[INFO] fetching crate cargo-smol 0.2.0...
[INFO] documenting cargo-smol-0.2.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate cargo-smol 0.2.0 into /workspace/builds/worker-53/source
[INFO] validating manifest of crates.io crate cargo-smol 0.2.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-53/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-2021-08-01" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded numtoa v0.1.0
[INFO] [stderr]   Downloaded cc v1.0.38
[INFO] [stderr]   Downloaded serde v1.0.98
[INFO] [stderr]   Downloaded syn v0.15.42
[INFO] [stderr]   Downloaded dirs-sys v0.3.4
[INFO] [stderr]   Downloaded chrono v0.4.10
[INFO] [stderr]   Downloaded serde_derive v1.0.98
[INFO] [stderr]   Downloaded winapi v0.3.7
[INFO] [stderr]   Downloaded libc v0.2.60
[INFO] [stderr]   Downloaded arrayvec v0.4.11
[INFO] [stderr]   Downloaded rustc-demangle v0.1.15
[INFO] [stderr]   Downloaded termion v1.5.3
[INFO] [stderr]   Downloaded backtrace v0.3.34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d974a0c0d76aed450d1ab1423adceef458a372ebc644c89e10b1f1a6fd2b65f0
[INFO] running `Command { std: "docker" "start" "-a" "d974a0c0d76aed450d1ab1423adceef458a372ebc644c89e10b1f1a6fd2b65f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d974a0c0d76aed450d1ab1423adceef458a372ebc644c89e10b1f1a6fd2b65f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d974a0c0d76aed450d1ab1423adceef458a372ebc644c89e10b1f1a6fd2b65f0", kill_on_drop: false }`
[INFO] [stdout] d974a0c0d76aed450d1ab1423adceef458a372ebc644c89e10b1f1a6fd2b65f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7902e6cc38516ee8728080a51cb9876fd451fa74401664bd98b9e2cd98d95672
[INFO] running `Command { std: "docker" "start" "-a" "7902e6cc38516ee8728080a51cb9876fd451fa74401664bd98b9e2cd98d95672", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]     Checking cfg-if v0.1.9
[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]     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 19.76s
[INFO] running `Command { std: "docker" "inspect" "7902e6cc38516ee8728080a51cb9876fd451fa74401664bd98b9e2cd98d95672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7902e6cc38516ee8728080a51cb9876fd451fa74401664bd98b9e2cd98d95672", kill_on_drop: false }`
[INFO] [stdout] 7902e6cc38516ee8728080a51cb9876fd451fa74401664bd98b9e2cd98d95672
