[INFO] fetching crate socketcan 3.3.0...
[INFO] checking socketcan-3.3.0 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate socketcan 3.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate socketcan 3.3.0 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate socketcan 3.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate socketcan 3.3.0
[INFO] tweaked toml for crates.io crate socketcan 3.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate socketcan 3.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded embedded-can v0.4.1
[INFO] [stderr]   Downloaded futures-timer v0.3.0
[INFO] [stderr]   Downloaded futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded byte_conv v0.1.1
[INFO] [stderr]   Downloaded async-signal v0.2.4
[INFO] [stderr]   Downloaded futures-preview v0.3.0-alpha.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1dd8083e080b5d909f32c0d55a36d772f02429974a0833368793613e7e5c0b47
[INFO] running `Command { std: "docker" "start" "-a" "1dd8083e080b5d909f32c0d55a36d772f02429974a0833368793613e7e5c0b47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1dd8083e080b5d909f32c0d55a36d772f02429974a0833368793613e7e5c0b47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dd8083e080b5d909f32c0d55a36d772f02429974a0833368793613e7e5c0b47", kill_on_drop: false }`
[INFO] [stdout] 1dd8083e080b5d909f32c0d55a36d772f02429974a0833368793613e7e5c0b47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTFLAGS=--cap-lints=forbid" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0f1d4c24174cf375596c4868e1d85f363b13cd699b2d3d95e01b3d1c8c98993
[INFO] running `Command { std: "docker" "start" "-a" "b0f1d4c24174cf375596c4868e1d85f363b13cd699b2d3d95e01b3d1c8c98993", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking value-bag v1.4.2
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking futures-channel v0.3.29
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking async-task v4.5.0
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking hashbrown v0.14.2
[INFO] [stderr]     Checking concurrent-queue v2.3.0
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking embedded-can v0.4.1
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking byte_conv v0.1.1
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking async-executor v1.6.0
[INFO] [stderr]     Checking blocking v1.4.1
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking nix v0.27.1
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-timer v0.3.0
[INFO] [stderr]     Checking ctrlc v3.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.190
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling serial_test_derive v2.0.0
[INFO] [stderr]     Checking async-global-executor v2.3.1
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]     Checking tokio v1.33.0
[INFO] [stderr]     Checking thiserror v1.0.50
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]     Checking serial_test v2.0.0
[INFO] [stderr]    Compiling neli-proc-macros v0.1.3
[INFO] [stderr]     Checking neli v0.6.4
[INFO] [stderr]     Checking socketcan v3.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/socket.rs:586:13
[INFO] [stdout]     |
[INFO] [stdout] 586 | /             /// SAFETY: We just obtained this FD and no else has seen it.
[INFO] [stdout] 587 | |             /// Hence, it is fine to take exclusive ownership.
[INFO] [stdout]     | |______________________________________________________________^
[INFO] [stdout] 588 |               fd: unsafe { OwnedFd::from_raw_fd(fd) },
[INFO] [stdout]     |               --------------------------------------- rustdoc does not generate documentation for expression fields
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/socket.rs:627:13
[INFO] [stdout]     |
[INFO] [stdout] 627 | /             /// Safety: The caller asserts that we may take ownership of this FD by passing it into
[INFO] [stdout] 628 | |             /// from_raw_fd().
[INFO] [stdout]     | |______________________________^
[INFO] [stdout] 629 |               fd: unsafe { OwnedFd::from_raw_fd(fd) },
[INFO] [stdout]     |               --------------------------------------- rustdoc does not generate documentation for expression fields
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/socket.rs:668:17
[INFO] [stdout]     |
[INFO] [stdout] 668 | /                 /// SAFETY: We just obtained this FD and no else has seen it.
[INFO] [stdout] 669 | |                 /// Hence, it is fine to take exclusive ownership.
[INFO] [stdout]     | |__________________________________________________________________^
[INFO] [stdout] 670 |                   fd: unsafe { OwnedFd::from_raw_fd(fd) },
[INFO] [stdout]     |                   --------------------------------------- rustdoc does not generate documentation for expression fields
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/socket.rs:726:13
[INFO] [stdout]     |
[INFO] [stdout] 726 | /             /// Safety: The caller asserts that we may take ownership of this FD by passing it into
[INFO] [stdout] 727 | |             /// from_raw_fd().
[INFO] [stdout]     | |______________________________^
[INFO] [stdout] 728 |               fd: unsafe { OwnedFd::from_raw_fd(fd) },
[INFO] [stdout]     |               --------------------------------------- rustdoc does not generate documentation for expression fields
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/socket.rs:586:13
[INFO] [stdout]     |
[INFO] [stdout] 586 | /             /// SAFETY: We just obtained this FD and no else has seen it.
[INFO] [stdout] 587 | |             /// Hence, it is fine to take exclusive ownership.
[INFO] [stdout]     | |______________________________________________________________^
[INFO] [stdout] 588 |               fd: unsafe { OwnedFd::from_raw_fd(fd) },
[INFO] [stdout]     |               --------------------------------------- rustdoc does not generate documentation for expression fields
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/socket.rs:627:13
[INFO] [stdout]     |
[INFO] [stdout] 627 | /             /// Safety: The caller asserts that we may take ownership of this FD by passing it into
[INFO] [stdout] 628 | |             /// from_raw_fd().
[INFO] [stdout]     | |______________________________^
[INFO] [stdout] 629 |               fd: unsafe { OwnedFd::from_raw_fd(fd) },
[INFO] [stdout]     |               --------------------------------------- rustdoc does not generate documentation for expression fields
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/socket.rs:668:17
[INFO] [stdout]     |
[INFO] [stdout] 668 | /                 /// SAFETY: We just obtained this FD and no else has seen it.
[INFO] [stdout] 669 | |                 /// Hence, it is fine to take exclusive ownership.
[INFO] [stdout]     | |__________________________________________________________________^
[INFO] [stdout] 670 |                   fd: unsafe { OwnedFd::from_raw_fd(fd) },
[INFO] [stdout]     |                   --------------------------------------- rustdoc does not generate documentation for expression fields
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/socket.rs:726:13
[INFO] [stdout]     |
[INFO] [stdout] 726 | /             /// Safety: The caller asserts that we may take ownership of this FD by passing it into
[INFO] [stdout] 727 | |             /// from_raw_fd().
[INFO] [stdout]     | |______________________________^
[INFO] [stdout] 728 |               fd: unsafe { OwnedFd::from_raw_fd(fd) },
[INFO] [stdout]     |               --------------------------------------- rustdoc does not generate documentation for expression fields
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.81s
[INFO] running `Command { std: "docker" "inspect" "b0f1d4c24174cf375596c4868e1d85f363b13cd699b2d3d95e01b3d1c8c98993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0f1d4c24174cf375596c4868e1d85f363b13cd699b2d3d95e01b3d1c8c98993", kill_on_drop: false }`
[INFO] [stdout] b0f1d4c24174cf375596c4868e1d85f363b13cd699b2d3d95e01b3d1c8c98993
