[INFO] fetching crate mutated-elements 0.2.0...
[INFO] testing mutated-elements-0.2.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate mutated-elements 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate mutated-elements 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mutated-elements 0.2.0
[INFO] tweaked toml for crates.io crate mutated-elements 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mutated-elements 0.2.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mutated-elements 0.2.0 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded objc2-core-audio-types v0.3.2
[INFO] [stderr]   Downloaded alsa-sys v0.4.0
[INFO] [stderr]   Downloaded objc2-core-audio v0.3.2
[INFO] [stderr]   Downloaded coreaudio-rs v0.14.0
[INFO] [stderr]   Downloaded alsa v0.11.0
[INFO] [stderr]   Downloaded cpal v0.17.3
[INFO] [stderr]   Downloaded objc2-audio-toolbox v0.3.2
[INFO] [stderr]   Downloaded objc2-avf-audio v0.3.2
[INFO] [stderr]   Downloaded rodio v0.22.2
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da8b779baa3047d4f0a9add767b609a7b1ef680ae7e8055cd6f50191c02e0483
[INFO] running `Command { std: "docker" "start" "-a" "da8b779baa3047d4f0a9add767b609a7b1ef680ae7e8055cd6f50191c02e0483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da8b779baa3047d4f0a9add767b609a7b1ef680ae7e8055cd6f50191c02e0483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da8b779baa3047d4f0a9add767b609a7b1ef680ae7e8055cd6f50191c02e0483", kill_on_drop: false }`
[INFO] [stdout] da8b779baa3047d4f0a9add767b609a7b1ef680ae7e8055cd6f50191c02e0483
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bb2c17ae6e558d780d73c9fdb12a213af3fda813eb1d00e19418c432bdbc8ef
[INFO] running `Command { std: "docker" "start" "-a" "8bb2c17ae6e558d780d73c9fdb12a213af3fda813eb1d00e19418c432bdbc8ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling hound v3.5.1
[INFO] [stderr]    Compiling mutated-elements v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "8bb2c17ae6e558d780d73c9fdb12a213af3fda813eb1d00e19418c432bdbc8ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bb2c17ae6e558d780d73c9fdb12a213af3fda813eb1d00e19418c432bdbc8ef", kill_on_drop: false }`
[INFO] [stdout] 8bb2c17ae6e558d780d73c9fdb12a213af3fda813eb1d00e19418c432bdbc8ef
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 923619a3e84b71c252129940d6ef15734603f0bd816cfe0aa84865026e810cba
[INFO] running `Command { std: "docker" "start" "-a" "923619a3e84b71c252129940d6ef15734603f0bd816cfe0aa84865026e810cba", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling alsa-sys v0.4.0
[INFO] [stderr]    Compiling cpal v0.17.3
[INFO] [stderr]    Compiling dasp_sample v0.11.0
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling alsa v0.11.0
[INFO] [stderr]    Compiling rodio v0.22.2
[INFO] [stderr]    Compiling mutated-elements v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.07s
[INFO] running `Command { std: "docker" "inspect" "923619a3e84b71c252129940d6ef15734603f0bd816cfe0aa84865026e810cba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "923619a3e84b71c252129940d6ef15734603f0bd816cfe0aa84865026e810cba", kill_on_drop: false }`
[INFO] [stdout] 923619a3e84b71c252129940d6ef15734603f0bd816cfe0aa84865026e810cba
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 102bd76dc0644293341a9319e12b1da89ff3ed55cd6789f8b76a5538f73634f6
[INFO] running `Command { std: "docker" "start" "-a" "102bd76dc0644293341a9319e12b1da89ff3ed55cd6789f8b76a5538f73634f6", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mutated_elements-1f5a4886d7c5dbcc)
[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]    Doc-tests mutated_elements
[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" "102bd76dc0644293341a9319e12b1da89ff3ed55cd6789f8b76a5538f73634f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "102bd76dc0644293341a9319e12b1da89ff3ed55cd6789f8b76a5538f73634f6", kill_on_drop: false }`
[INFO] [stdout] 102bd76dc0644293341a9319e12b1da89ff3ed55cd6789f8b76a5538f73634f6