[INFO] cloning repository https://github.com/perlun/copper.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/perlun/copper.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fperlun%2Fcopper.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fperlun%2Fcopper.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1cabd3709594750f41344bfaf4891b6edab2de04
[INFO] checking perlun/copper.rs against master#8f359beca4e58bc3ae795a666301a8f47023044c for pr-121557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fperlun%2Fcopper.rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/perlun/copper.rs on toolchain 8f359beca4e58bc3ae795a666301a8f47023044c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/perlun/copper.rs
[INFO] finished tweaking git repo https://github.com/perlun/copper.rs
[INFO] tweaked toml for git repo https://github.com/perlun/copper.rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/perlun/copper.rs 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" "+8f359beca4e58bc3ae795a666301a8f47023044c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uuid v0.2.2
[INFO] [stderr]   Downloaded log4rs v0.4.7
[INFO] [stderr]   Downloaded serde-value v0.2.1
[INFO] [stderr]   Downloaded traitobject v0.0.3
[INFO] [stderr]   Downloaded serde_yaml v0.2.5
[INFO] [stderr]   Downloaded mime v0.2.1
[INFO] [stderr]   Downloaded ordered-float v0.1.0
[INFO] [stderr]   Downloaded unsafe-any v0.4.1
[INFO] [stderr]   Downloaded num-traits v0.1.32
[INFO] [stderr]   Downloaded httparse v1.1.2
[INFO] [stderr]   Downloaded humantime v0.1.3
[INFO] [stderr]   Downloaded serde v0.7.10
[INFO] [stderr]   Downloaded thread_local v0.2.6
[INFO] [stderr]   Downloaded yaml-rust v0.3.3
[INFO] [stderr]   Downloaded cookie v0.2.5
[INFO] [stderr]   Downloaded hpack v0.2.0
[INFO] [stderr]   Downloaded crossbeam v0.2.9
[INFO] [stderr]   Downloaded chrono v0.2.22
[INFO] [stderr]   Downloaded regex-syntax v0.3.3
[INFO] [stderr]   Downloaded winapi v0.2.7
[INFO] [stderr]   Downloaded url v0.5.9
[INFO] [stderr] error: invalid table header
[INFO] [stderr] expected newline, `#`
[INFO] [stderr]   --> ../../../cargo-home/registry/src/index.crates.io-6f17d22bba15001f/url-0.5.9/Cargo.toml:14:10
[INFO] [stderr]    |
[INFO] [stderr] 14 | [[test]] name = "format"
[INFO] [stderr]    |          ^
[INFO] [stderr]    |
[ERROR] this task or one of its parent failed!
[ERROR] command failed: exit status: 101
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.