[INFO] fetching crate syn_crabs 0.2.0...
[INFO] testing syn_crabs-0.2.0 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate syn_crabs 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate syn_crabs 0.2.0
[INFO] finished tweaking crates.io crate syn_crabs 0.2.0
[INFO] tweaked toml for crates.io crate syn_crabs 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate syn_crabs 0.2.0 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 66 packages to latest compatible versions
[INFO] [stderr]       Adding colored v2.2.0 (available: v3.1.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20560496051a6ec3075a7f0c54e140f12de890dd5428c4b3219c85b3ef9989ac
[INFO] running `Command { std: "docker" "start" "-a" "20560496051a6ec3075a7f0c54e140f12de890dd5428c4b3219c85b3ef9989ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20560496051a6ec3075a7f0c54e140f12de890dd5428c4b3219c85b3ef9989ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20560496051a6ec3075a7f0c54e140f12de890dd5428c4b3219c85b3ef9989ac", kill_on_drop: false }`
[INFO] [stdout] 20560496051a6ec3075a7f0c54e140f12de890dd5428c4b3219c85b3ef9989ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1048a842030c31926e5e15b4d83f0b31eb983ecdfba494d7f1424ba77e55c19e
[INFO] running `Command { std: "docker" "start" "-a" "1048a842030c31926e5e15b4d83f0b31eb983ecdfba494d7f1424ba77e55c19e", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling jiff v0.2.18
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling iana-time-zone v0.1.65
[INFO] [stderr]    Compiling colored v2.2.0
[INFO] [stderr]    Compiling chrono v0.4.43
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling env_filter v0.1.4
[INFO] [stderr]    Compiling env_logger v0.11.8
[INFO] [stderr]    Compiling syn_crabs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.16s
[INFO] running `Command { std: "docker" "inspect" "1048a842030c31926e5e15b4d83f0b31eb983ecdfba494d7f1424ba77e55c19e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1048a842030c31926e5e15b4d83f0b31eb983ecdfba494d7f1424ba77e55c19e", kill_on_drop: false }`
[INFO] [stdout] 1048a842030c31926e5e15b4d83f0b31eb983ecdfba494d7f1424ba77e55c19e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 836be50e4ed422f93aac8d9e8f638f94a732f386e9a356f80cc4f3262b51ec54
[INFO] running `Command { std: "docker" "start" "-a" "836be50e4ed422f93aac8d9e8f638f94a732f386e9a356f80cc4f3262b51ec54", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn_crabs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "836be50e4ed422f93aac8d9e8f638f94a732f386e9a356f80cc4f3262b51ec54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "836be50e4ed422f93aac8d9e8f638f94a732f386e9a356f80cc4f3262b51ec54", kill_on_drop: false }`
[INFO] [stdout] 836be50e4ed422f93aac8d9e8f638f94a732f386e9a356f80cc4f3262b51ec54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1b011f9cdcccd9955031baeb951dca38e6872f0e14f3bc30d31802281c11c311
[INFO] running `Command { std: "docker" "start" "-a" "1b011f9cdcccd9955031baeb951dca38e6872f0e14f3bc30d31802281c11c311", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/syn_crabs-c6036a9b0b61c8e7)
[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]    Doc-tests syn_crabs
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Local (line 12) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Local (line 12) stdout ----
[INFO] [stdout] error: unknown start of token: `
[INFO] [stdout]   --> src/lib.rs:22:34
[INFO] [stdout]    |
[INFO] [stdout] 22 | The log level can be set via the `RUST_LOG` environment variable:
[INFO] [stdout]    |                                  ^
[INFO] [stdout]    |
[INFO] [stdout] help: Unicode character '`' (Grave Accent) looks like ''' (Single Quote), but it is not
[INFO] [stdout]    |
[INFO] [stdout] 22 - The log level can be set via the `RUST_LOG` environment variable:
[INFO] [stdout] 22 + The log level can be set via the 'RUST_LOG` environment variable:
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: unknown start of token: `
[INFO] [stdout]   --> src/lib.rs:22:43
[INFO] [stdout]    |
[INFO] [stdout] 22 | The log level can be set via the `RUST_LOG` environment variable:
[INFO] [stdout]    |                                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: Unicode character '`' (Grave Accent) looks like ''' (Single Quote), but it is not
[INFO] [stdout]    |
[INFO] [stdout] 22 - The log level can be set via the `RUST_LOG` environment variable:
[INFO] [stdout] 22 + The log level can be set via the `RUST_LOG' environment variable:
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `!` or `::`, found `log`
[INFO] [stdout]   --> src/lib.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | The log level can be set via the `RUST_LOG` environment variable:
[INFO] [stdout]    |     ^^^ expected one of `!` or `::`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Local (line 12)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "1b011f9cdcccd9955031baeb951dca38e6872f0e14f3bc30d31802281c11c311", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b011f9cdcccd9955031baeb951dca38e6872f0e14f3bc30d31802281c11c311", kill_on_drop: false }`
[INFO] [stdout] 1b011f9cdcccd9955031baeb951dca38e6872f0e14f3bc30d31802281c11c311
