[INFO] cloning repository https://github.com/alonot/TuringMachine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alonot/TuringMachine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falonot%2FTuringMachine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falonot%2FTuringMachine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 51dce3ee1fe4f3a80bf9e1fda772752704a4b4da
[INFO] checking alonot/TuringMachine against c397dae808f70caebab1fc4e11b3edf7e59f58c7 for pr-158759-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falonot%2FTuringMachine" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/alonot/TuringMachine
[INFO] finished tweaking git repo https://github.com/alonot/TuringMachine
[INFO] tweaked toml for git repo https://github.com/alonot/TuringMachine written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/alonot/TuringMachine on toolchain c397dae808f70caebab1fc4e11b3edf7e59f58c7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c397dae808f70caebab1fc4e11b3edf7e59f58c7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/alonot/TuringMachine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c397dae808f70caebab1fc4e11b3edf7e59f58c7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 86aa9b672d96bc0bfe77ec01289981ebb4b456fe6e594784c8f2610e757a3683
[INFO] running `Command { std: "docker" "start" "86aa9b672d96bc0bfe77ec01289981ebb4b456fe6e594784c8f2610e757a3683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86aa9b672d96bc0bfe77ec01289981ebb4b456fe6e594784c8f2610e757a3683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "86aa9b672d96bc0bfe77ec01289981ebb4b456fe6e594784c8f2610e757a3683" "/opt/rustwide/cargo-home/bin/cargo" "+c397dae808f70caebab1fc4e11b3edf7e59f58c7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86aa9b672d96bc0bfe77ec01289981ebb4b456fe6e594784c8f2610e757a3683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "86aa9b672d96bc0bfe77ec01289981ebb4b456fe6e594784c8f2610e757a3683" "/opt/rustwide/cargo-home/bin/cargo" "+c397dae808f70caebab1fc4e11b3edf7e59f58c7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking TM v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `states` is never read
[INFO] [stdout]   --> src/turing_machine.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct TM {
[INFO] [stdout]    |            -- field in this struct
[INFO] [stdout] 66 |     states: HashSet<Arc<str>>,  // Q: states of the turing machine
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TM` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `assert_deterministic` is never used
[INFO] [stdout]    --> src/turing_machine.rs:221:8
[INFO] [stdout]     |
[INFO] [stdout]  80 | impl TM {
[INFO] [stdout]     | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 221 |     fn assert_deterministic(&mut self) -> Result<(), String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `states` is never read
[INFO] [stdout]   --> src/turing_machine.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub struct TM {
[INFO] [stdout]    |            -- field in this struct
[INFO] [stdout] 66 |     states: HashSet<Arc<str>>,  // Q: states of the turing machine
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TM` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `assert_deterministic` is never used
[INFO] [stdout]    --> src/turing_machine.rs:221:8
[INFO] [stdout]     |
[INFO] [stdout]  80 | impl TM {
[INFO] [stdout]     | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 221 |     fn assert_deterministic(&mut self) -> Result<(), String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "86aa9b672d96bc0bfe77ec01289981ebb4b456fe6e594784c8f2610e757a3683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86aa9b672d96bc0bfe77ec01289981ebb4b456fe6e594784c8f2610e757a3683", kill_on_drop: false }`
[INFO] [stdout] 86aa9b672d96bc0bfe77ec01289981ebb4b456fe6e594784c8f2610e757a3683
