[INFO] fetching crate rooc 0.1.20...
[INFO] testing rooc-0.1.20 against 1.91.0 for beta-1.92-2
[INFO] extracting crate rooc 0.1.20 into /workspace/builds/worker-5-tc1/source
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate rooc 0.1.20
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rooc 0.1.20
[INFO] tweaked toml for crates.io crate rooc 0.1.20 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rooc 0.1.20 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 rooc 0.1.20 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 wasm-bindgen-test v0.3.50
[INFO] [stderr]   Downloaded good_lp v1.13.0
[INFO] [stderr]   Downloaded amd v0.2.2
[INFO] [stderr]   Downloaded microlp v0.2.11
[INFO] [stderr]   Downloaded copper v0.1.0
[INFO] [stderr]   Downloaded cc v1.2.16
[INFO] [stderr]   Downloaded utf8_slice v1.0.0
[INFO] [stderr]   Downloaded sprs v0.11.3
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.50
[INFO] [stderr]   Downloaded clarabel v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0d1d204d3d38a8585f846fc988aa27217e261578c7924f704ad48b81d3566255
[INFO] running `Command { std: "docker" "start" "-a" "0d1d204d3d38a8585f846fc988aa27217e261578c7924f704ad48b81d3566255", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d1d204d3d38a8585f846fc988aa27217e261578c7924f704ad48b81d3566255", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d1d204d3d38a8585f846fc988aa27217e261578c7924f704ad48b81d3566255", kill_on_drop: false }`
[INFO] [stdout] 0d1d204d3d38a8585f846fc988aa27217e261578c7924f704ad48b81d3566255
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5a58d3f487fe6c3d87713f5c8f1f46159eed2e71a0f831604e2b7a82ba4221c0
[INFO] running `Command { std: "docker" "start" "-a" "5a58d3f487fe6c3d87713f5c8f1f46159eed2e71a0f831604e2b7a82ba4221c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling once_cell v1.20.3
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling serde_json v1.0.139
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling either v1.14.0
[INFO] [stderr]    Compiling clarabel v0.10.0
[INFO] [stderr]    Compiling smallvec v1.14.0
[INFO] [stderr]    Compiling log v0.4.26
[INFO] [stderr]    Compiling copper v0.1.0
[INFO] [stderr]    Compiling utf8_slice v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/copper-0.1.0/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(int_roundings)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `copper` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5a58d3f487fe6c3d87713f5c8f1f46159eed2e71a0f831604e2b7a82ba4221c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a58d3f487fe6c3d87713f5c8f1f46159eed2e71a0f831604e2b7a82ba4221c0", kill_on_drop: false }`
[INFO] [stdout] 5a58d3f487fe6c3d87713f5c8f1f46159eed2e71a0f831604e2b7a82ba4221c0
