[INFO] fetching crate akin 0.4.0...
[INFO] testing akin-0.4.0 against beta-2026-04-21 for beta-1.96-1
[INFO] extracting crate akin 0.4.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate akin 0.4.0
[INFO] finished tweaking crates.io crate akin 0.4.0
[INFO] tweaked toml for crates.io crate akin 0.4.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate akin 0.4.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6730ed6750fcb02a7dedb1e99c9701f1ae7c7c5ff9190895554e42d3c8c4e598
[INFO] running `Command { std: "docker" "start" "-a" "6730ed6750fcb02a7dedb1e99c9701f1ae7c7c5ff9190895554e42d3c8c4e598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6730ed6750fcb02a7dedb1e99c9701f1ae7c7c5ff9190895554e42d3c8c4e598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6730ed6750fcb02a7dedb1e99c9701f1ae7c7c5ff9190895554e42d3c8c4e598", kill_on_drop: false }`
[INFO] [stdout] 6730ed6750fcb02a7dedb1e99c9701f1ae7c7c5ff9190895554e42d3c8c4e598
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee734d8b7eb5b31e5815fb45f0eae501c3af568c71f5ee32d94cbd25b7e84c8c
[INFO] running `Command { std: "docker" "start" "-a" "ee734d8b7eb5b31e5815fb45f0eae501c3af568c71f5ee32d94cbd25b7e84c8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling akin v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "ee734d8b7eb5b31e5815fb45f0eae501c3af568c71f5ee32d94cbd25b7e84c8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee734d8b7eb5b31e5815fb45f0eae501c3af568c71f5ee32d94cbd25b7e84c8c", kill_on_drop: false }`
[INFO] [stdout] ee734d8b7eb5b31e5815fb45f0eae501c3af568c71f5ee32d94cbd25b7e84c8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49eb270e446421998075ba67f699ae8ba49a10549747b3a14d637d802f7b29b9
[INFO] running `Command { std: "docker" "start" "-a" "49eb270e446421998075ba67f699ae8ba49a10549747b3a14d637d802f7b29b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling akin v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "49eb270e446421998075ba67f699ae8ba49a10549747b3a14d637d802f7b29b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49eb270e446421998075ba67f699ae8ba49a10549747b3a14d637d802f7b29b9", kill_on_drop: false }`
[INFO] [stdout] 49eb270e446421998075ba67f699ae8ba49a10549747b3a14d637d802f7b29b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8da92764e3002b7b668571e854a18e97d1fecc3f50dd5b0d261e4f5df2bbcc71
[INFO] running `Command { std: "docker" "start" "-a" "8da92764e3002b7b668571e854a18e97d1fecc3f50dd5b0d261e4f5df2bbcc71", 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/akin-f6db14b50f42e122)
[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/basic.rs (/opt/rustwide/target/debug/deps/basic-97d7050513b2aba0)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test modifier_carry_over_bug ... ok
[INFO] [stdout] test one_token ... ok
[INFO] [stdout] test multiple_diff_len2 ... ok
[INFO] [stdout] test multiple_same_len ... ok
[INFO] [stdout] test one_token_repeated ... ok
[INFO] [stdout] test range_expression ... ok
[INFO] [stdout] test _match ... ok
[INFO] [stdout] test readme_example ... ok
[INFO] [stdout] test multiple_diff_len ... ok
[INFO] [stdout] test fn_joint ... ok
[INFO] [stdout] test repeated_substitution_bug ... ok
[INFO] [stdout] test replace_no_variants_bug ... ok
[INFO] [stdout] test var_replace_code ... ok
[INFO] [stdout] test var_replace_code_bug ... ok
[INFO] [stdout] test var_replace_value_bug ... ok
[INFO] [stdout] test zero_tokens ... ok
[INFO] [stdout] test _trait ... ok
[INFO] [stdout] test var_replace_global ... ok
[INFO] [stdout] test basic ... ok
[INFO] [stdout] test var_replace_value ... ok
[INFO] [stdout] test var_replace_global_bug ... ok
[INFO] [stdout] test range_expression_inclusive ... ok
[INFO] [stdout] test list ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/complex.rs (/opt/rustwide/target/debug/deps/complex-fe618550c78ab7c8)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test operations ... ok
[INFO] [stdout] test replace ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests akin
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test src/lib.rs - akin (line 96) ... ignored
[INFO] [stdout] test src/lib.rs - akin (line 139) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - akin (line 22) ... ok
[INFO] [stdout] test src/lib.rs - akin (line 130) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - akin (line 153) ... ok
[INFO] [stdout] test src/lib.rs - akin (line 64) ... ok
[INFO] [stdout] test src/lib.rs - akin (line 12) ... ok
[INFO] [stdout] test src/lib.rs - akin (line 107) ... ok
[INFO] [stdout] test src/lib.rs - akin (line 79) ... ok
[INFO] [stdout] test src/lib.rs - akin (line 143) ... ok
[INFO] [stdout] test src/lib.rs - akin (line 204) ... ok
[INFO] [stdout] test src/lib.rs - akin (line 31) ... ok
[INFO] [stdout] test src/lib.rs - akin (line 162) ... ok
[INFO] [stdout] test src/lib.rs - akin (line 36) ... ok
[INFO] [stdout] test src/lib.rs - akin (line 55) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.75s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8da92764e3002b7b668571e854a18e97d1fecc3f50dd5b0d261e4f5df2bbcc71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8da92764e3002b7b668571e854a18e97d1fecc3f50dd5b0d261e4f5df2bbcc71", kill_on_drop: false }`
[INFO] [stdout] 8da92764e3002b7b668571e854a18e97d1fecc3f50dd5b0d261e4f5df2bbcc71