[INFO] cloning repository https://github.com/koshkin-kna/rust-learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/koshkin-kna/rust-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkoshkin-kna%2Frust-learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkoshkin-kna%2Frust-learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c7a0e3513e67fcc84f652742de2f10b5d159f72
[INFO] documenting koshkin-kna/rust-learn 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%2Fkoshkin-kna%2Frust-learn" "/workspace/builds/worker-32/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-32/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/koshkin-kna/rust-learn 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/koshkin-kna/rust-learn
[INFO] finished tweaking git repo https://github.com/koshkin-kna/rust-learn
[INFO] tweaked toml for git repo https://github.com/koshkin-kna/rust-learn written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] crate git repo https://github.com/koshkin-kna/rust-learn 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded inflate v0.4.2
[INFO] [stderr]   Downloaded syn v0.14.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] 36fec0719fc2ee053ca82d9060bbe013e5ca233969e0c2ff8f4f40f8a16cbd79
[INFO] running `Command { std: "docker" "start" "-a" "36fec0719fc2ee053ca82d9060bbe013e5ca233969e0c2ff8f4f40f8a16cbd79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36fec0719fc2ee053ca82d9060bbe013e5ca233969e0c2ff8f4f40f8a16cbd79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36fec0719fc2ee053ca82d9060bbe013e5ca233969e0c2ff8f4f40f8a16cbd79", kill_on_drop: false }`
[INFO] [stdout] 36fec0719fc2ee053ca82d9060bbe013e5ca233969e0c2ff8f4f40f8a16cbd79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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] d97d966aad86db40cf883d74ada3dc8910fcc4df1b74de1f343718bc422342ff
[INFO] running `Command { std: "docker" "start" "-a" "d97d966aad86db40cf883d74ada3dc8910fcc4df1b74de1f343718bc422342ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]     Checking adler32 v1.0.2
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]     Checking gif v0.10.0
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking inflate v0.4.2
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]  Documenting learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.07s
[INFO] running `Command { std: "docker" "inspect" "d97d966aad86db40cf883d74ada3dc8910fcc4df1b74de1f343718bc422342ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d97d966aad86db40cf883d74ada3dc8910fcc4df1b74de1f343718bc422342ff", kill_on_drop: false }`
[INFO] [stdout] d97d966aad86db40cf883d74ada3dc8910fcc4df1b74de1f343718bc422342ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 84ba5e0437c03f2b236fb849e39e574020febe9c528e3bc921a1b9c0e4462c44
[INFO] running `Command { std: "docker" "start" "-a" "84ba5e0437c03f2b236fb849e39e574020febe9c528e3bc921a1b9c0e4462c44", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]     Checking adler32 v1.0.2
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking inflate v0.4.2
[INFO] [stderr]     Checking gif v0.10.0
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]  Documenting learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.00s
[INFO] running `Command { std: "docker" "inspect" "84ba5e0437c03f2b236fb849e39e574020febe9c528e3bc921a1b9c0e4462c44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84ba5e0437c03f2b236fb849e39e574020febe9c528e3bc921a1b9c0e4462c44", kill_on_drop: false }`
[INFO] [stdout] 84ba5e0437c03f2b236fb849e39e574020febe9c528e3bc921a1b9c0e4462c44