[INFO] fetching crate forkable 0.1.0...
[INFO] documenting forkable-0.1.0 against 1.93.0 for beta-1.94-rustdoc-2
[INFO] extracting crate forkable 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate forkable 0.1.0
[INFO] finished tweaking crates.io crate forkable 0.1.0
[INFO] tweaked toml for crates.io crate forkable 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate forkable 0.1.0 on toolchain 1.93.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.93.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.93.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding circularing v2.2.1 (available: v3.0.0)
[INFO] [stderr]       Adding spin v0.9.8 (available: v0.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.93.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded likeness v1.1.0
[INFO] [stderr]   Downloaded circularing v2.2.1
[INFO] [stderr]   Downloaded snafu v0.8.9
[INFO] [stderr]   Downloaded snafu-derive v0.8.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 406da09e4f21ec9b18304b1d7348fcbcd044d923dc7f769d723fda312b33fd43
[INFO] running `Command { std: "docker" "start" "-a" "406da09e4f21ec9b18304b1d7348fcbcd044d923dc7f769d723fda312b33fd43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "406da09e4f21ec9b18304b1d7348fcbcd044d923dc7f769d723fda312b33fd43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "406da09e4f21ec9b18304b1d7348fcbcd044d923dc7f769d723fda312b33fd43", kill_on_drop: false }`
[INFO] [stdout] 406da09e4f21ec9b18304b1d7348fcbcd044d923dc7f769d723fda312b33fd43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74afeb630929c4a012b1f864323c3513c6c2b4bb5027dd15014916463157c563
[INFO] running `Command { std: "docker" "start" "-a" "74afeb630929c4a012b1f864323c3513c6c2b4bb5027dd15014916463157c563", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]     Checking likeness v1.1.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking circularing v2.2.1
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling forkable v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling snafu-derive v0.8.9
[INFO] [stderr]     Checking snafu v0.8.9
[INFO] [stderr]  Documenting forkable v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]  --> src/lib.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "nightly", feature(error_in_core))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `default` and `std`
[INFO] [stdout]   = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]  --> src/lib.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg(feature = "nightly")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `default` and `std`
[INFO] [stdout]   = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]  --> src/lib.rs:6:32
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[cfg(all(feature = "std", not(feature = "nightly")))]
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `default` and `std`
[INFO] [stdout]   = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]  --> src/lib.rs:9:38
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[cfg(all(not(feature = "std"),  not(feature = "nightly")))]
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `default` and `std`
[INFO] [stdout]   = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.41s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/forkable/index.html
[INFO] running `Command { std: "docker" "inspect" "74afeb630929c4a012b1f864323c3513c6c2b4bb5027dd15014916463157c563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74afeb630929c4a012b1f864323c3513c6c2b4bb5027dd15014916463157c563", kill_on_drop: false }`
[INFO] [stdout] 74afeb630929c4a012b1f864323c3513c6c2b4bb5027dd15014916463157c563
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+1.93.0" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7838048dad96ac4172ab066cba14169dfb94abc942aca07bf5540f541762d7d3
[INFO] running `Command { std: "docker" "start" "-a" "7838048dad96ac4172ab066cba14169dfb94abc942aca07bf5540f541762d7d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling snafu-derive v0.8.9
[INFO] [stderr]     Checking snafu v0.8.9
[INFO] [stderr]  Documenting forkable v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]  --> src/lib.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "nightly", feature(error_in_core))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `default` and `std`
[INFO] [stdout]   = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]  --> src/lib.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg(feature = "nightly")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `default` and `std`
[INFO] [stdout]   = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]  --> src/lib.rs:6:32
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[cfg(all(feature = "std", not(feature = "nightly")))]
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `default` and `std`
[INFO] [stdout]   = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `nightly`
[INFO] [stdout]  --> src/lib.rs:9:38
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[cfg(all(not(feature = "std"),  not(feature = "nightly")))]
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `default` and `std`
[INFO] [stdout]   = help: consider adding `nightly` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.64s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/forkable/index.html
[INFO] running `Command { std: "docker" "inspect" "7838048dad96ac4172ab066cba14169dfb94abc942aca07bf5540f541762d7d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7838048dad96ac4172ab066cba14169dfb94abc942aca07bf5540f541762d7d3", kill_on_drop: false }`
[INFO] [stdout] 7838048dad96ac4172ab066cba14169dfb94abc942aca07bf5540f541762d7d3
