[INFO] fetching crate rusty-krab-manager 0.1.2...
[INFO] documenting rusty-krab-manager-0.1.2 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate rusty-krab-manager 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rusty-krab-manager 0.1.2 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rusty-krab-manager 0.1.2
[INFO] finished tweaking crates.io crate rusty-krab-manager 0.1.2
[INFO] tweaked toml for crates.io crate rusty-krab-manager 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate rusty-krab-manager 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 979f8e540ab27cd8f759b2692fd0667409da1c17c31b885781dd16662d447809
[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" "979f8e540ab27cd8f759b2692fd0667409da1c17c31b885781dd16662d447809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "979f8e540ab27cd8f759b2692fd0667409da1c17c31b885781dd16662d447809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "979f8e540ab27cd8f759b2692fd0667409da1c17c31b885781dd16662d447809", kill_on_drop: false }`
[INFO] [stdout] 979f8e540ab27cd8f759b2692fd0667409da1c17c31b885781dd16662d447809
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74ace56e446d0c92d79418b726fc128d4162c05022e4fc36516b1b704cf17f13
[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" "74ace56e446d0c92d79418b726fc128d4162c05022e4fc36516b1b704cf17f13", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling cpal v0.10.0
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking claxon v0.4.2
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling nom v5.0.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]     Checking ogg v0.7.0
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]     Checking slice-deque v0.2.4
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking termion v1.5.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking dirs v3.0.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking tui v0.9.5
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking minimp3 v0.3.3
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]     Checking config v0.10.1
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking rodio v0.10.0
[INFO] [stderr]  Documenting rusty-krab-manager v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.45s
[INFO] running `Command { std: "docker" "inspect" "74ace56e446d0c92d79418b726fc128d4162c05022e4fc36516b1b704cf17f13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74ace56e446d0c92d79418b726fc128d4162c05022e4fc36516b1b704cf17f13", kill_on_drop: false }`
[INFO] [stdout] 74ace56e446d0c92d79418b726fc128d4162c05022e4fc36516b1b704cf17f13