[INFO] fetching crate flipflop 0.2.0...
[INFO] testing flipflop-0.2.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate flipflop 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate flipflop 0.2.0
[INFO] finished tweaking crates.io crate flipflop 0.2.0
[INFO] tweaked toml for crates.io crate flipflop 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate flipflop 0.2.0 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 flipflop 0.2.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 8bf5f5a05011d442f21b085d3883d78dca823142cce88cc417c214c1e7ef0950
[INFO] running `Command { std: "docker" "start" "-a" "8bf5f5a05011d442f21b085d3883d78dca823142cce88cc417c214c1e7ef0950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bf5f5a05011d442f21b085d3883d78dca823142cce88cc417c214c1e7ef0950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bf5f5a05011d442f21b085d3883d78dca823142cce88cc417c214c1e7ef0950", kill_on_drop: false }`
[INFO] [stdout] 8bf5f5a05011d442f21b085d3883d78dca823142cce88cc417c214c1e7ef0950
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6fe19dbe65bd17716e4d3e2254cd933897c8b205288bc67fd85fb297b5c45ff0
[INFO] running `Command { std: "docker" "start" "-a" "6fe19dbe65bd17716e4d3e2254cd933897c8b205288bc67fd85fb297b5c45ff0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling flipflop v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.82s
[INFO] running `Command { std: "docker" "inspect" "6fe19dbe65bd17716e4d3e2254cd933897c8b205288bc67fd85fb297b5c45ff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fe19dbe65bd17716e4d3e2254cd933897c8b205288bc67fd85fb297b5c45ff0", kill_on_drop: false }`
[INFO] [stdout] 6fe19dbe65bd17716e4d3e2254cd933897c8b205288bc67fd85fb297b5c45ff0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 354bcd0f906dfa9eb253fdacca523c8fe9089c695dd095fc1d15edc44d7225a0
[INFO] running `Command { std: "docker" "start" "-a" "354bcd0f906dfa9eb253fdacca523c8fe9089c695dd095fc1d15edc44d7225a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling flipflop v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "354bcd0f906dfa9eb253fdacca523c8fe9089c695dd095fc1d15edc44d7225a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "354bcd0f906dfa9eb253fdacca523c8fe9089c695dd095fc1d15edc44d7225a0", kill_on_drop: false }`
[INFO] [stdout] 354bcd0f906dfa9eb253fdacca523c8fe9089c695dd095fc1d15edc44d7225a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5a672286531813de3fe187b729fb245f026aa3c732691ebf3cb40f41061f0a73
[INFO] running `Command { std: "docker" "start" "-a" "5a672286531813de3fe187b729fb245f026aa3c732691ebf3cb40f41061f0a73", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/flipflop-d96dcff5b0e8fa5d)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test error::tests::failed_empty ... ok
[INFO] [stdout] test error::tests::failed_empty_bwd_nonempty ... ok
[INFO] [stdout] test error::tests::failed_empty_bwd_empty ... ok
[INFO] [stdout] test error::tests::failed_empty_fwd_empty ... ok
[INFO] [stdout] test error::tests::failed_insert_bwd ... ok
[INFO] [stdout] test error::tests::failed_nonempty_bwd_empty ... ok
[INFO] [stdout] test error::tests::failed_insert_fwd ... ok
[INFO] [stdout] test error::tests::failed_nonempty_bwd_nonempty ... ok
[INFO] [stdout] test error::tests::failed_nonempty_fwd_empty ... ok
[INFO] [stdout] test error::tests::failed_nonempty_fwd_nonempty ... ok
[INFO] [stdout] test suite::tests::consistent_weird_iterator ... ok
[INFO] [stdout] test suite::tests::inconsistent_empty ... ok
[INFO] [stdout] test suite::tests::simple_weird_iterator ... ok
[INFO] [stdout] test error::tests::failed_empty_fwd_nonempty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests flipflop
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.55s; merged doctests compilation took 0.53s
[INFO] running `Command { std: "docker" "inspect" "5a672286531813de3fe187b729fb245f026aa3c732691ebf3cb40f41061f0a73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a672286531813de3fe187b729fb245f026aa3c732691ebf3cb40f41061f0a73", kill_on_drop: false }`
[INFO] [stdout] 5a672286531813de3fe187b729fb245f026aa3c732691ebf3cb40f41061f0a73