[INFO] fetching crate cavif 0.2.0...
[INFO] documenting cavif-0.2.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate cavif 0.2.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate cavif 0.2.0 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 cavif 0.2.0
[INFO] finished tweaking crates.io crate cavif 0.2.0
[INFO] tweaked toml for crates.io crate cavif 0.2.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate cavif 0.2.0 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 pico-args v0.3.4
[INFO] [stderr]   Downloaded y4m v0.5.3
[INFO] [stderr]   Downloaded rgb v0.8.24
[INFO] [stderr]   Downloaded nasm-rs v0.1.7
[INFO] [stderr]   Downloaded arbitrary v0.2.0
[INFO] [stderr]   Downloaded lodepng v3.2.1
[INFO] [stderr]   Downloaded simd_helpers v0.1.0
[INFO] [stderr]   Downloaded ivf v0.1.0
[INFO] [stderr]   Downloaded noop_proc_macro v0.2.1
[INFO] [stderr]   Downloaded imgref v1.7.0
[INFO] [stderr]   Downloaded scan_fmt v0.2.5
[INFO] [stderr]   Downloaded rav1e v0.3.3
[INFO] [stderr]   Downloaded arg_enum_proc_macro v0.3.0
[INFO] [stderr]   Downloaded interpolate_name v0.2.3
[INFO] [stderr]   Downloaded bitstream-io v0.8.5
[INFO] [stderr]   Downloaded cocoa_image v1.0.4
[INFO] [stderr]   Downloaded avif-serialize v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] f29f6698e1fb385d302e546d47dd6df2752f1c69de0d48363f0e82611fc3de79
[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" "f29f6698e1fb385d302e546d47dd6df2752f1c69de0d48363f0e82611fc3de79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f29f6698e1fb385d302e546d47dd6df2752f1c69de0d48363f0e82611fc3de79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f29f6698e1fb385d302e546d47dd6df2752f1c69de0d48363f0e82611fc3de79", kill_on_drop: false }`
[INFO] [stdout] f29f6698e1fb385d302e546d47dd6df2752f1c69de0d48363f0e82611fc3de79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] 0a4de44b0d6bf062a448c0c3f0d4cf6bead98809d39a232b7f90960e63d1f912
[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" "0a4de44b0d6bf062a448c0c3f0d4cf6bead98809d39a232b7f90960e63d1f912", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking bitstream-io v0.8.5
[INFO] [stderr]     Checking scan_fmt v0.2.5
[INFO] [stderr]    Compiling noop_proc_macro v0.2.1
[INFO] [stderr]     Checking y4m v0.5.3
[INFO] [stderr]     Checking imgref v1.7.0
[INFO] [stderr]     Checking pico-args v0.3.4
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking rgb v0.8.24
[INFO] [stderr]     Checking avif-serialize v0.6.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling rayon v1.4.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]     Checking fern v0.6.0
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking ivf v0.1.0
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crossbeam-channel v0.4.3
[INFO] [stderr]    Compiling chrono v0.4.15
[INFO] [stderr]     Checking lodepng v3.2.1
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling rayon-core v1.8.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling vergen v3.1.0
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking nasm-rs v0.1.7
[INFO] [stderr]    Compiling rav1e v0.3.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling num-derive v0.3.2
[INFO] [stderr]    Compiling arg_enum_proc_macro v0.3.0
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]  Documenting cavif v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 36s
[INFO] running `Command { std: "docker" "inspect" "0a4de44b0d6bf062a448c0c3f0d4cf6bead98809d39a232b7f90960e63d1f912", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a4de44b0d6bf062a448c0c3f0d4cf6bead98809d39a232b7f90960e63d1f912", kill_on_drop: false }`
[INFO] [stdout] 0a4de44b0d6bf062a448c0c3f0d4cf6bead98809d39a232b7f90960e63d1f912