[INFO] cloning repository https://github.com/vicanso/image-optim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vicanso/image-optim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvicanso%2Fimage-optim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvicanso%2Fimage-optim'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c44e49f8b5e950dea08828c75f8316ee56a4c21
[INFO] testing vicanso/image-optim against master#23949593103d03a82c7ebc2e84434ce6c6edc561 for pr-115235
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvicanso%2Fimage-optim" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vicanso/image-optim on toolchain 23949593103d03a82c7ebc2e84434ce6c6edc561
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vicanso/image-optim
[INFO] finished tweaking git repo https://github.com/vicanso/image-optim
[INFO] tweaked toml for git repo https://github.com/vicanso/image-optim written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/vicanso/image-optim 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" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded forwarded-header-value v0.1.1
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[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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3291ececfda44c1038a6f168c0118b77a8f0dffac489a226db9126606118e4dd
[INFO] running `Command { std: "docker" "start" "-a" "3291ececfda44c1038a6f168c0118b77a8f0dffac489a226db9126606118e4dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3291ececfda44c1038a6f168c0118b77a8f0dffac489a226db9126606118e4dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3291ececfda44c1038a6f168c0118b77a8f0dffac489a226db9126606118e4dd", kill_on_drop: false }`
[INFO] [stdout] 3291ececfda44c1038a6f168c0118b77a8f0dffac489a226db9126606118e4dd
[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=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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb82d2a5ef60948fecd1431148e8198a32222d39c71eee4cd02910294e69fb8f
[INFO] running `Command { std: "docker" "start" "-a" "cb82d2a5ef60948fecd1431148e8198a32222d39c71eee4cd02910294e69fb8f", kill_on_drop: false }`
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[INFO] [stderr]    Compiling image-optim v0.2.13 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `load` is never used
[INFO] [stdout]    --> src/images.rs:239:8
[INFO] [stdout]     |
[INFO] [stdout] 239 | pub fn load<R: BufRead + Seek>(r: R, ext: String) -> Result<ImageInfo> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 44s
[INFO] running `Command { std: "docker" "inspect" "cb82d2a5ef60948fecd1431148e8198a32222d39c71eee4cd02910294e69fb8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb82d2a5ef60948fecd1431148e8198a32222d39c71eee4cd02910294e69fb8f", kill_on_drop: false }`
[INFO] [stdout] cb82d2a5ef60948fecd1431148e8198a32222d39c71eee4cd02910294e69fb8f
[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=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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cbef442ae81f1ad4ab6485fcf621dfee1159ff2a5010b97bf4769b3b8df6c14
[INFO] running `Command { std: "docker" "start" "-a" "8cbef442ae81f1ad4ab6485fcf621dfee1159ff2a5010b97bf4769b3b8df6c14", kill_on_drop: false }`
[INFO] [stderr]    Compiling image-optim v0.2.13 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `load` is never used
[INFO] [stdout]    --> src/images.rs:239:8
[INFO] [stdout]     |
[INFO] [stdout] 239 | pub fn load<R: BufRead + Seek>(r: R, ext: String) -> Result<ImageInfo> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.35s
[INFO] running `Command { std: "docker" "inspect" "8cbef442ae81f1ad4ab6485fcf621dfee1159ff2a5010b97bf4769b3b8df6c14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cbef442ae81f1ad4ab6485fcf621dfee1159ff2a5010b97bf4769b3b8df6c14", kill_on_drop: false }`
[INFO] [stdout] 8cbef442ae81f1ad4ab6485fcf621dfee1159ff2a5010b97bf4769b3b8df6c14
[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=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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 047495c14818b97f26d05a687acfc0bbf0e5f0e655f7e84eb4cfd40ac283bf53
[INFO] running `Command { std: "docker" "start" "-a" "047495c14818b97f26d05a687acfc0bbf0e5f0e655f7e84eb4cfd40ac283bf53", kill_on_drop: false }`
[INFO] [stderr] warning: function `load` is never used
[INFO] [stderr]    --> src/images.rs:239:8
[INFO] [stderr]     |
[INFO] [stderr] 239 | pub fn load<R: BufRead + Seek>(r: R, ext: String) -> Result<ImageInfo> {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `image-optim` (bin "image-optim" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/image_optim-90e543d7cb6ab8df)
[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" "047495c14818b97f26d05a687acfc0bbf0e5f0e655f7e84eb4cfd40ac283bf53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "047495c14818b97f26d05a687acfc0bbf0e5f0e655f7e84eb4cfd40ac283bf53", kill_on_drop: false }`
[INFO] [stdout] 047495c14818b97f26d05a687acfc0bbf0e5f0e655f7e84eb4cfd40ac283bf53