[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] testing hashedone/toy-interpreter against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhashedone%2Ftoy-interpreter" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hashedone/toy-interpreter on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-2/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f85ddd5e34810f4a476442baba4720db2da03b4b3970080b323d53881fd372c6
[INFO] running `Command { std: "docker" "start" "-a" "f85ddd5e34810f4a476442baba4720db2da03b4b3970080b323d53881fd372c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f85ddd5e34810f4a476442baba4720db2da03b4b3970080b323d53881fd372c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f85ddd5e34810f4a476442baba4720db2da03b4b3970080b323d53881fd372c6", kill_on_drop: false }`
[INFO] [stdout] f85ddd5e34810f4a476442baba4720db2da03b4b3970080b323d53881fd372c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c06f2855cde48f9d94c512bc82864b24ed1e4bc9160cb36b92ce860c4cccad1
[INFO] running `Command { std: "docker" "start" "-a" "2c06f2855cde48f9d94c512bc82864b24ed1e4bc9160cb36b92ce860c4cccad1", kill_on_drop: false }`
[INFO] [stderr]    Compiling interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "2c06f2855cde48f9d94c512bc82864b24ed1e4bc9160cb36b92ce860c4cccad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c06f2855cde48f9d94c512bc82864b24ed1e4bc9160cb36b92ce860c4cccad1", kill_on_drop: false }`
[INFO] [stdout] 2c06f2855cde48f9d94c512bc82864b24ed1e4bc9160cb36b92ce860c4cccad1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a4acc0bb760a0dd58ed37f000cffbe423f160b000bc1a50721fbd6c018a8c4c
[INFO] running `Command { std: "docker" "start" "-a" "6a4acc0bb760a0dd58ed37f000cffbe423f160b000bc1a50721fbd6c018a8c4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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 generic argument but 2 generic 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 generic argument
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 expected 1 generic argument
[INFO] [stdout]    |
[INFO] [stdout] note: type alias defined here, with 1 generic 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` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "6a4acc0bb760a0dd58ed37f000cffbe423f160b000bc1a50721fbd6c018a8c4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a4acc0bb760a0dd58ed37f000cffbe423f160b000bc1a50721fbd6c018a8c4c", kill_on_drop: false }`
[INFO] [stdout] 6a4acc0bb760a0dd58ed37f000cffbe423f160b000bc1a50721fbd6c018a8c4c