[INFO] cloning repository https://github.com/hashedone/toy-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hashedone/toy-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhashedone%2Ftoy-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhashedone%2Ftoy-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e04e06bd0fe9349d7515fe0731591eabc6b428b
[INFO] checking hashedone/toy-interpreter against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhashedone%2Ftoy-interpreter" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hashedone/toy-interpreter on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hashedone/toy-interpreter
[INFO] finished tweaking git repo https://github.com/hashedone/toy-interpreter
[INFO] tweaked toml for git repo https://github.com/hashedone/toy-interpreter written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/hashedone/toy-interpreter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ddf02322bc252dc6869dcb76ee6e6391ea24dbf47f42d3aa995dd827d91d0fb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4ddf02322bc252dc6869dcb76ee6e6391ea24dbf47f42d3aa995dd827d91d0fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ddf02322bc252dc6869dcb76ee6e6391ea24dbf47f42d3aa995dd827d91d0fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ddf02322bc252dc6869dcb76ee6e6391ea24dbf47f42d3aa995dd827d91d0fb", kill_on_drop: false }`
[INFO] [stdout] 4ddf02322bc252dc6869dcb76ee6e6391ea24dbf47f42d3aa995dd827d91d0fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbc8e5825b9f95bfc41bc06dde843404937f4935c4381e19ee5066c2e7716634
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fbc8e5825b9f95bfc41bc06dde843404937f4935c4381e19ee5066c2e7716634", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/parser.rs:493:46
[INFO] [stdout]     |
[INFO] [stdout] 493 |         let expected = Terminal::Value(27.0);;
[INFO] [stdout]     |                                              ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: this type alias takes 1 type argument but 2 type arguments were supplied
[INFO] [stdout]   --> src/lexer.rs:82:33
[INFO] [stdout]    |
[INFO] [stdout] 82 |         tokenize("^").collect::<Result<Vec<_>, _>>().unwrap_err();
[INFO] [stdout]    |                                 ^^^^^^       --- help: remove this type argument
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 expected 1 type argument
[INFO] [stdout]    |
[INFO] [stdout] note: type alias defined here, with 1 type parameter: `T`
[INFO] [stdout]   --> src/main.rs:9:6
[INFO] [stdout]    |
[INFO] [stdout] 9  | type Result<T> = std::result::Result<T, String>;
[INFO] [stdout]    |      ^^^^^^ -
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0107`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `interpreter`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fbc8e5825b9f95bfc41bc06dde843404937f4935c4381e19ee5066c2e7716634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbc8e5825b9f95bfc41bc06dde843404937f4935c4381e19ee5066c2e7716634", kill_on_drop: false }`
[INFO] [stdout] fbc8e5825b9f95bfc41bc06dde843404937f4935c4381e19ee5066c2e7716634