[INFO] cloning repository https://github.com/lukad/chao
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lukad/chao" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukad%2Fchao", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukad%2Fchao'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7a8c1ce89f740b26b3558bdc3de078a91c98e215
[INFO] checking lukad/chao against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukad%2Fchao" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lukad/chao
[INFO] finished tweaking git repo https://github.com/lukad/chao
[INFO] tweaked toml for git repo https://github.com/lukad/chao written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lukad/chao on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lukad/chao 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" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded either v1.5.2
[INFO] [stderr]   Downloaded nibble_vec v0.1.0
[INFO] [stderr]   Downloaded endian-type v0.2.0
[INFO] [stderr]   Downloaded radix_trie v0.3.0
[INFO] [stderr]   Downloaded rustyline v18.0.0
[INFO] [stderr]   Downloaded itertools v0.15.0
[INFO] [stderr]   Downloaded nix v0.31.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] aba522f703a4f8236f7c3e595cb90ca7f075a8722411bd73603c6970a9ecd8fa
[INFO] running `Command { std: "docker" "start" "aba522f703a4f8236f7c3e595cb90ca7f075a8722411bd73603c6970a9ecd8fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aba522f703a4f8236f7c3e595cb90ca7f075a8722411bd73603c6970a9ecd8fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "aba522f703a4f8236f7c3e595cb90ca7f075a8722411bd73603c6970a9ecd8fa" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aba522f703a4f8236f7c3e595cb90ca7f075a8722411bd73603c6970a9ecd8fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "aba522f703a4f8236f7c3e595cb90ca7f075a8722411bd73603c6970a9ecd8fa" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.118
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]     Checking colored v3.1.1
[INFO] [stderr]     Checking endian-type v0.2.0
[INFO] [stderr]     Checking bitflags v2.13.0
[INFO] [stderr]     Checking unicode-segmentation v1.13.3
[INFO] [stderr]     Checking home v0.5.12
[INFO] [stderr]     Checking log v0.4.33
[INFO] [stderr]     Checking combine v4.6.7
[INFO] [stderr]    Compiling nix v0.31.3
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking itertools v0.15.0
[INFO] [stderr]     Checking radix_trie v0.3.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]     Checking thiserror v2.0.18
[INFO] [stderr]     Checking rustyline v18.0.0
[INFO] [stderr]     Checking libchao v0.1.0 (/opt/rustwide/workdir/libchao)
[INFO] [stderr]     Checking chao v0.1.0 (/opt/rustwide/workdir/chao)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.14s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nix v0.31.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "aba522f703a4f8236f7c3e595cb90ca7f075a8722411bd73603c6970a9ecd8fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aba522f703a4f8236f7c3e595cb90ca7f075a8722411bd73603c6970a9ecd8fa", kill_on_drop: false }`
[INFO] [stdout] aba522f703a4f8236f7c3e595cb90ca7f075a8722411bd73603c6970a9ecd8fa
