[INFO] cloning repository https://github.com/bastyha/Assignment_2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bastyha/Assignment_2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbastyha%2FAssignment_2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbastyha%2FAssignment_2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e1fae2809d874bb7a4228a720bbafa1cbcf19b6
[INFO] checking bastyha/Assignment_2 against try#d336647335db03a0fc5b24fc5325cd3905c5b8e8 for pr-151146
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbastyha%2FAssignment_2" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bastyha/Assignment_2
[INFO] finished tweaking git repo https://github.com/bastyha/Assignment_2
[INFO] tweaked toml for git repo https://github.com/bastyha/Assignment_2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bastyha/Assignment_2 on toolchain d336647335db03a0fc5b24fc5325cd3905c5b8e8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bastyha/Assignment_2 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" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f422a56b61ae8c470b42228e896026c7d0764b681d851d1613d44c02cdef14c6
[INFO] running `Command { std: "docker" "start" "-a" "f422a56b61ae8c470b42228e896026c7d0764b681d851d1613d44c02cdef14c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f422a56b61ae8c470b42228e896026c7d0764b681d851d1613d44c02cdef14c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f422a56b61ae8c470b42228e896026c7d0764b681d851d1613d44c02cdef14c6", kill_on_drop: false }`
[INFO] [stdout] f422a56b61ae8c470b42228e896026c7d0764b681d851d1613d44c02cdef14c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+d336647335db03a0fc5b24fc5325cd3905c5b8e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a16e93e6c8d201b6f28f0524ca5de53d761f6d7b10d4c462e52456d23c4f688b
[INFO] running `Command { std: "docker" "start" "-a" "a16e93e6c8d201b6f28f0524ca5de53d761f6d7b10d4c462e52456d23c4f688b", kill_on_drop: false }`
[INFO] [stderr]     Checking assignment_2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]  --> src/main.rs:6:48
[INFO] [stdout]   |
[INFO] [stdout] 6 |             let mut local_number:u64 = numbers[(i-1)].parse().unwrap();
[INFO] [stdout]   |                                                ^   ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 6 -             let mut local_number:u64 = numbers[(i-1)].parse().unwrap();
[INFO] [stdout] 6 +             let mut local_number:u64 = numbers[i-1 ].parse().unwrap();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/main.rs:11:25
[INFO] [stdout]    |
[INFO] [stdout] 11 |                 numbers[(i-1)] = (local_number.to_string()[length-10..]).to_string();
[INFO] [stdout]    |                         ^   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 11 -                 numbers[(i-1)] = (local_number.to_string()[length-10..]).to_string();
[INFO] [stdout] 11 +                 numbers[i-1 ] = (local_number.to_string()[length-10..]).to_string();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/main.rs:14:25
[INFO] [stdout]    |
[INFO] [stdout] 14 |                 numbers[(i-1)] = local_number.to_string();
[INFO] [stdout]    |                         ^   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 14 -                 numbers[(i-1)] = local_number.to_string();
[INFO] [stdout] 14 +                 numbers[i-1 ] = local_number.to_string();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]  --> src/main.rs:6:48
[INFO] [stdout]   |
[INFO] [stdout] 6 |             let mut local_number:u64 = numbers[(i-1)].parse().unwrap();
[INFO] [stdout]   |                                                ^   ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 6 -             let mut local_number:u64 = numbers[(i-1)].parse().unwrap();
[INFO] [stdout] 6 +             let mut local_number:u64 = numbers[i-1 ].parse().unwrap();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/main.rs:11:25
[INFO] [stdout]    |
[INFO] [stdout] 11 |                 numbers[(i-1)] = (local_number.to_string()[length-10..]).to_string();
[INFO] [stdout]    |                         ^   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 11 -                 numbers[(i-1)] = (local_number.to_string()[length-10..]).to_string();
[INFO] [stdout] 11 +                 numbers[i-1 ] = (local_number.to_string()[length-10..]).to_string();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/main.rs:14:25
[INFO] [stdout]    |
[INFO] [stdout] 14 |                 numbers[(i-1)] = local_number.to_string();
[INFO] [stdout]    |                         ^   ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 14 -                 numbers[(i-1)] = local_number.to_string();
[INFO] [stdout] 14 +                 numbers[i-1 ] = local_number.to_string();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "a16e93e6c8d201b6f28f0524ca5de53d761f6d7b10d4c462e52456d23c4f688b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a16e93e6c8d201b6f28f0524ca5de53d761f6d7b10d4c462e52456d23c4f688b", kill_on_drop: false }`
[INFO] [stdout] a16e93e6c8d201b6f28f0524ca5de53d761f6d7b10d4c462e52456d23c4f688b
