[INFO] cloning repository https://github.com/Gearhartlove/leest [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Gearhartlove/leest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGearhartlove%2Fleest", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGearhartlove%2Fleest'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1cd900fde7b5f32f52a0bab8140b9bb4f23f29ef [INFO] testing Gearhartlove/leest against try#d724b5ab2f4ac098ff483349a80b6a3799a5177b for pr-113843 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGearhartlove%2Fleest" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Gearhartlove/leest on toolchain d724b5ab2f4ac098ff483349a80b6a3799a5177b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Gearhartlove/leest [INFO] finished tweaking git repo https://github.com/Gearhartlove/leest [INFO] tweaked toml for git repo https://github.com/Gearhartlove/leest written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Gearhartlove/leest 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" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f0c427a713a956ee3187703c5e5dec587447c854641618bd610721c16683cbab [INFO] running `Command { std: "docker" "start" "-a" "f0c427a713a956ee3187703c5e5dec587447c854641618bd610721c16683cbab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f0c427a713a956ee3187703c5e5dec587447c854641618bd610721c16683cbab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0c427a713a956ee3187703c5e5dec587447c854641618bd610721c16683cbab", kill_on_drop: false }` [INFO] [stdout] f0c427a713a956ee3187703c5e5dec587447c854641618bd610721c16683cbab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 634090a7e83f1684653373f0a3f1d7efb89e21d203657b86329b265aafd20fe1 [INFO] running `Command { std: "docker" "start" "-a" "634090a7e83f1684653373f0a3f1d7efb89e21d203657b86329b265aafd20fe1", kill_on_drop: false }` [INFO] [stderr] Compiling leest v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::mem::replace` [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::mem::replace; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `worked_problems::baseball_game` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use worked_problems::baseball_game; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `new_score` is never read [INFO] [stdout] --> src/worked_problems/baseball_game.rs:42:26 [INFO] [stdout] | [INFO] [stdout] 42 | let mut new_score: i32 = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/worked_problems/baseball_game.rs:51:22 [INFO] [stdout] | [INFO] [stdout] 51 | let mut new_score = *record.last()? * 2; [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: `i` [INFO] [stdout] --> src/worked_problems/top_k_frequent_elements.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | for i in 0..k { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result_matrix` [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:34:17 [INFO] [stdout] | [INFO] [stdout] 34 | let mut result_matrix = grid.clone(); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result_matrix` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:34:13 [INFO] [stdout] | [INFO] [stdout] 34 | let mut result_matrix = grid.clone(); [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:39:17 [INFO] [stdout] | [INFO] [stdout] 39 | let mut row = return_grid.get_mut(new_row_pos).unwrap(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `cal_points` is never used [INFO] [stdout] --> src/worked_problems/baseball_game.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn cal_points(ops: Vec<&str>) -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Ops` is never used [INFO] [stdout] --> src/worked_problems/baseball_game.rs:30:6 [INFO] [stdout] | [INFO] [stdout] 30 | enum Ops { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `handle_ops` is never used [INFO] [stdout] --> src/worked_problems/baseball_game.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 37 | impl Ops { [INFO] [stdout] | -------- associated function in this implementation [INFO] [stdout] 38 | pub fn handle_ops(op: Ops, record: &mut Vec) -> Option { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `top_k_frequent` is never used [INFO] [stdout] --> src/worked_problems/top_k_frequent_elements.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn top_k_frequent(nums: Vec, k: i32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `shift_grid` is never used [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn shift_grid(grid: Vec>, shift: i32) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `ROWS` should have a snake case name [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let ROWS = return_grid.len(); [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `rows` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `COLS` should have a snake case name [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let COLS = return_grid[0].len(); [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `cols` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `SIZE` should have a snake case name [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let SIZE = ROWS * COLS; [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:40:13 [INFO] [stdout] | [INFO] [stdout] 40 | std::mem::replace(&mut row[adjusted_new_index], **k); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 40 | let _ = std::mem::replace(&mut row[adjusted_new_index], **k); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.18s [INFO] running `Command { std: "docker" "inspect" "634090a7e83f1684653373f0a3f1d7efb89e21d203657b86329b265aafd20fe1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "634090a7e83f1684653373f0a3f1d7efb89e21d203657b86329b265aafd20fe1", kill_on_drop: false }` [INFO] [stdout] 634090a7e83f1684653373f0a3f1d7efb89e21d203657b86329b265aafd20fe1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d57235be437016d413ce4c4e3c2d767bda00563be0cad442ec19a740c5957624 [INFO] running `Command { std: "docker" "start" "-a" "d57235be437016d413ce4c4e3c2d767bda00563be0cad442ec19a740c5957624", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling leest v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::mem::replace` [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::mem::replace; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `worked_problems::baseball_game` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use worked_problems::baseball_game; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `new_score` is never read [INFO] [stdout] --> src/worked_problems/baseball_game.rs:42:26 [INFO] [stdout] | [INFO] [stdout] 42 | let mut new_score: i32 = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/worked_problems/baseball_game.rs:51:22 [INFO] [stdout] | [INFO] [stdout] 51 | let mut new_score = *record.last()? * 2; [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: `i` [INFO] [stdout] --> src/worked_problems/top_k_frequent_elements.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | for i in 0..k { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result_matrix` [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:34:17 [INFO] [stdout] | [INFO] [stdout] 34 | let mut result_matrix = grid.clone(); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result_matrix` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:34:13 [INFO] [stdout] | [INFO] [stdout] 34 | let mut result_matrix = grid.clone(); [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:39:17 [INFO] [stdout] | [INFO] [stdout] 39 | let mut row = return_grid.get_mut(new_row_pos).unwrap(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `INTEGER` is never constructed [INFO] [stdout] --> src/worked_problems/baseball_game.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 30 | enum Ops { [INFO] [stdout] | --- variant in this enum [INFO] [stdout] 31 | INTEGER, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `ROWS` should have a snake case name [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | let ROWS = return_grid.len(); [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `rows` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `COLS` should have a snake case name [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let COLS = return_grid[0].len(); [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `cols` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `SIZE` should have a snake case name [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let SIZE = ROWS * COLS; [INFO] [stdout] | ^^^^ help: convert the identifier to snake case: `size` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:40:13 [INFO] [stdout] | [INFO] [stdout] 40 | std::mem::replace(&mut row[adjusted_new_index], **k); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 40 | let _ = std::mem::replace(&mut row[adjusted_new_index], **k); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.50s [INFO] running `Command { std: "docker" "inspect" "d57235be437016d413ce4c4e3c2d767bda00563be0cad442ec19a740c5957624", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d57235be437016d413ce4c4e3c2d767bda00563be0cad442ec19a740c5957624", kill_on_drop: false }` [INFO] [stdout] d57235be437016d413ce4c4e3c2d767bda00563be0cad442ec19a740c5957624 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 06ce47bd72648900c39ab25df242b0253352f3e0a869c0aacc8499483cac75ac [INFO] running `Command { std: "docker" "start" "-a" "06ce47bd72648900c39ab25df242b0253352f3e0a869c0aacc8499483cac75ac", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::mem::replace` [INFO] [stderr] --> src/worked_problems/shift_2d_grid.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::mem::replace; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `worked_problems::baseball_game` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use worked_problems::baseball_game; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: value assigned to `new_score` is never read [INFO] [stderr] --> src/worked_problems/baseball_game.rs:42:26 [INFO] [stderr] | [INFO] [stderr] 42 | let mut new_score: i32 = 0; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/worked_problems/baseball_game.rs:51:22 [INFO] [stderr] | [INFO] [stderr] 51 | let mut new_score = *record.last()? * 2; [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/worked_problems/top_k_frequent_elements.rs:19:9 [INFO] [stderr] | [INFO] [stderr] 19 | for i in 0..k { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `result_matrix` [INFO] [stderr] --> src/worked_problems/shift_2d_grid.rs:34:17 [INFO] [stderr] | [INFO] [stderr] 34 | let mut result_matrix = grid.clone(); [INFO] [stderr] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result_matrix` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/worked_problems/shift_2d_grid.rs:34:13 [INFO] [stderr] | [INFO] [stderr] 34 | let mut result_matrix = grid.clone(); [INFO] [stderr] | ----^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/worked_problems/shift_2d_grid.rs:39:17 [INFO] [stderr] | [INFO] [stderr] 39 | let mut row = return_grid.get_mut(new_row_pos).unwrap(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variant `INTEGER` is never constructed [INFO] [stderr] --> src/worked_problems/baseball_game.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 30 | enum Ops { [INFO] [stderr] | --- variant in this enum [INFO] [stderr] 31 | INTEGER, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `ROWS` should have a snake case name [INFO] [stderr] --> src/worked_problems/shift_2d_grid.rs:9:9 [INFO] [stderr] | [INFO] [stderr] 9 | let ROWS = return_grid.len(); [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `rows` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `COLS` should have a snake case name [INFO] [stderr] --> src/worked_problems/shift_2d_grid.rs:10:9 [INFO] [stderr] | [INFO] [stderr] 10 | let COLS = return_grid[0].len(); [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `cols` [INFO] [stderr] [INFO] [stderr] warning: variable `SIZE` should have a snake case name [INFO] [stderr] --> src/worked_problems/shift_2d_grid.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | let SIZE = ROWS * COLS; [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `size` [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/worked_problems/shift_2d_grid.rs:40:13 [INFO] [stderr] | [INFO] [stderr] 40 | std::mem::replace(&mut row[adjusted_new_index], **k); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 40 | let _ = std::mem::replace(&mut row[adjusted_new_index], **k); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `leest` (bin "leest" test) generated 13 warnings (run `cargo fix --bin "leest" --tests` to apply 7 suggestions) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/leest-ec71ac863188b445) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test worked_problems::baseball_game::tests::baseball_works ... ok [INFO] [stdout] test worked_problems::shift_2d_grid::tests::shift_mxn_works ... ok [INFO] [stdout] test worked_problems::shift_2d_grid::tests::shift_k_works ... ok [INFO] [stdout] test worked_problems::shift_2d_grid::tests::shift_nxn_works ... ok [INFO] [stdout] test worked_problems::top_k_frequent_elements::tests::working ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- worked_problems::top_k_frequent_elements::tests::working stdout ---- [INFO] [stdout] [1, 2] [INFO] [stdout] [2, 4, 3] [INFO] [stdout] thread 'worked_problems::top_k_frequent_elements::tests::working' panicked at 'assertion failed: `(left == right)` [INFO] [stdout] left: `[2, 3, 4]`, [INFO] [stdout] right: `[2, 4, 3]`', src/worked_problems/top_k_frequent_elements.rs:44:9 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x559cf1a9e601 - std::backtrace_rs::backtrace::libunwind::trace::h739ec181bd3bd192 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x559cf1a9e601 - std::backtrace_rs::backtrace::trace_unsynchronized::h5c66fffa8ed12204 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x559cf1a9e601 - std::sys_common::backtrace::_print_fmt::h7516c808a13dd2a8 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/sys_common/backtrace.rs:65:5 [INFO] [stdout] 3: 0x559cf1a9e601 - ::fmt::h36cf058bf00f1d43 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stdout] 4: 0x559cf1ac8c1c - core::fmt::rt::Argument::fmt::he3895a29fa8140d3 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/core/src/fmt/rt.rs:138:9 [INFO] [stdout] 5: 0x559cf1ac8c1c - core::fmt::write::hb5d897b3776b75c9 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/core/src/fmt/mod.rs:1094:21 [INFO] [stdout] 6: 0x559cf1a9b6fe - std::io::Write::write_fmt::h446ec65e81f1b759 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/io/mod.rs:1714:15 [INFO] [stdout] 7: 0x559cf1a9e415 - std::sys_common::backtrace::_print::he50b112759a05479 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stdout] 8: 0x559cf1a9e415 - std::sys_common::backtrace::print::hd87678fbb1c1b8e9 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stdout] 9: 0x559cf1aa0133 - std::panicking::default_hook::{{closure}}::h520841a09e5b8e9c [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/panicking.rs:269:22 [INFO] [stdout] 10: 0x559cf1a9fdd0 - std::panicking::default_hook::hb83255e266aa1d71 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/panicking.rs:285:9 [INFO] [stdout] 11: 0x559cf1a6f1d7 - as core::ops::function::Fn>::call::hc710099e0f8c423a [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/alloc/src/boxed.rs:2021:9 [INFO] [stdout] 12: 0x559cf1a6f1d7 - test::test_main::{{closure}}::h14976b654346d4ad [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/test/src/lib.rs:135:21 [INFO] [stdout] 13: 0x559cf1aa082e - as core::ops::function::Fn>::call::h4474bff724dc1968 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/alloc/src/boxed.rs:2021:9 [INFO] [stdout] 14: 0x559cf1aa082e - std::panicking::rust_panic_with_hook::hd923f0b3176be351 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/panicking.rs:709:13 [INFO] [stdout] 15: 0x559cf1aa05b7 - std::panicking::begin_panic_handler::{{closure}}::h7732b0d5090f868c [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/panicking.rs:597:13 [INFO] [stdout] 16: 0x559cf1a9ea66 - std::sys_common::backtrace::__rust_end_short_backtrace::hd3215e0a304cb1e6 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/sys_common/backtrace.rs:151:18 [INFO] [stdout] 17: 0x559cf1aa0302 - rust_begin_unwind [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/panicking.rs:593:5 [INFO] [stdout] 18: 0x559cf1a224a3 - core::panicking::panic_fmt::hf8c9b1b69e223ecf [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/core/src/panicking.rs:67:14 [INFO] [stdout] 19: 0x559cf1a2283b - core::panicking::assert_failed_inner::hab2312814d33adbe [INFO] [stdout] 20: 0x559cf1a2b1da - core::panicking::assert_failed::h41f08e450e1a4e7d [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/core/src/panicking.rs:229:5 [INFO] [stdout] 21: 0x559cf1a2d655 - leest::worked_problems::top_k_frequent_elements::tests::working::h36e33d353feec40f [INFO] [stdout] at /opt/rustwide/workdir/src/worked_problems/top_k_frequent_elements.rs:44:9 [INFO] [stdout] 22: 0x559cf1a2d227 - leest::worked_problems::top_k_frequent_elements::tests::working::{{closure}}::ha1f43a7e2d7fa80a [INFO] [stdout] at /opt/rustwide/workdir/src/worked_problems/top_k_frequent_elements.rs:42:18 [INFO] [stdout] 23: 0x559cf1a29e85 - core::ops::function::FnOnce::call_once::h1e682a94fa7c0c16 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x559cf1a7447f - core::ops::function::FnOnce::call_once::h11078fa479b643f5 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x559cf1a7447f - test::__rust_begin_short_backtrace::h80e6cfa42885071e [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/test/src/lib.rs:626:18 [INFO] [stdout] 26: 0x559cf1a734b2 - test::run_test_in_process::{{closure}}::h3d48aa71673f92f6 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/test/src/lib.rs:649:60 [INFO] [stdout] 27: 0x559cf1a734b2 - as core::ops::function::FnOnce<()>>::call_once::h96dc42228b07dbcf [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 28: 0x559cf1a734b2 - std::panicking::try::do_call::h352ee96fe6c276d4 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/panicking.rs:500:40 [INFO] [stdout] 29: 0x559cf1a734b2 - std::panicking::try::he6e8750eedee8297 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/panicking.rs:464:19 [INFO] [stdout] 30: 0x559cf1a734b2 - std::panic::catch_unwind::h853de8d29df91e27 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/panic.rs:142:14 [INFO] [stdout] 31: 0x559cf1a734b2 - test::run_test_in_process::h35c85fd2179cc49d [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/test/src/lib.rs:649:27 [INFO] [stdout] 32: 0x559cf1a734b2 - test::run_test::{{closure}}::hb10098e5ac3cdcb3 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/test/src/lib.rs:572:43 [INFO] [stdout] 33: 0x559cf1a3a314 - test::run_test::{{closure}}::h1818cbbc8e1b4a2e [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/test/src/lib.rs:600:41 [INFO] [stdout] 34: 0x559cf1a3a314 - std::sys_common::backtrace::__rust_begin_short_backtrace::h8d9d4bb268daa0a0 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/sys_common/backtrace.rs:135:18 [INFO] [stdout] 35: 0x559cf1a3ff6b - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h0fefc0ce4f670cd9 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/thread/mod.rs:529:17 [INFO] [stdout] 36: 0x559cf1a3ff6b - as core::ops::function::FnOnce<()>>::call_once::hdf335d4d76d78886 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 37: 0x559cf1a3ff6b - std::panicking::try::do_call::hb02f54071ad1bbcc [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/panicking.rs:500:40 [INFO] [stdout] 38: 0x559cf1a3ff6b - std::panicking::try::hceb1c9208fc751e4 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/panicking.rs:464:19 [INFO] [stdout] 39: 0x559cf1a3ff6b - std::panic::catch_unwind::h8a1ed55955a3d386 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/panic.rs:142:14 [INFO] [stdout] 40: 0x559cf1a3ff6b - std::thread::Builder::spawn_unchecked_::{{closure}}::hf12960b97ece0619 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/thread/mod.rs:528:30 [INFO] [stdout] 41: 0x559cf1a3ff6b - core::ops::function::FnOnce::call_once{{vtable.shim}}::h3431c5eb5d5329fb [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 42: 0x559cf1aa4e35 - as core::ops::function::FnOnce>::call_once::h0d11e726055d6ea9 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/alloc/src/boxed.rs:2007:9 [INFO] [stdout] 43: 0x559cf1aa4e35 - as core::ops::function::FnOnce>::call_once::h2ab7960dd59e2260 [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/alloc/src/boxed.rs:2007:9 [INFO] [stdout] 44: 0x559cf1aa4e35 - std::sys::unix::thread::Thread::new::thread_start::hcc70088a8406743d [INFO] [stdout] at /rustc/d724b5ab2f4ac098ff483349a80b6a3799a5177b/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 45: 0x7f4cd6abfb43 - [INFO] [stdout] 46: 0x7f4cd6b50bb4 - __clone [INFO] [stdout] 47: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] worked_problems::top_k_frequent_elements::tests::working [INFO] [stdout] [INFO] [stdout] test result: FAILED. 4 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin leest` [INFO] running `Command { std: "docker" "inspect" "06ce47bd72648900c39ab25df242b0253352f3e0a869c0aacc8499483cac75ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06ce47bd72648900c39ab25df242b0253352f3e0a869c0aacc8499483cac75ac", kill_on_drop: false }` [INFO] [stdout] 06ce47bd72648900c39ab25df242b0253352f3e0a869c0aacc8499483cac75ac