[INFO] fetching crate extabs 1.0.3...
[INFO] testing extabs-1.0.3 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate extabs 1.0.3 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate extabs 1.0.3
[INFO] finished tweaking crates.io crate extabs 1.0.3
[INFO] tweaked toml for crates.io crate extabs 1.0.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate extabs 1.0.3 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90975d7716011b5a3352f759f535256c9979a027ad32aa20b73ee09881af15de
[INFO] running `Command { std: "docker" "start" "-a" "90975d7716011b5a3352f759f535256c9979a027ad32aa20b73ee09881af15de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90975d7716011b5a3352f759f535256c9979a027ad32aa20b73ee09881af15de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90975d7716011b5a3352f759f535256c9979a027ad32aa20b73ee09881af15de", kill_on_drop: false }`
[INFO] [stdout] 90975d7716011b5a3352f759f535256c9979a027ad32aa20b73ee09881af15de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc165626dcf127d3ead0d695a9009bcd83ca5fc8e735ad6b25082223ed7eb6f5
[INFO] running `Command { std: "docker" "start" "-a" "cc165626dcf127d3ead0d695a9009bcd83ca5fc8e735ad6b25082223ed7eb6f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling extabs v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "cc165626dcf127d3ead0d695a9009bcd83ca5fc8e735ad6b25082223ed7eb6f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc165626dcf127d3ead0d695a9009bcd83ca5fc8e735ad6b25082223ed7eb6f5", kill_on_drop: false }`
[INFO] [stdout] cc165626dcf127d3ead0d695a9009bcd83ca5fc8e735ad6b25082223ed7eb6f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 231553ed11efc0b1b02693a744a15571493079e31d46a1336961dd7171270b40
[INFO] running `Command { std: "docker" "start" "-a" "231553ed11efc0b1b02693a744a15571493079e31d46a1336961dd7171270b40", kill_on_drop: false }`
[INFO] [stderr]    Compiling extabs v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "231553ed11efc0b1b02693a744a15571493079e31d46a1336961dd7171270b40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "231553ed11efc0b1b02693a744a15571493079e31d46a1336961dd7171270b40", kill_on_drop: false }`
[INFO] [stdout] 231553ed11efc0b1b02693a744a15571493079e31d46a1336961dd7171270b40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c7f50552dd6c46e3e26c2282387fc824c5005b518777cff2a4ea0b354b4fe184
[INFO] running `Command { std: "docker" "start" "-a" "c7f50552dd6c46e3e26c2282387fc824c5005b518777cff2a4ea0b354b4fe184", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/extabs-eb025cfc80269597)
[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 extabs
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - String::expandtabs (line 21) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - String::expandtabs (line 21) stdout ----
[INFO] [stdout] error[E0599]: no method named `expandtabs` found for struct `String` in the current scope
[INFO] [stdout]  --> src/lib.rs:23:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | let expanded = s.expandtabs(4);
[INFO] [stdout]   |                  ^^^^^^^^^^ method not found in `String`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - String::expandtabs (line 21)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "c7f50552dd6c46e3e26c2282387fc824c5005b518777cff2a4ea0b354b4fe184", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7f50552dd6c46e3e26c2282387fc824c5005b518777cff2a4ea0b354b4fe184", kill_on_drop: false }`
[INFO] [stdout] c7f50552dd6c46e3e26c2282387fc824c5005b518777cff2a4ea0b354b4fe184