[INFO] fetching crate mutate 0.1.0...
[INFO] testing mutate-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate mutate 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate mutate 0.1.0
[INFO] finished tweaking crates.io crate mutate 0.1.0
[INFO] tweaked toml for crates.io crate mutate 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mutate 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 351e256a647f6477e2aaf14e52a8351d4e4bb07ee23ded8aec7fe9a635e19e9f
[INFO] running `Command { std: "docker" "start" "-a" "351e256a647f6477e2aaf14e52a8351d4e4bb07ee23ded8aec7fe9a635e19e9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "351e256a647f6477e2aaf14e52a8351d4e4bb07ee23ded8aec7fe9a635e19e9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "351e256a647f6477e2aaf14e52a8351d4e4bb07ee23ded8aec7fe9a635e19e9f", kill_on_drop: false }`
[INFO] [stdout] 351e256a647f6477e2aaf14e52a8351d4e4bb07ee23ded8aec7fe9a635e19e9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06019bfb5c5f32b6442d3e29c364fb5fddf0f4ba9b5fe6f0ef45e16f4002741a
[INFO] running `Command { std: "docker" "start" "-a" "06019bfb5c5f32b6442d3e29c364fb5fddf0f4ba9b5fe6f0ef45e16f4002741a", kill_on_drop: false }`
[INFO] [stderr]    Compiling mutate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "06019bfb5c5f32b6442d3e29c364fb5fddf0f4ba9b5fe6f0ef45e16f4002741a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06019bfb5c5f32b6442d3e29c364fb5fddf0f4ba9b5fe6f0ef45e16f4002741a", kill_on_drop: false }`
[INFO] [stdout] 06019bfb5c5f32b6442d3e29c364fb5fddf0f4ba9b5fe6f0ef45e16f4002741a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b14709d10b00681ba8e59d7e7f18424f9e11e699cdec46109442dcfd4c7882eb
[INFO] running `Command { std: "docker" "start" "-a" "b14709d10b00681ba8e59d7e7f18424f9e11e699cdec46109442dcfd4c7882eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling mutate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "b14709d10b00681ba8e59d7e7f18424f9e11e699cdec46109442dcfd4c7882eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b14709d10b00681ba8e59d7e7f18424f9e11e699cdec46109442dcfd4c7882eb", kill_on_drop: false }`
[INFO] [stdout] b14709d10b00681ba8e59d7e7f18424f9e11e699cdec46109442dcfd4c7882eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 14424e05d1b26daf3a2db167046c984419fdde0413bee40b4b0fa87f1e687a4a
[INFO] running `Command { std: "docker" "start" "-a" "14424e05d1b26daf3a2db167046c984419fdde0413bee40b4b0fa87f1e687a4a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mutate-2816146f7914c43f)
[INFO] [stderr]    Doc-tests mutate
[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] [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" "14424e05d1b26daf3a2db167046c984419fdde0413bee40b4b0fa87f1e687a4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14424e05d1b26daf3a2db167046c984419fdde0413bee40b4b0fa87f1e687a4a", kill_on_drop: false }`
[INFO] [stdout] 14424e05d1b26daf3a2db167046c984419fdde0413bee40b4b0fa87f1e687a4a