[INFO] cloning repository https://github.com/ly18028750128/rust_study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ly18028750128/rust_study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fly18028750128%2Frust_study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fly18028750128%2Frust_study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2fb77a9a0b471621561ed91e2afc02c2eaee2829
[INFO] checking ly18028750128/rust_study against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fly18028750128%2Frust_study" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ly18028750128/rust_study
[INFO] finished tweaking git repo https://github.com/ly18028750128/rust_study
[INFO] tweaked toml for git repo https://github.com/ly18028750128/rust_study written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ly18028750128/rust_study on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ly18028750128/rust_study 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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 env_logger v0.11.3
[INFO] [stderr]   Downloaded humantime v2.1.0
[INFO] [stderr]   Downloaded env_filter v0.1.0
[INFO] [stderr]   Downloaded anstyle-wincon v3.0.3
[INFO] [stderr]   Downloaded log v0.4.21
[INFO] [stderr]   Downloaded android_system_properties v0.1.5
[INFO] [stderr]   Downloaded iana-time-zone-haiku v0.1.2
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]   Downloaded proc-macro2 v1.0.86
[INFO] [stderr]   Downloaded is_terminal_polyfill v1.70.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.92
[INFO] [stderr]   Downloaded android-tzdata v0.1.1
[INFO] [stderr]   Downloaded core-foundation-sys v0.8.6
[INFO] [stderr]   Downloaded windows-core v0.52.0
[INFO] [stderr]   Downloaded memchr v2.7.4
[INFO] [stderr]   Downloaded quote v1.0.36
[INFO] [stderr]   Downloaded js-sys v0.3.69
[INFO] [stderr]   Downloaded cc v1.0.100
[INFO] [stderr]   Downloaded num-traits v0.2.19
[INFO] [stderr]   Downloaded bumpalo v3.16.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.92
[INFO] [stderr]   Downloaded anstyle-parse v0.2.4
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.92
[INFO] [stderr]   Downloaded chrono v0.4.38
[INFO] [stderr]   Downloaded regex v1.10.5
[INFO] [stderr]   Downloaded aho-corasick v1.1.3
[INFO] [stderr]   Downloaded syn v2.0.68
[INFO] [stderr]   Downloaded fern v0.6.2
[INFO] [stderr]   Downloaded anstream v0.6.14
[INFO] [stderr]   Downloaded anstyle v1.0.7
[INFO] [stderr]   Downloaded regex-syntax v0.8.4
[INFO] [stderr]   Downloaded iana-time-zone v0.1.60
[INFO] [stderr]   Downloaded autocfg v1.3.0
[INFO] [stderr]   Downloaded anstyle-query v1.1.0
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.52.5
[INFO] [stderr]   Downloaded windows_i686_gnullvm v0.52.5
[INFO] [stderr]   Downloaded colorchoice v1.0.1
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.52.5
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.92
[INFO] [stderr]   Downloaded windows-targets v0.52.5
[INFO] [stderr]   Downloaded regex-automata v0.4.7
[INFO] [stderr]   Downloaded libc v0.2.155
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.52.5
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.52.5
[INFO] [stderr]   Downloaded windows_i686_msvc v0.52.5
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.52.5
[INFO] [stderr]   Downloaded windows_i686_gnu v0.52.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20df37cc1da3ac8bff4f5f84e608a116839ff35539cd1781ff72cd976b435a79
[INFO] running `Command { std: "docker" "start" "-a" "20df37cc1da3ac8bff4f5f84e608a116839ff35539cd1781ff72cd976b435a79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20df37cc1da3ac8bff4f5f84e608a116839ff35539cd1781ff72cd976b435a79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20df37cc1da3ac8bff4f5f84e608a116839ff35539cd1781ff72cd976b435a79", kill_on_drop: false }`
[INFO] [stdout] 20df37cc1da3ac8bff4f5f84e608a116839ff35539cd1781ff72cd976b435a79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad49b1b8a7509f9472a38707a470e8de44171d231b3ab7eea04a7c55fcb0df5f
[INFO] running `Command { std: "docker" "start" "-a" "ad49b1b8a7509f9472a38707a470e8de44171d231b3ab7eea04a7c55fcb0df5f", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking anstyle v1.0.7
[INFO] [stderr]     Checking anstyle-query v1.1.0
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.0
[INFO] [stderr]     Checking colorchoice v1.0.1
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]     Checking anstyle-parse v0.2.4
[INFO] [stderr]     Checking fern v0.6.2
[INFO] [stderr]     Checking anstream v0.6.14
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking regex v1.10.5
[INFO] [stderr]     Checking env_filter v0.1.0
[INFO] [stderr]     Checking env_logger v0.11.3
[INFO] [stderr]     Checking greeting v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `fern::Dispatch`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use fern::Dispatch;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fern::Dispatch`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use fern::Dispatch;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.95s
[INFO] running `Command { std: "docker" "inspect" "ad49b1b8a7509f9472a38707a470e8de44171d231b3ab7eea04a7c55fcb0df5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad49b1b8a7509f9472a38707a470e8de44171d231b3ab7eea04a7c55fcb0df5f", kill_on_drop: false }`
[INFO] [stdout] ad49b1b8a7509f9472a38707a470e8de44171d231b3ab7eea04a7c55fcb0df5f