[INFO] cloning repository https://github.com/DanielRamosAcosta/cya-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DanielRamosAcosta/cya-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanielRamosAcosta%2Fcya-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanielRamosAcosta%2Fcya-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e363e82d013e8433a526d2a18a2c45d67bc6a6e6
[INFO] checking DanielRamosAcosta/cya-rust against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanielRamosAcosta%2Fcya-rust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DanielRamosAcosta/cya-rust on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DanielRamosAcosta/cya-rust
[INFO] finished tweaking git repo https://github.com/DanielRamosAcosta/cya-rust
[INFO] tweaked toml for git repo https://github.com/DanielRamosAcosta/cya-rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1658f59c9d21f39ad58cad26fd662253984813641e2837e4fd546f1f08a26191
[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" "1658f59c9d21f39ad58cad26fd662253984813641e2837e4fd546f1f08a26191", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1658f59c9d21f39ad58cad26fd662253984813641e2837e4fd546f1f08a26191", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1658f59c9d21f39ad58cad26fd662253984813641e2837e4fd546f1f08a26191", kill_on_drop: false }`
[INFO] [stdout] 1658f59c9d21f39ad58cad26fd662253984813641e2837e4fd546f1f08a26191
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 001a78662605e2fcfbd15bac39bacf83e7ea8eded51fdc5dc3d867e933a81cf9
[INFO] running `Command { std: "docker" "start" "-a" "001a78662605e2fcfbd15bac39bacf83e7ea8eded51fdc5dc3d867e933a81cf9", kill_on_drop: false }`
[INFO] [stderr]     Checking exercise-10 v0.1.0 (/opt/rustwide/workdir/exercise-10)
[INFO] [stderr]     Checking exercise-4 v0.1.0 (/opt/rustwide/workdir/exercise-04)
[INFO] [stdout] warning: unused import: `crate::transition::Transition`
[INFO] [stdout]  --> exercise-04/src/dfa.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::transition::Transition;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::transition::Transition`
[INFO] [stdout]  --> exercise-04/src/state.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::transition::Transition;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::transition_log::TransitionLog`
[INFO] [stdout]  --> exercise-04/src/status.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::transition_log::TransitionLog;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::transitions::Transitions`
[INFO] [stdout]  --> exercise-10/src/states.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::transitions::Transitions;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::transitions::Transitions`
[INFO] [stdout]  --> exercise-10/src/tape.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::transitions::Transitions;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::movement::Movement`
[INFO] [stdout]  --> exercise-10/src/turing_machine.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::movement::Movement;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::state::State`
[INFO] [stdout]  --> exercise-10/src/turing_machine.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::state::State;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::transitions::Transitions`
[INFO] [stdout]  --> exercise-10/src/states.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::transitions::Transitions;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::transitions::Transitions`
[INFO] [stdout]  --> exercise-10/src/tape.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::transitions::Transitions;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::movement::Movement`
[INFO] [stdout]  --> exercise-10/src/turing_machine.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::movement::Movement;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::state::State`
[INFO] [stdout]  --> exercise-10/src/turing_machine.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::state::State;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> exercise-10/src/tape.rs:62:23
[INFO] [stdout]    |
[INFO] [stdout] 62 |             .map(|(i, x)| i)
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> exercise-10/src/tape.rs:62:23
[INFO] [stdout]    |
[INFO] [stdout] 62 |             .map(|(i, x)| i)
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> exercise-10/src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     io::stdin().read_line(&mut input);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> exercise-10/src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     io::stdin().read_line(&mut input);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "001a78662605e2fcfbd15bac39bacf83e7ea8eded51fdc5dc3d867e933a81cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "001a78662605e2fcfbd15bac39bacf83e7ea8eded51fdc5dc3d867e933a81cf9", kill_on_drop: false }`
[INFO] [stdout] 001a78662605e2fcfbd15bac39bacf83e7ea8eded51fdc5dc3d867e933a81cf9