[INFO] fetching crate cargo-mutants 24.7.1...
[INFO] checking cargo-mutants-24.7.1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate cargo-mutants 24.7.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate cargo-mutants 24.7.1 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-mutants 24.7.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate cargo-mutants 24.7.1
[INFO] tweaked toml for crates.io crate cargo-mutants 24.7.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate cargo-mutants 24.7.1 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded whoami v1.5.0
[INFO] [stderr]   Downloaded tracing-appender v0.2.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.74
[INFO] [stderr]   Downloaded serde v1.0.194
[INFO] [stderr]   Downloaded toml v0.8.0
[INFO] [stderr]   Downloaded memchr v2.7.2
[INFO] [stderr]   Downloaded path-slash v0.2.0
[INFO] [stderr]   Downloaded mutants v0.0.3
[INFO] [stderr]   Downloaded bytecount v0.6.8
[INFO] [stderr]   Downloaded patch v0.7.0
[INFO] [stderr]   Downloaded anstyle v0.3.5
[INFO] [stderr]   Downloaded either v1.12.0
[INFO] [stderr]   Downloaded pretty_assertions v1.0.0
[INFO] [stderr]   Downloaded predicates v2.1.5
[INFO] [stderr]   Downloaded clap_derive v4.4.0
[INFO] [stderr]   Downloaded clap v4.4.1
[INFO] [stderr]   Downloaded bstr v1.9.1
[INFO] [stderr]   Downloaded insta v1.12.0
[INFO] [stderr]   Downloaded color-print-proc-macro v0.3.6
[INFO] [stderr]   Downloaded terminal_size v0.1.17
[INFO] [stderr]   Downloaded itertools v0.12.0
[INFO] [stderr]   Downloaded redox_syscall v0.5.1
[INFO] [stderr]   Downloaded terminal_size v0.2.6
[INFO] [stderr]   Downloaded nutmeg v0.1.4
[INFO] [stderr]   Downloaded nom_locate v4.2.0
[INFO] [stderr]   Downloaded regex v1.10.0
[INFO] [stderr]   Downloaded predicates v3.0.0
[INFO] [stderr]   Downloaded color-print v0.3.1
[INFO] [stderr]   Downloaded strum v0.26.0
[INFO] [stderr]   Downloaded assert_cmd v2.0.0
[INFO] [stderr]   Downloaded cargo-platform v0.1.8
[INFO] [stderr]   Downloaded cargo_metadata v0.18.0
[INFO] [stderr]   Downloaded clap_complete v4.0.0
[INFO] [stderr]   Downloaded anstyle-wincon v2.1.0
[INFO] [stderr]   Downloaded anstream v0.5.0
[INFO] [stderr]   Downloaded clap_lex v0.5.1
[INFO] [stderr]   Downloaded clap_builder v4.4.1
[INFO] [stderr]   Downloaded ctrlc v3.2.1
[INFO] [stderr]   Downloaded globset v0.4.10
[INFO] [stderr]   Downloaded ignore v0.4.20
[INFO] [stderr]   Downloaded indoc v2.0.0
[INFO] [stderr]   Downloaded console v0.15.0
[INFO] [stderr]   Downloaded tempfile v3.9.0
[INFO] [stderr]   Downloaded output_vt100 v0.1.3
[INFO] [stderr]   Downloaded cp_r v0.5.1
[INFO] [stderr]   Downloaded serde_spanned v0.6.6
[INFO] [stderr]   Downloaded serde_derive v1.0.194
[INFO] [stderr]   Downloaded syn v2.0.46
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 794f328421b948b4e16bc1c4f94454749765d7dda2571697cbfbd34c51c23af9
[INFO] running `Command { std: "docker" "start" "-a" "794f328421b948b4e16bc1c4f94454749765d7dda2571697cbfbd34c51c23af9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "794f328421b948b4e16bc1c4f94454749765d7dda2571697cbfbd34c51c23af9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "794f328421b948b4e16bc1c4f94454749765d7dda2571697cbfbd34c51c23af9", kill_on_drop: false }`
[INFO] [stdout] 794f328421b948b4e16bc1c4f94454749765d7dda2571697cbfbd34c51c23af9
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f293fc640ad7717283fdc09300d65a7ed691352687fcaf0977c038656e8141a0
[INFO] running `Command { std: "docker" "start" "-a" "f293fc640ad7717283fdc09300d65a7ed691352687fcaf0977c038656e8141a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.74
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking either v1.12.0
[INFO] [stderr]     Checking anstyle-parse v0.2.4
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]     Checking anstyle-query v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking anstyle v1.0.7
[INFO] [stderr]     Checking colorchoice v1.0.1
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]     Checking anstream v0.5.0
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking unicode-width v0.1.13
[INFO] [stderr]     Checking bytecount v0.6.8
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking winnow v0.5.40
[INFO] [stderr]     Checking fastrand v2.0.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.13
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]    Compiling syn v2.0.46
[INFO] [stderr]     Checking similar v2.1.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking itertools v0.12.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking whoami v1.5.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling indoc v2.0.0
[INFO] [stderr]     Checking anstyle v0.3.5
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking nix v0.23.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking predicates v2.1.5
[INFO] [stderr]     Checking filetime v0.2.23
[INFO] [stderr]    Compiling mutants v0.0.3
[INFO] [stderr]     Checking tracing-appender v0.2.0
[INFO] [stderr]     Checking path-slash v0.2.0
[INFO] [stderr]     Checking pretty_assertions v1.0.0
[INFO] [stderr]     Checking cp_r v0.5.1
[INFO] [stderr]     Checking assert_cmd v2.0.0
[INFO] [stderr]     Checking nom_locate v4.2.0
[INFO] [stderr]     Checking patch v0.7.0
[INFO] [stderr]     Checking tempfile v3.9.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking terminal_size v0.2.6
[INFO] [stderr]     Checking clap_builder v4.4.1
[INFO] [stderr]     Checking nutmeg v0.1.4
[INFO] [stderr]     Checking regex v1.10.0
[INFO] [stderr]     Checking globset v0.4.10
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking predicates v3.0.0
[INFO] [stderr]     Checking ignore v0.4.20
[INFO] [stderr]     Checking ctrlc v3.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling clap_derive v4.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling color-print-proc-macro v0.3.6
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]     Checking color-print v0.3.1
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking clap v4.4.1
[INFO] [stderr]     Checking clap_complete v4.0.0
[INFO] [stderr]     Checking strum v0.26.0
[INFO] [stderr]     Checking serde_spanned v0.6.6
[INFO] [stderr]     Checking toml_datetime v0.6.6
[INFO] [stderr]     Checking cargo-platform v0.1.8
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking toml_edit v0.20.7
[INFO] [stderr]     Checking cargo_metadata v0.18.0
[INFO] [stderr]     Checking insta v1.12.0
[INFO] [stderr]     Checking toml v0.8.0
[INFO] [stderr]     Checking cargo-mutants v24.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.80s
[INFO] running `Command { std: "docker" "inspect" "f293fc640ad7717283fdc09300d65a7ed691352687fcaf0977c038656e8141a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f293fc640ad7717283fdc09300d65a7ed691352687fcaf0977c038656e8141a0", kill_on_drop: false }`
[INFO] [stdout] f293fc640ad7717283fdc09300d65a7ed691352687fcaf0977c038656e8141a0