[INFO] fetching crate cargo-smol 0.2.0...
[INFO] documenting cargo-smol-0.2.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate cargo-smol 0.2.0 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate cargo-smol 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-smol 0.2.0
[INFO] finished tweaking crates.io crate cargo-smol 0.2.0
[INFO] tweaked toml for crates.io crate cargo-smol 0.2.0 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate crates.io crate cargo-smol 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-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] c3c3338a4b8895f5cd2a8c1f5b9f0d43689ec7b211762ff44df397525c1a1a5c
[INFO] running `Command { std: "docker" "start" "-a" "c3c3338a4b8895f5cd2a8c1f5b9f0d43689ec7b211762ff44df397525c1a1a5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3c3338a4b8895f5cd2a8c1f5b9f0d43689ec7b211762ff44df397525c1a1a5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3c3338a4b8895f5cd2a8c1f5b9f0d43689ec7b211762ff44df397525c1a1a5c", kill_on_drop: false }`
[INFO] [stdout] c3c3338a4b8895f5cd2a8c1f5b9f0d43689ec7b211762ff44df397525c1a1a5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] dcdc3026c960f20be3830db3ecdd6955bcd5a2db2cc279df5299610e984dc772
[INFO] running `Command { std: "docker" "start" "-a" "dcdc3026c960f20be3830db3ecdd6955bcd5a2db2cc279df5299610e984dc772", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]  Documenting cargo-smol v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.94s
[INFO] running `Command { std: "docker" "inspect" "dcdc3026c960f20be3830db3ecdd6955bcd5a2db2cc279df5299610e984dc772", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcdc3026c960f20be3830db3ecdd6955bcd5a2db2cc279df5299610e984dc772", kill_on_drop: false }`
[INFO] [stdout] dcdc3026c960f20be3830db3ecdd6955bcd5a2db2cc279df5299610e984dc772