[INFO] fetching crate melody 0.3.0...
[INFO] documenting melody-0.3.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate melody 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate melody 0.3.0 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 melody 0.3.0
[INFO] finished tweaking crates.io crate melody 0.3.0
[INFO] tweaked toml for crates.io crate melody 0.3.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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 crossterm_input v0.3.9
[INFO] [stderr]   Downloaded id3 v0.3.0
[INFO] [stderr]   Downloaded crossterm_cursor v0.2.6
[INFO] [stderr]   Downloaded crossterm_style v0.3.3
[INFO] [stderr]   Downloaded crossterm_terminal v0.2.6
[INFO] [stderr]   Downloaded crossterm_screen v0.2.5
[INFO] [stderr]   Downloaded mp3-duration v0.1.10
[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] 082edc58aa996a71957dc01c3040cb52102e35b6388d702f5022da3b3a3707e7
[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" "082edc58aa996a71957dc01c3040cb52102e35b6388d702f5022da3b3a3707e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "082edc58aa996a71957dc01c3040cb52102e35b6388d702f5022da3b3a3707e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "082edc58aa996a71957dc01c3040cb52102e35b6388d702f5022da3b3a3707e7", kill_on_drop: false }`
[INFO] [stdout] 082edc58aa996a71957dc01c3040cb52102e35b6388d702f5022da3b3a3707e7
[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] [stdout] 1a0cfc66b3fe4c07c6aeb65c3363312af3e007feb8e8f22f43bee332e9ed4648
[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" "1a0cfc66b3fe4c07c6aeb65c3363312af3e007feb8e8f22f43bee332e9ed4648", kill_on_drop: false }`
[INFO] [stderr]     Checking claxon v0.3.3
[INFO] [stderr]     Checking number_prefix v0.2.8
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]     Checking crossterm_utils v0.2.4
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]     Checking cpal v0.8.2
[INFO] [stderr]     Checking os_type v2.2.0
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking cgmath v0.14.1
[INFO] [stderr]     Checking crossterm_screen v0.2.5
[INFO] [stderr]     Checking crossterm_cursor v0.2.6
[INFO] [stderr]     Checking crossterm_style v0.3.3
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking console v0.12.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking crossterm_input v0.3.9
[INFO] [stderr]     Checking crossterm_terminal v0.2.6
[INFO] [stderr]     Checking human-panic v1.0.3
[INFO] [stderr]     Checking crossterm v0.9.6
[INFO] [stderr]     Checking indicatif v0.11.0
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking mp3-duration v0.1.10
[INFO] [stderr]     Checking rodio v0.8.1
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling derive_builder_core v0.5.0
[INFO] [stderr]    Compiling derive_builder v0.7.2
[INFO] [stderr]     Checking id3 v0.3.0
[INFO] [stderr]  Documenting melody v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.07s
[INFO] running `Command { std: "docker" "inspect" "1a0cfc66b3fe4c07c6aeb65c3363312af3e007feb8e8f22f43bee332e9ed4648", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a0cfc66b3fe4c07c6aeb65c3363312af3e007feb8e8f22f43bee332e9ed4648", kill_on_drop: false }`
[INFO] [stdout] 1a0cfc66b3fe4c07c6aeb65c3363312af3e007feb8e8f22f43bee332e9ed4648