[INFO] fetching crate unicycle 0.9.4...
[INFO] checking unicycle-0.9.4 against nightly-2024-02-05 for check-cfg-2
[INFO] extracting crate unicycle 0.9.4 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate unicycle 0.9.4 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 unicycle 0.9.4
[INFO] finished tweaking crates.io crate unicycle 0.9.4
[INFO] tweaked toml for crates.io crate unicycle 0.9.4 written to /workspace/builds/worker-0-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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded criterion-plot v0.4.5
[INFO] [stderr]   Downloaded uniset v0.2.3
[INFO] [stderr]   Downloaded checkers-macros v0.6.2
[INFO] [stderr]   Downloaded checkers v0.6.3
[INFO] [stderr]   Downloaded criterion v0.3.6
[INFO] [stderr]   Downloaded hibitset v0.6.4
[INFO] [stderr]   Downloaded serde_cbor v0.11.2
[INFO] [stderr]   Downloaded crossbeam v0.8.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5bc16d8de6016556a10e687e2a73a55f2355a3949591c463b2ab5fe791e1f313
[INFO] running `Command { std: "docker" "start" "-a" "5bc16d8de6016556a10e687e2a73a55f2355a3949591c463b2ab5fe791e1f313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bc16d8de6016556a10e687e2a73a55f2355a3949591c463b2ab5fe791e1f313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bc16d8de6016556a10e687e2a73a55f2355a3949591c463b2ab5fe791e1f313", kill_on_drop: false }`
[INFO] [stdout] 5bc16d8de6016556a10e687e2a73a55f2355a3949591c463b2ab5fe791e1f313
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 28f51355d31d2b5287abd7cbb254369bd66e1f830027edf0cb48a85149c11627
[INFO] running `Command { std: "docker" "start" "-a" "28f51355d31d2b5287abd7cbb254369bd66e1f830027edf0cb48a85149c11627", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling checkers-macros v0.6.2
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking crossbeam-channel v0.5.11
[INFO] [stderr]     Checking uniset v0.2.3
[INFO] [stderr]     Checking hibitset v0.6.4
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking checkers v0.6.3
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking serde_json v1.0.113
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.4
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking pin-project v1.1.4
[INFO] [stderr]     Checking unicycle v0.9.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> tests/pin_slab_memory_leak.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Foo(u32);
[INFO] [stdout]   |        --- ^^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Foo(());
[INFO] [stdout]   |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> tests/pin_slab_memory_leak.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Bar(Vec<u32>);
[INFO] [stdout]   |        --- ^^^^^^^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        field in this struct
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Bar(());
[INFO] [stdout]   |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.74s
[INFO] running `Command { std: "docker" "inspect" "28f51355d31d2b5287abd7cbb254369bd66e1f830027edf0cb48a85149c11627", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28f51355d31d2b5287abd7cbb254369bd66e1f830027edf0cb48a85149c11627", kill_on_drop: false }`
[INFO] [stdout] 28f51355d31d2b5287abd7cbb254369bd66e1f830027edf0cb48a85149c11627
[INFO] checking unicycle-0.9.4 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg-2
[INFO] extracting crate unicycle 0.9.4 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate unicycle 0.9.4 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 unicycle 0.9.4
[INFO] finished tweaking crates.io crate unicycle 0.9.4
[INFO] tweaked toml for crates.io crate unicycle 0.9.4 written to /workspace/builds/worker-0-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]     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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8fdb1a75a461730767cd7256d689951dd97dd7190ed144c6bb6a8bde117afbb0
[INFO] running `Command { std: "docker" "start" "-a" "8fdb1a75a461730767cd7256d689951dd97dd7190ed144c6bb6a8bde117afbb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fdb1a75a461730767cd7256d689951dd97dd7190ed144c6bb6a8bde117afbb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fdb1a75a461730767cd7256d689951dd97dd7190ed144c6bb6a8bde117afbb0", kill_on_drop: false }`
[INFO] [stdout] 8fdb1a75a461730767cd7256d689951dd97dd7190ed144c6bb6a8bde117afbb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 57c13bf300539a29a6d2e442f443494cc18121dd7b646473c35c05511fd2c625
[INFO] running `Command { std: "docker" "start" "-a" "57c13bf300539a29a6d2e442f443494cc18121dd7b646473c35c05511fd2c625", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]    Compiling checkers-macros v0.6.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking crossbeam-channel v0.5.11
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
[INFO] [stderr]     Checking uniset v0.2.3
[INFO] [stderr]     Checking hibitset v0.6.4
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking checkers v0.6.3
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking serde_json v1.0.113
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling pin-project-internal v1.1.4
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking pin-project v1.1.4
[INFO] [stderr]     Checking unicycle v0.9.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]    --> src/lib.rs:162:13
[INFO] [stdout]     |
[INFO] [stdout] 162 | #![cfg_attr(docsrs, feature(doc_cfg))]
[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(docsrs)");` 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] error: unexpected `cfg` condition name: `docsrs`
[INFO] [stdout]     --> src/lib.rs:758:24
[INFO] [stdout]      |
[INFO] [stdout] 758  |               #[cfg_attr(docsrs, doc(cfg(feature = "futures-rs")))]
[INFO] [stdout]      |                          ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 764  | / cfg_futures_rs! {
[INFO] [stdout] 765  | |     /// Sentinel type for streams.
[INFO] [stdout] 766  | |     ///
[INFO] [stdout] 767  | |     /// [Unordered] instances which handle futures have the signature
[INFO] [stdout] ...    |
[INFO] [stdout] 1102 | |     }
[INFO] [stdout] 1103 | | }
[INFO] [stdout]      | |_- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead or adding `println!("cargo:rustc-check-cfg=cfg(docsrs)");` 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: this error originates in the macro `cfg_futures_rs` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `unicycle` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "57c13bf300539a29a6d2e442f443494cc18121dd7b646473c35c05511fd2c625", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57c13bf300539a29a6d2e442f443494cc18121dd7b646473c35c05511fd2c625", kill_on_drop: false }`
[INFO] [stdout] 57c13bf300539a29a6d2e442f443494cc18121dd7b646473c35c05511fd2c625
