[INFO] cloning repository https://github.com/minty99/boj-rust-snippet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/minty99/boj-rust-snippet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminty99%2Fboj-rust-snippet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminty99%2Fboj-rust-snippet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 482a5780196dcbeadc309b037811e86938ab858c
[INFO] testing minty99/boj-rust-snippet against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminty99%2Fboj-rust-snippet" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/minty99/boj-rust-snippet
[INFO] finished tweaking git repo https://github.com/minty99/boj-rust-snippet
[INFO] tweaked toml for git repo https://github.com/minty99/boj-rust-snippet written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/minty99/boj-rust-snippet on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/minty99/boj-rust-snippet 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6cc04b71902b9aeb43cd63f9a671ab5e75dafad68426268c69b221a7ce958b8a
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[INFO] running `Command { std: "docker" "inspect" "6cc04b71902b9aeb43cd63f9a671ab5e75dafad68426268c69b221a7ce958b8a", 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" "6cc04b71902b9aeb43cd63f9a671ab5e75dafad68426268c69b221a7ce958b8a" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cc04b71902b9aeb43cd63f9a671ab5e75dafad68426268c69b221a7ce958b8a", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6cc04b71902b9aeb43cd63f9a671ab5e75dafad68426268c69b221a7ce958b8a" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
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[INFO] [stderr]    Compiling string_cache_codegen v0.5.2
[INFO] [stderr]    Compiling phf_codegen v0.10.0
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[INFO] [stderr]    Compiling selectors v0.25.0
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[INFO] [stderr]    Compiling phf v0.11.2
[INFO] [stderr]    Compiling cssparser v0.31.2
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling hyper v1.4.1
[INFO] [stderr]    Compiling scraper v0.20.0
[INFO] [stderr]    Compiling hyper-util v0.1.8
[INFO] [stderr]    Compiling hyper-tls v0.6.0
[INFO] [stderr]    Compiling reqwest v0.12.7
[INFO] [stderr]    Compiling ps_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn solve(mut input: impl BufRead, mut output: impl Write) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |              ----^^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:14:39
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn solve(mut input: impl BufRead, mut output: impl Write) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                       ----^^^^^^
[INFO] [stdout]    |                                       |
[INFO] [stdout]    |                                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/lib.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn solve(mut input: impl BufRead, mut output: impl Write) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/lib.rs:14:39
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn solve(mut input: impl BufRead, mut output: impl Write) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 50.50s
[INFO] running `Command { std: "docker" "inspect" "6cc04b71902b9aeb43cd63f9a671ab5e75dafad68426268c69b221a7ce958b8a", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6cc04b71902b9aeb43cd63f9a671ab5e75dafad68426268c69b221a7ce958b8a" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn solve(mut input: impl BufRead, mut output: impl Write) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |              ----^^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ps_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:14:39
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn solve(mut input: impl BufRead, mut output: impl Write) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                       ----^^^^^^
[INFO] [stdout]    |                                       |
[INFO] [stdout]    |                                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/lib.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn solve(mut input: impl BufRead, mut output: impl Write) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/lib.rs:14:39
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn solve(mut input: impl BufRead, mut output: impl Write) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn solve(mut input: impl BufRead, mut output: impl Write) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |              ----^^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:14:39
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn solve(mut input: impl BufRead, mut output: impl Write) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                       ----^^^^^^
[INFO] [stdout]    |                                       |
[INFO] [stdout]    |                                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/lib.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn solve(mut input: impl BufRead, mut output: impl Write) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/lib.rs:14:39
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn solve(mut input: impl BufRead, mut output: impl Write) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |                                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "6cc04b71902b9aeb43cd63f9a671ab5e75dafad68426268c69b221a7ce958b8a", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6cc04b71902b9aeb43cd63f9a671ab5e75dafad68426268c69b221a7ce958b8a" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:14:14
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn solve(mut input: impl BufRead, mut output: impl Write) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]    |              ----^^^^^
[INFO] [stderr]    |              |
[INFO] [stderr]    |              help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:14:39
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn solve(mut input: impl BufRead, mut output: impl Write) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]    |                                       ----^^^^^^
[INFO] [stderr]    |                                       |
[INFO] [stderr]    |                                       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/lib.rs:14:14
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn solve(mut input: impl BufRead, mut output: impl Write) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]    |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]   --> src/lib.rs:14:39
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn solve(mut input: impl BufRead, mut output: impl Write) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]    |                                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stderr] 
[INFO] [stderr] warning: `ps_rust` (lib) generated 4 warnings (run `cargo fix --lib -p ps_rust` to apply 4 suggestions)
[INFO] [stderr] warning: `ps_rust` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/ps_rust-4caf5a2f805070f1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/tester.rs (/opt/rustwide/target/release/deps/tester-ba09801b319bd8ca)
[INFO] [stderr]    Doc-tests ps_rust
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6cc04b71902b9aeb43cd63f9a671ab5e75dafad68426268c69b221a7ce958b8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cc04b71902b9aeb43cd63f9a671ab5e75dafad68426268c69b221a7ce958b8a", kill_on_drop: false }`
[INFO] [stdout] 6cc04b71902b9aeb43cd63f9a671ab5e75dafad68426268c69b221a7ce958b8a
