[INFO] fetching crate custom-labels 0.4.5...
[INFO] testing custom-labels-0.4.5 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate custom-labels 0.4.5 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate custom-labels 0.4.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate custom-labels 0.4.5
[INFO] tweaked toml for crates.io crate custom-labels 0.4.5 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate custom-labels 0.4.5 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 custom-labels 0.4.5 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 352f867a8def5a0d2f03cefc5148dbc159b7888d145679eb17b52b254ee73d40
[INFO] running `Command { std: "docker" "start" "-a" "352f867a8def5a0d2f03cefc5148dbc159b7888d145679eb17b52b254ee73d40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "352f867a8def5a0d2f03cefc5148dbc159b7888d145679eb17b52b254ee73d40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "352f867a8def5a0d2f03cefc5148dbc159b7888d145679eb17b52b254ee73d40", kill_on_drop: false }`
[INFO] [stdout] 352f867a8def5a0d2f03cefc5148dbc159b7888d145679eb17b52b254ee73d40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] da9b99af75b1b2fd73f900d775f6c74845cf543e973b0941f4b4b1e3ca78aa3c
[INFO] running `Command { std: "docker" "start" "-a" "da9b99af75b1b2fd73f900d775f6c74845cf543e973b0941f4b4b1e3ca78aa3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling unicode-ident v1.0.23
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.8.9
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling bindgen v0.72.1
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling cc v1.2.55
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling custom-labels v0.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.43s
[INFO] running `Command { std: "docker" "inspect" "da9b99af75b1b2fd73f900d775f6c74845cf543e973b0941f4b4b1e3ca78aa3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da9b99af75b1b2fd73f900d775f6c74845cf543e973b0941f4b4b1e3ca78aa3c", kill_on_drop: false }`
[INFO] [stdout] da9b99af75b1b2fd73f900d775f6c74845cf543e973b0941f4b4b1e3ca78aa3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b83049d2b436a173c5833d5619ccba92062818de5b0a630e6f74ac7223b12af8
[INFO] running `Command { std: "docker" "start" "-a" "b83049d2b436a173c5833d5619ccba92062818de5b0a630e6f74ac7223b12af8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling bindgen v0.72.1
[INFO] [stderr]    Compiling custom-labels v0.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 12.74s
[INFO] running `Command { std: "docker" "inspect" "b83049d2b436a173c5833d5619ccba92062818de5b0a630e6f74ac7223b12af8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b83049d2b436a173c5833d5619ccba92062818de5b0a630e6f74ac7223b12af8", kill_on_drop: false }`
[INFO] [stdout] b83049d2b436a173c5833d5619ccba92062818de5b0a630e6f74ac7223b12af8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 55ab826c18809f77f406389ec880aa65ecfe754f8c9a165319fb25dd6a4fb87c
[INFO] running `Command { std: "docker" "start" "-a" "55ab826c18809f77f406389ec880aa65ecfe754f8c9a165319fb25dd6a4fb87c", 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/custom_labels-5ee6ff295e55bbed)
[INFO] [stderr]    Doc-tests custom_labels
[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 2 tests
[INFO] [stdout] test src/lib.rs - asynchronous::Label::with_labels (line 522) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - asynchronous::Label::with_labels (line 522) stdout ----
[INFO] [stdout] error[E0425]: cannot find value `i` in this scope
[INFO] [stdout]    --> src/lib.rs:526:17
[INFO] [stdout]     |
[INFO] [stdout] 526 | labelset.extend(i);
[INFO] [stdout]     |                 ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - asynchronous::Label::with_labels (line 522)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "55ab826c18809f77f406389ec880aa65ecfe754f8c9a165319fb25dd6a4fb87c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55ab826c18809f77f406389ec880aa65ecfe754f8c9a165319fb25dd6a4fb87c", kill_on_drop: false }`
[INFO] [stdout] 55ab826c18809f77f406389ec880aa65ecfe754f8c9a165319fb25dd6a4fb87c
