[INFO] fetching crate mcp25xx 0.4.0...
[INFO] testing mcp25xx-0.4.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate mcp25xx 0.4.0 into /workspace/builds/worker-4-tc1/source
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate mcp25xx 0.4.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mcp25xx 0.4.0
[INFO] tweaked toml for crates.io crate mcp25xx 0.4.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mcp25xx 0.4.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mcp25xx 0.4.0 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded modular-bitfield v0.12.0
[INFO] [stderr]   Downloaded embedded-hal v1.0.0
[INFO] [stderr]   Downloaded embedded-can v0.4.1
[INFO] [stderr]   Downloaded embedded-time v0.12.1
[INFO] [stderr]   Downloaded embedded-hal-mock v0.11.1
[INFO] [stderr]   Downloaded embedded-hal-nb v1.0.0
[INFO] [stderr]   Downloaded num-complex v0.3.1
[INFO] [stderr]   Downloaded num-rational v0.3.2
[INFO] [stderr]   Downloaded num v0.3.1
[INFO] [stderr]   Downloaded modular-bitfield-impl v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86c480b500d1ad991c29458ff8eeaba9103ee469d1a6a6e1d1f9af2b9b3411c6
[INFO] running `Command { std: "docker" "start" "-a" "86c480b500d1ad991c29458ff8eeaba9103ee469d1a6a6e1d1f9af2b9b3411c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86c480b500d1ad991c29458ff8eeaba9103ee469d1a6a6e1d1f9af2b9b3411c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86c480b500d1ad991c29458ff8eeaba9103ee469d1a6a6e1d1f9af2b9b3411c6", kill_on_drop: false }`
[INFO] [stdout] 86c480b500d1ad991c29458ff8eeaba9103ee469d1a6a6e1d1f9af2b9b3411c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff96ceb3378d6eb7cd3d4ea3dd0b64c06902790c05a69ae64f2450e32d393cee
[INFO] running `Command { std: "docker" "start" "-a" "ff96ceb3378d6eb7cd3d4ea3dd0b64c06902790c05a69ae64f2450e32d393cee", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling embedded-hal v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling embedded-can v0.4.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling modular-bitfield-impl v0.12.0
[INFO] [stderr]    Compiling modular-bitfield v0.12.0
[INFO] [stderr]    Compiling mcp25xx v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.47s
[INFO] running `Command { std: "docker" "inspect" "ff96ceb3378d6eb7cd3d4ea3dd0b64c06902790c05a69ae64f2450e32d393cee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff96ceb3378d6eb7cd3d4ea3dd0b64c06902790c05a69ae64f2450e32d393cee", kill_on_drop: false }`
[INFO] [stdout] ff96ceb3378d6eb7cd3d4ea3dd0b64c06902790c05a69ae64f2450e32d393cee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b68f4e995bbcd471af3421a4588b664f2d1bf9291939d6a94fbadc6739d87a08
[INFO] running `Command { std: "docker" "start" "-a" "b68f4e995bbcd471af3421a4588b664f2d1bf9291939d6a94fbadc6739d87a08", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling embedded-hal-nb v1.0.0
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling embedded-time v0.12.1
[INFO] [stderr]    Compiling embedded-hal-mock v0.11.1
[INFO] [stderr]    Compiling mcp25xx v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.36s
[INFO] running `Command { std: "docker" "inspect" "b68f4e995bbcd471af3421a4588b664f2d1bf9291939d6a94fbadc6739d87a08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b68f4e995bbcd471af3421a4588b664f2d1bf9291939d6a94fbadc6739d87a08", kill_on_drop: false }`
[INFO] [stdout] b68f4e995bbcd471af3421a4588b664f2d1bf9291939d6a94fbadc6739d87a08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a2629db3c539d62a0bd0339125c47d6b697a78c8dc3ffa3d056e0a709a6c74b4
[INFO] running `Command { std: "docker" "start" "-a" "a2629db3c539d62a0bd0339125c47d6b697a78c8dc3ffa3d056e0a709a6c74b4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mcp25xx-d7a62b372bea5372)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/check_bitrates.rs (/opt/rustwide/target/debug/deps/check_bitrates-efc299f4009af0f5)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_bitrates ... ok
[INFO] [stdout] test test_print_bitrate ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-1800ec97851205d0)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_set_mode ... ok
[INFO] [stdout] test test_transmit ... ok
[INFO] [stdout] test test_set_bitrate ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mcp25xx
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]   --> src/lib.rs:45:18
[INFO] [stderr]    |
[INFO] [stderr] 45 | #![cfg_attr(doc, feature(doc_cfg))]
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 1 previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.90.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2024 --crate-type lib --color auto --crate-name mcp25xx --test src/lib.rs --test-run-directory /opt/rustwide/workdir -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern embedded_can=/opt/rustwide/target/debug/deps/libembedded_can-bb110e82f66abffe.rlib --extern embedded_hal=/opt/rustwide/target/debug/deps/libembedded_hal-c528382b041e774c.rlib --extern embedded_hal_mock=/opt/rustwide/target/debug/deps/libembedded_hal_mock-9d71ed2934e47ffb.rlib --extern mcp25xx=/opt/rustwide/target/debug/deps/libmcp25xx-f3b888705f67762e.rlib --extern modular_bitfield=/opt/rustwide/target/debug/deps/libmodular_bitfield-cc26cc2faef62f9d.rlib --extern nb=/opt/rustwide/target/debug/deps/libnb-81bc2fe1c13c1353.rlib -C embed-bitcode=no --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("mcp2515", "mcp25625"))' --cap-lints=warn --error-format human` (exit status: 1)
[INFO] [stderr] note: test exited abnormally; to see the full output pass --nocapture to the harness.
[INFO] running `Command { std: "docker" "inspect" "a2629db3c539d62a0bd0339125c47d6b697a78c8dc3ffa3d056e0a709a6c74b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2629db3c539d62a0bd0339125c47d6b697a78c8dc3ffa3d056e0a709a6c74b4", kill_on_drop: false }`
[INFO] [stdout] a2629db3c539d62a0bd0339125c47d6b697a78c8dc3ffa3d056e0a709a6c74b4