[INFO] fetching crate lubeck 0.0.0-prealpha.5-abandoned... [INFO] testing lubeck-0.0.0-prealpha.5-abandoned against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate lubeck 0.0.0-prealpha.5-abandoned into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate lubeck 0.0.0-prealpha.5-abandoned [INFO] finished tweaking crates.io crate lubeck 0.0.0-prealpha.5-abandoned [INFO] tweaked toml for crates.io crate lubeck 0.0.0-prealpha.5-abandoned written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate lubeck 0.0.0-prealpha.5-abandoned 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 lubeck 0.0.0-prealpha.5-abandoned 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c79738df829b2edd0e13a346abd7e1dc789e09d02c53becadfc1add72ea7063c [INFO] running `Command { std: "docker" "start" "-a" "c79738df829b2edd0e13a346abd7e1dc789e09d02c53becadfc1add72ea7063c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c79738df829b2edd0e13a346abd7e1dc789e09d02c53becadfc1add72ea7063c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c79738df829b2edd0e13a346abd7e1dc789e09d02c53becadfc1add72ea7063c", kill_on_drop: false }` [INFO] [stdout] c79738df829b2edd0e13a346abd7e1dc789e09d02c53becadfc1add72ea7063c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1a2e1b059862f87056625ee557db54ed961ba921c87da92a2490b2641812c629 [INFO] running `Command { std: "docker" "start" "-a" "1a2e1b059862f87056625ee557db54ed961ba921c87da92a2490b2641812c629", kill_on_drop: false }` [INFO] [stderr] Compiling lubeck v0.0.0-prealpha.5-abandoned (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/common/transformer/optiont/generic_try.rs:99:24 [INFO] [stdout] | [INFO] [stdout] 99 | fn app(self, f: Self::Type) -> Self::Type [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s [INFO] running `Command { std: "docker" "inspect" "1a2e1b059862f87056625ee557db54ed961ba921c87da92a2490b2641812c629", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a2e1b059862f87056625ee557db54ed961ba921c87da92a2490b2641812c629", kill_on_drop: false }` [INFO] [stdout] 1a2e1b059862f87056625ee557db54ed961ba921c87da92a2490b2641812c629 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3c6bed2a3a012c83eaf700af2a91272d0208d11e604ece17e5d43590ffdaa7b2 [INFO] running `Command { std: "docker" "start" "-a" "3c6bed2a3a012c83eaf700af2a91272d0208d11e604ece17e5d43590ffdaa7b2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling fastrand v1.7.0 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling quick-error v2.0.1 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/common/transformer/optiont/generic_try.rs:99:24 [INFO] [stdout] | [INFO] [stdout] 99 | fn app(self, f: Self::Type) -> Self::Type [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling getrandom v0.2.6 [INFO] [stderr] Compiling tempfile v3.3.0 [INFO] [stderr] Compiling wait-timeout v0.2.0 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rusty-fork v0.3.0 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand_xorshift v0.3.0 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling proptest v1.0.0 [INFO] [stderr] Compiling lubeck v0.0.0-prealpha.5-abandoned (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/common/transformer/optiont/generic_try.rs:99:24 [INFO] [stdout] | [INFO] [stdout] 99 | fn app(self, f: Self::Type) -> Self::Type [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 7.73s [INFO] running `Command { std: "docker" "inspect" "3c6bed2a3a012c83eaf700af2a91272d0208d11e604ece17e5d43590ffdaa7b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c6bed2a3a012c83eaf700af2a91272d0208d11e604ece17e5d43590ffdaa7b2", kill_on_drop: false }` [INFO] [stdout] 3c6bed2a3a012c83eaf700af2a91272d0208d11e604ece17e5d43590ffdaa7b2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7323ea24e74e8e3c9c41d625c1d39537d3964c0a269a526d27cc48a17f982caa [INFO] running `Command { std: "docker" "start" "-a" "7323ea24e74e8e3c9c41d625c1d39537d3964c0a269a526d27cc48a17f982caa", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/common/transformer/optiont/generic_try.rs:99:24 [INFO] [stderr] | [INFO] [stderr] 99 | fn app(self, f: Self::Type) -> Self::Type [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `lubeck` (lib) generated 1 warning [INFO] [stderr] warning: `lubeck` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lubeck-16a24496938dcefb) [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] Running tests/monoid_impls.rs (/opt/rustwide/target/debug/deps/monoid_impls-4ccd64c250aafc6c) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test string_mempty_left_id ... ok [INFO] [stdout] test string_mempty_right_id ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.85s [INFO] [stdout] [INFO] [stderr] Running tests/semigroup_impls.rs (/opt/rustwide/target/debug/deps/semigroup_impls-dfd1858209fa310e) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Doc-tests lubeck [INFO] [stdout] test string_mappend_associativity ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 9.96s [INFO] [stdout] [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] running `Command { std: "docker" "inspect" "7323ea24e74e8e3c9c41d625c1d39537d3964c0a269a526d27cc48a17f982caa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7323ea24e74e8e3c9c41d625c1d39537d3964c0a269a526d27cc48a17f982caa", kill_on_drop: false }` [INFO] [stdout] 7323ea24e74e8e3c9c41d625c1d39537d3964c0a269a526d27cc48a17f982caa