[INFO] fetching crate exhaust 0.2.2...
[INFO] testing exhaust-0.2.2 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate exhaust 0.2.2 into /workspace/builds/worker-5-tc1/source
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate exhaust 0.2.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate exhaust 0.2.2
[INFO] tweaked toml for crates.io crate exhaust 0.2.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate exhaust 0.2.2 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 exhaust 0.2.2 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v2.0.73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 293d4ab7f4c2736876a11db83e1307734259f3eb4a757c2a5e756d4583c959b1
[INFO] running `Command { std: "docker" "start" "-a" "293d4ab7f4c2736876a11db83e1307734259f3eb4a757c2a5e756d4583c959b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "293d4ab7f4c2736876a11db83e1307734259f3eb4a757c2a5e756d4583c959b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "293d4ab7f4c2736876a11db83e1307734259f3eb4a757c2a5e756d4583c959b1", kill_on_drop: false }`
[INFO] [stdout] 293d4ab7f4c2736876a11db83e1307734259f3eb4a757c2a5e756d4583c959b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6f8d5f91302adc29fcdae98dc583c9bb79c3719100b84c8b3b78c82aac8c11ef
[INFO] running `Command { std: "docker" "start" "-a" "6f8d5f91302adc29fcdae98dc583c9bb79c3719100b84c8b3b78c82aac8c11ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling mutants v0.0.3
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling syn v2.0.73
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling exhaust-macros v0.2.1
[INFO] [stderr]    Compiling exhaust v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.52s
[INFO] running `Command { std: "docker" "inspect" "6f8d5f91302adc29fcdae98dc583c9bb79c3719100b84c8b3b78c82aac8c11ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f8d5f91302adc29fcdae98dc583c9bb79c3719100b84c8b3b78c82aac8c11ef", kill_on_drop: false }`
[INFO] [stdout] 6f8d5f91302adc29fcdae98dc583c9bb79c3719100b84c8b3b78c82aac8c11ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 3ca9df495cda6e05c4f72b747ebf01ab632d6273f684cfc72b4513122de8c913
[INFO] running `Command { std: "docker" "start" "-a" "3ca9df495cda6e05c4f72b747ebf01ab632d6273f684cfc72b4513122de8c913", kill_on_drop: false }`
[INFO] [stderr]    Compiling exhaust v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "3ca9df495cda6e05c4f72b747ebf01ab632d6273f684cfc72b4513122de8c913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ca9df495cda6e05c4f72b747ebf01ab632d6273f684cfc72b4513122de8c913", kill_on_drop: false }`
[INFO] [stdout] 3ca9df495cda6e05c4f72b747ebf01ab632d6273f684cfc72b4513122de8c913
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 9364efc526a26a37276aaa6bb2ebf16f8c7040cb1002b1bfd6a0b05dd5361e75
[INFO] running `Command { std: "docker" "start" "-a" "9364efc526a26a37276aaa6bb2ebf16f8c7040cb1002b1bfd6a0b05dd5361e75", 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/x86_64-unknown-linux-musl/debug/deps/exhaust-489d1e202d7b79fc)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test iteration::carry_example ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/alloc_impls.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/alloc_impls-4b514c994b8b1c73)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test impl_cow_non_clone ... ok
[INFO] [stdout] test impl_cow_clone ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/core_impls.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/core_impls-ef19e9e73200e4ae)
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test impl_array_of_0 ... ok
[INFO] [stdout] test impl_array_of_2 ... ok
[INFO] [stdout] test impl_array_of_1 ... ok
[INFO] [stdout] test impl_array_of_3 ... ok
[INFO] [stdout] test impl_array_of_uninhabited_type ... ok
[INFO] [stdout] test impl_array_of_unit_type ... ok
[INFO] [stdout] test impl_bool ... ok
[INFO] [stdout] test impl_f32 ... ok
[INFO] [stdout] test impl_cell::impl_once_cell ... ok
[INFO] [stdout] test impl_fmt::impl_alignment ... ok
[INFO] [stdout] test impl_infallible ... ok
[INFO] [stdout] test impl_fmt::impl_error ... ok
[INFO] [stdout] test impl_nontrivial_tuple ... ok
[INFO] [stdout] test impl_nonzero_signed ... ok
[INFO] [stdout] test impl_nonzero_unsigned ... ok
[INFO] [stdout] test impl_ops::impl_bound ... ok
[INFO] [stdout] test impl_ops::impl_control_flow ... ok
[INFO] [stdout] test impl_ops::impl_range_from ... ok
[INFO] [stdout] test impl_ops::impl_range_to_inclusive ... ok
[INFO] [stdout] test impl_option ... ok
[INFO] [stdout] test impl_ops::impl_range_to ... ok
[INFO] [stdout] test impl_poll ... ok
[INFO] [stdout] test impl_phantom_data ... ok
[INFO] [stdout] test impl_result ... ok
[INFO] [stdout] test impl_unit ... ok
[INFO] [stdout] test iter::clone ... ok
[INFO] [stdout] test impl_single_element_tuple ... ok
[INFO] [stdout] test iter::size_hint_and_len ... ok
[INFO] [stderr]      Running tests/deriving.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/deriving-6fbb0c353089d53d)
[INFO] [stdout] test impl_char ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.46s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test enum_empty ... ok
[INFO] [stdout] test enum_fieldless_multi ... ok
[INFO] [stdout] test debug_impls ... ok
[INFO] [stdout] test enum_fields ... ok
[INFO] [stdout] test enum_generic ... ok
[INFO] [stdout] test function_containing_derive ... ok
[INFO] [stderr]      Running tests/keyed_collections.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/keyed_collections-6dc0e608e94c46da)
[INFO] [stdout] test enum_one_value ... ok
[INFO] [stdout] test struct_generic ... ok
[INFO] [stdout] test not_a_name_conflict ... ok
[INFO] [stdout] test struct_simple ... ok
[INFO] [stdout] test struct_unit ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test impl_btreemap ... ok
[INFO] [stdout] test impl_btreeset ... ok
[INFO] [stdout] test impl_hashmap ... ok
[INFO] [stderr]      Running tests/std_impls.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/std_impls-3df35844955e3bf1)
[INFO] [stdout] test impl_hashset ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test impl_sync_once_lock ... ok
[INFO] [stdout] test impl_cursor ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9364efc526a26a37276aaa6bb2ebf16f8c7040cb1002b1bfd6a0b05dd5361e75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9364efc526a26a37276aaa6bb2ebf16f8c7040cb1002b1bfd6a0b05dd5361e75", kill_on_drop: false }`
[INFO] [stdout] 9364efc526a26a37276aaa6bb2ebf16f8c7040cb1002b1bfd6a0b05dd5361e75