[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#9ce6b522e9d830b1461df3e1b001b5831bd32346 for pr-101061-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGearhartlove%2Fleest" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Gearhartlove/leest on toolchain 9ce6b522e9d830b1461df3e1b001b5831bd32346 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9ce6b522e9d830b1461df3e1b001b5831bd32346" "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-0/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: "/workspace/cargo-home/bin/cargo" "+9ce6b522e9d830b1461df3e1b001b5831bd32346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+9ce6b522e9d830b1461df3e1b001b5831bd32346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 532dcc676d70ed7a317964d5dd6b377bf11c7457757ec67b863d12baf0640290 [INFO] running `Command { std: "docker" "start" "-a" "532dcc676d70ed7a317964d5dd6b377bf11c7457757ec67b863d12baf0640290", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "532dcc676d70ed7a317964d5dd6b377bf11c7457757ec67b863d12baf0640290", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "532dcc676d70ed7a317964d5dd6b377bf11c7457757ec67b863d12baf0640290", kill_on_drop: false }` [INFO] [stdout] 532dcc676d70ed7a317964d5dd6b377bf11c7457757ec67b863d12baf0640290 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+9ce6b522e9d830b1461df3e1b001b5831bd32346" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 35c5492d161cd41b90fe26a3fddb0042a77dccebb0b37dae2171f8a3c5bae0ed [INFO] running `Command { std: "docker" "start" "-a" "35c5492d161cd41b90fe26a3fddb0042a77dccebb0b37dae2171f8a3c5bae0ed", 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] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [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/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: 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] 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: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.37s [INFO] running `Command { std: "docker" "inspect" "35c5492d161cd41b90fe26a3fddb0042a77dccebb0b37dae2171f8a3c5bae0ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35c5492d161cd41b90fe26a3fddb0042a77dccebb0b37dae2171f8a3c5bae0ed", kill_on_drop: false }` [INFO] [stdout] 35c5492d161cd41b90fe26a3fddb0042a77dccebb0b37dae2171f8a3c5bae0ed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+9ce6b522e9d830b1461df3e1b001b5831bd32346" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a7a214abbf96bef72a1e1591bf75473266c87427a27148bc26e7a30988d8abae [INFO] running `Command { std: "docker" "start" "-a" "a7a214abbf96bef72a1e1591bf75473266c87427a27148bc26e7a30988d8abae", 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] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [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/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: 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: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.67s [INFO] running `Command { std: "docker" "inspect" "a7a214abbf96bef72a1e1591bf75473266c87427a27148bc26e7a30988d8abae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7a214abbf96bef72a1e1591bf75473266c87427a27148bc26e7a30988d8abae", kill_on_drop: false }` [INFO] [stdout] a7a214abbf96bef72a1e1591bf75473266c87427a27148bc26e7a30988d8abae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+9ce6b522e9d830b1461df3e1b001b5831bd32346" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1be0f42c71cc3c8a7ff20b4cccb886a990ed3ce3d4bb35fdd7aa21f8762aecb6 [INFO] running `Command { std: "docker" "start" "-a" "1be0f42c71cc3c8a7ff20b4cccb886a990ed3ce3d4bb35fdd7aa21f8762aecb6", 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] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [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/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: 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: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: `leest` (bin "leest" test) generated 13 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/leest-c8e85ada6a327720) [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_nxn_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::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: 0x55aa7c7ee360 - std::backtrace_rs::backtrace::libunwind::trace::hf53d662b5c6d77d2 [INFO] [stdout] at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 1: 0x55aa7c7ee360 - std::backtrace_rs::backtrace::trace_unsynchronized::h6e3cf02005f608bf [INFO] [stdout] at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55aa7c7ee360 - std::sys_common::backtrace::_print_fmt::h6d567679a2265c44 [INFO] [stdout] at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x55aa7c7ee360 - ::fmt::h1a668cb169fcef22 [INFO] [stdout] at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x55aa7c811b8e - core::fmt::write::hd1139dfe9eec9a34 [INFO] [stdout] at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/core/src/fmt/mod.rs:1202:17 [INFO] [stdout] 5: 0x55aa7c7eab65 - std::io::Write::write_fmt::h31ccab35c8c522b7 [INFO] [stdout] at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/io/mod.rs:1679:15 [INFO] [stdout] 6: 0x55aa7c7efe23 - std::sys_common::backtrace::_print::hd3a9cd6aaf1b9c8d [INFO] [stdout] at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x55aa7c7efe23 - std::sys_common::backtrace::print::hfa27ea3e00247e12 [INFO] [stdout] at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x55aa7c7efe23 - std::panicking::default_hook::{{closure}}::h76f2cc009fc0e4ed [INFO] [stdout] at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x55aa7c7efa93 - std::panicking::default_hook::h84e3f8d9ac8ff74e [INFO] [stdout] at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/panicking.rs:311:9 [INFO] [stdout] 10: 0x55aa7c7f04ca - std::panicking::rust_panic_with_hook::hb27f77e939cc5d74 [INFO] [stdout] at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x55aa7c7f03c7 - std::panicking::begin_panic_handler::{{closure}}::h2c35a3b6ab1a1b5d [INFO] [stdout] at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/panicking.rs:588:13 [INFO] [stdout] 12: 0x55aa7c7ee80c - std::sys_common::backtrace::__rust_end_short_backtrace::hdd7621cbda95655d [INFO] [stdout] at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x55aa7c7f00e2 - rust_begin_unwind [INFO] [stdout] at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x55aa7c77a053 - core::panicking::panic_fmt::h5158c91fc6eda82a [INFO] [stdout] at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/core/src/panicking.rs:142:14 [INFO] [stdout] 15: 0x55aa7c81040b - core::panicking::assert_failed_inner::h3dc35bb520ebedb9 [INFO] [stdout] 16: 0x55aa7c78cbaa - core::panicking::assert_failed::h97727061e11918d2 [INFO] [stdout] at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/core/src/panicking.rs:181:5 [INFO] [stdout] 17: 0x55aa7c786d03 - leest::worked_problems::top_k_frequent_elements::tests::working::he28fd8c19b05a974 [INFO] [stdout] at /opt/rustwide/workdir/src/worked_problems/top_k_frequent_elements.rs:44:9 [INFO] [stdout] 18: 0x55aa7c78698a - leest::worked_problems::top_k_frequent_elements::tests::working::{{closure}}::h1b1bfc6c86887ae1 [INFO] [stdout] at /opt/rustwide/workdir/src/worked_problems/top_k_frequent_elements.rs:42:5 [INFO] [stdout] 19: 0x55aa7c78dd2e - core::ops::function::FnOnce::call_once::h464fadd076670b69 [INFO] [stdout] at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 20: 0x55aa7c7c7d23 - core::ops::function::FnOnce::call_once::h9295094f3a2f274a [INFO] [stdout] at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 21: 0x55aa7c7c7d23 - test::__rust_begin_short_backtrace::hc4e9047c1ba46df2 [INFO] [stdout] at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/test/src/lib.rs:572:5 [INFO] [stdout] 22: 0x55aa7c7c6990 - as core::ops::function::FnOnce>::call_once::he040c8e590211550 [INFO] [stdout] at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/alloc/src/boxed.rs:1940:9 [INFO] [stdout] 23: 0x55aa7c7c6990 - as core::ops::function::FnOnce<()>>::call_once::h0d91ee9b948b825d [INFO] [stdout] at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x55aa7c7c6990 - std::panicking::try::do_call::h3d19aeafa70ed723 [INFO] [stdout] at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/panicking.rs:492:40 [INFO] [stdout] 25: 0x55aa7c7c6990 - std::panicking::try::h135dabdea83a1c58 [INFO] [stdout] at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/panicking.rs:456:19 [INFO] [stdout] 26: 0x55aa7c7c6990 - std::panic::catch_unwind::hf80a8ca158b8efa5 [INFO] [stdout] at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/panic.rs:137:14 [INFO] [stdout] 27: 0x55aa7c7c6990 - test::run_test_in_process::hee81e4132103b2a9 [INFO] [stdout] at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/test/src/lib.rs:595:18 [INFO] [stdout] 28: 0x55aa7c7c6990 - test::run_test::run_test_inner::{{closure}}::h727da8c02b489848 [INFO] [stdout] at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/test/src/lib.rs:489:39 [INFO] [stdout] 29: 0x55aa7c791ff4 - test::run_test::run_test_inner::{{closure}}::h549d08510b19e013 [INFO] [stdout] at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/test/src/lib.rs:516:37 [INFO] [stdout] 30: 0x55aa7c791ff4 - std::sys_common::backtrace::__rust_begin_short_backtrace::hacb00420d6394a74 [INFO] [stdout] at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stdout] 31: 0x55aa7c797957 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h374487babdc746a9 [INFO] [stdout] at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/thread/mod.rs:514:17 [INFO] [stdout] 32: 0x55aa7c797957 - as core::ops::function::FnOnce<()>>::call_once::hc77d0695676286d2 [INFO] [stdout] at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x55aa7c797957 - std::panicking::try::do_call::h9f79a627f611867c [INFO] [stdout] at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/panicking.rs:492:40 [INFO] [stdout] 34: 0x55aa7c797957 - std::panicking::try::ha05fa770fe5794fa [INFO] [stdout] at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/panicking.rs:456:19 [INFO] [stdout] 35: 0x55aa7c797957 - std::panic::catch_unwind::h534601d6cd2559a1 [INFO] [stdout] at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/panic.rs:137:14 [INFO] [stdout] 36: 0x55aa7c797957 - std::thread::Builder::spawn_unchecked_::{{closure}}::hc2ae2a956f19ab11 [INFO] [stdout] at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/thread/mod.rs:513:30 [INFO] [stdout] 37: 0x55aa7c797957 - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc056908992b2c711 [INFO] [stdout] at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/core/src/ops/function.rs:248:5 [INFO] [stdout] 38: 0x55aa7c7f4cd3 - as core::ops::function::FnOnce>::call_once::h755fdb7c937efc7f [INFO] [stdout] at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/alloc/src/boxed.rs:1940:9 [INFO] [stdout] 39: 0x55aa7c7f4cd3 - as core::ops::function::FnOnce>::call_once::h1e9985d975cd79fe [INFO] [stdout] at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/alloc/src/boxed.rs:1940:9 [INFO] [stdout] 40: 0x55aa7c7f4cd3 - std::sys::unix::thread::Thread::new::thread_start::h25c30bbf1476644a [INFO] [stdout] at /rustc/9ce6b522e9d830b1461df3e1b001b5831bd32346/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 41: 0x7f95cd392609 - start_thread [INFO] [stdout] 42: 0x7f95cd162133 - clone [INFO] [stdout] 43: 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 0.02s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin leest` [INFO] running `Command { std: "docker" "inspect" "1be0f42c71cc3c8a7ff20b4cccb886a990ed3ce3d4bb35fdd7aa21f8762aecb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1be0f42c71cc3c8a7ff20b4cccb886a990ed3ce3d4bb35fdd7aa21f8762aecb6", kill_on_drop: false }` [INFO] [stdout] 1be0f42c71cc3c8a7ff20b4cccb886a990ed3ce3d4bb35fdd7aa21f8762aecb6