[INFO] fetching crate generator-combinator 0.3.0...
[INFO] testing generator-combinator-0.3.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate generator-combinator 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate generator-combinator 0.3.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate generator-combinator 0.3.0
[INFO] finished tweaking crates.io crate generator-combinator 0.3.0
[INFO] tweaked toml for crates.io crate generator-combinator 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quickcheck v1.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01f431cefd0cbadbbc83c5ac4c4d8e3b5f95634cf8cc883fc292db0f316dce24
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "01f431cefd0cbadbbc83c5ac4c4d8e3b5f95634cf8cc883fc292db0f316dce24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01f431cefd0cbadbbc83c5ac4c4d8e3b5f95634cf8cc883fc292db0f316dce24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01f431cefd0cbadbbc83c5ac4c4d8e3b5f95634cf8cc883fc292db0f316dce24", kill_on_drop: false }`
[INFO] [stdout] 01f431cefd0cbadbbc83c5ac4c4d8e3b5f95634cf8cc883fc292db0f316dce24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cbf8199e08e75a16c3f6de9bea941645d8db789d87920d91d9230a3e3e64c74
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3cbf8199e08e75a16c3f6de9bea941645d8db789d87920d91d9230a3e3e64c74", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling generator-combinator v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.81s
[INFO] running `Command { std: "docker" "inspect" "3cbf8199e08e75a16c3f6de9bea941645d8db789d87920d91d9230a3e3e64c74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cbf8199e08e75a16c3f6de9bea941645d8db789d87920d91d9230a3e3e64c74", kill_on_drop: false }`
[INFO] [stdout] 3cbf8199e08e75a16c3f6de9bea941645d8db789d87920d91d9230a3e3e64c74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a251849b7229506c4ec1ceee58db090cf19f7e59a58c84f9efd9e37f9db7ba25
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a251849b7229506c4ec1ceee58db090cf19f7e59a58c84f9efd9e37f9db7ba25", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling quickcheck v1.0.3
[INFO] [stderr]    Compiling generator-combinator v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.54s
[INFO] running `Command { std: "docker" "inspect" "a251849b7229506c4ec1ceee58db090cf19f7e59a58c84f9efd9e37f9db7ba25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a251849b7229506c4ec1ceee58db090cf19f7e59a58c84f9efd9e37f9db7ba25", kill_on_drop: false }`
[INFO] [stdout] a251849b7229506c4ec1ceee58db090cf19f7e59a58c84f9efd9e37f9db7ba25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 76ae5c0acecc9796de019419bf18c11f80581d9de6b5232322235bd878e86ab3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "76ae5c0acecc9796de019419bf18c11f80581d9de6b5232322235bd878e86ab3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/generator_combinator-4c639820e399e22f)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test generator::tests::test_reduce_optionals ... ok
[INFO] [stdout] test generator::tests::equality ... ok
[INFO] [stdout] test generator::tests::combinations_mn ... ok
[INFO] [stdout] test generator::tests::combinations_oneof ... ok
[INFO] [stdout] test generator::tests::combinations_email ... ok
[INFO] [stdout] test generator::tests::combinations_str ... ok
[INFO] [stdout] test generator::tests::generate_alpha1 ... ok
[INFO] [stdout] test generator::tests::regex ... ok
[INFO] [stdout] test generator::tests::simplify ... ok
[INFO] [stdout] test generator::tests::combinations_optional ... ok
[INFO] [stdout] test generator::tests::generate_hex ... ok
[INFO] [stdout] test generator::tests::test_visit ... ok
[INFO] [stdout] test generator::tests::combinations_consts ... ok
[INFO] [stdout] test generator::tests::test_transform ... ok
[INFO] [stderr]    Doc-tests generator-combinator
[INFO] [stdout] test generator::tests::street_addresses ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/generator.rs - generator::Generator (line 617) ... ok
[INFO] [stdout] test src/generator.rs - generator::Generator (line 23) ... ok
[INFO] [stdout] test src/generator.rs - generator::Generator (line 640) ... ok
[INFO] [stdout] test src/generator.rs - generator::Generator (line 670) ... ok
[INFO] [stdout] test src/generator.rs - generator::Generator (line 14) ... ok
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/lib.rs - (line 45) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "76ae5c0acecc9796de019419bf18c11f80581d9de6b5232322235bd878e86ab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76ae5c0acecc9796de019419bf18c11f80581d9de6b5232322235bd878e86ab3", kill_on_drop: false }`
[INFO] [stdout] 76ae5c0acecc9796de019419bf18c11f80581d9de6b5232322235bd878e86ab3