[INFO] cloning repository https://github.com/colinbdclark/libflock-cpal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/colinbdclark/libflock-cpal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolinbdclark%2Flibflock-cpal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolinbdclark%2Flibflock-cpal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c437733fe7309f181863a04d7fc23f2bbb4b054f
[INFO] documenting colinbdclark/libflock-cpal against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolinbdclark%2Flibflock-cpal" "/workspace/builds/worker-22/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/colinbdclark/libflock-cpal 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] started tweaking git repo https://github.com/colinbdclark/libflock-cpal
[INFO] finished tweaking git repo https://github.com/colinbdclark/libflock-cpal
[INFO] tweaked toml for git repo https://github.com/colinbdclark/libflock-cpal written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate git repo https://github.com/colinbdclark/libflock-cpal 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-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] d47657ee057fba45ba2f44cc31fa13f0db63a6d50c43a75c1f191cf4df406494
[INFO] running `Command { std: "docker" "start" "-a" "d47657ee057fba45ba2f44cc31fa13f0db63a6d50c43a75c1f191cf4df406494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d47657ee057fba45ba2f44cc31fa13f0db63a6d50c43a75c1f191cf4df406494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d47657ee057fba45ba2f44cc31fa13f0db63a6d50c43a75c1f191cf4df406494", kill_on_drop: false }`
[INFO] [stdout] d47657ee057fba45ba2f44cc31fa13f0db63a6d50c43a75c1f191cf4df406494
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 8cbc7e5907a24c301635a892f562afee70d17b802c231894e40eabebb7487101
[INFO] running `Command { std: "docker" "start" "-a" "8cbc7e5907a24c301635a892f562afee70d17b802c231894e40eabebb7487101", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling cpal v0.13.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking jack-sys v0.2.2
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking jack v0.6.6
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking alsa v0.5.0
[INFO] [stderr]    Compiling merge_derive v0.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking merge v0.1.0
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking flocking v0.0.1 (/opt/rustwide/workdir/flocking)
[INFO] [stderr]  Documenting flocking v0.0.1 (/opt/rustwide/workdir/flocking)
[INFO] [stderr]  Documenting flocking_cpal v0.0.1 (/opt/rustwide/workdir/flocking_cpal)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.40s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: jack v0.6.6
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "8cbc7e5907a24c301635a892f562afee70d17b802c231894e40eabebb7487101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cbc7e5907a24c301635a892f562afee70d17b802c231894e40eabebb7487101", kill_on_drop: false }`
[INFO] [stdout] 8cbc7e5907a24c301635a892f562afee70d17b802c231894e40eabebb7487101
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "RUSTFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 778079dc74f815ff91c83de7dde9fae97f5e29cfbd5fcf9af28ced4c51ba9a17
[INFO] running `Command { std: "docker" "start" "-a" "778079dc74f815ff91c83de7dde9fae97f5e29cfbd5fcf9af28ced4c51ba9a17", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "778079dc74f815ff91c83de7dde9fae97f5e29cfbd5fcf9af28ced4c51ba9a17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "778079dc74f815ff91c83de7dde9fae97f5e29cfbd5fcf9af28ced4c51ba9a17", kill_on_drop: false }`
[INFO] [stdout] 778079dc74f815ff91c83de7dde9fae97f5e29cfbd5fcf9af28ced4c51ba9a17