[INFO] crate woodpecker 0.4.0 is already in cache
[INFO] documenting woodpecker-0.4.0 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate woodpecker 0.4.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate woodpecker 0.4.0 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate woodpecker 0.4.0
[INFO] finished tweaking crates.io crate woodpecker 0.4.0
[INFO] tweaked toml for crates.io crate woodpecker 0.4.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 446aff4f8ef7d2e3608c2b3d5fd84c51d996d936dedc46911b3fa32352b56d65
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "446aff4f8ef7d2e3608c2b3d5fd84c51d996d936dedc46911b3fa32352b56d65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "446aff4f8ef7d2e3608c2b3d5fd84c51d996d936dedc46911b3fa32352b56d65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "446aff4f8ef7d2e3608c2b3d5fd84c51d996d936dedc46911b3fa32352b56d65", kill_on_drop: false }`
[INFO] [stdout] 446aff4f8ef7d2e3608c2b3d5fd84c51d996d936dedc46911b3fa32352b56d65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2cbb665cb3de9dbcec894a2b9a08d4af7a0c84a276a747da2604b2a8c2932b2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d2cbb665cb3de9dbcec894a2b9a08d4af7a0c84a276a747da2604b2a8c2932b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking libc v0.2.71
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]  Documenting woodpecker v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: `core::fmt::Opaque` cannot be shared between threads safely
[INFO] [stdout]    --> src/record/imp.rs:166:10
[INFO] [stdout]     |
[INFO] [stdout] 166 | impl<'a> Record for SyncRecord<'a> {
[INFO] [stdout]     |          ^^^^^^ `core::fmt::Opaque` cannot be shared between threads safely
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/record/mod.rs:26:26
[INFO] [stdout]     |
[INFO] [stdout] 26  | pub trait Record: Send + Sync {
[INFO] [stdout]     |                          ---- required by this bound in `record::Record`
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `record::imp::SyncRecord<'a>`, the trait `std::marker::Sync` is not implemented for `core::fmt::Opaque`
[INFO] [stdout]     = note: required because it appears within the type `&'a core::fmt::Opaque`
[INFO] [stdout]     = note: required because it appears within the type `std::fmt::ArgumentV1<'a>`
[INFO] [stdout]     = note: required because it appears within the type `[std::fmt::ArgumentV1<'a>]`
[INFO] [stdout]     = note: required because it appears within the type `&'a [std::fmt::ArgumentV1<'a>]`
[INFO] [stdout]     = note: required because it appears within the type `std::fmt::Arguments<'a>`
[INFO] [stdout]     = note: required because it appears within the type `record::imp::SyncRecord<'a>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `woodpecker`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name woodpecker src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-cace47dda642665f.rmeta --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-88b1ae0b4def7897.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-9404408917408c19.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-1bdbaf0eea1f8400.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-9c32252f2c303f3a.rmeta --extern thread_id=/opt/rustwide/target/debug/deps/libthread_id-0ce1036aa33a5d36.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-e7be7863b5f9349e.rmeta --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "d2cbb665cb3de9dbcec894a2b9a08d4af7a0c84a276a747da2604b2a8c2932b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2cbb665cb3de9dbcec894a2b9a08d4af7a0c84a276a747da2604b2a8c2932b2", kill_on_drop: false }`
[INFO] [stdout] d2cbb665cb3de9dbcec894a2b9a08d4af7a0c84a276a747da2604b2a8c2932b2