[INFO] fetching crate werror 0.4.0...
[INFO] testing werror-0.4.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate werror 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate werror 0.4.0
[INFO] finished tweaking crates.io crate werror 0.4.0
[INFO] tweaked toml for crates.io crate werror 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate werror 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] crate crates.io crate werror 0.4.0 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-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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 2d17cdf6ce671623cbd85dd5678d876622ce8b2007cf402c15d9ab371f4d0ada
[INFO] running `Command { std: "docker" "start" "-a" "2d17cdf6ce671623cbd85dd5678d876622ce8b2007cf402c15d9ab371f4d0ada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d17cdf6ce671623cbd85dd5678d876622ce8b2007cf402c15d9ab371f4d0ada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d17cdf6ce671623cbd85dd5678d876622ce8b2007cf402c15d9ab371f4d0ada", kill_on_drop: false }`
[INFO] [stdout] 2d17cdf6ce671623cbd85dd5678d876622ce8b2007cf402c15d9ab371f4d0ada
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 8ae9c7b7504d0800de257c3474a331265e7f8594a557841c0335cce9bba334b7
[INFO] running `Command { std: "docker" "start" "-a" "8ae9c7b7504d0800de257c3474a331265e7f8594a557841c0335cce9bba334b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.68
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]    Compiling error_tools v0.4.0
[INFO] [stderr]    Compiling werror v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.32s
[INFO] running `Command { std: "docker" "inspect" "8ae9c7b7504d0800de257c3474a331265e7f8594a557841c0335cce9bba334b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ae9c7b7504d0800de257c3474a331265e7f8594a557841c0335cce9bba334b7", kill_on_drop: false }`
[INFO] [stdout] 8ae9c7b7504d0800de257c3474a331265e7f8594a557841c0335cce9bba334b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 90d62a09554a505e6f2f56b02fcddeabde12fe1f9ae81e604e738d1a69a6da60
[INFO] running `Command { std: "docker" "start" "-a" "90d62a09554a505e6f2f56b02fcddeabde12fe1f9ae81e604e738d1a69a6da60", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling semver v1.0.19
[INFO] [stderr]    Compiling interval_adapter v0.2.3
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling trybuild v1.0.85
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling is_slice v0.4.0
[INFO] [stderr]    Compiling error_tools v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling literally v0.1.3
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling type_constructor v0.1.19
[INFO] [stderr]    Compiling implements v0.3.0
[INFO] [stderr]    Compiling termcolor v1.3.0
[INFO] [stderr]    Compiling dissimilar v1.0.7
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling winterval v0.1.5
[INFO] [stderr]    Compiling for_each v0.3.0
[INFO] [stderr]    Compiling mem_tools v0.1.1
[INFO] [stderr]    Compiling werror v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling pretty_assertions v1.4.0
[INFO] [stderr]    Compiling data_type v0.1.9
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling diagnostics_tools v0.3.0
[INFO] [stderr]    Compiling inspect_type v0.5.0
[INFO] [stderr]    Compiling test_tools v0.5.0
[INFO] [stderr]    Compiling typing_tools v0.3.0
[INFO] [stderr]    Compiling basic-toml v0.1.4
[INFO] [stderr]    Compiling macro_tools v0.2.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling derive_tools_meta v0.2.0
[INFO] [stderr]    Compiling impls_index_meta v0.2.0
[INFO] [stderr]    Compiling impls_index v0.2.0
[INFO] [stderr]    Compiling derive_tools v0.2.0
[INFO] [stderr]    Compiling mod_interface_meta v0.3.0
[INFO] [stderr]    Compiling mod_interface v0.4.0
[INFO] [stderr]    Compiling meta_tools v0.5.0
[INFO] [stdout] error: couldn't read `tests/../../../core/error_tools/tests/inc/mod.rs`: No such file or directory (os error 2)
[INFO] [stdout]  --> tests/werror_tests.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | mod inc;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `werror` (test "werror_tests") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "90d62a09554a505e6f2f56b02fcddeabde12fe1f9ae81e604e738d1a69a6da60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90d62a09554a505e6f2f56b02fcddeabde12fe1f9ae81e604e738d1a69a6da60", kill_on_drop: false }`
[INFO] [stdout] 90d62a09554a505e6f2f56b02fcddeabde12fe1f9ae81e604e738d1a69a6da60
