[INFO] fetching crate betterunion 0.1.1...
[INFO] testing betterunion-0.1.1 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate betterunion 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate betterunion 0.1.1
[INFO] finished tweaking crates.io crate betterunion 0.1.1
[INFO] tweaked toml for crates.io crate betterunion 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate betterunion 0.1.1 on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate betterunion 0.1.1 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-2026-03-05" "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-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31c83aabe39138dcf2a155700683a2fafb7d27a7516c6b483047ae6904fca77e
[INFO] running `Command { std: "docker" "start" "-a" "31c83aabe39138dcf2a155700683a2fafb7d27a7516c6b483047ae6904fca77e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31c83aabe39138dcf2a155700683a2fafb7d27a7516c6b483047ae6904fca77e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31c83aabe39138dcf2a155700683a2fafb7d27a7516c6b483047ae6904fca77e", kill_on_drop: false }`
[INFO] [stdout] 31c83aabe39138dcf2a155700683a2fafb7d27a7516c6b483047ae6904fca77e
[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-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff626c68c305531452e39f39b093441e3aa22975a9ff7e640b61be319de06eb5
[INFO] running `Command { std: "docker" "start" "-a" "ff626c68c305531452e39f39b093441e3aa22975a9ff7e640b61be319de06eb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytemuck v1.23.2
[INFO] [stderr]    Compiling betterunion v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "ff626c68c305531452e39f39b093441e3aa22975a9ff7e640b61be319de06eb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff626c68c305531452e39f39b093441e3aa22975a9ff7e640b61be319de06eb5", kill_on_drop: false }`
[INFO] [stdout] ff626c68c305531452e39f39b093441e3aa22975a9ff7e640b61be319de06eb5
[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-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbbfd1ec477ed390777249c7867d7045ffc4e6f090bfa5a0c073e1874d2efa52
[INFO] running `Command { std: "docker" "start" "-a" "cbbfd1ec477ed390777249c7867d7045ffc4e6f090bfa5a0c073e1874d2efa52", kill_on_drop: false }`
[INFO] [stderr]    Compiling betterunion v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "cbbfd1ec477ed390777249c7867d7045ffc4e6f090bfa5a0c073e1874d2efa52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbbfd1ec477ed390777249c7867d7045ffc4e6f090bfa5a0c073e1874d2efa52", kill_on_drop: false }`
[INFO] [stdout] cbbfd1ec477ed390777249c7867d7045ffc4e6f090bfa5a0c073e1874d2efa52
[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-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] df25c9f33fba70b6a6afad376d8fa631111d4b33e46f6dbd1ea45706ebba4a83
[INFO] running `Command { std: "docker" "start" "-a" "df25c9f33fba70b6a6afad376d8fa631111d4b33e46f6dbd1ea45706ebba4a83", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/betterunion-996ff06fd5d582ff)
[INFO] [stderr]    Doc-tests betterunion
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - BetterUnion (line 36) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - BetterUnion (line 36) stdout ----
[INFO] [stdout] error[E0433]: cannot find type `BetterUnion` in this scope
[INFO] [stdout]   --> src/lib.rs:39:15
[INFO] [stdout]    |
[INFO] [stdout] 39 | let mut buf = BetterUnion::<8>::new();
[INFO] [stdout]    |               ^^^^^^^^^^^ use of undeclared type `BetterUnion`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `BetterUnion` in this scope
[INFO] [stdout]   --> src/lib.rs:46:16
[INFO] [stdout]    |
[INFO] [stdout] 46 | let mut buf2 = BetterUnion::<8>::new();
[INFO] [stdout]    |                ^^^^^^^^^^^ use of undeclared type `BetterUnion`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - BetterUnion (line 36)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.40s; merged doctests compilation took 0.15s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "df25c9f33fba70b6a6afad376d8fa631111d4b33e46f6dbd1ea45706ebba4a83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df25c9f33fba70b6a6afad376d8fa631111d4b33e46f6dbd1ea45706ebba4a83", kill_on_drop: false }`
[INFO] [stdout] df25c9f33fba70b6a6afad376d8fa631111d4b33e46f6dbd1ea45706ebba4a83
