[INFO] cloning repository https://github.com/lepsalex/codeforces-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lepsalex/codeforces-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flepsalex%2Fcodeforces-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flepsalex%2Fcodeforces-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8000770aa976ab300556a64196a17cd7fe29e065
[INFO] checking lepsalex/codeforces-rust against master#8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b for pr-133925
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flepsalex%2Fcodeforces-rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lepsalex/codeforces-rust on toolchain 8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lepsalex/codeforces-rust
[INFO] finished tweaking git repo https://github.com/lepsalex/codeforces-rust
[INFO] tweaked toml for git repo https://github.com/lepsalex/codeforces-rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/lepsalex/codeforces-rust 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" "+8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7cf0189b1275ab0bcf38a2ab6419938185301f2f4519341d51b7c31fd790dea0
[INFO] running `Command { std: "docker" "start" "-a" "7cf0189b1275ab0bcf38a2ab6419938185301f2f4519341d51b7c31fd790dea0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cf0189b1275ab0bcf38a2ab6419938185301f2f4519341d51b7c31fd790dea0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cf0189b1275ab0bcf38a2ab6419938185301f2f4519341d51b7c31fd790dea0", kill_on_drop: false }`
[INFO] [stdout] 7cf0189b1275ab0bcf38a2ab6419938185301f2f4519341d51b7c31fd790dea0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 790a4a251f38ad3212bc6af9547bbaabcff5e39b256d02288b8d7d14b75b66cd
[INFO] running `Command { std: "docker" "start" "-a" "790a4a251f38ad3212bc6af9547bbaabcff5e39b256d02288b8d7d14b75b66cd", kill_on_drop: false }`
[INFO] [stderr]     Checking codeforces-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/bin/TEMPLATE.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut input = Scanner::new();
[INFO] [stdout]   |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/bin/TEMPLATE.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut input = Scanner::new();
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/bin/1909A_distinct_buttons.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | /     /**
[INFO] [stdout] 17 | |     Using only 3-buttons on the controller we can reach any point
[INFO] [stdout] 18 | |     as long as all points are within the same 180-degree arc
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | |     */
[INFO] [stdout]    | |______^
[INFO] [stdout] 22 | /     return if coords.iter().all(|(x, y)| *x >= 0) ||
[INFO] [stdout] 23 | |         coords.iter().all(|(x, y)| *x <= 0) ||
[INFO] [stdout] 24 | |         coords.iter().all(|(x, y)| *y >= 0) ||
[INFO] [stdout] 25 | |         coords.iter().all(|(x, y)| *y <= 0) {
[INFO] [stdout] ...  |
[INFO] [stdout] 28 | |         "NO".to_string()
[INFO] [stdout] 29 | |     };
[INFO] [stdout]    | |_____- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `/* */` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/bin/1909A_distinct_buttons.rs:22:38
[INFO] [stdout]    |
[INFO] [stdout] 22 |     return if coords.iter().all(|(x, y)| *x >= 0) ||
[INFO] [stdout]    |                                      ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/bin/1909A_distinct_buttons.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 |         coords.iter().all(|(x, y)| *x <= 0) ||
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/bin/1909A_distinct_buttons.rs:24:29
[INFO] [stdout]    |
[INFO] [stdout] 24 |         coords.iter().all(|(x, y)| *y >= 0) ||
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/bin/1909A_distinct_buttons.rs:25:29
[INFO] [stdout]    |
[INFO] [stdout] 25 |         coords.iter().all(|(x, y)| *y <= 0) {
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Sub`
[INFO] [stdout]  --> src/bin/1920B_summation_game.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Sub;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx_a`
[INFO] [stdout]   --> src/bin/1914D_three_activities.rs:20:23
[INFO] [stdout]    |
[INFO] [stdout] 20 |         top.sort_by(|(idx_a, num_a), (idx_b, num_b)| num_b.cmp(num_a));
[INFO] [stdout]    |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_idx_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx_b`
[INFO] [stdout]   --> src/bin/1914D_three_activities.rs:20:39
[INFO] [stdout]    |
[INFO] [stdout] 20 |         top.sort_by(|(idx_a, num_a), (idx_b, num_b)| num_b.cmp(num_a));
[INFO] [stdout]    |                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_idx_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/bin/1909A_distinct_buttons.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | /     /**
[INFO] [stdout] 17 | |     Using only 3-buttons on the controller we can reach any point
[INFO] [stdout] 18 | |     as long as all points are within the same 180-degree arc
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | |     */
[INFO] [stdout]    | |______^
[INFO] [stdout] 22 | /     return if coords.iter().all(|(x, y)| *x >= 0) ||
[INFO] [stdout] 23 | |         coords.iter().all(|(x, y)| *x <= 0) ||
[INFO] [stdout] 24 | |         coords.iter().all(|(x, y)| *y >= 0) ||
[INFO] [stdout] 25 | |         coords.iter().all(|(x, y)| *y <= 0) {
[INFO] [stdout] ...  |
[INFO] [stdout] 28 | |         "NO".to_string()
[INFO] [stdout] 29 | |     };
[INFO] [stdout]    | |_____- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `/* */` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/bin/1909A_distinct_buttons.rs:22:38
[INFO] [stdout]    |
[INFO] [stdout] 22 |     return if coords.iter().all(|(x, y)| *x >= 0) ||
[INFO] [stdout]    |                                      ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/bin/1909A_distinct_buttons.rs:23:32
[INFO] [stdout]    |
[INFO] [stdout] 23 |         coords.iter().all(|(x, y)| *x <= 0) ||
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/bin/1909A_distinct_buttons.rs:24:29
[INFO] [stdout]    |
[INFO] [stdout] 24 |         coords.iter().all(|(x, y)| *y >= 0) ||
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/bin/1909A_distinct_buttons.rs:25:29
[INFO] [stdout]    |
[INFO] [stdout] 25 |         coords.iter().all(|(x, y)| *y <= 0) {
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Sub`
[INFO] [stdout]  --> src/bin/1920B_summation_game.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Sub;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/bin/TEMPLATE.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut input = Scanner::new();
[INFO] [stdout]   |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/bin/TEMPLATE.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut input = Scanner::new();
[INFO] [stdout]   |         ----^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx_a`
[INFO] [stdout]   --> src/bin/1914D_three_activities.rs:20:23
[INFO] [stdout]    |
[INFO] [stdout] 20 |         top.sort_by(|(idx_a, num_a), (idx_b, num_b)| num_b.cmp(num_a));
[INFO] [stdout]    |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_idx_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx_b`
[INFO] [stdout]   --> src/bin/1914D_three_activities.rs:20:39
[INFO] [stdout]    |
[INFO] [stdout] 20 |         top.sort_by(|(idx_a, num_a), (idx_b, num_b)| num_b.cmp(num_a));
[INFO] [stdout]    |                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_idx_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "790a4a251f38ad3212bc6af9547bbaabcff5e39b256d02288b8d7d14b75b66cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "790a4a251f38ad3212bc6af9547bbaabcff5e39b256d02288b8d7d14b75b66cd", kill_on_drop: false }`
[INFO] [stdout] 790a4a251f38ad3212bc6af9547bbaabcff5e39b256d02288b8d7d14b75b66cd