[INFO] fetching crate uselesskey-core-negative-der 0.7.1...
[INFO] testing uselesskey-core-negative-der-0.7.1 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate uselesskey-core-negative-der 0.7.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate uselesskey-core-negative-der 0.7.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate uselesskey-core-negative-der 0.7.1
[INFO] tweaked toml for crates.io crate uselesskey-core-negative-der 0.7.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate uselesskey-core-negative-der 0.7.1 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate uselesskey-core-negative-der 0.7.1 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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96e22acc310e74ba5da81e389b7d9acf3c6e69b4aa292b09d5eb231badaf419f
[INFO] running `Command { std: "docker" "start" "-a" "96e22acc310e74ba5da81e389b7d9acf3c6e69b4aa292b09d5eb231badaf419f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96e22acc310e74ba5da81e389b7d9acf3c6e69b4aa292b09d5eb231badaf419f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96e22acc310e74ba5da81e389b7d9acf3c6e69b4aa292b09d5eb231badaf419f", kill_on_drop: false }`
[INFO] [stdout] 96e22acc310e74ba5da81e389b7d9acf3c6e69b4aa292b09d5eb231badaf419f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f2c30dfd198e0712c567f508b9f6ab17304a801cad3e1547b4e39edc4bdc086
[INFO] running `Command { std: "docker" "start" "-a" "6f2c30dfd198e0712c567f508b9f6ab17304a801cad3e1547b4e39edc4bdc086", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling rand_core v0.10.1
[INFO] [stderr]    Compiling find-msvc-tools v0.1.9
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling cc v1.2.58
[INFO] [stderr]    Compiling cpufeatures v0.3.0
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling constant_time_eq v0.4.2
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling arrayref v0.3.9
[INFO] [stderr]    Compiling spin v0.10.0
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling blake3 v1.8.4
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling rand v0.10.1
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling dashmap v6.1.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.10.0
[INFO] [stderr]    Compiling uselesskey-core v0.7.1
[INFO] [stderr]    Compiling uselesskey-core-negative-der v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.71s
[INFO] running `Command { std: "docker" "inspect" "6f2c30dfd198e0712c567f508b9f6ab17304a801cad3e1547b4e39edc4bdc086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f2c30dfd198e0712c567f508b9f6ab17304a801cad3e1547b4e39edc4bdc086", kill_on_drop: false }`
[INFO] [stdout] 6f2c30dfd198e0712c567f508b9f6ab17304a801cad3e1547b4e39edc4bdc086
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0b464b40d062e969b038a085e1f2b8a7bde4239d95caf688a0aaeccf5cef00c
[INFO] running `Command { std: "docker" "start" "-a" "d0b464b40d062e969b038a085e1f2b8a7bde4239d95caf688a0aaeccf5cef00c", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling winnow v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling toml_datetime v1.1.0+spec-1.1.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling pin-project-lite v0.2.17
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling bit-vec v0.8.0
[INFO] [stderr]    Compiling console v0.16.3
[INFO] [stderr]    Compiling similar v2.7.0
[INFO] [stderr]    Compiling unarray v0.1.4
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling rusty-fork v0.3.1
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling rand_xorshift v0.4.0
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling pest v2.8.6
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling toml_parser v1.1.0+spec-1.1.0
[INFO] [stderr]    Compiling toml_edit v0.25.8+spec-1.1.0
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling proptest v1.11.0
[INFO] [stderr]    Compiling proc-macro-crate v3.5.0
[INFO] [stderr]    Compiling pest_meta v2.8.6
[INFO] [stderr]    Compiling pest_generator v2.8.6
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling uselesskey-core v0.7.1
[INFO] [stderr]    Compiling pest_derive v2.8.6
[INFO] [stderr]    Compiling uselesskey-core-negative-der v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling rstest_macros v0.26.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling insta v1.47.2
[INFO] [stderr]    Compiling rstest v0.26.1
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 37.84s
[INFO] running `Command { std: "docker" "inspect" "d0b464b40d062e969b038a085e1f2b8a7bde4239d95caf688a0aaeccf5cef00c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0b464b40d062e969b038a085e1f2b8a7bde4239d95caf688a0aaeccf5cef00c", kill_on_drop: false }`
[INFO] [stdout] d0b464b40d062e969b038a085e1f2b8a7bde4239d95caf688a0aaeccf5cef00c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 12becd996ff2adee445b3980d1cfa797c270068e38f94776c82908b873fd47a6
[INFO] running `Command { std: "docker" "start" "-a" "12becd996ff2adee445b3980d1cfa797c270068e38f94776c82908b873fd47a6", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/uselesskey_core_negative_der-eee7b55c59115244)
[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]      Running tests/edge_cases.rs (/opt/rustwide/target/debug/deps/edge_cases-aed9658a8150531f)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test corrupt_deterministic_different_variants_differ ... ok
[INFO] [stdout] test corrupt_deterministic_empty_input ... ok
[INFO] [stdout] test corrupt_deterministic_is_stable ... ok
[INFO] [stdout] test corrupt_deterministic_unicode_variant ... ok
[INFO] [stdout] test corrupt_deterministic_single_byte ... ok
[INFO] [stdout] test flip_byte_is_involutory ... ok
[INFO] [stdout] test flip_byte_last_position ... ok
[INFO] [stdout] test flip_byte_preserves_length ... ok
[INFO] [stdout] test truncate_beyond_length ... ok
[INFO] [stdout] test truncate_empty_input ... ok
[INFO] [stdout] test truncate_single_byte_input ... ok
[INFO] [stdout] test truncate_to_zero ... ok
[INFO] [stdout] test corrupt_deterministic_empty_variant ... ok
[INFO] [stdout] test flip_byte_empty_input ... ok
[INFO] [stdout] test truncate_exact_length ... ok
[INFO] [stdout] test corrupt_deterministic_never_returns_original ... ok
[INFO] [stdout] test flip_byte_first_position ... ok
[INFO] [stdout] test flip_byte_out_of_bounds_returns_copy ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-b5746a35b5e0d7ef)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test corrupt_empty_input ... ok
[INFO] [stdout] test corrupt_output_always_differs_from_original ... ok
[INFO] [stdout] test corrupt_output_never_longer_than_input ... ok
[INFO] [stdout] test deterministic_corruption_is_repeatable ... ok
[INFO] [stdout] test different_variants_produce_different_output ... ok
[INFO] [stdout] test different_inputs_same_variant_produce_different_output ... ok
[INFO] [stdout] test flip_byte_is_involutory ... ok
[INFO] [stdout] test corrupt_single_byte_input ... ok
[INFO] [stdout] test flip_byte_out_of_bounds_returns_copy ... ok
[INFO] [stdout] test flip_byte_xors_exactly_one_position ... ok
[INFO] [stdout] test truncate_at_exact_length_returns_copy ... ok
[INFO] [stdout] test truncate_single_byte_to_one ... ok
[INFO] [stdout] test truncate_single_byte_to_zero ... ok
[INFO] [stdout] test flip_byte_empty_returns_empty ... ok
[INFO] [stdout] test truncate_beyond_length_returns_full_copy ... ok
[INFO] [stdout] test truncate_to_zero_returns_empty ... ok
[INFO] [stdout] test flip_byte_single_byte ... ok
[INFO] [stdout] test truncate_empty_input ... ok
[INFO] [stdout] test truncate_returns_prefix_of_requested_length ... ok
[INFO] [stdout] test proptests::corrupt_deterministic_is_pure ... ok
[INFO] [stdout] test proptests::flip_preserves_length_when_in_bounds ... ok
[INFO] [stdout] test proptests::truncate_never_exceeds_requested_len ... ok
[INFO] [stdout] test proptests::corrupt_never_grows ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running tests/mutant_killers.rs (/opt/rustwide/target/debug/deps/mutant_killers-a307904df78177d6)
[INFO] [stdout] running 9 tests
[INFO] [stderr]      Running tests/snapshots_negative_der.rs (/opt/rustwide/target/debug/deps/snapshots_negative_der-1d60a0791f374006)
[INFO] [stdout] test corrupt_deterministic_different_variant_different_output ... ok
[INFO] [stdout] test corrupt_deterministic_same_variant_same_output ... ok
[INFO] [stdout] test flip_byte_empty_returns_empty ... ok
[INFO] [stdout] test corrupt_deterministic_always_differs_from_original ... ok
[INFO] [stdout] test flip_byte_is_xor_not_or ... ok
[INFO] [stdout] test flip_byte_xors_exactly_one_bit ... ok
[INFO] [stdout] test truncate_returns_exact_prefix_bytes ... ok
[INFO] [stdout] test truncate_single_byte_der ... ok
[INFO] [stdout] test flip_byte_out_of_bounds_returns_original ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test snapshot_corrupt_deterministic_variant_a ... ok
[INFO] [stdout] test snapshot_corrupt_different_variants_differ ... ok
[INFO] [stdout] test snapshot_truncate_der_beyond ... ok
[INFO] [stdout] test snapshot_corrupt_deterministic_variant_b ... ok
[INFO] [stdout] test snapshot_flip_byte_first ... ok
[INFO] [stdout] test snapshot_truncate_der_shorter ... ok
[INFO] [stdout] test snapshot_flip_byte_last ... ok
[INFO] [stdout] test snapshot_flip_byte_out_of_bounds ... ok
[INFO] [stdout] test snapshot_truncate_der_at_boundary ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests uselesskey_core_negative_der
[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" "12becd996ff2adee445b3980d1cfa797c270068e38f94776c82908b873fd47a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12becd996ff2adee445b3980d1cfa797c270068e38f94776c82908b873fd47a6", kill_on_drop: false }`
[INFO] [stdout] 12becd996ff2adee445b3980d1cfa797c270068e38f94776c82908b873fd47a6
