[INFO] fetching crate ringbuffer 0.15.0...
[INFO] checking ringbuffer-0.15.0 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate ringbuffer 0.15.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate ringbuffer 0.15.0 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 ringbuffer 0.15.0
[INFO] finished tweaking crates.io crate ringbuffer 0.15.0
[INFO] tweaked toml for crates.io crate ringbuffer 0.15.0 written to /workspace/builds/worker-6-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 tester v0.9.1
[INFO] [stderr]   Downloaded compiletest_rs v0.10.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 14546bb4cc902e5fd90429caf133055d35b909b9ea316d2426180775da9f6e92
[INFO] running `Command { std: "docker" "start" "-a" "14546bb4cc902e5fd90429caf133055d35b909b9ea316d2426180775da9f6e92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14546bb4cc902e5fd90429caf133055d35b909b9ea316d2426180775da9f6e92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14546bb4cc902e5fd90429caf133055d35b909b9ea316d2426180775da9f6e92", kill_on_drop: false }`
[INFO] [stdout] 14546bb4cc902e5fd90429caf133055d35b909b9ea316d2426180775da9f6e92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] be764badeabf97b0469dcf8b6e6bfc40b589fc027f1e7399e3fe30cdf7428853
[INFO] running `Command { std: "docker" "start" "-a" "be764badeabf97b0469dcf8b6e6bfc40b589fc027f1e7399e3fe30cdf7428853", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking half v2.3.1
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]    Compiling compiletest_rs v0.10.2
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking tester v0.9.1
[INFO] [stderr]     Checking rayon v1.8.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking filetime v0.2.23
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking ringbuffer v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking serde_json v1.0.113
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking rustfix v0.6.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stdout] error: cannot find attribute `no_coverage` in this scope
[INFO] [stdout]  --> benches/bench.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![no_coverage]
[INFO] [stdout]   |    ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `bench`
[INFO] [stdout]    --> benches/bench.rs:186:26
[INFO] [stdout]     |
[INFO] [stdout] 186 | criterion_main!(benches);
[INFO] [stdout]     |                          ^ consider adding a `main` function to `benches/bench.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ringbuffer` (bench "bench") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "be764badeabf97b0469dcf8b6e6bfc40b589fc027f1e7399e3fe30cdf7428853", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be764badeabf97b0469dcf8b6e6bfc40b589fc027f1e7399e3fe30cdf7428853", kill_on_drop: false }`
[INFO] [stdout] be764badeabf97b0469dcf8b6e6bfc40b589fc027f1e7399e3fe30cdf7428853
[INFO] checking ringbuffer-0.15.0 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] extracting crate ringbuffer 0.15.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate ringbuffer 0.15.0 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 ringbuffer 0.15.0
[INFO] finished tweaking crates.io crate ringbuffer 0.15.0
[INFO] tweaked toml for crates.io crate ringbuffer 0.15.0 written to /workspace/builds/worker-6-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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6e638214fc0d37b2768b085a84b91a454a906ef7aa5a180cf32013b550d8ef36
[INFO] running `Command { std: "docker" "start" "-a" "6e638214fc0d37b2768b085a84b91a454a906ef7aa5a180cf32013b550d8ef36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e638214fc0d37b2768b085a84b91a454a906ef7aa5a180cf32013b550d8ef36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e638214fc0d37b2768b085a84b91a454a906ef7aa5a180cf32013b550d8ef36", kill_on_drop: false }`
[INFO] [stdout] 6e638214fc0d37b2768b085a84b91a454a906ef7aa5a180cf32013b550d8ef36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a3b43d21a85c7f8a6d04df5b9a9114e5321bd803e11c110c0ee46df95e55ae63
[INFO] running `Command { std: "docker" "start" "-a" "a3b43d21a85c7f8a6d04df5b9a9114e5321bd803e11c110c0ee46df95e55ae63", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]     Checking half v2.3.1
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]    Compiling compiletest_rs v0.10.2
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking rayon v1.8.1
[INFO] [stderr]     Checking tester v0.9.1
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking filetime v0.2.23
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking ringbuffer v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking serde_json v1.0.113
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking rustfix v0.6.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stdout] error: cannot find attribute `no_coverage` in this scope
[INFO] [stdout]  --> benches/bench.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![no_coverage]
[INFO] [stdout]   |    ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `coverage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `bench`
[INFO] [stdout]    --> benches/bench.rs:186:26
[INFO] [stdout]     |
[INFO] [stdout] 186 | criterion_main!(benches);
[INFO] [stdout]     |                          ^ consider adding a `main` function to `benches/bench.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ringbuffer` (bench "bench") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a3b43d21a85c7f8a6d04df5b9a9114e5321bd803e11c110c0ee46df95e55ae63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3b43d21a85c7f8a6d04df5b9a9114e5321bd803e11c110c0ee46df95e55ae63", kill_on_drop: false }`
[INFO] [stdout] a3b43d21a85c7f8a6d04df5b9a9114e5321bd803e11c110c0ee46df95e55ae63
