[INFO] cloning repository https://github.com/Bruce0203/polling_vs_mio
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bruce0203/polling_vs_mio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBruce0203%2Fpolling_vs_mio", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBruce0203%2Fpolling_vs_mio'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 915f7cc1068025d239bd96d37be824305acd53a9
[INFO] checking Bruce0203/polling_vs_mio against master#f8463896a9b36a04899c013bd8825a7fd29dd7a4 for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBruce0203%2Fpolling_vs_mio" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Bruce0203/polling_vs_mio
[INFO] finished tweaking git repo https://github.com/Bruce0203/polling_vs_mio
[INFO] tweaked toml for git repo https://github.com/Bruce0203/polling_vs_mio written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Bruce0203/polling_vs_mio on toolchain f8463896a9b36a04899c013bd8825a7fd29dd7a4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Bruce0203/polling_vs_mio 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" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded condtype v1.3.0
[INFO] [stderr]   Downloaded clap v4.5.14
[INFO] [stderr]   Downloaded divan-macros v0.1.14
[INFO] [stderr]   Downloaded clap_builder v4.5.14
[INFO] [stderr]   Downloaded divan v0.1.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a422c5ada6f76bdc7e7eb3bd98871f88b23be1edb1565baf62cf00ae54f2670c
[INFO] running `Command { std: "docker" "start" "-a" "a422c5ada6f76bdc7e7eb3bd98871f88b23be1edb1565baf62cf00ae54f2670c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a422c5ada6f76bdc7e7eb3bd98871f88b23be1edb1565baf62cf00ae54f2670c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a422c5ada6f76bdc7e7eb3bd98871f88b23be1edb1565baf62cf00ae54f2670c", kill_on_drop: false }`
[INFO] [stdout] a422c5ada6f76bdc7e7eb3bd98871f88b23be1edb1565baf62cf00ae54f2670c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 857cc5ed32270dc2ba446365a0c137f0777a654db930856c8e18db46d2a3249e
[INFO] running `Command { std: "docker" "start" "-a" "857cc5ed32270dc2ba446365a0c137f0777a654db930856c8e18db46d2a3249e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking anstyle v1.0.8
[INFO] [stderr]     Checking clap_lex v0.7.2
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking regex-lite v0.1.6
[INFO] [stderr]     Checking condtype v1.3.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking mio v1.0.1
[INFO] [stderr]     Checking polling_vs_mio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling divan-macros v0.1.14
[INFO] [stderr]     Checking terminal_size v0.3.0
[INFO] [stderr]     Checking polling v3.7.2
[INFO] [stderr]     Checking clap_builder v4.5.14
[INFO] [stderr]     Checking clap v4.5.14
[INFO] [stderr]     Checking divan v0.1.14
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.98s
[INFO] running `Command { std: "docker" "inspect" "857cc5ed32270dc2ba446365a0c137f0777a654db930856c8e18db46d2a3249e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "857cc5ed32270dc2ba446365a0c137f0777a654db930856c8e18db46d2a3249e", kill_on_drop: false }`
[INFO] [stdout] 857cc5ed32270dc2ba446365a0c137f0777a654db930856c8e18db46d2a3249e