[INFO] fetching crate favocon 1.1.0...
[INFO] documenting favocon-1.1.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate favocon 1.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate favocon 1.1.0 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate favocon 1.1.0
[INFO] finished tweaking crates.io crate favocon 1.1.0
[INFO] tweaked toml for crates.io crate favocon 1.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate favocon 1.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ico v0.1.0
[INFO] [stderr]   Downloaded strum_macros v0.8.0
[INFO] [stderr]   Downloaded console v0.7.5
[INFO] [stderr]   Downloaded strum v0.8.0
[INFO] [stderr]   Downloaded spinner v0.4.0
[INFO] [stderr]   Downloaded spinners v1.0.0
[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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a987986c97c75e5c977b7ec471cf815bbc723970bb7fa77e2385a7c7a934be88
[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" "a987986c97c75e5c977b7ec471cf815bbc723970bb7fa77e2385a7c7a934be88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a987986c97c75e5c977b7ec471cf815bbc723970bb7fa77e2385a7c7a934be88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a987986c97c75e5c977b7ec471cf815bbc723970bb7fa77e2385a7c7a934be88", kill_on_drop: false }`
[INFO] [stdout] a987986c97c75e5c977b7ec471cf815bbc723970bb7fa77e2385a7c7a934be88
[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" "+beta-2020-08-29" "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] 2d20952aaf32c2455cb80928ed2a4bc26e595b4ccf55bbe40cbbc539e9733999
[INFO] running `Command { std: "docker" "start" "-a" "2d20952aaf32c2455cb80928ed2a4bc26e595b4ccf55bbe40cbbc539e9733999", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]     Checking strum v0.8.0
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking inflate v0.3.4
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling strum_macros v0.8.0
[INFO] [stderr]     Checking term v0.2.14
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking spinner v0.4.0
[INFO] [stderr]     Checking ico v0.1.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clicolors-control v1.0.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking spinners v1.0.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking console v0.7.5
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.1
[INFO] [stderr]  Documenting favocon v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.66s
[INFO] running `Command { std: "docker" "inspect" "2d20952aaf32c2455cb80928ed2a4bc26e595b4ccf55bbe40cbbc539e9733999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d20952aaf32c2455cb80928ed2a4bc26e595b4ccf55bbe40cbbc539e9733999", kill_on_drop: false }`
[INFO] [stdout] 2d20952aaf32c2455cb80928ed2a4bc26e595b4ccf55bbe40cbbc539e9733999