[INFO] cloning repository https://github.com/taosx/optimize-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/taosx/optimize-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaosx%2Foptimize-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaosx%2Foptimize-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6357f5247d55ad3adf17027c15634e8302472026
[INFO] testing taosx/optimize-example against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaosx%2Foptimize-example" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/taosx/optimize-example
[INFO] finished tweaking git repo https://github.com/taosx/optimize-example
[INFO] tweaked toml for git repo https://github.com/taosx/optimize-example written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/taosx/optimize-example on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/taosx/optimize-example 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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_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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc8e9876c6b00fce672370ecbb2b5c9629a39849711c37254b5b04179aae36ec
[INFO] running `Command { std: "docker" "start" "-a" "bc8e9876c6b00fce672370ecbb2b5c9629a39849711c37254b5b04179aae36ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc8e9876c6b00fce672370ecbb2b5c9629a39849711c37254b5b04179aae36ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc8e9876c6b00fce672370ecbb2b5c9629a39849711c37254b5b04179aae36ec", kill_on_drop: false }`
[INFO] [stdout] bc8e9876c6b00fce672370ecbb2b5c9629a39849711c37254b5b04179aae36ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1033d92abce1f628dccd86c877e13e7b0a9ca9c6b290264ac5a006433526990a
[INFO] running `Command { std: "docker" "start" "-a" "1033d92abce1f628dccd86c877e13e7b0a9ca9c6b290264ac5a006433526990a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling bytemuck v1.13.1
[INFO] [stderr]    Compiling dunce v1.0.4
[INFO] [stderr]    Compiling nasm-rs v0.2.5
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling flate2 v1.0.27
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling weezl v0.1.7
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling fdeflate v0.3.0
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling half v2.2.1
[INFO] [stderr]    Compiling gif v0.12.0
[INFO] [stderr]    Compiling png v0.17.10
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling rgb v0.8.36
[INFO] [stderr]    Compiling mozjpeg-sys v1.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling jpeg-decoder v0.3.0
[INFO] [stderr]    Compiling pin-project v1.1.3
[INFO] [stderr]    Compiling tiff v0.9.0
[INFO] [stderr]    Compiling flume v0.10.14
[INFO] [stderr]    Compiling mozjpeg v0.9.6
[INFO] [stderr]    Compiling exr v1.7.0
[INFO] [stderr]    Compiling image v0.24.7
[INFO] [stderr]    Compiling optimize-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `path_file_prefix` has been stable since 1.91.0-nightly and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(path_file_prefix)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 48.71s
[INFO] running `Command { std: "docker" "inspect" "1033d92abce1f628dccd86c877e13e7b0a9ca9c6b290264ac5a006433526990a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1033d92abce1f628dccd86c877e13e7b0a9ca9c6b290264ac5a006433526990a", kill_on_drop: false }`
[INFO] [stdout] 1033d92abce1f628dccd86c877e13e7b0a9ca9c6b290264ac5a006433526990a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 158197c5b77beda52bf785e41da2ab7b47ee74400e5beb9c58638e6691f604c7
[INFO] running `Command { std: "docker" "start" "-a" "158197c5b77beda52bf785e41da2ab7b47ee74400e5beb9c58638e6691f604c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling optimize-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `path_file_prefix` has been stable since 1.91.0-nightly and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(path_file_prefix)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "158197c5b77beda52bf785e41da2ab7b47ee74400e5beb9c58638e6691f604c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "158197c5b77beda52bf785e41da2ab7b47ee74400e5beb9c58638e6691f604c7", kill_on_drop: false }`
[INFO] [stdout] 158197c5b77beda52bf785e41da2ab7b47ee74400e5beb9c58638e6691f604c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 672d489e40def26f6e5c2d659c08b60d71b1e9c8c8a75ad4349ab9a270a19b5f
[INFO] running `Command { std: "docker" "start" "-a" "672d489e40def26f6e5c2d659c08b60d71b1e9c8c8a75ad4349ab9a270a19b5f", kill_on_drop: false }`
[INFO] [stderr] warning: the feature `path_file_prefix` has been stable since 1.91.0-nightly and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(path_file_prefix)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `optimize-example` (bin "optimize-example" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/optimize_example-89afb7c2149da9c2)
[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" "672d489e40def26f6e5c2d659c08b60d71b1e9c8c8a75ad4349ab9a270a19b5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "672d489e40def26f6e5c2d659c08b60d71b1e9c8c8a75ad4349ab9a270a19b5f", kill_on_drop: false }`
[INFO] [stdout] 672d489e40def26f6e5c2d659c08b60d71b1e9c8c8a75ad4349ab9a270a19b5f