[INFO] fetching crate unsize 1.1.0...
[INFO] checking unsize-1.1.0 against nightly-2024-02-05 for check-cfg-2
[INFO] extracting crate unsize 1.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate unsize 1.1.0 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 unsize 1.1.0
[INFO] finished tweaking crates.io crate unsize 1.1.0
[INFO] tweaked toml for crates.io crate unsize 1.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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] 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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 657b5391e76e9415ec13eb12721e8181800e814554669c551b13ca4d58a53a5e
[INFO] running `Command { std: "docker" "start" "-a" "657b5391e76e9415ec13eb12721e8181800e814554669c551b13ca4d58a53a5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "657b5391e76e9415ec13eb12721e8181800e814554669c551b13ca4d58a53a5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "657b5391e76e9415ec13eb12721e8181800e814554669c551b13ca4d58a53a5e", kill_on_drop: false }`
[INFO] [stdout] 657b5391e76e9415ec13eb12721e8181800e814554669c551b13ca4d58a53a5e
[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=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] 679a86bf26d54c27a0a9a6217e1b25569fbfcfe697cddbf6b4cfd3bf81a2f43b
[INFO] running `Command { std: "docker" "start" "-a" "679a86bf26d54c27a0a9a6217e1b25569fbfcfe697cddbf6b4cfd3bf81a2f43b", kill_on_drop: false }`
[INFO] [stderr]    Compiling unsize v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:408:1
[INFO] [stdout]     |
[INFO] [stdout] 408 | / /// ```
[INFO] [stdout] 409 | | /// use unsize::{Coercion, CoerceUnsize};
[INFO] [stdout] 410 | | /// fn arg0<F: 'static + FnOnce()>(fptr: &F) -> &dyn FnOnce() {
[INFO] [stdout] 411 | | ///     fptr.unsize(Coercion::<_, dyn FnOnce()>::to_fn_once())
[INFO] [stdout] ...   |
[INFO] [stdout] 423 | | /// arg6(&|_,_,_,_,_,_| {});
[INFO] [stdout] 424 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout] 425 |   extern {}
[INFO] [stdout]     |   --------- rustdoc does not generate documentation for extern blocks
[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/lib.rs:515:1
[INFO] [stdout]     |
[INFO] [stdout] 515 | / /// Ensure that using `CoerceUnsize` does not import as_sized_ptr.
[INFO] [stdout] 516 | | ///
[INFO] [stdout] 517 | | /// ```compile_fail
[INFO] [stdout] 518 | | /// use unsize::CoerceUnsize;
[INFO] [stdout] ...   |
[INFO] [stdout] 522 | | /// let _ = ptr.as_sized_ptr();
[INFO] [stdout] 523 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout] 524 |   extern {}
[INFO] [stdout]     |   --------- rustdoc does not generate documentation for extern blocks
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:408:1
[INFO] [stdout]     |
[INFO] [stdout] 408 | / /// ```
[INFO] [stdout] 409 | | /// use unsize::{Coercion, CoerceUnsize};
[INFO] [stdout] 410 | | /// fn arg0<F: 'static + FnOnce()>(fptr: &F) -> &dyn FnOnce() {
[INFO] [stdout] 411 | | ///     fptr.unsize(Coercion::<_, dyn FnOnce()>::to_fn_once())
[INFO] [stdout] ...   |
[INFO] [stdout] 423 | | /// arg6(&|_,_,_,_,_,_| {});
[INFO] [stdout] 424 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout] 425 |   extern {}
[INFO] [stdout]     |   --------- rustdoc does not generate documentation for extern blocks
[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/lib.rs:515:1
[INFO] [stdout]     |
[INFO] [stdout] 515 | / /// Ensure that using `CoerceUnsize` does not import as_sized_ptr.
[INFO] [stdout] 516 | | ///
[INFO] [stdout] 517 | | /// ```compile_fail
[INFO] [stdout] 518 | | /// use unsize::CoerceUnsize;
[INFO] [stdout] ...   |
[INFO] [stdout] 522 | | /// let _ = ptr.as_sized_ptr();
[INFO] [stdout] 523 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout] 524 |   extern {}
[INFO] [stdout]     |   --------- rustdoc does not generate documentation for extern blocks
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "679a86bf26d54c27a0a9a6217e1b25569fbfcfe697cddbf6b4cfd3bf81a2f43b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "679a86bf26d54c27a0a9a6217e1b25569fbfcfe697cddbf6b4cfd3bf81a2f43b", kill_on_drop: false }`
[INFO] [stdout] 679a86bf26d54c27a0a9a6217e1b25569fbfcfe697cddbf6b4cfd3bf81a2f43b
[INFO] checking unsize-1.1.0 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg-2
[INFO] extracting crate unsize 1.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate unsize 1.1.0 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 unsize 1.1.0
[INFO] finished tweaking crates.io crate unsize 1.1.0
[INFO] tweaked toml for crates.io crate unsize 1.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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] 5d2b88e8d9d6fae0518d715e336328cf30449dfa6a74222bc24e95febdec0bf9
[INFO] running `Command { std: "docker" "start" "-a" "5d2b88e8d9d6fae0518d715e336328cf30449dfa6a74222bc24e95febdec0bf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d2b88e8d9d6fae0518d715e336328cf30449dfa6a74222bc24e95febdec0bf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d2b88e8d9d6fae0518d715e336328cf30449dfa6a74222bc24e95febdec0bf9", kill_on_drop: false }`
[INFO] [stdout] 5d2b88e8d9d6fae0518d715e336328cf30449dfa6a74222bc24e95febdec0bf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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 -Dunexpected_cfgs" "-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" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] 4f6aef3cbe8e025d708e34bae7eb3d2bf57411b3c8f3328132304e76c5e29dbb
[INFO] running `Command { std: "docker" "start" "-a" "4f6aef3cbe8e025d708e34bae7eb3d2bf57411b3c8f3328132304e76c5e29dbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling unsize v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unexpected `cfg` condition name: `rustc_1_51`
[INFO] [stdout]    --> src/lib.rs:239:7
[INFO] [stdout]     |
[INFO] [stdout] 239 | #[cfg(rustc_1_51)]
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `unix`, `windows`
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(rustc_1_51)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:408:1
[INFO] [stdout]     |
[INFO] [stdout] 408 | / /// ```
[INFO] [stdout] 409 | | /// use unsize::{Coercion, CoerceUnsize};
[INFO] [stdout] 410 | | /// fn arg0<F: 'static + FnOnce()>(fptr: &F) -> &dyn FnOnce() {
[INFO] [stdout] 411 | | ///     fptr.unsize(Coercion::<_, dyn FnOnce()>::to_fn_once())
[INFO] [stdout] ...   |
[INFO] [stdout] 423 | | /// arg6(&|_,_,_,_,_,_| {});
[INFO] [stdout] 424 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout] 425 |   extern {}
[INFO] [stdout]     |   --------- rustdoc does not generate documentation for extern blocks
[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/lib.rs:515:1
[INFO] [stdout]     |
[INFO] [stdout] 515 | / /// Ensure that using `CoerceUnsize` does not import as_sized_ptr.
[INFO] [stdout] 516 | | ///
[INFO] [stdout] 517 | | /// ```compile_fail
[INFO] [stdout] 518 | | /// use unsize::CoerceUnsize;
[INFO] [stdout] ...   |
[INFO] [stdout] 522 | | /// let _ = ptr.as_sized_ptr();
[INFO] [stdout] 523 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout] 524 |   extern {}
[INFO] [stdout]     |   --------- rustdoc does not generate documentation for extern blocks
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unexpected `cfg` condition name: `rustc_1_51`
[INFO] [stdout]    --> src/lib.rs:239:7
[INFO] [stdout]     |
[INFO] [stdout] 239 | #[cfg(rustc_1_51)]
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `debug_assertions`, `doc`, `doctest`, `feature`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `unix`, `windows`
[INFO] [stdout]     = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(rustc_1_51)");` to the top of a `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/cargo/reference/unstable.html#check-cfg> for more information about checking conditional configuration
[INFO] [stdout]     = note: requested on the command line with `-D unexpected-cfgs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:408:1
[INFO] [stdout]     |
[INFO] [stdout] 408 | / /// ```
[INFO] [stdout] 409 | | /// use unsize::{Coercion, CoerceUnsize};
[INFO] [stdout] 410 | | /// fn arg0<F: 'static + FnOnce()>(fptr: &F) -> &dyn FnOnce() {
[INFO] [stdout] 411 | | ///     fptr.unsize(Coercion::<_, dyn FnOnce()>::to_fn_once())
[INFO] [stdout] ...   |
[INFO] [stdout] 423 | | /// arg6(&|_,_,_,_,_,_| {});
[INFO] [stdout] 424 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout] 425 |   extern {}
[INFO] [stdout]     |   --------- rustdoc does not generate documentation for extern blocks
[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/lib.rs:515:1
[INFO] [stdout]     |
[INFO] [stdout] 515 | / /// Ensure that using `CoerceUnsize` does not import as_sized_ptr.
[INFO] [stdout] 516 | | ///
[INFO] [stdout] 517 | | /// ```compile_fail
[INFO] [stdout] 518 | | /// use unsize::CoerceUnsize;
[INFO] [stdout] ...   |
[INFO] [stdout] 522 | | /// let _ = ptr.as_sized_ptr();
[INFO] [stdout] 523 | | /// ```
[INFO] [stdout]     | |_______^
[INFO] [stdout] 524 |   extern {}
[INFO] [stdout]     |   --------- rustdoc does not generate documentation for extern blocks
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `unsize` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `unsize` (lib test) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "4f6aef3cbe8e025d708e34bae7eb3d2bf57411b3c8f3328132304e76c5e29dbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f6aef3cbe8e025d708e34bae7eb3d2bf57411b3c8f3328132304e76c5e29dbb", kill_on_drop: false }`
[INFO] [stdout] 4f6aef3cbe8e025d708e34bae7eb3d2bf57411b3c8f3328132304e76c5e29dbb
