[INFO] cloning repository https://github.com/lepelog/u8arc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lepelog/u8arc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flepelog%2Fu8arc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flepelog%2Fu8arc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7299ff88eb2c264c39ddf42d7ba1ddb030fdd3bb
[INFO] checking lepelog/u8arc against master#040e2f8b9ff2d76fbe2146d6003e297ed4532088 for pr-143619
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flepelog%2Fu8arc" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lepelog/u8arc
[INFO] finished tweaking git repo https://github.com/lepelog/u8arc
[INFO] tweaked toml for git repo https://github.com/lepelog/u8arc written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lepelog/u8arc on toolchain 040e2f8b9ff2d76fbe2146d6003e297ed4532088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lepelog/u8arc 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" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded owo-colors v4.2.0
[INFO] [stderr]   Downloaded binrw_derive v0.15.0
[INFO] [stderr]   Downloaded binrw v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fbf1c5229b800f42f22d13db8e2131ea0fae0d883910cbead7ab2db495b1825
[INFO] running `Command { std: "docker" "start" "-a" "2fbf1c5229b800f42f22d13db8e2131ea0fae0d883910cbead7ab2db495b1825", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fbf1c5229b800f42f22d13db8e2131ea0fae0d883910cbead7ab2db495b1825", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fbf1c5229b800f42f22d13db8e2131ea0fae0d883910cbead7ab2db495b1825", kill_on_drop: false }`
[INFO] [stdout] 2fbf1c5229b800f42f22d13db8e2131ea0fae0d883910cbead7ab2db495b1825
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38011da18a7734a282c14c05d4c16e01a697c9fd721bcb0fe2da9dd7d24d8cc5
[INFO] running `Command { std: "docker" "start" "-a" "38011da18a7734a282c14c05d4c16e01a697c9fd721bcb0fe2da9dd7d24d8cc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling owo-colors v4.2.0
[INFO] [stderr]    Compiling binrw_derive v0.15.0
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling binrw v0.15.0
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]     Checking bytemuck v1.21.0
[INFO] [stderr]     Checking array-init v2.1.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.93
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]     Checking u8arc v1.0.0 (/opt/rustwide/workdir/u8arc)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.58s
[INFO] running `Command { std: "docker" "inspect" "38011da18a7734a282c14c05d4c16e01a697c9fd721bcb0fe2da9dd7d24d8cc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38011da18a7734a282c14c05d4c16e01a697c9fd721bcb0fe2da9dd7d24d8cc5", kill_on_drop: false }`
[INFO] [stdout] 38011da18a7734a282c14c05d4c16e01a697c9fd721bcb0fe2da9dd7d24d8cc5