[INFO] fetching crate flatmap 0.1.1...
[INFO] testing flatmap-0.1.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate flatmap 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate flatmap 0.1.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate flatmap 0.1.1
[INFO] tweaked toml for crates.io crate flatmap 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate flatmap 0.1.1 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 flatmap 0.1.1 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7aaea10662c634dcf351d6ac1bdf49f72e882c5ad9978c83fcbfed9f29e0794a
[INFO] running `Command { std: "docker" "start" "-a" "7aaea10662c634dcf351d6ac1bdf49f72e882c5ad9978c83fcbfed9f29e0794a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7aaea10662c634dcf351d6ac1bdf49f72e882c5ad9978c83fcbfed9f29e0794a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aaea10662c634dcf351d6ac1bdf49f72e882c5ad9978c83fcbfed9f29e0794a", kill_on_drop: false }`
[INFO] [stdout] 7aaea10662c634dcf351d6ac1bdf49f72e882c5ad9978c83fcbfed9f29e0794a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 784bc735be5bbf736bedc65ba314cd026cc66582bc2a87df46d25232dc8064c3
[INFO] running `Command { std: "docker" "start" "-a" "784bc735be5bbf736bedc65ba314cd026cc66582bc2a87df46d25232dc8064c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling flatmap v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "784bc735be5bbf736bedc65ba314cd026cc66582bc2a87df46d25232dc8064c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "784bc735be5bbf736bedc65ba314cd026cc66582bc2a87df46d25232dc8064c3", kill_on_drop: false }`
[INFO] [stdout] 784bc735be5bbf736bedc65ba314cd026cc66582bc2a87df46d25232dc8064c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] fd6ff8e5a199331ce986bb8788ff84b7651fadf694b5efeefe34b8ca54c6babf
[INFO] running `Command { std: "docker" "start" "-a" "fd6ff8e5a199331ce986bb8788ff84b7651fadf694b5efeefe34b8ca54c6babf", kill_on_drop: false }`
[INFO] [stderr]    Compiling flatmap v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "fd6ff8e5a199331ce986bb8788ff84b7651fadf694b5efeefe34b8ca54c6babf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd6ff8e5a199331ce986bb8788ff84b7651fadf694b5efeefe34b8ca54c6babf", kill_on_drop: false }`
[INFO] [stdout] fd6ff8e5a199331ce986bb8788ff84b7651fadf694b5efeefe34b8ca54c6babf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9bae089695013d0e0c69ec7a6c11f96a36fdc03b4e1925c1eb0e630879678866
[INFO] running `Command { std: "docker" "start" "-a" "9bae089695013d0e0c69ec7a6c11f96a36fdc03b4e1925c1eb0e630879678866", 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/flatmap-7ba124f60767e2ec)
[INFO] [stderr]      Running tests/integration_tests.rs (/opt/rustwide/target/debug/deps/integration_tests-37d6c4bc4284b528)
[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] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test edge_cases::test_capacity_hint ... ok
[INFO] [stdout] test edge_cases::test_unsafe_constructors ... ok
[INFO] [stdout] test edge_cases::test_shrink_to_fit ... ok
[INFO] [stdout] test flatmap_tests::test_constant_flatmap_duplicate_detection ... ok
[INFO] [stdout] test flatmap_tests::test_constant_flatmap_from_tuples ... ok
[INFO] [stdout] test flatmap_tests::test_constant_flatmap_iteration ... ok
[INFO] [stdout] test flatmap_tests::test_flatmap_entry ... ok
[INFO] [stdout] test flatmap_tests::test_constant_flatmap ... ok
[INFO] [stdout] test flatmap_tests::test_flatmap_iteration ... ok
[INFO] [stdout] test flatmap_tests::test_flatmap_from_entries ... ok
[INFO] [stdout] test flatmap_tests::test_flatmap_from_tuples ... ok
[INFO] [stdout] test flatset_tests::test_constant_flatset ... ok
[INFO] [stdout] test flatset_tests::test_constant_flatset_duplicate_detection ... ok
[INFO] [stdout] test flatset_tests::test_constant_flatset_iteration ... ok
[INFO] [stdout] test flatset_tests::test_flatset_basic_operations ... ok
[INFO] [stdout] test flatset_tests::test_flatset_from_iter ... ok
[INFO] [stdout] test flatset_tests::test_flatset_from_iterator_trait ... ok
[INFO] [stdout] test flatset_tests::test_flatset_iteration ... ok
[INFO] [stdout] test flatmap_tests::test_flatmap_basic_operations ... ok
[INFO] [stdout] test flatmap_tests::test_flatmap_into_iterator ... ok
[INFO] [stdout] test edge_cases::test_empty_collections ... ok
[INFO] [stderr]    Doc-tests flatmap
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[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" "9bae089695013d0e0c69ec7a6c11f96a36fdc03b4e1925c1eb0e630879678866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bae089695013d0e0c69ec7a6c11f96a36fdc03b4e1925c1eb0e630879678866", kill_on_drop: false }`
[INFO] [stdout] 9bae089695013d0e0c69ec7a6c11f96a36fdc03b4e1925c1eb0e630879678866