[INFO] cloning repository https://github.com/kl/sub-batch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kl/sub-batch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkl%2Fsub-batch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkl%2Fsub-batch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 90800c2eca10b1403b37105eb0ee173e4545b660
[INFO] documenting kl/sub-batch 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%2Fkl%2Fsub-batch" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kl/sub-batch 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/kl/sub-batch
[INFO] finished tweaking git repo https://github.com/kl/sub-batch
[INFO] tweaked toml for git repo https://github.com/kl/sub-batch written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/kl/sub-batch 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 anyhow v1.0.53
[INFO] [stderr]   Downloaded termtree v0.2.4
[INFO] [stderr]   Downloaded difflib v0.4.0
[INFO] [stderr]   Downloaded predicates v2.1.1
[INFO] [stderr]   Downloaded ascii v0.7.1
[INFO] [stderr]   Downloaded spinning v0.1.0
[INFO] [stderr]   Downloaded intmap v0.7.1
[INFO] [stderr]   Downloaded predicates-core v1.0.3
[INFO] [stderr]   Downloaded predicates-tree v1.0.5
[INFO] [stderr]   Downloaded assert_cmd v2.0.4
[INFO] [stderr]   Downloaded ctrlc v3.2.1
[INFO] [stderr]   Downloaded vobsub v0.2.3
[INFO] [stderr]   Downloaded subparse v0.7.0
[INFO] [stderr]   Downloaded interprocess v1.1.1
[INFO] [stderr]   Downloaded signal-hook-mio v0.2.1
[INFO] [stderr]   Downloaded chardet v0.2.4
[INFO] [stderr]   Downloaded combine v2.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 687cf9c6d73f4b5f3adc2f8c2cb5edb2281221ba5d59f58512c69824ce633855
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "687cf9c6d73f4b5f3adc2f8c2cb5edb2281221ba5d59f58512c69824ce633855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "687cf9c6d73f4b5f3adc2f8c2cb5edb2281221ba5d59f58512c69824ce633855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "687cf9c6d73f4b5f3adc2f8c2cb5edb2281221ba5d59f58512c69824ce633855", kill_on_drop: false }`
[INFO] [stdout] 687cf9c6d73f4b5f3adc2f8c2cb5edb2281221ba5d59f58512c69824ce633855
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 29bc43289d782dc6e798464b30d10ba9d72d852b072c63733fce25da782ed5d7
[INFO] running `Command { std: "docker" "start" "-a" "29bc43289d782dc6e798464b30d10ba9d72d852b072c63733fce25da782ed5d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.113
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]     Checking futures-sink v0.3.19
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]     Checking nom v2.1.0
[INFO] [stderr]     Checking chardet v0.2.4
[INFO] [stderr]     Checking intmap v0.7.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking crossbeam-utils v0.8.6
[INFO] [stderr]     Checking spinning v0.1.0
[INFO] [stderr]     Checking encoding_rs v0.8.30
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking combine v2.5.2
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking crossbeam-epoch v0.9.6
[INFO] [stderr]     Checking blocking v1.1.0
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num-iter v0.1.42
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking image v0.13.0
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking futures-util v0.3.19
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking which v4.2.2
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking signal-hook v0.3.13
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking signal-hook-mio v0.2.1
[INFO] [stderr]     Checking crossterm v0.22.1
[INFO] [stderr]     Checking vobsub v0.2.3
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking subparse v0.7.0
[INFO] [stderr]     Checking futures-executor v0.3.19
[INFO] [stderr]     Checking futures v0.3.19
[INFO] [stderr]     Checking interprocess v1.1.1
[INFO] [stderr]     Checking ctrlc v3.2.1
[INFO] [stderr]  Documenting sub-batch v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "29bc43289d782dc6e798464b30d10ba9d72d852b072c63733fce25da782ed5d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29bc43289d782dc6e798464b30d10ba9d72d852b072c63733fce25da782ed5d7", kill_on_drop: false }`
[INFO] [stdout] 29bc43289d782dc6e798464b30d10ba9d72d852b072c63733fce25da782ed5d7