[INFO] fetching crate plmidi 0.10.0...
[INFO] documenting plmidi-0.10.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate plmidi 0.10.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate plmidi 0.10.0 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] started tweaking crates.io crate plmidi 0.10.0
[INFO] finished tweaking crates.io crate plmidi 0.10.0
[INFO] tweaked toml for crates.io crate plmidi 0.10.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate plmidi 0.10.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--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-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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75cc9af29dcc3383de83f24a1d7355b14813fbe4e803c1fd4b476d137fe06e80
[INFO] running `Command { std: "docker" "start" "-a" "75cc9af29dcc3383de83f24a1d7355b14813fbe4e803c1fd4b476d137fe06e80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75cc9af29dcc3383de83f24a1d7355b14813fbe4e803c1fd4b476d137fe06e80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75cc9af29dcc3383de83f24a1d7355b14813fbe4e803c1fd4b476d137fe06e80", kill_on_drop: false }`
[INFO] [stdout] 75cc9af29dcc3383de83f24a1d7355b14813fbe4e803c1fd4b476d137fe06e80
[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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 165417a39598ed32fa89bd932b496aa635dbaa1071981a8360206a3e84aba29a
[INFO] running `Command { std: "docker" "start" "-a" "165417a39598ed32fa89bd932b496aa635dbaa1071981a8360206a3e84aba29a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]     Checking memalloc v0.1.0
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]     Checking log v0.4.17
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking simple_logger v2.1.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking clap v3.1.18
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking crossterm v0.23.2
[INFO] [stderr]     Checking alsa v0.6.0
[INFO] [stderr]     Checking midly v0.5.2
[INFO] [stderr]     Checking midir v0.8.0
[INFO] [stderr]     Checking nodi v0.15.2
[INFO] [stderr]  Documenting plmidi v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.42s
[INFO] running `Command { std: "docker" "inspect" "165417a39598ed32fa89bd932b496aa635dbaa1071981a8360206a3e84aba29a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "165417a39598ed32fa89bd932b496aa635dbaa1071981a8360206a3e84aba29a", kill_on_drop: false }`
[INFO] [stdout] 165417a39598ed32fa89bd932b496aa635dbaa1071981a8360206a3e84aba29a