[INFO] fetching crate rusty-hkt 0.1.0...
[INFO] testing rusty-hkt-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rusty-hkt 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate rusty-hkt 0.1.0
[INFO] finished tweaking crates.io crate rusty-hkt 0.1.0
[INFO] tweaked toml for crates.io crate rusty-hkt 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rusty-hkt 0.1.0 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 rusty-hkt 0.1.0 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 302f86a34026b9c1cde580ed8819c16f53a7026ea6eb2cf55f71a40122e79255
[INFO] running `Command { std: "docker" "start" "-a" "302f86a34026b9c1cde580ed8819c16f53a7026ea6eb2cf55f71a40122e79255", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "302f86a34026b9c1cde580ed8819c16f53a7026ea6eb2cf55f71a40122e79255", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "302f86a34026b9c1cde580ed8819c16f53a7026ea6eb2cf55f71a40122e79255", kill_on_drop: false }`
[INFO] [stdout] 302f86a34026b9c1cde580ed8819c16f53a7026ea6eb2cf55f71a40122e79255
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0eb1ef9a00dec965d5528d8b03beb3057df1a56fd88bc795ea2573d31c5f1fb1
[INFO] running `Command { std: "docker" "start" "-a" "0eb1ef9a00dec965d5528d8b03beb3057df1a56fd88bc795ea2573d31c5f1fb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusty-hkt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "0eb1ef9a00dec965d5528d8b03beb3057df1a56fd88bc795ea2573d31c5f1fb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eb1ef9a00dec965d5528d8b03beb3057df1a56fd88bc795ea2573d31c5f1fb1", kill_on_drop: false }`
[INFO] [stdout] 0eb1ef9a00dec965d5528d8b03beb3057df1a56fd88bc795ea2573d31c5f1fb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 98dc979f2abc955ef44025ee1e5c446911b2bf5d0b0b7f77d7011cf7271fa3a2
[INFO] running `Command { std: "docker" "start" "-a" "98dc979f2abc955ef44025ee1e5c446911b2bf5d0b0b7f77d7011cf7271fa3a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusty-hkt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "98dc979f2abc955ef44025ee1e5c446911b2bf5d0b0b7f77d7011cf7271fa3a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98dc979f2abc955ef44025ee1e5c446911b2bf5d0b0b7f77d7011cf7271fa3a2", kill_on_drop: false }`
[INFO] [stdout] 98dc979f2abc955ef44025ee1e5c446911b2bf5d0b0b7f77d7011cf7271fa3a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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", kill_on_drop: false }`
[INFO] [stdout] 54ff63fff458e9cbbc3963a509463f31ed485ccb5a8956bdf08e98d41b5c7aa4
[INFO] running `Command { std: "docker" "start" "-a" "54ff63fff458e9cbbc3963a509463f31ed485ccb5a8956bdf08e98d41b5c7aa4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rusty_hkt-aaca4ed064771d32)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::result_monad ... ok
[INFO] [stdout] test tests::identity_monad ... ok
[INFO] [stdout] test tests::vec_functor ... ok
[INFO] [stdout] test tests::option_functor ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rusty_hkt
[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" "54ff63fff458e9cbbc3963a509463f31ed485ccb5a8956bdf08e98d41b5c7aa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54ff63fff458e9cbbc3963a509463f31ed485ccb5a8956bdf08e98d41b5c7aa4", kill_on_drop: false }`
[INFO] [stdout] 54ff63fff458e9cbbc3963a509463f31ed485ccb5a8956bdf08e98d41b5c7aa4
