[INFO] fetching crate exun 0.2.0...
[INFO] testing exun-0.2.0 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate exun 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate exun 0.2.0
[INFO] finished tweaking crates.io crate exun 0.2.0
[INFO] tweaked toml for crates.io crate exun 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate exun 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]     Blocking waiting for file lock on package cache
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 2d5e64184ceaa647af34a5d16ba29b22b70f310ba8c1c04e8d2d7d465baeb570
[INFO] running `Command { std: "docker" "start" "-a" "2d5e64184ceaa647af34a5d16ba29b22b70f310ba8c1c04e8d2d7d465baeb570", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d5e64184ceaa647af34a5d16ba29b22b70f310ba8c1c04e8d2d7d465baeb570", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d5e64184ceaa647af34a5d16ba29b22b70f310ba8c1c04e8d2d7d465baeb570", kill_on_drop: false }`
[INFO] [stdout] 2d5e64184ceaa647af34a5d16ba29b22b70f310ba8c1c04e8d2d7d465baeb570
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 9345aeb7c8e5fa8713e541a73dda92711ae02d5f326a2dd96084f030725bb66c
[INFO] running `Command { std: "docker" "start" "-a" "9345aeb7c8e5fa8713e541a73dda92711ae02d5f326a2dd96084f030725bb66c", kill_on_drop: false }`
[INFO] [stderr]    Compiling exun v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "9345aeb7c8e5fa8713e541a73dda92711ae02d5f326a2dd96084f030725bb66c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9345aeb7c8e5fa8713e541a73dda92711ae02d5f326a2dd96084f030725bb66c", kill_on_drop: false }`
[INFO] [stdout] 9345aeb7c8e5fa8713e541a73dda92711ae02d5f326a2dd96084f030725bb66c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1e83b67b705b240aa3cb03969a60eace88f821eabf476e59f3ced52bbca75d0b
[INFO] running `Command { std: "docker" "start" "-a" "1e83b67b705b240aa3cb03969a60eace88f821eabf476e59f3ced52bbca75d0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling exun v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "1e83b67b705b240aa3cb03969a60eace88f821eabf476e59f3ced52bbca75d0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e83b67b705b240aa3cb03969a60eace88f821eabf476e59f3ced52bbca75d0b", kill_on_drop: false }`
[INFO] [stdout] 1e83b67b705b240aa3cb03969a60eace88f821eabf476e59f3ced52bbca75d0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 502ef6fb5813ce59c3a6f64fc0b7cd1835c0e96fd23b7f49b35801cbedd1fb3e
[INFO] running `Command { std: "docker" "start" "-a" "502ef6fb5813ce59c3a6f64fc0b7cd1835c0e96fd23b7f49b35801cbedd1fb3e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/exun-3f599d2dda78af3a)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests exun
[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] [stdout] 
[INFO] [stdout] running 41 tests
[INFO] [stdout] test src/exun.rs - exun::Exun<E,U>::as_mut (line 123) ... ok
[INFO] [stdout] test src/exun.rs - exun::Exun<E,U>::expect (line 225) ... ok
[INFO] [stdout] test src/exun.rs - exun::Exun<E,U>::unwrap_or (line 332) ... ok
[INFO] [stdout] test src/result.rs - result::ResultErrorExt::unexpect (line 25) ... ok
[INFO] [stdout] test src/exun.rs - exun::Exun<E,U>::expected (line 78) ... ok
[INFO] [stdout] test src/exun.rs - exun::Exun<E,U>::unwrap_unexpected (line 305) ... ok
[INFO] [stdout] test src/exun.rs - exun::Exun<E,U>::unwrap_unexpected (line 298) ... ok
[INFO] [stdout] test src/exun.rs - exun::Exun<E,U>::map (line 156) ... ok
[INFO] [stdout] test src/lib.rs - (line 71) ... ok
[INFO] [stdout] test src/lib.rs - (line 92) ... ok
[INFO] [stdout] test src/exun.rs - exun::Exun<E,U>::unwrap (line 263) ... ok
[INFO] [stdout] test src/lib.rs - (line 117) ... ok
[INFO] [stdout] test src/exun.rs - exun::Exun<E,U>::expect (line 213) ... ok
[INFO] [stdout] test src/result.rs - result::ResultErrorExt::unexpect (line 35) ... ok
[INFO] [stdout] test src/exun.rs - exun::Exun<E,U>::unwrap (line 270) ... ok
[INFO] [stdout] test src/exun.rs - exun::Exun<E,U>::unexpected (line 102) ... ok
[INFO] [stdout] test src/exun.rs - exun::Exun<E,U>::unwrap_or_else (line 355) ... ok
[INFO] [stdout] test src/result.rs - result::ResultErrorExt::unexpect (line 47) ... ok
[INFO] [stdout] test src/result.rs - result::ResultExunExt::unexpected_err (line 232) ... ok
[INFO] [stdout] test src/exun.rs - exun::Exun<E,U>::map_unexpected (line 181) ... ok
[INFO] [stdout] test src/lib.rs - (line 82) ... FAILED
[INFO] [stdout] test src/result.rs - result::ResultExunExt::unwrap_result (line 301) ... ok
[INFO] [stdout] test src/result.rs - result::ResultExunExt::unwrap_expected_err (line 326) ... ok
[INFO] [stdout] test src/result.rs - result::ResultMsgExt::unexpect_msg (line 115) ... ok
[INFO] [stdout] test src/result.rs - result::ResultExunExt::expected_err (line 214) ... ok
[INFO] [stdout] test src/result.rs - result::ResultExunExt::map_expected_err (line 252) ... ok
[INFO] [stdout] test src/unexpected.rs - unexpected::RawUnexpected::msg (line 81) ... ok
[INFO] [stdout] test src/result.rs - result::ResultNoneExt::unexpect_none (line 180) ... ok
[INFO] [stdout] test src/result.rs - result::ResultNoneExt::unexpect_none (line 146) ... ok
[INFO] [stdout] test src/result.rs - result::ResultMsgExt::unexpect_msg (line 104) ... ok
[INFO] [stdout] test src/unexpected.rs - unexpected::RawUnexpected::new (line 61) ... ok
[INFO] [stdout] test src/result.rs - result::ResultNoneExt::unexpect_none (line 168) ... ok
[INFO] [stdout] test src/result.rs - result::ResultExunExt::unwrap_unexpected_err (line 353) ... ok
[INFO] [stdout] test src/unexpected.rs - unexpected::RawUnexpected::source (line 120) ... ok
[INFO] [stdout] test src/result.rs - result::ResultMsgExt::unexpect_msg (line 95) ... ok
[INFO] [stdout] test src/unexpected.rs - unexpected::RawUnexpected::none (line 101) ... ok
[INFO] [stdout] test src/result.rs - result::ResultNoneExt::unexpect_none (line 156) ... ok
[INFO] [stdout] test src/result.rs - result::ResultExunExt::map_unexpected_err (line 274) ... ok
[INFO] [stdout] test src/unexpected.rs - unexpected::UnexpectedError::msg (line 175) ... ok
[INFO] [stdout] test src/unexpected.rs - unexpected::UnexpectedError::new (line 157) ... ok
[INFO] [stdout] test src/unexpected.rs - unexpected::UnexpectedError::none (line 193) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 82) stdout ----
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 |     Ok(num)
[INFO] [stdout]    |     -- ^^^ expected `i32`, found `&i32`
[INFO] [stdout]    |     |
[INFO] [stdout]    |     arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout] help: the type constructed contains `&i32` due to the type of the argument passed
[INFO] [stdout]   --> src/lib.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 |     Ok(num)
[INFO] [stdout]    |     ^^^---^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        this argument influences the type of `Ok`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/result.rs:561:4
[INFO] [stdout] help: consider dereferencing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 89 |     Ok(*num)
[INFO] [stdout]    |        +
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 82)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 40 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.71s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "502ef6fb5813ce59c3a6f64fc0b7cd1835c0e96fd23b7f49b35801cbedd1fb3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "502ef6fb5813ce59c3a6f64fc0b7cd1835c0e96fd23b7f49b35801cbedd1fb3e", kill_on_drop: false }`
[INFO] [stdout] 502ef6fb5813ce59c3a6f64fc0b7cd1835c0e96fd23b7f49b35801cbedd1fb3e
