[INFO] fetching crate barfs 0.1.1...
[INFO] documenting barfs-0.1.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate barfs 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate barfs 0.1.1 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 barfs 0.1.1
[INFO] finished tweaking crates.io crate barfs 0.1.1
[INFO] tweaked toml for crates.io crate barfs 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate barfs 0.1.1 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 520db1511c3f1bf7e96bd638863539898a89560c2d0d8406a3a657a69fcb9010
[INFO] running `Command { std: "docker" "start" "-a" "520db1511c3f1bf7e96bd638863539898a89560c2d0d8406a3a657a69fcb9010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "520db1511c3f1bf7e96bd638863539898a89560c2d0d8406a3a657a69fcb9010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "520db1511c3f1bf7e96bd638863539898a89560c2d0d8406a3a657a69fcb9010", kill_on_drop: false }`
[INFO] [stdout] 520db1511c3f1bf7e96bd638863539898a89560c2d0d8406a3a657a69fcb9010
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] f28e888c5deb06bbe1594a5b02185834301f49df0d4074416e94614547f92dc2
[INFO] running `Command { std: "docker" "start" "-a" "f28e888c5deb06bbe1594a5b02185834301f49df0d4074416e94614547f92dc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.78.0
[INFO] [stderr]    Compiling cranelift-entity v0.78.0
[INFO] [stderr]    Compiling target-lexicon v0.12.2
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling anyhow v1.0.45
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.78.0
[INFO] [stderr]     Checking cranelift-bforest v0.78.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking regalloc v0.0.32
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling cranelift-codegen v0.78.0
[INFO] [stderr]     Checking cranelift-frontend v0.78.0
[INFO] [stderr]     Checking cranelift-native v0.78.0
[INFO] [stderr]     Checking cranelift-module v0.78.0
[INFO] [stderr]     Checking cranelift-jit v0.78.0
[INFO] [stderr]     Checking cranelift v0.78.0
[INFO] [stderr]  Documenting barfs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.04s
[INFO] running `Command { std: "docker" "inspect" "f28e888c5deb06bbe1594a5b02185834301f49df0d4074416e94614547f92dc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f28e888c5deb06bbe1594a5b02185834301f49df0d4074416e94614547f92dc2", kill_on_drop: false }`
[INFO] [stdout] f28e888c5deb06bbe1594a5b02185834301f49df0d4074416e94614547f92dc2