[INFO] cloning repository https://github.com/heejongahn/daily-BOJ
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/heejongahn/daily-BOJ" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheejongahn%2Fdaily-BOJ", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheejongahn%2Fdaily-BOJ'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f1ec181a66b7745ef46992da012315cf2be06358
[INFO] checking heejongahn/daily-BOJ against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheejongahn%2Fdaily-BOJ" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/heejongahn/daily-BOJ on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/heejongahn/daily-BOJ
[INFO] finished tweaking git repo https://github.com/heejongahn/daily-BOJ
[INFO] tweaked toml for git repo https://github.com/heejongahn/daily-BOJ written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/heejongahn/daily-BOJ already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9e329a05b0e8e354bd471c8096a79b021056f7ccc7a88987163d488220a4649
[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" "f9e329a05b0e8e354bd471c8096a79b021056f7ccc7a88987163d488220a4649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9e329a05b0e8e354bd471c8096a79b021056f7ccc7a88987163d488220a4649", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9e329a05b0e8e354bd471c8096a79b021056f7ccc7a88987163d488220a4649", kill_on_drop: false }`
[INFO] [stdout] f9e329a05b0e8e354bd471c8096a79b021056f7ccc7a88987163d488220a4649
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 4ca01ab7b15ebac3813c40c42f10d02a59231bc607081f3fa4b0c8cc4c83f1f8
[INFO] running `Command { std: "docker" "start" "-a" "4ca01ab7b15ebac3813c40c42f10d02a59231bc607081f3fa4b0c8cc4c83f1f8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking daily-boj v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/bin/2750.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |         if (&v[i] < &v[len - 1]) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/bin/2750.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |     return buf.trim_right().parse().expect("Failed to expect i_32");
[INFO] [stdout]    |                ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f32`
[INFO] [stdout]  --> src/bin/1978.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::f32;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]  --> src/bin/1978.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |         if ((n % i) == 0) {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/bin/1978.rs:26:15
[INFO] [stdout]    |
[INFO] [stdout] 26 |         match (str::parse::<i32>(string)) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/bin/2750.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |         if (&v[i] < &v[len - 1]) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `numbers`
[INFO] [stdout]   --> src/bin/1978.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let numbers: Vec<i32> = Vec::new();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_numbers`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::f32`
[INFO] [stdout]  --> src/bin/1978.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::f32;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]  --> src/bin/1978.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |         if ((n % i) == 0) {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/bin/1978.rs:26:15
[INFO] [stdout]    |
[INFO] [stdout] 26 |         match (str::parse::<i32>(string)) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/bin/2750.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |     return buf.trim_right().parse().expect("Failed to expect i_32");
[INFO] [stdout]    |                ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]  --> src/bin/2750.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     handle.read_line(&mut buf);
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `numbers`
[INFO] [stdout]   --> src/bin/1978.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let numbers: Vec<i32> = Vec::new();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_numbers`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]  --> src/bin/2750.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     handle.read_line(&mut buf);
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "4ca01ab7b15ebac3813c40c42f10d02a59231bc607081f3fa4b0c8cc4c83f1f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ca01ab7b15ebac3813c40c42f10d02a59231bc607081f3fa4b0c8cc4c83f1f8", kill_on_drop: false }`
[INFO] [stdout] 4ca01ab7b15ebac3813c40c42f10d02a59231bc607081f3fa4b0c8cc4c83f1f8