[INFO] fetching crate cargo-mutants 25.3.1...
[INFO] checking cargo-mutants-25.3.1 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate cargo-mutants 25.3.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate cargo-mutants 25.3.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate cargo-mutants 25.3.1
[INFO] tweaked toml for crates.io crate cargo-mutants 25.3.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-mutants 25.3.1 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cargo-mutants 25.3.1 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strum v0.26.0
[INFO] [stderr]   Downloaded patch v0.7.0
[INFO] [stderr]   Downloaded nutmeg v0.1.4
[INFO] [stderr]   Downloaded color-print v0.3.1
[INFO] [stderr]   Downloaded guppy-workspace-hack v0.1.0
[INFO] [stderr]   Downloaded test-log v0.2.16
[INFO] [stderr]   Downloaded whoami v1.5.0
[INFO] [stderr]   Downloaded cp_r v0.5.2
[INFO] [stderr]   Downloaded assert_cmd v2.0.17
[INFO] [stderr]   Downloaded cargo_metadata v0.19.0
[INFO] [stderr]   Downloaded jobserver v0.1.0
[INFO] [stderr]   Downloaded cfg-expr v0.17.2
[INFO] [stderr]   Downloaded target-spec v3.2.2
[INFO] [stderr]   Downloaded clap_complete v4.0.0
[INFO] [stderr]   Downloaded indoc v2.0.0
[INFO] [stderr]   Downloaded nom_locate v4.2.0
[INFO] [stderr]   Downloaded fs2 v0.4.0
[INFO] [stderr]   Downloaded nextest-workspace-hack v0.1.0
[INFO] [stderr]   Downloaded path-slash v0.2.0
[INFO] [stderr]   Downloaded schemars_derive v0.9.0
[INFO] [stderr]   Downloaded toml v0.8.0
[INFO] [stderr]   Downloaded nextest-metadata v0.12.1
[INFO] [stderr]   Downloaded insta v1.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19d344371cd92235e6a2335b67bd0aa234c9c29f471235da65a18cac0aebcace
[INFO] running `Command { std: "docker" "start" "-a" "19d344371cd92235e6a2335b67bd0aa234c9c29f471235da65a18cac0aebcace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19d344371cd92235e6a2335b67bd0aa234c9c29f471235da65a18cac0aebcace", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19d344371cd92235e6a2335b67bd0aa234c9c29f471235da65a18cac0aebcace", kill_on_drop: false }`
[INFO] [stdout] 19d344371cd92235e6a2335b67bd0aa234c9c29f471235da65a18cac0aebcace
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b43d245f53425beb9d8fd8ec586191b34f528713657e7c404e07e3f5f785ba60
[INFO] running `Command { std: "docker" "start" "-a" "b43d245f53425beb9d8fd8ec586191b34f528713657e7c404e07e3f5f785ba60", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]     Checking bitflags v2.8.0
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]     Checking unicode-ident v1.0.16
[INFO] [stderr]    Compiling camino v1.1.9
[INFO] [stderr]    Compiling guppy-workspace-hack v0.1.0
[INFO] [stderr]    Compiling rustix v0.37.28
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling nextest-workspace-hack v0.1.0
[INFO] [stderr]    Compiling semver v1.0.25
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling target-spec v3.2.2
[INFO] [stderr]    Compiling ref-cast v1.0.24
[INFO] [stderr]     Checking indexmap v2.7.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking env_filter v0.1.3
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking bytecount v0.6.8
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking winnow v0.5.40
[INFO] [stderr]     Checking fastrand v2.0.0
[INFO] [stderr]     Checking predicates-core v1.0.9
[INFO] [stderr]     Checking env_logger v0.11.6
[INFO] [stderr]     Checking chrono v0.4.39
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking cfg-expr v0.17.2
[INFO] [stderr]     Checking time v0.3.41
[INFO] [stderr]     Checking float-cmp v0.10.0
[INFO] [stderr]     Checking dyn-clone v1.0.19
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking termtree v0.5.1
[INFO] [stderr]    Compiling assert_cmd v2.0.17
[INFO] [stderr]     Checking similar v2.1.0
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking predicates-tree v1.0.12
[INFO] [stderr]    Compiling indoc v2.0.0
[INFO] [stderr]     Checking path-slash v0.2.0
[INFO] [stderr]     Checking whoami v1.5.0
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking jobserver v0.1.0
[INFO] [stderr]     Checking filetime v0.2.25
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking fs2 v0.4.0
[INFO] [stderr]     Checking cp_r v0.5.2
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking nom_locate v4.2.0
[INFO] [stderr]     Checking patch v0.7.0
[INFO] [stderr]     Checking terminal_size v0.2.6
[INFO] [stderr]     Checking ctrlc v3.4.7
[INFO] [stderr]     Checking nutmeg v0.1.4
[INFO] [stderr]     Checking terminal_size v0.4.1
[INFO] [stderr]     Checking tempfile v3.8.0
[INFO] [stderr]     Checking clap_builder v4.5.27
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking regex v1.10.0
[INFO] [stderr]     Checking bstr v1.11.3
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking predicates v3.1.3
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]     Checking globset v0.4.16
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling thiserror-impl v1.0.65
[INFO] [stderr]    Compiling clap_derive v4.5.28
[INFO] [stderr]    Compiling ref-cast-impl v1.0.24
[INFO] [stderr]    Compiling color-print-proc-macro v0.3.7
[INFO] [stderr]    Compiling test-log-macros v0.2.17
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]     Checking ignore v0.4.23
[INFO] [stderr]    Compiling schemars_derive v0.9.0
[INFO] [stderr]     Checking thiserror v1.0.65
[INFO] [stderr]     Checking color-print v0.3.1
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking strum v0.26.0
[INFO] [stderr]     Checking clap v4.5.28
[INFO] [stderr]     Checking clap_complete v4.0.0
[INFO] [stderr]     Checking tracing-appender v0.2.3
[INFO] [stderr]     Checking test-log v0.2.16
[INFO] [stderr]     Checking serde_spanned v0.6.8
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking smol_str v0.3.2
[INFO] [stderr]     Checking cargo-platform v0.1.9
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking toml_edit v0.20.7
[INFO] [stderr]     Checking schemars v0.9.0
[INFO] [stderr]     Checking cargo_metadata v0.19.0
[INFO] [stderr]     Checking nextest-metadata v0.12.1
[INFO] [stderr]     Checking insta v1.12.0
[INFO] [stderr]     Checking toml v0.8.0
[INFO] [stderr]     Checking cargo-mutants v25.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.11s
[INFO] running `Command { std: "docker" "inspect" "b43d245f53425beb9d8fd8ec586191b34f528713657e7c404e07e3f5f785ba60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b43d245f53425beb9d8fd8ec586191b34f528713657e7c404e07e3f5f785ba60", kill_on_drop: false }`
[INFO] [stdout] b43d245f53425beb9d8fd8ec586191b34f528713657e7c404e07e3f5f785ba60