[INFO] fetching crate karpal-std 0.4.0...
[INFO] testing karpal-std-0.4.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate karpal-std 0.4.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate karpal-std 0.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate karpal-std 0.4.0
[INFO] tweaked toml for crates.io crate karpal-std 0.4.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate karpal-std 0.4.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate karpal-std 0.4.0 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded amari-flynn-macros v0.19.1
[INFO] [stderr]   Downloaded karpal-recursion v0.4.0
[INFO] [stderr]   Downloaded amari-flynn v0.19.1
[INFO] [stderr]   Downloaded karpal-free v0.4.0
[INFO] [stderr]   Downloaded karpal-algebra v0.4.0
[INFO] [stderr]   Downloaded karpal-core v0.4.0
[INFO] [stderr]   Downloaded karpal-arrow v0.4.0
[INFO] [stderr]   Downloaded karpal-verify v0.4.0
[INFO] [stderr]   Downloaded karpal-optics v0.4.0
[INFO] [stderr]   Downloaded karpal-profunctor v0.4.0
[INFO] [stderr]   Downloaded karpal-proof-derive v0.4.0
[INFO] [stderr]   Downloaded karpal-proof v0.4.0
[INFO] [stderr]   Downloaded karpal-effect v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 027c69072f21eaf1ab24b962f9ba57966e2002c46a964feaaf535fb9cf2b4b98
[INFO] running `Command { std: "docker" "start" "-a" "027c69072f21eaf1ab24b962f9ba57966e2002c46a964feaaf535fb9cf2b4b98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "027c69072f21eaf1ab24b962f9ba57966e2002c46a964feaaf535fb9cf2b4b98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "027c69072f21eaf1ab24b962f9ba57966e2002c46a964feaaf535fb9cf2b4b98", kill_on_drop: false }`
[INFO] [stdout] 027c69072f21eaf1ab24b962f9ba57966e2002c46a964feaaf535fb9cf2b4b98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 349ee0965b3bb4a0e4723a7ca6b01d6fe3f4a945c9c12cfc4d1c6592aa6f9fcd
[INFO] running `Command { std: "docker" "start" "-a" "349ee0965b3bb4a0e4723a7ca6b01d6fe3f4a945c9c12cfc4d1c6592aa6f9fcd", kill_on_drop: false }`
[INFO] [stderr]    Compiling karpal-core v0.4.0
[INFO] [stderr]    Compiling karpal-proof-derive v0.4.0
[INFO] [stderr]    Compiling karpal-algebra v0.4.0
[INFO] [stderr]    Compiling karpal-profunctor v0.4.0
[INFO] [stderr]    Compiling karpal-free v0.4.0
[INFO] [stderr]    Compiling karpal-effect v0.4.0
[INFO] [stderr]    Compiling karpal-arrow v0.4.0
[INFO] [stderr]    Compiling karpal-optics v0.4.0
[INFO] [stderr]    Compiling karpal-recursion v0.4.0
[INFO] [stderr]    Compiling karpal-proof v0.4.0
[INFO] [stderr]    Compiling karpal-verify v0.4.0
[INFO] [stderr]    Compiling karpal-std v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.54s
[INFO] running `Command { std: "docker" "inspect" "349ee0965b3bb4a0e4723a7ca6b01d6fe3f4a945c9c12cfc4d1c6592aa6f9fcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "349ee0965b3bb4a0e4723a7ca6b01d6fe3f4a945c9c12cfc4d1c6592aa6f9fcd", kill_on_drop: false }`
[INFO] [stdout] 349ee0965b3bb4a0e4723a7ca6b01d6fe3f4a945c9c12cfc4d1c6592aa6f9fcd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16ee475e884511ec0283ae3df6350b7e1b577894b7da2b75e30ba76593109686
[INFO] running `Command { std: "docker" "start" "-a" "16ee475e884511ec0283ae3df6350b7e1b577894b7da2b75e30ba76593109686", kill_on_drop: false }`
[INFO] [stderr]    Compiling karpal-std v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "16ee475e884511ec0283ae3df6350b7e1b577894b7da2b75e30ba76593109686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16ee475e884511ec0283ae3df6350b7e1b577894b7da2b75e30ba76593109686", kill_on_drop: false }`
[INFO] [stdout] 16ee475e884511ec0283ae3df6350b7e1b577894b7da2b75e30ba76593109686
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7f0c526fc8636347ad218a9e6a29f62de3f23584dbb7e7499470ad3fff2a558e
[INFO] running `Command { std: "docker" "start" "-a" "7f0c526fc8636347ad218a9e6a29f62de3f23584dbb7e7499470ad3fff2a558e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/karpal_std-773f094394ef2e34)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::prelude_functor_accessible ... ok
[INFO] [stdout] test tests::prelude_prism_accessible ... ok
[INFO] [stdout] test tests::prelude_arrow_accessible ... ok
[INFO] [stdout] test tests::prelude_profunctor_accessible ... ok
[INFO] [stdout] test tests::prelude_verify_accessible ... ok
[INFO] [stdout] test tests::prelude_hkt_accessible ... ok
[INFO] [stderr]    Doc-tests karpal_std
[INFO] [stdout] test tests::prelude_lens_accessible ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[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" "7f0c526fc8636347ad218a9e6a29f62de3f23584dbb7e7499470ad3fff2a558e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f0c526fc8636347ad218a9e6a29f62de3f23584dbb7e7499470ad3fff2a558e", kill_on_drop: false }`
[INFO] [stdout] 7f0c526fc8636347ad218a9e6a29f62de3f23584dbb7e7499470ad3fff2a558e