[INFO] fetching crate ringbuffer 0.15.0...
[INFO] checking ringbuffer-0.15.0 against master#336209eef13882bd1e211b24779584cb7ef911eb for pr-129249
[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 336209eef13882bd1e211b24779584cb7ef911eb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "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" "+336209eef13882bd1e211b24779584cb7ef911eb" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 98 packages to latest compatible versions
[INFO] [stderr]       Adding compiletest_rs v0.10.2 (available: v0.11.2)
[INFO] [stderr]       Adding criterion v0.4.0 (available: v0.5.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df8b93d3c526366b71ca9c8d785119c9060ed18f2a5119af6c3dc886b6aba631
[INFO] running `Command { std: "docker" "start" "-a" "df8b93d3c526366b71ca9c8d785119c9060ed18f2a5119af6c3dc886b6aba631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df8b93d3c526366b71ca9c8d785119c9060ed18f2a5119af6c3dc886b6aba631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df8b93d3c526366b71ca9c8d785119c9060ed18f2a5119af6c3dc886b6aba631", kill_on_drop: false }`
[INFO] [stdout] df8b93d3c526366b71ca9c8d785119c9060ed18f2a5119af6c3dc886b6aba631
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec712bb4637c0c92564f5ad84176de0386a92bc0ca2c82694a8e425d1c0c1284
[INFO] running `Command { std: "docker" "start" "-a" "ec712bb4637c0c92564f5ad84176de0386a92bc0ca2c82694a8e425d1c0c1284", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling serde_json v1.0.135
[INFO] [stderr]     Checking itoa v1.0.14
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]    Compiling compiletest_rs v0.10.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking tester v0.9.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking filetime v0.2.25
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking oorandom v11.1.4
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking ringbuffer v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking rustfix v0.6.1
[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] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ringbuffer` (bench "bench") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ec712bb4637c0c92564f5ad84176de0386a92bc0ca2c82694a8e425d1c0c1284", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec712bb4637c0c92564f5ad84176de0386a92bc0ca2c82694a8e425d1c0c1284", kill_on_drop: false }`
[INFO] [stdout] ec712bb4637c0c92564f5ad84176de0386a92bc0ca2c82694a8e425d1c0c1284