[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 master#2fe50cd72c476ebacdedb14893e9632b4de961c2 for pr-116088-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGearhartlove%2Fleest" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Gearhartlove/leest on toolchain 2fe50cd72c476ebacdedb14893e9632b4de961c2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fe50cd72c476ebacdedb14893e9632b4de961c2" "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-tc1/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" "+2fe50cd72c476ebacdedb14893e9632b4de961c2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2fe50cd72c476ebacdedb14893e9632b4de961c2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 791750c69acc29bb571da6345d74189d96113485c7b61d2fb22a9d376603304d [INFO] running `Command { std: "docker" "start" "-a" "791750c69acc29bb571da6345d74189d96113485c7b61d2fb22a9d376603304d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "791750c69acc29bb571da6345d74189d96113485c7b61d2fb22a9d376603304d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "791750c69acc29bb571da6345d74189d96113485c7b61d2fb22a9d376603304d", kill_on_drop: false }` [INFO] [stdout] 791750c69acc29bb571da6345d74189d96113485c7b61d2fb22a9d376603304d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2fe50cd72c476ebacdedb14893e9632b4de961c2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 656073878b12d70afcbe879f37694894aa9507117b649859306482772ec556db [INFO] running `Command { std: "docker" "start" "-a" "656073878b12d70afcbe879f37694894aa9507117b649859306482772ec556db", 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 0.32s [INFO] running `Command { std: "docker" "inspect" "656073878b12d70afcbe879f37694894aa9507117b649859306482772ec556db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "656073878b12d70afcbe879f37694894aa9507117b649859306482772ec556db", kill_on_drop: false }` [INFO] [stdout] 656073878b12d70afcbe879f37694894aa9507117b649859306482772ec556db [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2fe50cd72c476ebacdedb14893e9632b4de961c2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c9e754e83f814af94e6460f532508f2677be92e641b748402bf7d1806ac5ad41 [INFO] running `Command { std: "docker" "start" "-a" "c9e754e83f814af94e6460f532508f2677be92e641b748402bf7d1806ac5ad41", 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: 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 0.77s [INFO] running `Command { std: "docker" "inspect" "c9e754e83f814af94e6460f532508f2677be92e641b748402bf7d1806ac5ad41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9e754e83f814af94e6460f532508f2677be92e641b748402bf7d1806ac5ad41", kill_on_drop: false }` [INFO] [stdout] c9e754e83f814af94e6460f532508f2677be92e641b748402bf7d1806ac5ad41 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2fe50cd72c476ebacdedb14893e9632b4de961c2" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b347782278e271286ebaa2bae8dbd6a8f2a37077d2d43285139cc8a04e288b80 [INFO] running `Command { std: "docker" "start" "-a" "b347782278e271286ebaa2bae8dbd6a8f2a37077d2d43285139cc8a04e288b80", 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 0.02s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/leest-9914c11adbb5a58c) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test worked_problems::shift_2d_grid::tests::shift_mxn_works ... ok [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_k_works ... ok [INFO] [stdout] test worked_problems::top_k_frequent_elements::tests::working ... FAILED [INFO] [stderr] error: test failed, to rerun pass `--bin leest` [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 src/worked_problems/top_k_frequent_elements.rs:44:9: [INFO] [stdout] assertion `left == right` failed [INFO] [stdout] left: [2, 3, 4] [INFO] [stdout] right: [2, 4, 3] [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55c2f7d183e6 - std::backtrace_rs::backtrace::libunwind::trace::hd7a456af414d63de [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5 [INFO] [stdout] 1: 0x55c2f7d183e6 - std::backtrace_rs::backtrace::trace_unsynchronized::h64867240ea973bd5 [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55c2f7d183e6 - std::sys_common::backtrace::_print_fmt::h2808b222ea4d26d0 [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/std/src/sys_common/backtrace.rs:68:5 [INFO] [stdout] 3: 0x55c2f7d183e6 - ::fmt::h03f74bc036e21c80 [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stdout] 4: 0x55c2f7d41980 - core::fmt::rt::Argument::fmt::h8121cad32ccb67f1 [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/core/src/fmt/rt.rs:142:9 [INFO] [stdout] 5: 0x55c2f7d41980 - core::fmt::write::hba6738a49cae548f [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/core/src/fmt/mod.rs:1120:17 [INFO] [stdout] 6: 0x55c2f7d15f7f - std::io::Write::write_fmt::h998dc49ddc9bbda8 [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/std/src/io/mod.rs:1810:15 [INFO] [stdout] 7: 0x55c2f7d181c4 - std::sys_common::backtrace::_print::h12e2732351687df5 [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stdout] 8: 0x55c2f7d181c4 - std::sys_common::backtrace::print::h3977ff4fa70d37c3 [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stdout] 9: 0x55c2f7d19f37 - std::panicking::default_hook::{{closure}}::h3649b42de801f190 [INFO] [stdout] 10: 0x55c2f7d19c1d - std::panicking::default_hook::h3fb7ccab350417f5 [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/std/src/panicking.rs:289:9 [INFO] [stdout] 11: 0x55c2f7ce9f27 - as core::ops::function::Fn>::call::hcac2ee49c7d5205e [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/alloc/src/boxed.rs:2029:9 [INFO] [stdout] 12: 0x55c2f7ce9f27 - test::test_main::{{closure}}::ha6dc19c93a11f2d1 [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/test/src/lib.rs:138:21 [INFO] [stdout] 13: 0x55c2f7d1a556 - as core::ops::function::Fn>::call::h29b8e785b856bb23 [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/alloc/src/boxed.rs:2029:9 [INFO] [stdout] 14: 0x55c2f7d1a556 - std::panicking::rust_panic_with_hook::h5efc89ef996de810 [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/std/src/panicking.rs:783:13 [INFO] [stdout] 15: 0x55c2f7d1a2a2 - std::panicking::begin_panic_handler::{{closure}}::h6289f51ae1ae9efc [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/std/src/panicking.rs:657:13 [INFO] [stdout] 16: 0x55c2f7d188e6 - std::sys_common::backtrace::__rust_end_short_backtrace::h9f143e0a9d826e65 [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/std/src/sys_common/backtrace.rs:171:18 [INFO] [stdout] 17: 0x55c2f7d1a000 - rust_begin_unwind [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/std/src/panicking.rs:645:5 [INFO] [stdout] 18: 0x55c2f7c9dcd5 - core::panicking::panic_fmt::h5b9d04f36fd68862 [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/core/src/panicking.rs:72:14 [INFO] [stdout] 19: 0x55c2f7c9e10b - core::panicking::assert_failed_inner::he8bf6244a405549a [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/core/src/panicking.rs:342:17 [INFO] [stdout] 20: 0x55c2f7caedde - core::panicking::assert_failed::h6e7f9fdfa772c1e1 [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/core/src/panicking.rs:297:5 [INFO] [stdout] 21: 0x55c2f7cb561d - leest::worked_problems::top_k_frequent_elements::tests::working::h2fe77dce2f374208 [INFO] [stdout] at /opt/rustwide/workdir/src/worked_problems/top_k_frequent_elements.rs:44:9 [INFO] [stdout] 22: 0x55c2f7cb5207 - leest::worked_problems::top_k_frequent_elements::tests::working::{{closure}}::hac2d071d38781c2d [INFO] [stdout] at /opt/rustwide/workdir/src/worked_problems/top_k_frequent_elements.rs:42:17 [INFO] [stdout] 23: 0x55c2f7ca5ad6 - core::ops::function::FnOnce::call_once::hc2f366d5a90f6f23 [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x55c2f7cef72f - core::ops::function::FnOnce::call_once::h547df4cc4781c42c [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x55c2f7cef72f - test::__rust_begin_short_backtrace::h0751f8da0df8afc9 [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/test/src/lib.rs:627:18 [INFO] [stdout] 26: 0x55c2f7cee581 - test::run_test_in_process::{{closure}}::h08b7e2b944f5d3bf [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/test/src/lib.rs:650:60 [INFO] [stdout] 27: 0x55c2f7cee581 - as core::ops::function::FnOnce<()>>::call_once::h4eabe934da23f6d3 [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 28: 0x55c2f7cee581 - std::panicking::try::do_call::h8bce2a819a83d75f [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/std/src/panicking.rs:552:40 [INFO] [stdout] 29: 0x55c2f7cee581 - std::panicking::try::h8d0ad43ca1e9dfe4 [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/std/src/panicking.rs:516:19 [INFO] [stdout] 30: 0x55c2f7cee581 - std::panic::catch_unwind::h80c407981483a27f [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/std/src/panic.rs:142:14 [INFO] [stdout] 31: 0x55c2f7cee581 - test::run_test_in_process::h34f4f1cf26878dcc [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/test/src/lib.rs:650:27 [INFO] [stdout] 32: 0x55c2f7cee581 - test::run_test::{{closure}}::hf98423759bd4e4de [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/test/src/lib.rs:573:43 [INFO] [stdout] 33: 0x55c2f7cb5916 - test::run_test::{{closure}}::h31f9214a9865a468 [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/test/src/lib.rs:601:41 [INFO] [stdout] 34: 0x55c2f7cb5916 - std::sys_common::backtrace::__rust_begin_short_backtrace::h97eebf57e64e4a3e [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/std/src/sys_common/backtrace.rs:155:18 [INFO] [stdout] 35: 0x55c2f7cbaa17 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h10343cc6e645d5a7 [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/std/src/thread/mod.rs:529:17 [INFO] [stdout] 36: 0x55c2f7cbaa17 - as core::ops::function::FnOnce<()>>::call_once::h7676f5746d51f304 [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 37: 0x55c2f7cbaa17 - std::panicking::try::do_call::h76c69ddb47b6692d [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/std/src/panicking.rs:552:40 [INFO] [stdout] 38: 0x55c2f7cbaa17 - std::panicking::try::h231004126786543e [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/std/src/panicking.rs:516:19 [INFO] [stdout] 39: 0x55c2f7cbaa17 - std::panic::catch_unwind::h519133dc1360745e [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/std/src/panic.rs:142:14 [INFO] [stdout] 40: 0x55c2f7cbaa17 - std::thread::Builder::spawn_unchecked_::{{closure}}::h7c96b1538d88533f [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/std/src/thread/mod.rs:528:30 [INFO] [stdout] 41: 0x55c2f7cbaa17 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h90e3a916fbad66da [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 42: 0x55c2f7d1f005 - as core::ops::function::FnOnce>::call_once::h12c26c313019b755 [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/alloc/src/boxed.rs:2015:9 [INFO] [stdout] 43: 0x55c2f7d1f005 - as core::ops::function::FnOnce>::call_once::h3a7c22937eaa10d1 [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/alloc/src/boxed.rs:2015:9 [INFO] [stdout] 44: 0x55c2f7d1f005 - std::sys::unix::thread::Thread::new::thread_start::h1ce303acc71f2e7d [INFO] [stdout] at /rustc/2fe50cd72c476ebacdedb14893e9632b4de961c2/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 45: 0x7f122f206ac3 - [INFO] [stdout] 46: 0x7f122f297bf4 - __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 0.07s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b347782278e271286ebaa2bae8dbd6a8f2a37077d2d43285139cc8a04e288b80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b347782278e271286ebaa2bae8dbd6a8f2a37077d2d43285139cc8a04e288b80", kill_on_drop: false }` [INFO] [stdout] b347782278e271286ebaa2bae8dbd6a8f2a37077d2d43285139cc8a04e288b80 [INFO] testing Gearhartlove/leest against try#9c1665de5d324fe858dc15371578d6f928bfc123 for pr-116088-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGearhartlove%2Fleest" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Gearhartlove/leest on toolchain 9c1665de5d324fe858dc15371578d6f928bfc123 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c1665de5d324fe858dc15371578d6f928bfc123" "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-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" "+9c1665de5d324fe858dc15371578d6f928bfc123" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+9c1665de5d324fe858dc15371578d6f928bfc123" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ca3758dea32bb87fe28189d4690ace7f7995bc95d318ec71845360135f35a1ba [INFO] running `Command { std: "docker" "start" "-a" "ca3758dea32bb87fe28189d4690ace7f7995bc95d318ec71845360135f35a1ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ca3758dea32bb87fe28189d4690ace7f7995bc95d318ec71845360135f35a1ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca3758dea32bb87fe28189d4690ace7f7995bc95d318ec71845360135f35a1ba", kill_on_drop: false }` [INFO] [stdout] ca3758dea32bb87fe28189d4690ace7f7995bc95d318ec71845360135f35a1ba [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+9c1665de5d324fe858dc15371578d6f928bfc123" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f88b77cfdffa0da3f474de8ed67c6e431eff23a0e99836c2bb6ccd5d68800e0a [INFO] running `Command { std: "docker" "start" "-a" "f88b77cfdffa0da3f474de8ed67c6e431eff23a0e99836c2bb6ccd5d68800e0a", 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 0.48s [INFO] running `Command { std: "docker" "inspect" "f88b77cfdffa0da3f474de8ed67c6e431eff23a0e99836c2bb6ccd5d68800e0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f88b77cfdffa0da3f474de8ed67c6e431eff23a0e99836c2bb6ccd5d68800e0a", kill_on_drop: false }` [INFO] [stdout] f88b77cfdffa0da3f474de8ed67c6e431eff23a0e99836c2bb6ccd5d68800e0a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+9c1665de5d324fe858dc15371578d6f928bfc123" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 303e23ce87ac54cbb01540f74fdbfc0d7aa4a9d1fbf1ce99700f498435ef694e [INFO] running `Command { std: "docker" "start" "-a" "303e23ce87ac54cbb01540f74fdbfc0d7aa4a9d1fbf1ce99700f498435ef694e", 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: 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 0.78s [INFO] running `Command { std: "docker" "inspect" "303e23ce87ac54cbb01540f74fdbfc0d7aa4a9d1fbf1ce99700f498435ef694e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "303e23ce87ac54cbb01540f74fdbfc0d7aa4a9d1fbf1ce99700f498435ef694e", kill_on_drop: false }` [INFO] [stdout] 303e23ce87ac54cbb01540f74fdbfc0d7aa4a9d1fbf1ce99700f498435ef694e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+9c1665de5d324fe858dc15371578d6f928bfc123" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 84b063a1ebc94a019f515a8d06b580ea0ab52dc57c8166827a62ef0d8fe521a0 [INFO] running `Command { std: "docker" "start" "-a" "84b063a1ebc94a019f515a8d06b580ea0ab52dc57c8166827a62ef0d8fe521a0", 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 0.03s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/leest-9914c11adbb5a58c) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test worked_problems::shift_2d_grid::tests::shift_mxn_works ... ok [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_k_works ... ok [INFO] [stdout] test worked_problems::top_k_frequent_elements::tests::working ... FAILED [INFO] [stderr] error: test failed, to rerun pass `--bin leest` [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- worked_problems::top_k_frequent_elements::tests::working stdout ---- [INFO] [stdout] [2, 1] [INFO] [stdout] thread 'worked_problems::top_k_frequent_elements::tests::working' panicked at src/worked_problems/top_k_frequent_elements.rs:43:9: [INFO] [stdout] assertion `left == right` failed [INFO] [stdout] left: [1, 2] [INFO] [stdout] right: [2, 1] [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x560274dd02d6 - std::backtrace_rs::backtrace::libunwind::trace::h91c8d54ed99a4c55 [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5 [INFO] [stdout] 1: 0x560274dd02d6 - std::backtrace_rs::backtrace::trace_unsynchronized::h715a9230a8fcfb93 [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x560274dd02d6 - std::sys_common::backtrace::_print_fmt::hbab9610f7b3c51a4 [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/sys_common/backtrace.rs:68:5 [INFO] [stdout] 3: 0x560274dd02d6 - ::fmt::h56c55e88977fc622 [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stdout] 4: 0x560274df9870 - core::fmt::rt::Argument::fmt::heebe33f1e8c6d0f8 [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/core/src/fmt/rt.rs:142:9 [INFO] [stdout] 5: 0x560274df9870 - core::fmt::write::h73e5b8b14759e609 [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/core/src/fmt/mod.rs:1120:17 [INFO] [stdout] 6: 0x560274dcdeff - std::io::Write::write_fmt::hc6810e91f58091ef [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/io/mod.rs:1810:15 [INFO] [stdout] 7: 0x560274dd00b4 - std::sys_common::backtrace::_print::h835c23092b2371d8 [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stdout] 8: 0x560274dd00b4 - std::sys_common::backtrace::print::h220bc735ac93468b [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stdout] 9: 0x560274dd1e27 - std::panicking::default_hook::{{closure}}::h13e5c81c71823f66 [INFO] [stdout] 10: 0x560274dd1b0d - std::panicking::default_hook::h49decadd8f3385a7 [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/panicking.rs:289:9 [INFO] [stdout] 11: 0x560274da1e17 - as core::ops::function::Fn>::call::h948fb53b8b08f768 [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/alloc/src/boxed.rs:2029:9 [INFO] [stdout] 12: 0x560274da1e17 - test::test_main::{{closure}}::hb4f3e5071c7080f1 [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/test/src/lib.rs:138:21 [INFO] [stdout] 13: 0x560274dd2446 - as core::ops::function::Fn>::call::hcd5802f61674126e [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/alloc/src/boxed.rs:2029:9 [INFO] [stdout] 14: 0x560274dd2446 - std::panicking::rust_panic_with_hook::hd27f6b49984c37db [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/panicking.rs:783:13 [INFO] [stdout] 15: 0x560274dd2192 - std::panicking::begin_panic_handler::{{closure}}::h3cbc731df9d96e4d [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/panicking.rs:657:13 [INFO] [stdout] 16: 0x560274dd07d6 - std::sys_common::backtrace::__rust_end_short_backtrace::hc27809f103d211f0 [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/sys_common/backtrace.rs:171:18 [INFO] [stdout] 17: 0x560274dd1ef0 - rust_begin_unwind [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/panicking.rs:645:5 [INFO] [stdout] 18: 0x560274d55cd5 - core::panicking::panic_fmt::ha729e53058547cad [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/core/src/panicking.rs:72:14 [INFO] [stdout] 19: 0x560274d5610b - core::panicking::assert_failed_inner::hc3300d20052370cd [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/core/src/panicking.rs:342:17 [INFO] [stdout] 20: 0x560274d66f7e - core::panicking::assert_failed::ha5c1d4e546a88cdb [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/core/src/panicking.rs:297:5 [INFO] [stdout] 21: 0x560274d6d3fb - leest::worked_problems::top_k_frequent_elements::tests::working::h73a2a3f720e1f0c8 [INFO] [stdout] at /opt/rustwide/workdir/src/worked_problems/top_k_frequent_elements.rs:43:9 [INFO] [stdout] 22: 0x560274d6d207 - leest::worked_problems::top_k_frequent_elements::tests::working::{{closure}}::h3d7f622a1b67176a [INFO] [stdout] at /opt/rustwide/workdir/src/worked_problems/top_k_frequent_elements.rs:42:17 [INFO] [stdout] 23: 0x560274d5d7d6 - core::ops::function::FnOnce::call_once::h0cc31cf385ccae35 [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x560274da76ef - core::ops::function::FnOnce::call_once::hc0fe9d49e29a8147 [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x560274da76ef - test::__rust_begin_short_backtrace::haa61ceb70470fb3e [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/test/src/lib.rs:627:18 [INFO] [stdout] 26: 0x560274da6471 - test::run_test_in_process::{{closure}}::h8585fae9636dddb2 [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/test/src/lib.rs:650:60 [INFO] [stdout] 27: 0x560274da6471 - as core::ops::function::FnOnce<()>>::call_once::hb7a42bf7326d90ad [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 28: 0x560274da6471 - std::panicking::try::do_call::h9063f39381e190d5 [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/panicking.rs:552:40 [INFO] [stdout] 29: 0x560274da6471 - std::panicking::try::h1e696c55679552ba [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/panicking.rs:516:19 [INFO] [stdout] 30: 0x560274da6471 - std::panic::catch_unwind::ha638c57cde7bcebd [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/panic.rs:142:14 [INFO] [stdout] 31: 0x560274da6471 - test::run_test_in_process::h87d13783dd3d2492 [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/test/src/lib.rs:650:27 [INFO] [stdout] 32: 0x560274da6471 - test::run_test::{{closure}}::hbfb7402b4584e0f1 [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/test/src/lib.rs:573:43 [INFO] [stdout] 33: 0x560274d6d916 - test::run_test::{{closure}}::h6b5a8e7824747db3 [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/test/src/lib.rs:601:41 [INFO] [stdout] 34: 0x560274d6d916 - std::sys_common::backtrace::__rust_begin_short_backtrace::hd4768720b288897d [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/sys_common/backtrace.rs:155:18 [INFO] [stdout] 35: 0x560274d72977 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::ha03eb79d3e2ff5a3 [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/thread/mod.rs:529:17 [INFO] [stdout] 36: 0x560274d72977 - as core::ops::function::FnOnce<()>>::call_once::hec8051eee7bc5c29 [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 37: 0x560274d72977 - std::panicking::try::do_call::ha639d9c4a070100b [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/panicking.rs:552:40 [INFO] [stdout] 38: 0x560274d72977 - std::panicking::try::ha45df3d3f6ed1370 [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/panicking.rs:516:19 [INFO] [stdout] 39: 0x560274d72977 - std::panic::catch_unwind::hac44f4c50a87c82d [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/panic.rs:142:14 [INFO] [stdout] 40: 0x560274d72977 - std::thread::Builder::spawn_unchecked_::{{closure}}::hfecb7080eaed2a35 [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/thread/mod.rs:528:30 [INFO] [stdout] 41: 0x560274d72977 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h4739d9410aed0b36 [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 42: 0x560274dd6ef5 - as core::ops::function::FnOnce>::call_once::hf07182c172025753 [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/alloc/src/boxed.rs:2015:9 [INFO] [stdout] 43: 0x560274dd6ef5 - as core::ops::function::FnOnce>::call_once::hffcc280980d6bb6c [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/alloc/src/boxed.rs:2015:9 [INFO] [stdout] 44: 0x560274dd6ef5 - std::sys::unix::thread::Thread::new::thread_start::h35e8c1dabb0282bb [INFO] [stdout] at /rustc/9c1665de5d324fe858dc15371578d6f928bfc123/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 45: 0x7f63a0cf0ac3 - [INFO] [stdout] 46: 0x7f63a0d81bf4 - __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 0.05s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "84b063a1ebc94a019f515a8d06b580ea0ab52dc57c8166827a62ef0d8fe521a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84b063a1ebc94a019f515a8d06b580ea0ab52dc57c8166827a62ef0d8fe521a0", kill_on_drop: false }` [INFO] [stdout] 84b063a1ebc94a019f515a8d06b580ea0ab52dc57c8166827a62ef0d8fe521a0