[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] a5f2bd59b66fbd8e87f99acd7cd19005a7e6e304
[INFO] testing vicanso/image-optim against try#ecd7b559f89c73ac8f1d318f7501006f37b944b2 for pr-112849
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvicanso%2Fimage-optim" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vicanso/image-optim on toolchain ecd7b559f89c73ac8f1d318f7501006f37b944b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "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-2-tc2/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" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "e5bd49cd3f1d69ad29bf98e94b82d5de1014887f5b211bc503afe07da07adaa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5bd49cd3f1d69ad29bf98e94b82d5de1014887f5b211bc503afe07da07adaa7", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 747eeae881ef038c70736776d1d7dff8c9eee7a6ef34655e40fb39b0f519a6d0
[INFO] running `Command { std: "docker" "start" "-a" "747eeae881ef038c70736776d1d7dff8c9eee7a6ef34655e40fb39b0f519a6d0", kill_on_drop: false }`
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[INFO] [stderr]    Compiling image-optim v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `load` is never used
[INFO] [stdout]    --> src/images.rs:233:8
[INFO] [stdout]     |
[INFO] [stdout] 233 | 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 2m 12s
[INFO] running `Command { std: "docker" "inspect" "747eeae881ef038c70736776d1d7dff8c9eee7a6ef34655e40fb39b0f519a6d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "747eeae881ef038c70736776d1d7dff8c9eee7a6ef34655e40fb39b0f519a6d0", kill_on_drop: false }`
[INFO] [stdout] 747eeae881ef038c70736776d1d7dff8c9eee7a6ef34655e40fb39b0f519a6d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f07e5ca6c2d56a2bb9e16a71ec151e1ec56aa1f9db22390136f36a57319ccb5
[INFO] running `Command { std: "docker" "start" "-a" "9f07e5ca6c2d56a2bb9e16a71ec151e1ec56aa1f9db22390136f36a57319ccb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling image-optim v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `load` is never used
[INFO] [stdout]    --> src/images.rs:233:8
[INFO] [stdout]     |
[INFO] [stdout] 233 | 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 13.00s
[INFO] running `Command { std: "docker" "inspect" "9f07e5ca6c2d56a2bb9e16a71ec151e1ec56aa1f9db22390136f36a57319ccb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f07e5ca6c2d56a2bb9e16a71ec151e1ec56aa1f9db22390136f36a57319ccb5", kill_on_drop: false }`
[INFO] [stdout] 9f07e5ca6c2d56a2bb9e16a71ec151e1ec56aa1f9db22390136f36a57319ccb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+ecd7b559f89c73ac8f1d318f7501006f37b944b2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4f77195e26a724ec88a29e68977fcddf72f26731561190f6eab119e90adfad56
[INFO] running `Command { std: "docker" "start" "-a" "4f77195e26a724ec88a29e68977fcddf72f26731561190f6eab119e90adfad56", kill_on_drop: false }`
[INFO] [stderr] warning: function `load` is never used
[INFO] [stderr]    --> src/images.rs:233:8
[INFO] [stderr]     |
[INFO] [stderr] 233 | 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 0.48s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/image_optim-7100fbe755863239)
[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" "4f77195e26a724ec88a29e68977fcddf72f26731561190f6eab119e90adfad56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f77195e26a724ec88a29e68977fcddf72f26731561190f6eab119e90adfad56", kill_on_drop: false }`
[INFO] [stdout] 4f77195e26a724ec88a29e68977fcddf72f26731561190f6eab119e90adfad56