[INFO] fetching crate yash-env-test-helper 0.7.0...
[INFO] testing yash-env-test-helper-0.7.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate yash-env-test-helper 0.7.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate yash-env-test-helper 0.7.0
[INFO] finished tweaking crates.io crate yash-env-test-helper 0.7.0
[INFO] tweaked toml for crates.io crate yash-env-test-helper 0.7.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate yash-env-test-helper 0.7.0 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 yash-env-test-helper 0.7.0 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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc9a2e95a6976595cdd4274f2c73f1f8e6ae9f7fbef4b1576fa0013e8af416ad
[INFO] running `Command { std: "docker" "start" "-a" "bc9a2e95a6976595cdd4274f2c73f1f8e6ae9f7fbef4b1576fa0013e8af416ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc9a2e95a6976595cdd4274f2c73f1f8e6ae9f7fbef4b1576fa0013e8af416ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc9a2e95a6976595cdd4274f2c73f1f8e6ae9f7fbef4b1576fa0013e8af416ad", kill_on_drop: false }`
[INFO] [stdout] bc9a2e95a6976595cdd4274f2c73f1f8e6ae9f7fbef4b1576fa0013e8af416ad
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcd0dbe0f3c655734a7ece95f01ae649e674bdab3b3fdf628ffcc966f26f9152
[INFO] running `Command { std: "docker" "start" "-a" "bcd0dbe0f3c655734a7ece95f01ae649e674bdab3b3fdf628ffcc966f26f9152", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling unicode-width v0.2.1
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling annotate-snippets v0.12.4
[INFO] [stderr]    Compiling unix_str v1.0.0
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling unix_path v1.0.1
[INFO] [stderr]    Compiling yash-quote v1.1.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling yash-executor v1.0.0
[INFO] [stderr]    Compiling dyn-clone v1.0.20
[INFO] [stderr]    Compiling assert_matches v1.5.0
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling darling_macro v0.21.3
[INFO] [stderr]    Compiling strum v0.27.2
[INFO] [stderr]    Compiling darling v0.21.3
[INFO] [stderr]    Compiling enumset_derive v0.14.0
[INFO] [stderr]    Compiling yash-syntax v0.16.0
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling enumset v1.1.10
[INFO] [stderr]    Compiling yash-env v0.9.0
[INFO] [stderr]    Compiling yash-env-test-helper v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.67s
[INFO] running `Command { std: "docker" "inspect" "bcd0dbe0f3c655734a7ece95f01ae649e674bdab3b3fdf628ffcc966f26f9152", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcd0dbe0f3c655734a7ece95f01ae649e674bdab3b3fdf628ffcc966f26f9152", kill_on_drop: false }`
[INFO] [stdout] bcd0dbe0f3c655734a7ece95f01ae649e674bdab3b3fdf628ffcc966f26f9152
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0abcd184038ae10feb4dc866abf76bb4736aa7618daf1a2c891f21632a8af3f6
[INFO] running `Command { std: "docker" "start" "-a" "0abcd184038ae10feb4dc866abf76bb4736aa7618daf1a2c891f21632a8af3f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling yash-env-test-helper v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "0abcd184038ae10feb4dc866abf76bb4736aa7618daf1a2c891f21632a8af3f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0abcd184038ae10feb4dc866abf76bb4736aa7618daf1a2c891f21632a8af3f6", kill_on_drop: false }`
[INFO] [stdout] 0abcd184038ae10feb4dc866abf76bb4736aa7618daf1a2c891f21632a8af3f6
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5c45aaae5523c47ae7ce8ba9438213c1f789035195c840cf3c37a86af216e7c9
[INFO] running `Command { std: "docker" "start" "-a" "5c45aaae5523c47ae7ce8ba9438213c1f789035195c840cf3c37a86af216e7c9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/yash_env_test_helper-c086ef4396ea17b1)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests yash_env_test_helper
[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 1 test
[INFO] [stdout] test src/lib.rs - assert_stdout (line 101) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.83s; merged doctests compilation took 0.81s
[INFO] running `Command { std: "docker" "inspect" "5c45aaae5523c47ae7ce8ba9438213c1f789035195c840cf3c37a86af216e7c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c45aaae5523c47ae7ce8ba9438213c1f789035195c840cf3c37a86af216e7c9", kill_on_drop: false }`
[INFO] [stdout] 5c45aaae5523c47ae7ce8ba9438213c1f789035195c840cf3c37a86af216e7c9