[INFO] fetching crate cargo-mutants 25.3.1...
[INFO] building cargo-mutants-25.3.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate cargo-mutants 25.3.1 into /workspace/builds/worker-7-tc2/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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-mutants 25.3.1 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa332440070c7ffc0339c48981d3945087e9a6e8002926d0320406e66da70b35
[INFO] running `Command { std: "docker" "start" "-a" "fa332440070c7ffc0339c48981d3945087e9a6e8002926d0320406e66da70b35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa332440070c7ffc0339c48981d3945087e9a6e8002926d0320406e66da70b35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa332440070c7ffc0339c48981d3945087e9a6e8002926d0320406e66da70b35", kill_on_drop: false }`
[INFO] [stdout] fa332440070c7ffc0339c48981d3945087e9a6e8002926d0320406e66da70b35
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cb4ab5f257c199bc9d981fb950317ad59abfdf22bb4aed64e8d331186e4bcc1
[INFO] running `Command { std: "docker" "start" "-a" "3cb4ab5f257c199bc9d981fb950317ad59abfdf22bb4aed64e8d331186e4bcc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.16
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[INFO] [stderr]    Compiling cargo-mutants v25.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 33s
[INFO] running `Command { std: "docker" "inspect" "3cb4ab5f257c199bc9d981fb950317ad59abfdf22bb4aed64e8d331186e4bcc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cb4ab5f257c199bc9d981fb950317ad59abfdf22bb4aed64e8d331186e4bcc1", kill_on_drop: false }`
[INFO] [stdout] 3cb4ab5f257c199bc9d981fb950317ad59abfdf22bb4aed64e8d331186e4bcc1
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf53655b21b3e0aec4edb6d6a81ad10d2daa152f9e1ed9d192dd855117886fe7
[INFO] running `Command { std: "docker" "start" "-a" "cf53655b21b3e0aec4edb6d6a81ad10d2daa152f9e1ed9d192dd855117886fe7", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-automata v0.4.9
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[INFO] [stderr]    Compiling predicates-core v1.0.9
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[INFO] [stderr]    Compiling yaml-rust v0.4.5
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[INFO] [stderr]    Compiling bstr v1.11.3
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[INFO] [stderr]    Compiling predicates v3.1.3
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[INFO] [stderr]    Compiling tracing-appender v0.2.3
[INFO] [stderr]    Compiling cargo-mutants v25.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 58.28s
[INFO] running `Command { std: "docker" "inspect" "cf53655b21b3e0aec4edb6d6a81ad10d2daa152f9e1ed9d192dd855117886fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf53655b21b3e0aec4edb6d6a81ad10d2daa152f9e1ed9d192dd855117886fe7", kill_on_drop: false }`
[INFO] [stdout] cf53655b21b3e0aec4edb6d6a81ad10d2daa152f9e1ed9d192dd855117886fe7