[INFO] cloning repository https://github.com/LanaCoyote/rust-irc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LanaCoyote/rust-irc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLanaCoyote%2Frust-irc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLanaCoyote%2Frust-irc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62e820511724c6cb02aa806bd7bff427f2a57756
[INFO] testing LanaCoyote/rust-irc against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLanaCoyote%2Frust-irc" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LanaCoyote/rust-irc on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LanaCoyote/rust-irc
[INFO] finished tweaking git repo https://github.com/LanaCoyote/rust-irc
[INFO] tweaked toml for git repo https://github.com/LanaCoyote/rust-irc written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/LanaCoyote/rust-irc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (regex) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4502217596fe08e0a263dddbebd80b5bd182e3675cae7c9bf0464131dc3b540a
[INFO] running `Command { std: "docker" "start" "-a" "4502217596fe08e0a263dddbebd80b5bd182e3675cae7c9bf0464131dc3b540a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4502217596fe08e0a263dddbebd80b5bd182e3675cae7c9bf0464131dc3b540a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4502217596fe08e0a263dddbebd80b5bd182e3675cae7c9bf0464131dc3b540a", kill_on_drop: false }`
[INFO] [stdout] 4502217596fe08e0a263dddbebd80b5bd182e3675cae7c9bf0464131dc3b540a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86c4c3a868a9de27a487de74b4fa092665665a1b83567afd576a0c1546518857
[INFO] running `Command { std: "docker" "start" "-a" "86c4c3a868a9de27a487de74b4fa092665665a1b83567afd576a0c1546518857", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (regex) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling regex v0.1.13
[INFO] [stdout] error: expected parameter name, found `:`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-0.1.13/src/re.rs:783:46
[INFO] [stdout]     |
[INFO] [stdout] 783 |         let text = re.replace_all(text, |&mut: refs: &Captures| -> String {
[INFO] [stdout]     |                                              ^ expected parameter name
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `unicode`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-0.1.13/src/lib.rs:373:1
[INFO] [stdout]     |
[INFO] [stdout] 373 | extern crate unicode;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `regex`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "86c4c3a868a9de27a487de74b4fa092665665a1b83567afd576a0c1546518857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86c4c3a868a9de27a487de74b4fa092665665a1b83567afd576a0c1546518857", kill_on_drop: false }`
[INFO] [stdout] 86c4c3a868a9de27a487de74b4fa092665665a1b83567afd576a0c1546518857