[INFO] fetching crate n0-error 0.1.0...
[INFO] testing n0-error-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate n0-error 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate n0-error 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate n0-error 0.1.0
[INFO] tweaked toml for crates.io crate n0-error 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate n0-error 0.1.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate n0-error 0.1.0 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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f2f786af067e2ac450ad48f6cc6596da91d1ee5a7e6736a13849797e4ace4e9
[INFO] running `Command { std: "docker" "start" "-a" "4f2f786af067e2ac450ad48f6cc6596da91d1ee5a7e6736a13849797e4ace4e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f2f786af067e2ac450ad48f6cc6596da91d1ee5a7e6736a13849797e4ace4e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f2f786af067e2ac450ad48f6cc6596da91d1ee5a7e6736a13849797e4ace4e9", kill_on_drop: false }`
[INFO] [stdout] 4f2f786af067e2ac450ad48f6cc6596da91d1ee5a7e6736a13849797e4ace4e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46029bcfa3ff34bef410311ec830a0515364076c9d5b00aa1f80046e245ec3d8
[INFO] running `Command { std: "docker" "start" "-a" "46029bcfa3ff34bef410311ec830a0515364076c9d5b00aa1f80046e245ec3d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling n0-error-macros v0.1.0
[INFO] [stderr]    Compiling spez v0.1.2
[INFO] [stderr]    Compiling derive_more v2.0.1
[INFO] [stderr]    Compiling n0-error v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.98s
[INFO] running `Command { std: "docker" "inspect" "46029bcfa3ff34bef410311ec830a0515364076c9d5b00aa1f80046e245ec3d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46029bcfa3ff34bef410311ec830a0515364076c9d5b00aa1f80046e245ec3d8", kill_on_drop: false }`
[INFO] [stdout] 46029bcfa3ff34bef410311ec830a0515364076c9d5b00aa1f80046e245ec3d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d45f195af3ede986b3258fed20c0c108ac0701ac6083113c4272058a6c3fc935
[INFO] running `Command { std: "docker" "start" "-a" "d45f195af3ede986b3258fed20c0c108ac0701ac6083113c4272058a6c3fc935", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling n0-error v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.71s
[INFO] running `Command { std: "docker" "inspect" "d45f195af3ede986b3258fed20c0c108ac0701ac6083113c4272058a6c3fc935", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d45f195af3ede986b3258fed20c0c108ac0701ac6083113c4272058a6c3fc935", kill_on_drop: false }`
[INFO] [stdout] d45f195af3ede986b3258fed20c0c108ac0701ac6083113c4272058a6c3fc935
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b9433a1096fd2b81d562cd02b2fa7fdac87b7c150814908dfc0d496322c5ade6
[INFO] running `Command { std: "docker" "start" "-a" "b9433a1096fd2b81d562cd02b2fa7fdac87b7c150814908dfc0d496322c5ade6", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/n0_error-53766771528d9133)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test tests::downcast ... ok
[INFO] [stdout] test tests::test_any ... ok
[INFO] [stdout] test tests::test_ensure ... ok
[INFO] [stdout] test tests::test_context_none ... ok
[INFO] [stdout] test tests::test_format_err ... ok
[INFO] [stdout] test tests::test_io_err ... ok
[INFO] [stdout] test tests::test_message ... ok
[INFO] [stdout] test tests::test_option ... ok
[INFO] [stdout] test tests::test_sources ... ok
[INFO] [stdout] test tests::test_tuple_enum_source_and_meta ... ok
[INFO] [stdout] test tests::test_structs ... ok
[INFO] [stdout] test tests::test_structs_location ... ok
[INFO] [stdout] test tests::test_context ... ok
[INFO] [stdout] test tests::test_tuple_struct_basic ... ok
[INFO] [stdout] test tests::test_generics ... ok
[INFO] [stdout] test tests::test_skip_transparent_errors ... ok
[INFO] [stdout] test tests::test_whatever ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests n0_error
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - readme_doctest (line 120) ... ok
[INFO] [stdout] test src/lib.rs - (line 72) ... 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] [stdout] all doctests ran in 0.55s; merged doctests compilation took 0.54s
[INFO] running `Command { std: "docker" "inspect" "b9433a1096fd2b81d562cd02b2fa7fdac87b7c150814908dfc0d496322c5ade6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9433a1096fd2b81d562cd02b2fa7fdac87b7c150814908dfc0d496322c5ade6", kill_on_drop: false }`
[INFO] [stdout] b9433a1096fd2b81d562cd02b2fa7fdac87b7c150814908dfc0d496322c5ade6