[INFO] cloning repository https://github.com/storyfeet/dice_lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/storyfeet/dice_lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstoryfeet%2Fdice_lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstoryfeet%2Fdice_lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b146726d8bff2d699bb75fe645d7e2d53bcad3d
[INFO] testing storyfeet/dice_lang against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstoryfeet%2Fdice_lang" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/storyfeet/dice_lang 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/storyfeet/dice_lang
[INFO] finished tweaking git repo https://github.com/storyfeet/dice_lang
[INFO] tweaked toml for git repo https://github.com/storyfeet/dice_lang written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/storyfeet/dice_lang 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]  Downloading crates ...
[INFO] [stderr]   Downloaded anyhow v1.0.56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] d5239b0df95a8a5441da71f783fc6aa4fe49a73cd056fea450222916b8564273
[INFO] running `Command { std: "docker" "start" "-a" "d5239b0df95a8a5441da71f783fc6aa4fe49a73cd056fea450222916b8564273", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5239b0df95a8a5441da71f783fc6aa4fe49a73cd056fea450222916b8564273", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5239b0df95a8a5441da71f783fc6aa4fe49a73cd056fea450222916b8564273", kill_on_drop: false }`
[INFO] [stdout] d5239b0df95a8a5441da71f783fc6aa4fe49a73cd056fea450222916b8564273
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 245ab861e0107e24dcf498b51a1ba40f79f46f3998214e6e4fb7029f1ad8987e
[INFO] running `Command { std: "docker" "start" "-a" "245ab861e0107e24dcf498b51a1ba40f79f46f3998214e6e4fb7029f1ad8987e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling err_tools v0.1.1
[INFO] [stderr]    Compiling dice_lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.56s
[INFO] running `Command { std: "docker" "inspect" "245ab861e0107e24dcf498b51a1ba40f79f46f3998214e6e4fb7029f1ad8987e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "245ab861e0107e24dcf498b51a1ba40f79f46f3998214e6e4fb7029f1ad8987e", kill_on_drop: false }`
[INFO] [stdout] 245ab861e0107e24dcf498b51a1ba40f79f46f3998214e6e4fb7029f1ad8987e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 168102e343bbee92f6b4e4d27f632bf5d4228ce6642a8d2eeb89bcb5027d14dc
[INFO] running `Command { std: "docker" "start" "-a" "168102e343bbee92f6b4e4d27f632bf5d4228ce6642a8d2eeb89bcb5027d14dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling dice_lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `is_none` found for enum `Result` in the current scope
[INFO] [stdout]    --> src/tokenizer.rs:285:27
[INFO] [stdout]     |
[INFO] [stdout] 285 |         assert!(tk.next().is_none());
[INFO] [stdout]     |                           ^^^^^^^ method not found in `Result<Option<Token<'_>>, anyhow::Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dice_lang` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "168102e343bbee92f6b4e4d27f632bf5d4228ce6642a8d2eeb89bcb5027d14dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "168102e343bbee92f6b4e4d27f632bf5d4228ce6642a8d2eeb89bcb5027d14dc", kill_on_drop: false }`
[INFO] [stdout] 168102e343bbee92f6b4e4d27f632bf5d4228ce6642a8d2eeb89bcb5027d14dc