[INFO] cloning repository https://github.com/juzi5201314/rw_optimizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/juzi5201314/rw_optimizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuzi5201314%2Frw_optimizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuzi5201314%2Frw_optimizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0072c53b3b049d55f4eb36b9c99e2161f6d9adf
[INFO] building juzi5201314/rw_optimizer against master#ce36a966c79e109dabeef7a47fe68e5294c6d71e for pr-137044-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuzi5201314%2Frw_optimizer" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/juzi5201314/rw_optimizer on toolchain ce36a966c79e109dabeef7a47fe68e5294c6d71e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/juzi5201314/rw_optimizer
[INFO] finished tweaking git repo https://github.com/juzi5201314/rw_optimizer
[INFO] tweaked toml for git repo https://github.com/juzi5201314/rw_optimizer written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/juzi5201314/rw_optimizer 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" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded winapi-util v0.1.6
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.3
[INFO] [stderr]   Downloaded number_prefix v0.4.0
[INFO] [stderr]   Downloaded walkdir v2.4.0
[INFO] [stderr]   Downloaded argh_shared v0.1.12
[INFO] [stderr]   Downloaded signal-hook-registry v1.4.1
[INFO] [stderr]   Downloaded argh_derive v0.1.12
[INFO] [stderr]   Downloaded argh v0.1.12
[INFO] [stderr]   Downloaded anyhow v1.0.75
[INFO] [stderr]   Downloaded serde v1.0.189
[INFO] [stderr]   Downloaded memchr v2.6.4
[INFO] [stderr]   Downloaded portable-atomic v1.4.3
[INFO] [stderr]   Downloaded crossterm v0.25.0
[INFO] [stderr]   Downloaded unicode-segmentation v1.10.1
[INFO] [stderr]   Downloaded aho-corasick v1.1.2
[INFO] [stderr]   Downloaded rayon v1.8.0
[INFO] [stderr]   Downloaded mio v0.8.8
[INFO] [stderr]   Downloaded inquire v0.6.2
[INFO] [stderr]   Downloaded regex v1.10.2
[INFO] [stderr]   Downloaded syn v2.0.38
[INFO] [stderr]   Downloaded image v0.24.7
[INFO] [stderr]   Downloaded flate2 v1.0.28
[INFO] [stderr]   Downloaded png v0.17.10
[INFO] [stderr]   Downloaded regex-syntax v0.8.2
[INFO] [stderr]   Downloaded signal-hook v0.3.17
[INFO] [stderr]   Downloaded bstr v1.7.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.69
[INFO] [stderr]   Downloaded bytemuck v1.14.0
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.48.5
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.48.5
[INFO] [stderr]   Downloaded num-traits v0.2.17
[INFO] [stderr]   Downloaded miniz_oxide v0.7.1
[INFO] [stderr]   Downloaded indicatif v0.17.7
[INFO] [stderr]   Downloaded parking_lot_core v0.9.9
[INFO] [stderr]   Downloaded parking_lot v0.12.1
[INFO] [stderr]   Downloaded quote v1.0.33
[INFO] [stderr]   Downloaded unicode-ident v1.0.12
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.15
[INFO] [stderr]   Downloaded regex-automata v0.4.3
[INFO] [stderr]   Downloaded serde_derive v1.0.189
[INFO] [stderr]   Downloaded num-rational v0.4.1
[INFO] [stderr]   Downloaded encode_unicode v0.3.6
[INFO] [stderr]   Downloaded console v0.15.7
[INFO] [stderr]   Downloaded crossterm_winapi v0.9.1
[INFO] [stderr]   Downloaded jpeg-decoder v0.3.0
[INFO] [stderr]   Downloaded libc v0.2.149
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.48.5
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.48.5
[INFO] [stderr]   Downloaded lock_api v0.4.11
[INFO] [stderr]   Downloaded windows_i686_gnu v0.48.5
[INFO] [stderr]   Downloaded windows_i686_msvc v0.48.5
[INFO] [stderr]   Downloaded redox_syscall v0.4.1
[INFO] [stderr]   Downloaded smallvec v1.11.1
[INFO] [stderr]   Downloaded thiserror-impl v1.0.50
[INFO] [stderr]   Downloaded thiserror v1.0.50
[INFO] [stderr]   Downloaded either v1.9.0
[INFO] [stderr]   Downloaded autocfg v1.1.0
[INFO] [stderr]   Downloaded winapi v0.3.9
[INFO] [stderr]   Downloaded memoffset v0.9.0
[INFO] [stderr]   Downloaded rayon-core v1.12.0
[INFO] [stderr]   Downloaded glob v0.3.1
[INFO] [stderr]   Downloaded globset v0.4.13
[INFO] [stderr]   Downloaded num-integer v0.1.45
[INFO] [stderr]   Downloaded fdeflate v0.3.0
[INFO] [stderr]   Downloaded crc32fast v1.3.2
[INFO] [stderr]   Downloaded adler v1.0.2
[INFO] [stderr]   Downloaded log v0.4.20
[INFO] [stderr]   Downloaded signal-hook-mio v0.2.3
[INFO] [stderr]   Downloaded dyn-clone v1.0.14
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded unicode-width v0.1.11
[INFO] [stderr]   Downloaded scopeguard v1.2.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.16
[INFO] [stderr]   Downloaded color_quant v1.1.0
[INFO] [stderr]   Downloaded simd-adler32 v0.3.7
[INFO] [stderr]   Downloaded instant v0.1.12
[INFO] [stderr]   Downloaded windows-targets v0.48.5
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.48.5
[INFO] [stderr]   Downloaded newline-converter v0.2.2
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded windows-sys v0.48.0
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27a8e2d7c8ab38b94190281c9786573f4f7b5129714f0794f60d6c2cd3948767
[INFO] running `Command { std: "docker" "start" "-a" "27a8e2d7c8ab38b94190281c9786573f4f7b5129714f0794f60d6c2cd3948767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27a8e2d7c8ab38b94190281c9786573f4f7b5129714f0794f60d6c2cd3948767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27a8e2d7c8ab38b94190281c9786573f4f7b5129714f0794f60d6c2cd3948767", kill_on_drop: false }`
[INFO] [stdout] 27a8e2d7c8ab38b94190281c9786573f4f7b5129714f0794f60d6c2cd3948767
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cba36665e3b2684d975a762f8da245aa409b46de57ac545a2fc2fd5bee805a3b
[INFO] running `Command { std: "docker" "start" "-a" "cba36665e3b2684d975a762f8da245aa409b46de57ac545a2fc2fd5bee805a3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling smallvec v1.11.1
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling portable-atomic v1.4.3
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling fdeflate v0.3.0
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling jpeg-decoder v0.3.0
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling dyn-clone v1.0.14
[INFO] [stderr]    Compiling flate2 v1.0.28
[INFO] [stderr]    Compiling bytemuck v1.14.0
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling bstr v1.7.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling newline-converter v0.2.2
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling png v0.17.10
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling console v0.15.7
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling rayon v1.8.0
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling crossterm v0.25.0
[INFO] [stderr]    Compiling indicatif v0.17.7
[INFO] [stderr]    Compiling image v0.24.7
[INFO] [stderr]    Compiling serde_derive v1.0.189
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling inquire v0.6.2
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling globset v0.4.13
[INFO] [stderr]    Compiling argh_shared v0.1.12
[INFO] [stderr]    Compiling argh_derive v0.1.12
[INFO] [stderr]    Compiling argh v0.1.12
[INFO] [stderr]    Compiling rw_optimizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.27s
[INFO] running `Command { std: "docker" "inspect" "cba36665e3b2684d975a762f8da245aa409b46de57ac545a2fc2fd5bee805a3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cba36665e3b2684d975a762f8da245aa409b46de57ac545a2fc2fd5bee805a3b", kill_on_drop: false }`
[INFO] [stdout] cba36665e3b2684d975a762f8da245aa409b46de57ac545a2fc2fd5bee805a3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+ce36a966c79e109dabeef7a47fe68e5294c6d71e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15bd00846e949435c5d878dfcfad3da2508bd8b5dfc7c81934a80bc15233cfee
[INFO] running `Command { std: "docker" "start" "-a" "15bd00846e949435c5d878dfcfad3da2508bd8b5dfc7c81934a80bc15233cfee", kill_on_drop: false }`
[INFO] [stderr]    Compiling rw_optimizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "15bd00846e949435c5d878dfcfad3da2508bd8b5dfc7c81934a80bc15233cfee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15bd00846e949435c5d878dfcfad3da2508bd8b5dfc7c81934a80bc15233cfee", kill_on_drop: false }`
[INFO] [stdout] 15bd00846e949435c5d878dfcfad3da2508bd8b5dfc7c81934a80bc15233cfee