[INFO] fetching crate nsys-rs-utils 0.2.3...
[INFO] testing nsys-rs-utils-0.2.3 against 1.91.0 for beta-1.92-2
[INFO] extracting crate nsys-rs-utils 0.2.3 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate nsys-rs-utils 0.2.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate nsys-rs-utils 0.2.3
[INFO] tweaked toml for crates.io crate nsys-rs-utils 0.2.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nsys-rs-utils 0.2.3 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nsys-rs-utils 0.2.3 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stdext v0.3.3
[INFO] [stderr]   Downloaded quickcheck v1.0.3
[INFO] [stderr]   Downloaded sval_buffer v2.14.1
[INFO] [stderr]   Downloaded sval_serde v2.14.1
[INFO] [stderr]   Downloaded sval v2.14.1
[INFO] [stderr]   Downloaded value-bag-serde1 v1.11.1
[INFO] [stderr]   Downloaded sval_json v2.14.1
[INFO] [stderr]   Downloaded quickcheck_macros v1.1.0
[INFO] [stderr]   Downloaded sval_dynamic v2.14.1
[INFO] [stderr]   Downloaded sval_fmt v2.14.1
[INFO] [stderr]   Downloaded sval_ref v2.14.1
[INFO] [stderr]   Downloaded sval_nested v2.14.1
[INFO] [stderr]   Downloaded value-bag-sval2 v1.11.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 993edade1c1da776faa581c01bd333c6a599d478adc302b6498e8d45114f38dc
[INFO] running `Command { std: "docker" "start" "-a" "993edade1c1da776faa581c01bd333c6a599d478adc302b6498e8d45114f38dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "993edade1c1da776faa581c01bd333c6a599d478adc302b6498e8d45114f38dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "993edade1c1da776faa581c01bd333c6a599d478adc302b6498e8d45114f38dc", kill_on_drop: false }`
[INFO] [stdout] 993edade1c1da776faa581c01bd333c6a599d478adc302b6498e8d45114f38dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d795ecbb4c322d76ea420283942feb52a4cf38d1d24ec7363d9fd21854d6eba7
[INFO] running `Command { std: "docker" "start" "-a" "d795ecbb4c322d76ea420283942feb52a4cf38d1d24ec7363d9fd21854d6eba7", kill_on_drop: false }`
[INFO] [stderr]    Compiling stdext v0.3.3
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling nsys-rs-utils v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(decl_macro)]
[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 `nsys-rs-utils` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d795ecbb4c322d76ea420283942feb52a4cf38d1d24ec7363d9fd21854d6eba7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d795ecbb4c322d76ea420283942feb52a4cf38d1d24ec7363d9fd21854d6eba7", kill_on_drop: false }`
[INFO] [stdout] d795ecbb4c322d76ea420283942feb52a4cf38d1d24ec7363d9fd21854d6eba7