[INFO] fetching crate arbitrary 1.4.1...
[INFO] testing arbitrary-1.4.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate arbitrary 1.4.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate arbitrary 1.4.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate arbitrary 1.4.1
[INFO] tweaked toml for crates.io crate arbitrary 1.4.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate arbitrary 1.4.1 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate arbitrary 1.4.1 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_arbitrary v1.4.0
[INFO] [stderr]   Downloaded exhaustigen v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 867de8ea5a932798c3e80a5e2ad825f80ecece366d26d8a0ad5e56e784e5a310
[INFO] running `Command { std: "docker" "start" "-a" "867de8ea5a932798c3e80a5e2ad825f80ecece366d26d8a0ad5e56e784e5a310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "867de8ea5a932798c3e80a5e2ad825f80ecece366d26d8a0ad5e56e784e5a310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "867de8ea5a932798c3e80a5e2ad825f80ecece366d26d8a0ad5e56e784e5a310", kill_on_drop: false }`
[INFO] [stdout] 867de8ea5a932798c3e80a5e2ad825f80ecece366d26d8a0ad5e56e784e5a310
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 2e897974dc50091a831c9987f6cd5b47a6239b9f123fbd98b8f8dae4ee1740b7
[INFO] running `Command { std: "docker" "start" "-a" "2e897974dc50091a831c9987f6cd5b47a6239b9f123fbd98b8f8dae4ee1740b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling arbitrary v1.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "2e897974dc50091a831c9987f6cd5b47a6239b9f123fbd98b8f8dae4ee1740b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e897974dc50091a831c9987f6cd5b47a6239b9f123fbd98b8f8dae4ee1740b7", kill_on_drop: false }`
[INFO] [stdout] 2e897974dc50091a831c9987f6cd5b47a6239b9f123fbd98b8f8dae4ee1740b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] c50fe6f3cebc38be768ee639393f500b2214c90b0bdcff3b9a548b200d051e69
[INFO] running `Command { std: "docker" "start" "-a" "c50fe6f3cebc38be768ee639393f500b2214c90b0bdcff3b9a548b200d051e69", kill_on_drop: false }`
[INFO] [stderr]    Compiling exhaustigen v0.1.0
[INFO] [stderr]    Compiling arbitrary v1.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.02s
[INFO] running `Command { std: "docker" "inspect" "c50fe6f3cebc38be768ee639393f500b2214c90b0bdcff3b9a548b200d051e69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c50fe6f3cebc38be768ee639393f500b2214c90b0bdcff3b9a548b200d051e69", kill_on_drop: false }`
[INFO] [stdout] c50fe6f3cebc38be768ee639393f500b2214c90b0bdcff3b9a548b200d051e69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 8e603373a3cdd4975337bf0320477961e578d8619c6320e5ee3fb75ff19f48b2
[INFO] running `Command { std: "docker" "start" "-a" "8e603373a3cdd4975337bf0320477961e578d8619c6320e5ee3fb75ff19f48b2", 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/x86_64-unknown-linux-musl/debug/deps/arbitrary-4442c8d613e3214a)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test error::tests::can_use_custom_error_types_with_result ... ok
[INFO] [stdout] test size_hint::tests::and ... ok
[INFO] [stdout] test size_hint::tests::and_all ... ok
[INFO] [stdout] test size_hint::tests::or ... ok
[INFO] [stdout] test size_hint::tests::or_all ... ok
[INFO] [stdout] test tests::arbitrary_collection ... ok
[INFO] [stdout] test tests::arbitrary_for_bytes ... ok
[INFO] [stdout] test tests::arbitrary_take_rest ... ok
[INFO] [stdout] test tests::arbitrary_take_rest_for_bytes ... ok
[INFO] [stdout] test tests::arbitrary_for_integers ... ok
[INFO] [stdout] test tests::finite_buffer_fill_buffer ... ok
[INFO] [stdout] test tests::size_hint_for_tuples ... ok
[INFO] [stdout] test unstructured::tests::int_in_range_covers_signed_range ... ok
[INFO] [stdout] test unstructured::tests::int_in_range_covers_unsigned_range ... ok
[INFO] [stdout] test unstructured::tests::int_in_range_in_bounds ... ok
[INFO] [stdout] test unstructured::tests::int_in_range_uses_minimal_amount_of_bytes ... ok
[INFO] [stdout] test tests::arbitrary_for_string ... ok
[INFO] [stdout] test unstructured::tests::test_byte_size ... ok
[INFO] [stdout] test unstructured::tests::int_in_range_of_one ... ok
[INFO] [stdout] test tests::arbitrary_for_vec_u8 ... ok
[INFO] [stdout] test tests::arbitrary_for_vec_vec_u8 ... ok
[INFO] [stdout] test tests::arbitrary_for_vec_vec_vec_u8 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.44s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/bound.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/bound-b303c63b7aa638fa)
[INFO] [stderr]      Running tests/path.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/path-69d17a6101f611a0)
[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 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" "8e603373a3cdd4975337bf0320477961e578d8619c6320e5ee3fb75ff19f48b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e603373a3cdd4975337bf0320477961e578d8619c6320e5ee3fb75ff19f48b2", kill_on_drop: false }`
[INFO] [stdout] 8e603373a3cdd4975337bf0320477961e578d8619c6320e5ee3fb75ff19f48b2