[INFO] fetching crate mutification 0.3.0...
[INFO] testing mutification-0.3.0 against 1.83.0 for beta-1.84.0-4
[INFO] extracting crate mutification 0.3.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate mutification 0.3.0 on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mutification 0.3.0
[INFO] finished tweaking crates.io crate mutification 0.3.0
[INFO] tweaked toml for crates.io crate mutification 0.3.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "generate-lockfile" "--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]      Locking 70 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "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 mutification_derive v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d362b3158f7384c8ffa1c529606a547cbb2337926c4e8d2e977727c65df919a
[INFO] running `Command { std: "docker" "start" "-a" "7d362b3158f7384c8ffa1c529606a547cbb2337926c4e8d2e977727c65df919a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d362b3158f7384c8ffa1c529606a547cbb2337926c4e8d2e977727c65df919a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d362b3158f7384c8ffa1c529606a547cbb2337926c4e8d2e977727c65df919a", kill_on_drop: false }`
[INFO] [stdout] 7d362b3158f7384c8ffa1c529606a547cbb2337926c4e8d2e977727c65df919a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8612b3ff15c87e75b8c1d6521b17705737b5b500a5896314d0c5c47cfd12069
[INFO] running `Command { std: "docker" "start" "-a" "e8612b3ff15c87e75b8c1d6521b17705737b5b500a5896314d0c5c47cfd12069", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling mutification_derive v0.3.0
[INFO] [stderr]    Compiling mutification v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.07s
[INFO] running `Command { std: "docker" "inspect" "e8612b3ff15c87e75b8c1d6521b17705737b5b500a5896314d0c5c47cfd12069", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8612b3ff15c87e75b8c1d6521b17705737b5b500a5896314d0c5c47cfd12069", kill_on_drop: false }`
[INFO] [stdout] e8612b3ff15c87e75b8c1d6521b17705737b5b500a5896314d0c5c47cfd12069
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5926a41de5518cc50b0c8825278566bb0dfcf9b0a77d34250cb97bc2f45cd91
[INFO] running `Command { std: "docker" "start" "-a" "d5926a41de5518cc50b0c8825278566bb0dfcf9b0a77d34250cb97bc2f45cd91", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling serde v1.0.216
[INFO] [stderr]    Compiling serde_derive v1.0.216
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.168
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling clap_builder v4.5.23
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling oorandom v11.1.4
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling is-terminal v0.4.13
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling clap v4.5.23
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling mutification v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 25.18s
[INFO] running `Command { std: "docker" "inspect" "d5926a41de5518cc50b0c8825278566bb0dfcf9b0a77d34250cb97bc2f45cd91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5926a41de5518cc50b0c8825278566bb0dfcf9b0a77d34250cb97bc2f45cd91", kill_on_drop: false }`
[INFO] [stdout] d5926a41de5518cc50b0c8825278566bb0dfcf9b0a77d34250cb97bc2f45cd91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 724e9aee77152d1da4afb17afac973e056b38cf083cba0586381ba720a640035
[INFO] running `Command { std: "docker" "start" "-a" "724e9aee77152d1da4afb17afac973e056b38cf083cba0586381ba720a640035", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mutification-0dae565a19f77656)
[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/test.rs (/opt/rustwide/target/debug/deps/test-a6be723692505241)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test ... 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]    Doc-tests mutification
[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" "724e9aee77152d1da4afb17afac973e056b38cf083cba0586381ba720a640035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "724e9aee77152d1da4afb17afac973e056b38cf083cba0586381ba720a640035", kill_on_drop: false }`
[INFO] [stdout] 724e9aee77152d1da4afb17afac973e056b38cf083cba0586381ba720a640035