[INFO] fetching crate cargo-why 0.2.0...
[INFO] documenting cargo-why-0.2.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate cargo-why 0.2.0 into /workspace/builds/worker-34/source
[INFO] validating manifest of crates.io crate cargo-why 0.2.0 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] started tweaking crates.io crate cargo-why 0.2.0
[INFO] finished tweaking crates.io crate cargo-why 0.2.0
[INFO] tweaked toml for crates.io crate cargo-why 0.2.0 written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] crate crates.io crate cargo-why 0.2.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] adb63d0f43f66fdc1283d87a4cb623c601c32f8b33ea743d368cfb4668cb067f
[INFO] running `Command { std: "docker" "start" "-a" "adb63d0f43f66fdc1283d87a4cb623c601c32f8b33ea743d368cfb4668cb067f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adb63d0f43f66fdc1283d87a4cb623c601c32f8b33ea743d368cfb4668cb067f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adb63d0f43f66fdc1283d87a4cb623c601c32f8b33ea743d368cfb4668cb067f", kill_on_drop: false }`
[INFO] [stdout] adb63d0f43f66fdc1283d87a4cb623c601c32f8b33ea743d368cfb4668cb067f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] 32693335ecde61550071a7863736119d6ab8688d91f06c6fd9faf651f3dbbcd7
[INFO] running `Command { std: "docker" "start" "-a" "32693335ecde61550071a7863736119d6ab8688d91f06c6fd9faf651f3dbbcd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking cargo_metadata v0.9.1
[INFO] [stderr]  Documenting cargo-why v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.98s
[INFO] running `Command { std: "docker" "inspect" "32693335ecde61550071a7863736119d6ab8688d91f06c6fd9faf651f3dbbcd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32693335ecde61550071a7863736119d6ab8688d91f06c6fd9faf651f3dbbcd7", kill_on_drop: false }`
[INFO] [stdout] 32693335ecde61550071a7863736119d6ab8688d91f06c6fd9faf651f3dbbcd7