclement/rust_postfix
[INFO] finished tweaking git repo https://github.com/Datoclement/rust_postfix
[INFO] tweaked toml for git repo https://github.com/Datoclement/rust_postfix written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] crate git repo https://github.com/Datoclement/rust_postfix 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]  Downloading crates ...
[INFO] [stderr]   Downloaded strum v0.24.0
[INFO] [stderr]   Downloaded smawk v0.3.1
[INFO] [stderr]   Downloaded smallvec v0.4.5
[INFO] [stderr]   Downloaded textwrap v0.13.4
[INFO] [stderr]   Downloaded strum_macros v0.24.0
[INFO] [stderr]   Downloaded ferris-says v0.2.1
[INFO] [stderr]   Downloaded random-string v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 62984ca9dafd9d735e2078ef45fb23ba3618807b2c273e1bada63a80e0ab8570
[INFO] running `Command { std: "docker" "start" "-a" "62984ca9dafd9d735e2078ef45fb23ba3618807b2c273e1bada63a80e0ab8570", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62984ca9dafd9d735e2078ef45fb23ba3618807b2c273e1bada63a80e0ab8570", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62984ca9dafd9d735e2078ef45fb23ba3618807b2c273e1bada63a80e0ab8570", kill_on_drop: false }`
[INFO] [stdout] 62984ca9dafd9d735e2078ef45fb23ba3618807b2c273e1bada63a80e0ab8570
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 8a209c3912187c929e8ecf5b914cd6f18920c3064d8076291ca432d71b470ad7
[INFO] running `Command { std: "docker" "start" "-a" "8a209c3912187c929e8ecf5b914cd6f18920c3064d8076291ca432d71b470ad7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]     Checking smawk v0.3.1
[INFO] [stderr]     Checking smallvec v0.4.5
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]     Checking strum v0.24.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking random-string v1.0.0
[INFO] [stderr]     Checking textwrap v0.13.4
[INFO] [stderr]     Checking ferris-says v0.2.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling strum_macros v0.24.0
[INFO] [stderr]  Documenting hello-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.93s
[INFO] running `Command { std: "docker" "inspect" "8a209c3912187c929e8ecf5b914cd6f18920c3064d8076291ca432d71b470ad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a209c3912187c929e8ecf5b914cd6f18920c3064d8076291ca432d71b470ad7", kill_on_drop: false }`
[INFO] [stdout] 8a209c3912187c929e8ecf5b914cd6f18920c3064d8076291ca432d71b470ad7