[INFO] fetching crate arbitrary 1.0.1...
[INFO] testing arbitrary-1.0.1 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate arbitrary 1.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate arbitrary 1.0.1 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arbitrary 1.0.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate arbitrary 1.0.1
[INFO] tweaked toml for crates.io crate arbitrary 1.0.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate arbitrary 1.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7389bf083ac1fc24f21df82e97347886244278ccedd92e0bfa551d25713f16d3
[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" "7389bf083ac1fc24f21df82e97347886244278ccedd92e0bfa551d25713f16d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7389bf083ac1fc24f21df82e97347886244278ccedd92e0bfa551d25713f16d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7389bf083ac1fc24f21df82e97347886244278ccedd92e0bfa551d25713f16d3", kill_on_drop: false }`
[INFO] [stdout] 7389bf083ac1fc24f21df82e97347886244278ccedd92e0bfa551d25713f16d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9c8ebf701a94b209b42f7c9f43e898eb7491f371f5e913942537e04dec49c4e2
[INFO] running `Command { std: "docker" "start" "-a" "9c8ebf701a94b209b42f7c9f43e898eb7491f371f5e913942537e04dec49c4e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling arbitrary v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "9c8ebf701a94b209b42f7c9f43e898eb7491f371f5e913942537e04dec49c4e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c8ebf701a94b209b42f7c9f43e898eb7491f371f5e913942537e04dec49c4e2", kill_on_drop: false }`
[INFO] [stdout] 9c8ebf701a94b209b42f7c9f43e898eb7491f371f5e913942537e04dec49c4e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 42943c13825bf4f37d3ae0e6d473edd098ed3a7d1038d1df5f49292fef03ac75
[INFO] running `Command { std: "docker" "start" "-a" "42943c13825bf4f37d3ae0e6d473edd098ed3a7d1038d1df5f49292fef03ac75", kill_on_drop: false }`
[INFO] [stderr]    Compiling arbitrary v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "42943c13825bf4f37d3ae0e6d473edd098ed3a7d1038d1df5f49292fef03ac75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42943c13825bf4f37d3ae0e6d473edd098ed3a7d1038d1df5f49292fef03ac75", kill_on_drop: false }`
[INFO] [stdout] 42943c13825bf4f37d3ae0e6d473edd098ed3a7d1038d1df5f49292fef03ac75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 043d2526fa25130638eaee15ac1e3ae5375df4015bc34d670d8522c64c7f6d26
[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" "043d2526fa25130638eaee15ac1e3ae5375df4015bc34d670d8522c64c7f6d26", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/arbitrary-5a4b4c692ef400d1)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test size_hint::tests::and ... ok
[INFO] [stdout] test size_hint::tests::and_all ... ok
[INFO] [stdout] test size_hint::tests::or_all ... ok
[INFO] [stdout] test test::arbitrary_collection ... ok
[INFO] [stdout] test size_hint::tests::or ... ok
[INFO] [stdout] test test::arbitrary_for_integers ... ok
[INFO] [stdout] test test::arbitrary_for_bytes ... ok
[INFO] [stdout] test test::arbitrary_take_rest ... ok
[INFO] [stdout] test test::arbitrary_take_rest_for_bytes ... ok
[INFO] [stdout] test test::finite_buffer_fill_buffer ... ok
[INFO] [stdout] test test::size_hint_for_tuples ... ok
[INFO] [stdout] test unstructured::tests::int_in_range_of_one ... ok
[INFO] [stdout] test unstructured::tests::int_in_range_uses_minimal_amount_of_bytes ... ok
[INFO] [stdout] test unstructured::tests::test_byte_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/path.rs (/opt/rustwide/target/debug/deps/path-eab883cde7b39d28)
[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] [stderr]    Doc-tests arbitrary
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::arbitrary (line 144) ... ok
[INFO] [stdout] test src/lib.rs - Arbitrary::arbitrary (line 149) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::new (line 79) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::fill_buffer (line 397) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::bytes (line 425) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured (line 44) ... ok
[INFO] [stdout] test src/lib.rs - Arbitrary (line 76) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::int_in_range (line 280) ... ok
[INFO] [stdout] test src/lib.rs - Arbitrary::size_hint (line 217) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::is_empty (line 117) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::arbitrary_len (line 185) ... ok
[INFO] [stdout] test src/lib.rs - Arbitrary (line 104) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::choose (line 367) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::peek_bytes (line 452) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::len (line 93) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::choose (line 354) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::take_rest (line 474) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.80s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "043d2526fa25130638eaee15ac1e3ae5375df4015bc34d670d8522c64c7f6d26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "043d2526fa25130638eaee15ac1e3ae5375df4015bc34d670d8522c64c7f6d26", kill_on_drop: false }`
[INFO] [stdout] 043d2526fa25130638eaee15ac1e3ae5375df4015bc34d670d8522c64c7f6d26