[INFO] cloning repository https://github.com/demostf/sync-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/demostf/sync-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdemostf%2Fsync-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdemostf%2Fsync-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e2058fa5c926e374b3001ea71392d8b14a9678c
[INFO] documenting demostf/sync-rs against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdemostf%2Fsync-rs" "/workspace/builds/worker-31/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-31/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/demostf/sync-rs on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/demostf/sync-rs
[INFO] finished tweaking git repo https://github.com/demostf/sync-rs
[INFO] tweaked toml for git repo https://github.com/demostf/sync-rs written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate git repo https://github.com/demostf/sync-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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 tempfile v3.3.0
[INFO] [stderr]   Downloaded security-framework v2.5.0
[INFO] [stderr]   Downloaded native-tls v0.2.8
[INFO] [stderr]   Downloaded openssl v0.10.38
[INFO] [stderr]   Downloaded core-foundation v0.9.2
[INFO] [stderr]   Downloaded tokio-util v0.6.9
[INFO] [stderr]   Downloaded portpicker v0.1.1
[INFO] [stderr]   Downloaded serde_derive v1.0.135
[INFO] [stderr]   Downloaded serde v1.0.135
[INFO] [stderr]   Downloaded serde_json v1.0.78
[INFO] [stderr]   Downloaded parity-ws v0.11.1
[INFO] [stderr]   Downloaded sha-1 v0.8.2
[INFO] [stderr]   Downloaded futures-task v0.3.19
[INFO] [stderr]   Downloaded terminal_size v0.1.17
[INFO] [stderr]   Downloaded console v0.15.0
[INFO] [stderr]   Downloaded futures-io v0.3.19
[INFO] [stderr]   Downloaded futures-macro v0.3.19
[INFO] [stderr]   Downloaded security-framework-sys v2.5.0
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[INFO] [stderr]   Downloaded futures-executor v0.3.19
[INFO] [stderr]   Downloaded websocket-lite v0.5.0
[INFO] [stderr]   Downloaded websocket-codec v0.5.0
[INFO] [stderr]   Downloaded syn v1.0.86
[INFO] [stderr]   Downloaded futures-channel v0.3.19
[INFO] [stderr]   Downloaded futures-util v0.3.19
[INFO] [stderr]   Downloaded futures v0.3.19
[INFO] [stderr]   Downloaded sha1_smol v1.0.0
[INFO] [stderr]   Downloaded sha1 v0.6.1
[INFO] [stderr]   Downloaded backtrace v0.3.63
[INFO] [stderr]   Downloaded mio v0.7.14
[INFO] [stderr]   Downloaded httparse v1.5.1
[INFO] [stderr]   Downloaded futures-core v0.3.19
[INFO] [stderr]   Downloaded futures-sink v0.3.19
[INFO] [stderr]   Downloaded enum_dispatch v0.3.7
[INFO] [stderr]   Downloaded better-panic v0.3.0
[INFO] [stderr]   Downloaded libc v0.2.113
[INFO] [stderr]   Downloaded tokio v1.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbd1227cd4bf85243e07b0cbb7ab4fc030940f3dabf5ef853fe4f8e6546cd2ec
[INFO] running `Command { std: "docker" "start" "-a" "fbd1227cd4bf85243e07b0cbb7ab4fc030940f3dabf5ef853fe4f8e6546cd2ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbd1227cd4bf85243e07b0cbb7ab4fc030940f3dabf5ef853fe4f8e6546cd2ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbd1227cd4bf85243e07b0cbb7ab4fc030940f3dabf5ef853fe4f8e6546cd2ec", kill_on_drop: false }`
[INFO] [stdout] fbd1227cd4bf85243e07b0cbb7ab4fc030940f3dabf5ef853fe4f8e6546cd2ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9c3414c51117c109ba4b1a495d5a791ba4ee5d14c86274d7908dfa25bf5cf31
[INFO] running `Command { std: "docker" "start" "-a" "e9c3414c51117c109ba4b1a495d5a791ba4ee5d14c86274d7908dfa25bf5cf31", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.113
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.135
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling serde v1.0.135
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking parity-ws v0.11.1
[INFO] [stderr]    Compiling enum_dispatch v0.3.7
[INFO] [stderr]  Documenting sync v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.13s
[INFO] running `Command { std: "docker" "inspect" "e9c3414c51117c109ba4b1a495d5a791ba4ee5d14c86274d7908dfa25bf5cf31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9c3414c51117c109ba4b1a495d5a791ba4ee5d14c86274d7908dfa25bf5cf31", kill_on_drop: false }`
[INFO] [stdout] e9c3414c51117c109ba4b1a495d5a791ba4ee5d14c86274d7908dfa25bf5cf31