[INFO] fetching crate multi-start 0.1.2...
[INFO] testing multi-start-0.1.2 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate multi-start 0.1.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate multi-start 0.1.2
[INFO] finished tweaking crates.io crate multi-start 0.1.2
[INFO] tweaked toml for crates.io crate multi-start 0.1.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate multi-start 0.1.2 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 multi-start 0.1.2 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]  Downloading crates ...
[INFO] [stderr]   Downloaded ryu v1.0.13
[INFO] [stderr]   Downloaded itoa v1.0.6
[INFO] [stderr]   Downloaded num_threads v0.1.6
[INFO] [stderr]   Downloaded time-core v0.1.1
[INFO] [stderr]   Downloaded serde_json v1.0.97
[INFO] [stderr]   Downloaded serde v1.0.164
[INFO] [stderr]   Downloaded time v0.3.22
[INFO] [stderr]   Downloaded libc v0.2.146
[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] 514c52c3dfe59101b0900b5127d88908937b6eb4746ccb15c816da38574b17d9
[INFO] running `Command { std: "docker" "start" "-a" "514c52c3dfe59101b0900b5127d88908937b6eb4746ccb15c816da38574b17d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "514c52c3dfe59101b0900b5127d88908937b6eb4746ccb15c816da38574b17d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "514c52c3dfe59101b0900b5127d88908937b6eb4746ccb15c816da38574b17d9", kill_on_drop: false }`
[INFO] [stdout] 514c52c3dfe59101b0900b5127d88908937b6eb4746ccb15c816da38574b17d9
[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] 8a4653cc374b194a4d656962dc187875c00d1b911dc1ad86a2a135e00cd8b921
[INFO] running `Command { std: "docker" "start" "-a" "8a4653cc374b194a4d656962dc187875c00d1b911dc1ad86a2a135e00cd8b921", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]    Compiling serde_json v1.0.97
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling time-core v0.1.1
[INFO] [stderr]    Compiling num_threads v0.1.6
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling time v0.3.22
[INFO] [stderr]    Compiling multi-start v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.19s
[INFO] running `Command { std: "docker" "inspect" "8a4653cc374b194a4d656962dc187875c00d1b911dc1ad86a2a135e00cd8b921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a4653cc374b194a4d656962dc187875c00d1b911dc1ad86a2a135e00cd8b921", kill_on_drop: false }`
[INFO] [stdout] 8a4653cc374b194a4d656962dc187875c00d1b911dc1ad86a2a135e00cd8b921
[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] 14275cc64a8a8b7779494c8a5f1047aa6de07e129764949b874b7e748a2b4190
[INFO] running `Command { std: "docker" "start" "-a" "14275cc64a8a8b7779494c8a5f1047aa6de07e129764949b874b7e748a2b4190", kill_on_drop: false }`
[INFO] [stderr]    Compiling multi-start v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "14275cc64a8a8b7779494c8a5f1047aa6de07e129764949b874b7e748a2b4190", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14275cc64a8a8b7779494c8a5f1047aa6de07e129764949b874b7e748a2b4190", kill_on_drop: false }`
[INFO] [stdout] 14275cc64a8a8b7779494c8a5f1047aa6de07e129764949b874b7e748a2b4190
[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] 4b60fd8672b21f9cc7b0bf3d0cc5ab6234c5cc522eae2746fa48545e7420fe0c
[INFO] running `Command { std: "docker" "start" "-a" "4b60fd8672b21f9cc7b0bf3d0cc5ab6234c5cc522eae2746fa48545e7420fe0c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/bm-9e7d2a36ffbfb83c)
[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" "4b60fd8672b21f9cc7b0bf3d0cc5ab6234c5cc522eae2746fa48545e7420fe0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b60fd8672b21f9cc7b0bf3d0cc5ab6234c5cc522eae2746fa48545e7420fe0c", kill_on_drop: false }`
[INFO] [stdout] 4b60fd8672b21f9cc7b0bf3d0cc5ab6234c5cc522eae2746fa48545e7420fe0c