[INFO] cloning repository https://github.com/meddle0x53/ulc-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/meddle0x53/ulc-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeddle0x53%2Fulc-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeddle0x53%2Fulc-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f6cf62fe0143a3941de52d6f66f010aebafc1ce3
[INFO] testing meddle0x53/ulc-rust against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeddle0x53%2Fulc-rust" "/workspace/builds/worker-39/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-39/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/meddle0x53/ulc-rust on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/meddle0x53/ulc-rust
[INFO] finished tweaking git repo https://github.com/meddle0x53/ulc-rust
[INFO] tweaked toml for git repo https://github.com/meddle0x53/ulc-rust written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] crate git repo https://github.com/meddle0x53/ulc-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e69188dbeb94f3c2f51fd6a7041118c82441b3229114133d80d081cebdf54664
[INFO] running `Command { std: "docker" "start" "-a" "e69188dbeb94f3c2f51fd6a7041118c82441b3229114133d80d081cebdf54664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e69188dbeb94f3c2f51fd6a7041118c82441b3229114133d80d081cebdf54664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e69188dbeb94f3c2f51fd6a7041118c82441b3229114133d80d081cebdf54664", kill_on_drop: false }`
[INFO] [stdout] e69188dbeb94f3c2f51fd6a7041118c82441b3229114133d80d081cebdf54664
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7db66bacbc26d13db0b7b0f3c5c566ba490e1b68ce7d140458d8bd0db2e1fe13
[INFO] running `Command { std: "docker" "start" "-a" "7db66bacbc26d13db0b7b0f3c5c566ba490e1b68ce7d140458d8bd0db2e1fe13", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.34
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling encode_unicode v0.1.3
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling colored v1.6.0
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling rustyline v1.0.0
[INFO] [stderr]    Compiling ulc v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `,`, `@`, `]`, or `|`, found `..`
[INFO] [stdout]   --> src/parser.rs:66:36
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 [ref head, ref tail..] => {
[INFO] [stdout]    |                                    ^^ expected one of `,`, `@`, `]`, or `|`
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to bind the contents of the rest of the array pattern into `tail`, use `@`
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 [ref head, ref tail @ ..] => {
[INFO] [stdout]    |                                     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ulc` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "7db66bacbc26d13db0b7b0f3c5c566ba490e1b68ce7d140458d8bd0db2e1fe13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7db66bacbc26d13db0b7b0f3c5c566ba490e1b68ce7d140458d8bd0db2e1fe13", kill_on_drop: false }`
[INFO] [stdout] 7db66bacbc26d13db0b7b0f3c5c566ba490e1b68ce7d140458d8bd0db2e1fe13