[INFO] fetching crate error-stack-derive 0.1.0...
[INFO] testing error-stack-derive-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate error-stack-derive 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate error-stack-derive 0.1.0
[INFO] finished tweaking crates.io crate error-stack-derive 0.1.0
[INFO] tweaked toml for crates.io crate error-stack-derive 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate error-stack-derive 0.1.0 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] crate crates.io crate error-stack-derive 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ebc5bd671bcfb0c1029b5fad22dc25a967438c9d96609a12630c91f5aa6604e
[INFO] running `Command { std: "docker" "start" "-a" "8ebc5bd671bcfb0c1029b5fad22dc25a967438c9d96609a12630c91f5aa6604e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ebc5bd671bcfb0c1029b5fad22dc25a967438c9d96609a12630c91f5aa6604e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ebc5bd671bcfb0c1029b5fad22dc25a967438c9d96609a12630c91f5aa6604e", kill_on_drop: false }`
[INFO] [stdout] 8ebc5bd671bcfb0c1029b5fad22dc25a967438c9d96609a12630c91f5aa6604e
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32bccd038147abdb9bcbe9a6d4ca389c6b614942f5ff0bb49dea7582fc87f088
[INFO] running `Command { std: "docker" "start" "-a" "32bccd038147abdb9bcbe9a6d4ca389c6b614942f5ff0bb49dea7582fc87f088", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling error-stack-derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.72s
[INFO] running `Command { std: "docker" "inspect" "32bccd038147abdb9bcbe9a6d4ca389c6b614942f5ff0bb49dea7582fc87f088", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32bccd038147abdb9bcbe9a6d4ca389c6b614942f5ff0bb49dea7582fc87f088", kill_on_drop: false }`
[INFO] [stdout] 32bccd038147abdb9bcbe9a6d4ca389c6b614942f5ff0bb49dea7582fc87f088
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93c6516983595ee064f48bc51174c597c2f473efb8fa79e44868572ffc948681
[INFO] running `Command { std: "docker" "start" "-a" "93c6516983595ee064f48bc51174c597c2f473efb8fa79e44868572ffc948681", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling itoa v1.0.3
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling error-stack v0.1.1
[INFO] [stderr]    Compiling error-stack-derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.35s
[INFO] running `Command { std: "docker" "inspect" "93c6516983595ee064f48bc51174c597c2f473efb8fa79e44868572ffc948681", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93c6516983595ee064f48bc51174c597c2f473efb8fa79e44868572ffc948681", kill_on_drop: false }`
[INFO] [stdout] 93c6516983595ee064f48bc51174c597c2f473efb8fa79e44868572ffc948681
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2354008fdcb2a8a0a7c12bad352c73af04f3fe74bc62cb9b8b2094e66e1c8daa
[INFO] running `Command { std: "docker" "start" "-a" "2354008fdcb2a8a0a7c12bad352c73af04f3fe74bc62cb9b8b2094e66e1c8daa", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/error_stack_derive-2ab1f9fc205b02de)
[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 error_stack_derive
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 73) ... ok
[INFO] [stdout] test src/lib.rs - (line 92) ... FAILED
[INFO] [stdout] test src/lib.rs - error (line 150) ... ok
[INFO] [stdout] test src/lib.rs - (line 47) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 21) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 92) stdout ----
[INFO] [stdout] error: positional arguments cannot follow named arguments
[INFO] [stdout]   --> src/lib.rs:120:114
[INFO] [stdout]    |
[INFO] [stdout] 31 |             Self::BarError => _____fmt.write_str(&format!("[{name}] An error occured; {:?}", name = "FooErrors", self)),
[INFO] [stdout]    |                                                                                              ------------------  ^^^^ positional arguments must be before named arguments
[INFO] [stdout]    |                                                                                              |
[INFO] [stdout]    |                                                                                              named argument
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 47) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: FooError("No such file or directory (os error 2)")
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 21) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: An exception occured in foo
[INFO] [stdout]              at src/lib.rs:14:10
[INFO] [stdout]       - Unable to read foo.txt file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]    0: No such file or directory (os error 2)
[INFO] [stdout]              at src/lib.rs:13:10
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 21)
[INFO] [stdout]     src/lib.rs - (line 47)
[INFO] [stdout]     src/lib.rs - (line 92)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.86s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "2354008fdcb2a8a0a7c12bad352c73af04f3fe74bc62cb9b8b2094e66e1c8daa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2354008fdcb2a8a0a7c12bad352c73af04f3fe74bc62cb9b8b2094e66e1c8daa", kill_on_drop: false }`
[INFO] [stdout] 2354008fdcb2a8a0a7c12bad352c73af04f3fe74bc62cb9b8b2094e66e1c8daa
