[INFO] fetching crate arbitrary 0.4.2...
[INFO] testing arbitrary-0.4.2 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate arbitrary 0.4.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate arbitrary 0.4.2 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate arbitrary 0.4.2
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate arbitrary 0.4.2
[INFO] tweaked toml for crates.io crate arbitrary 0.4.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate arbitrary 0.4.2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_arbitrary v0.4.2
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0971201a589f030c15e7096630e2cbf89fbe8dfd687f6b39626c3ae8bc7d1f6f
[INFO] running `"docker" "start" "-a" "0971201a589f030c15e7096630e2cbf89fbe8dfd687f6b39626c3ae8bc7d1f6f"`
[INFO] [stderr]    Compiling arbitrary v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.72s
[INFO] running `"docker" "inspect" "0971201a589f030c15e7096630e2cbf89fbe8dfd687f6b39626c3ae8bc7d1f6f"`
[INFO] running `"docker" "rm" "-f" "0971201a589f030c15e7096630e2cbf89fbe8dfd687f6b39626c3ae8bc7d1f6f"`
[INFO] [stdout] 0971201a589f030c15e7096630e2cbf89fbe8dfd687f6b39626c3ae8bc7d1f6f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 021bbfcab016c8a163c8cca0f9d56cecdf38a1ad0f04571575f83031eef67af3
[INFO] running `"docker" "start" "-a" "021bbfcab016c8a163c8cca0f9d56cecdf38a1ad0f04571575f83031eef67af3"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling arbitrary v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.36s
[INFO] running `"docker" "inspect" "021bbfcab016c8a163c8cca0f9d56cecdf38a1ad0f04571575f83031eef67af3"`
[INFO] running `"docker" "rm" "-f" "021bbfcab016c8a163c8cca0f9d56cecdf38a1ad0f04571575f83031eef67af3"`
[INFO] [stdout] 021bbfcab016c8a163c8cca0f9d56cecdf38a1ad0f04571575f83031eef67af3
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f5ad95a48c6f59a05fd0579fc8a567a813ca65d4a99196cccf194d9c72d1b914
[INFO] running `"docker" "start" "-a" "f5ad95a48c6f59a05fd0579fc8a567a813ca65d4a99196cccf194d9c72d1b914"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/arbitrary-34f3b575de8aeb8e
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test size_hint::tests::and_all ... ok
[INFO] [stdout] test size_hint::tests::or ... ok
[INFO] [stdout] test size_hint::tests::and ... ok
[INFO] [stdout] test size_hint::tests::or_all ... ok
[INFO] [stdout] test test::arbitrary_collection ... ok
[INFO] [stdout] test test::arbitrary_take_rest ... ok
[INFO] [stdout] test test::arbitrary_for_integers ... ok
[INFO] [stdout] test test::finite_buffer_fill_buffer ... ok
[INFO] [stdout] test test::shrink_tuple ... ok
[INFO] [stdout] test test::shrink_string ... ok
[INFO] [stdout] test test::shrink_cstring ... ok
[INFO] [stdout] test test::shrink_array ... ok
[INFO] [stdout] test test::shrink_vec ... ok
[INFO] [stdout] test unstructured::tests::int_in_range_of_one ... ok
[INFO] [stdout] test test::size_hint_for_tuples ... ok
[INFO] [stdout] test unstructured::tests::test_byte_size ... ok
[INFO] [stderr]    Doc-tests arbitrary
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test src/lib.rs - Arbitrary (line 83) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::arbitrary_len (line 185) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured (line 44) ... ok
[INFO] [stdout] test src/lib.rs - Arbitrary (line 111) ... ok
[INFO] [stdout] test src/lib.rs - Arbitrary::arbitrary (line 156) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::arbitrary (line 144) ... ok
[INFO] [stdout] test src/lib.rs - Arbitrary::size_hint (line 224) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::len (line 93) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::is_empty (line 117) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::fill_buffer (line 380) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::new (line 79) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::choose (line 349) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::get_bytes (line 404) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::take_rest (line 428) ... ok
[INFO] [stdout] test src/unstructured.rs - unstructured::Unstructured::int_in_range (line 279) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f5ad95a48c6f59a05fd0579fc8a567a813ca65d4a99196cccf194d9c72d1b914"`
[INFO] running `"docker" "rm" "-f" "f5ad95a48c6f59a05fd0579fc8a567a813ca65d4a99196cccf194d9c72d1b914"`
[INFO] [stdout] f5ad95a48c6f59a05fd0579fc8a567a813ca65d4a99196cccf194d9c72d1b914