[INFO] fetching crate cvmath 0.0.7...
[INFO] checking cvmath-0.0.7 against 1.95.0 for pr-155915
[INFO] extracting crate cvmath 0.0.7 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate cvmath 0.0.7
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate cvmath 0.0.7
[INFO] tweaked toml for crates.io crate cvmath 0.0.7 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cvmath 0.0.7 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cvmath 0.0.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--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]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.43
[INFO] [stderr]   Downloaded dataview v1.0.1
[INFO] [stderr]   Downloaded unicode-ident v1.0.22
[INFO] [stderr]   Downloaded derive_pod v0.1.2
[INFO] [stderr]   Downloaded zmij v1.0.14
[INFO] [stderr]   Downloaded bitflags v2.10.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.105
[INFO] [stderr]   Downloaded urandom v0.2.2
[INFO] [stderr]   Downloaded memchr v2.7.6
[INFO] [stderr]   Downloaded ron v0.12.0
[INFO] [stderr]   Downloaded syn v2.0.114
[INFO] [stderr]   Downloaded rayon v1.11.0
[INFO] [stderr]   Downloaded libc v0.2.180
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9300b1c5645b5d53df78d138cb26d42a8a265125a0c0b25bbd69cd51e06d29e1
[INFO] running `Command { std: "docker" "start" "-a" "9300b1c5645b5d53df78d138cb26d42a8a265125a0c0b25bbd69cd51e06d29e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9300b1c5645b5d53df78d138cb26d42a8a265125a0c0b25bbd69cd51e06d29e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9300b1c5645b5d53df78d138cb26d42a8a265125a0c0b25bbd69cd51e06d29e1", kill_on_drop: false }`
[INFO] [stdout] 9300b1c5645b5d53df78d138cb26d42a8a265125a0c0b25bbd69cd51e06d29e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93d7e12e6d6838ced6b1d7f8cf298278c7bb9267f0409618941d785d25b144d5
[INFO] running `Command { std: "docker" "start" "-a" "93d7e12e6d6838ced6b1d7f8cf298278c7bb9267f0409618941d785d25b144d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling typeid v1.0.3
[INFO] [stderr]    Compiling zmij v1.0.14
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]     Checking itoa v1.0.17
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking dataview v1.0.1
[INFO] [stderr]     Checking cvmath v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking urandom v0.2.2
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking ron v0.12.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/trace2.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cvmath` (bench "trace2") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "93d7e12e6d6838ced6b1d7f8cf298278c7bb9267f0409618941d785d25b144d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93d7e12e6d6838ced6b1d7f8cf298278c7bb9267f0409618941d785d25b144d5", kill_on_drop: false }`
[INFO] [stdout] 93d7e12e6d6838ced6b1d7f8cf298278c7bb9267f0409618941d785d25b144d5
