[INFO] cloning repository https://github.com/fox-daniel/rust-optimization-examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fox-daniel/rust-optimization-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffox-daniel%2Frust-optimization-examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffox-daniel%2Frust-optimization-examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 20586f9e15b5c7c8e88aa03843d4fa42d930cc90
[INFO] testing fox-daniel/rust-optimization-examples against master#d933cf483edf1605142ac6899ff32536c0ad8b22 for pr-150933
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffox-daniel%2Frust-optimization-examples" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fox-daniel/rust-optimization-examples
[INFO] finished tweaking git repo https://github.com/fox-daniel/rust-optimization-examples
[INFO] tweaked toml for git repo https://github.com/fox-daniel/rust-optimization-examples written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fox-daniel/rust-optimization-examples on toolchain d933cf483edf1605142ac6899ff32536c0ad8b22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fox-daniel/rust-optimization-examples 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" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be50424a7e6638e5bbe59a1f198314b4493b2e13964231a1036dacd9e7a56b20
[INFO] running `Command { std: "docker" "start" "-a" "be50424a7e6638e5bbe59a1f198314b4493b2e13964231a1036dacd9e7a56b20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be50424a7e6638e5bbe59a1f198314b4493b2e13964231a1036dacd9e7a56b20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be50424a7e6638e5bbe59a1f198314b4493b2e13964231a1036dacd9e7a56b20", kill_on_drop: false }`
[INFO] [stdout] be50424a7e6638e5bbe59a1f198314b4493b2e13964231a1036dacd9e7a56b20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac7628e1c6f90cfaf4ea10ed8b6ea081a9e1541f3f16c3c9949fd997e717ae8f
[INFO] running `Command { std: "docker" "start" "-a" "ac7628e1c6f90cfaf4ea10ed8b6ea081a9e1541f3f16c3c9949fd997e717ae8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-optimization-examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "ac7628e1c6f90cfaf4ea10ed8b6ea081a9e1541f3f16c3c9949fd997e717ae8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac7628e1c6f90cfaf4ea10ed8b6ea081a9e1541f3f16c3c9949fd997e717ae8f", kill_on_drop: false }`
[INFO] [stdout] ac7628e1c6f90cfaf4ea10ed8b6ea081a9e1541f3f16c3c9949fd997e717ae8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 528d9eee881d806421efbe5485bb57cc8c041b65d031058bb42d2fa22cbc07c7
[INFO] running `Command { std: "docker" "start" "-a" "528d9eee881d806421efbe5485bb57cc8c041b65d031058bb42d2fa22cbc07c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-optimization-examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "528d9eee881d806421efbe5485bb57cc8c041b65d031058bb42d2fa22cbc07c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "528d9eee881d806421efbe5485bb57cc8c041b65d031058bb42d2fa22cbc07c7", kill_on_drop: false }`
[INFO] [stdout] 528d9eee881d806421efbe5485bb57cc8c041b65d031058bb42d2fa22cbc07c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cfa559dde23f44738f9990739aaa3487d8df3af37eb5df0572f7cf76004a604a" "/opt/rustwide/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5a1cdda68da4fc8ed185fffb915338ebdd67ea6059686cf22f2eec804d48b246
[INFO] running `Command { std: "docker" "start" "-a" "5a1cdda68da4fc8ed185fffb915338ebdd67ea6059686cf22f2eec804d48b246", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_optimization_examples-78b0bc5eb09a7da8)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::clone_from_is_faster_than_clone ... ok
[INFO] [stdout] test tests::clone_from_is_barely_faster_than_clone ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_optimization_examples
[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" "5a1cdda68da4fc8ed185fffb915338ebdd67ea6059686cf22f2eec804d48b246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a1cdda68da4fc8ed185fffb915338ebdd67ea6059686cf22f2eec804d48b246", kill_on_drop: false }`
[INFO] [stdout] 5a1cdda68da4fc8ed185fffb915338ebdd67ea6059686cf22f2eec804d48b246