[INFO] cloning repository https://github.com/Ubugeeei/algorithms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ubugeeei/algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUbugeeei%2Falgorithms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUbugeeei%2Falgorithms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 66b62010a0fac00f0f21157e19604a858e62fba4
[INFO] checking Ubugeeei/algorithms against try#f27166d4c64dc29edc5ea3214357f191edf8b635 for pr-148329
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUbugeeei%2Falgorithms" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Ubugeeei/algorithms
[INFO] finished tweaking git repo https://github.com/Ubugeeei/algorithms
[INFO] tweaked toml for git repo https://github.com/Ubugeeei/algorithms written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Ubugeeei/algorithms on toolchain f27166d4c64dc29edc5ea3214357f191edf8b635
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f27166d4c64dc29edc5ea3214357f191edf8b635" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Ubugeeei/algorithms 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" "+f27166d4c64dc29edc5ea3214357f191edf8b635" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f27166d4c64dc29edc5ea3214357f191edf8b635" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47c7efeb710f2c4f3967bdcf875e712cf9edd2c3b5c2e647b9cb348807562443
[INFO] running `Command { std: "docker" "start" "-a" "47c7efeb710f2c4f3967bdcf875e712cf9edd2c3b5c2e647b9cb348807562443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47c7efeb710f2c4f3967bdcf875e712cf9edd2c3b5c2e647b9cb348807562443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47c7efeb710f2c4f3967bdcf875e712cf9edd2c3b5c2e647b9cb348807562443", kill_on_drop: false }`
[INFO] [stdout] 47c7efeb710f2c4f3967bdcf875e712cf9edd2c3b5c2e647b9cb348807562443
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f27166d4c64dc29edc5ea3214357f191edf8b635" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bbfce4ee2140984a7d53f18d5b7430ffcba01b1fdfb62919db4e1ff2f5bcf0a
[INFO] running `Command { std: "docker" "start" "-a" "9bbfce4ee2140984a7d53f18d5b7430ffcba01b1fdfb62919db4e1ff2f5bcf0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]     Checking ppv-lite86 v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking algorithm-basics v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/dp/dynamic_planing.rs:68:36
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 let v1 = abs(steps[(i - 1 as usize)] - steps[i as usize]);
[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] 68 -                 let v1 = abs(steps[(i - 1 as usize)] - steps[i as usize]);
[INFO] [stdout] 68 +                 let v1 = abs(steps[i - 1 as usize ] - steps[i as usize]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/dp/dynamic_planing.rs:72:59
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 let v1 = dp[(i - 1) as usize] + abs(steps[(i - 1 as usize)] - steps[i as usize]);
[INFO] [stdout]    |                                                           ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 72 -                 let v1 = dp[(i - 1) as usize] + abs(steps[(i - 1 as usize)] - steps[i as usize]);
[INFO] [stdout] 72 +                 let v1 = dp[(i - 1) as usize] + abs(steps[i - 1 as usize ] - steps[i as usize]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/dp/dynamic_planing.rs:73:59
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 let v2 = dp[(i - 2) as usize] + abs(steps[(i - 2 as usize)] - steps[i as usize]);
[INFO] [stdout]    |                                                           ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 73 -                 let v2 = dp[(i - 2) as usize] + abs(steps[(i - 2 as usize)] - steps[i as usize]);
[INFO] [stdout] 73 +                 let v2 = dp[(i - 2) as usize] + abs(steps[i - 2 as usize ] - steps[i as usize]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/dp/dynamic_planing.rs:68:36
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 let v1 = abs(steps[(i - 1 as usize)] - steps[i as usize]);
[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] 68 -                 let v1 = abs(steps[(i - 1 as usize)] - steps[i as usize]);
[INFO] [stdout] 68 +                 let v1 = abs(steps[i - 1 as usize ] - steps[i as usize]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/dp/dynamic_planing.rs:72:59
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 let v1 = dp[(i - 1) as usize] + abs(steps[(i - 1 as usize)] - steps[i as usize]);
[INFO] [stdout]    |                                                           ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 72 -                 let v1 = dp[(i - 1) as usize] + abs(steps[(i - 1 as usize)] - steps[i as usize]);
[INFO] [stdout] 72 +                 let v1 = dp[(i - 1) as usize] + abs(steps[i - 1 as usize ] - steps[i as usize]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/dp/dynamic_planing.rs:73:59
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 let v2 = dp[(i - 2) as usize] + abs(steps[(i - 2 as usize)] - steps[i as usize]);
[INFO] [stdout]    |                                                           ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 73 -                 let v2 = dp[(i - 2) as usize] + abs(steps[(i - 2 as usize)] - steps[i as usize]);
[INFO] [stdout] 73 +                 let v2 = dp[(i - 2) as usize] + abs(steps[i - 2 as usize ] - steps[i as usize]);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `Command { std: "docker" "inspect" "9bbfce4ee2140984a7d53f18d5b7430ffcba01b1fdfb62919db4e1ff2f5bcf0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bbfce4ee2140984a7d53f18d5b7430ffcba01b1fdfb62919db4e1ff2f5bcf0a", kill_on_drop: false }`
[INFO] [stdout] 9bbfce4ee2140984a7d53f18d5b7430ffcba01b1fdfb62919db4e1ff2f5bcf0a