[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#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGearhartlove%2Fleest" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [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-5-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Gearhartlove/leest on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 51be3df0d24821e5c93f2a2fc8903668e58a0225043839f36d1c4c577b28f92b [INFO] running `Command { std: "docker" "start" "-a" "51be3df0d24821e5c93f2a2fc8903668e58a0225043839f36d1c4c577b28f92b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "51be3df0d24821e5c93f2a2fc8903668e58a0225043839f36d1c4c577b28f92b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51be3df0d24821e5c93f2a2fc8903668e58a0225043839f36d1c4c577b28f92b", kill_on_drop: false }` [INFO] [stdout] 51be3df0d24821e5c93f2a2fc8903668e58a0225043839f36d1c4c577b28f92b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] faa3e1c84dbaaf461e8622f6b183fe8bd5f44f5eaf6331b3c94ae6605cc749d0 [INFO] running `Command { std: "docker" "start" "-a" "faa3e1c84dbaaf461e8622f6b183fe8bd5f44f5eaf6331b3c94ae6605cc749d0", 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)]` (part of `#[warn(unused)]`) 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: 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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `new_score` is never read [INFO] [stdout] --> src/worked_problems/baseball_game.rs:42:43 [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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: unused variable: `result_matrix` [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:34:13 [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: 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(nonstandard_style)]`) 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)]` (part of `#[warn(unused)]`) 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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s [INFO] running `Command { std: "docker" "inspect" "faa3e1c84dbaaf461e8622f6b183fe8bd5f44f5eaf6331b3c94ae6605cc749d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "faa3e1c84dbaaf461e8622f6b183fe8bd5f44f5eaf6331b3c94ae6605cc749d0", kill_on_drop: false }` [INFO] [stdout] faa3e1c84dbaaf461e8622f6b183fe8bd5f44f5eaf6331b3c94ae6605cc749d0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 04f87026d29764cc612b8d2430c92fe44eccb43a79154d0b7ad3e4d45a3e169c [INFO] running `Command { std: "docker" "start" "-a" "04f87026d29764cc612b8d2430c92fe44eccb43a79154d0b7ad3e4d45a3e169c", 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)]` (part of `#[warn(unused)]`) 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: 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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `new_score` is never read [INFO] [stdout] --> src/worked_problems/baseball_game.rs:42:43 [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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: unused variable: `result_matrix` [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:34:13 [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: 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(nonstandard_style)]`) 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)]` (part of `#[warn(unused)]`) 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] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.70s [INFO] running `Command { std: "docker" "inspect" "04f87026d29764cc612b8d2430c92fe44eccb43a79154d0b7ad3e4d45a3e169c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04f87026d29764cc612b8d2430c92fe44eccb43a79154d0b7ad3e4d45a3e169c", kill_on_drop: false }` [INFO] [stdout] 04f87026d29764cc612b8d2430c92fe44eccb43a79154d0b7ad3e4d45a3e169c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5e1e9580bb204420187d4309bd895b1e6a094ba715ef1fef27e42042838029dc [INFO] running `Command { std: "docker" "start" "-a" "5e1e9580bb204420187d4309bd895b1e6a094ba715ef1fef27e42042838029dc", 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)]` (part of `#[warn(unused)]`) 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: 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)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `new_score` is never read [INFO] [stderr] --> src/worked_problems/baseball_game.rs:42:43 [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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: unused variable: `result_matrix` [INFO] [stderr] --> src/worked_problems/shift_2d_grid.rs:34:13 [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: 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(nonstandard_style)]`) 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)]` (part of `#[warn(unused)]`) 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" -p leest --tests` to apply 7 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/leest-56b8f391c7559603) [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::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::baseball_game::tests::baseball_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] [INFO] [stdout] thread 'worked_problems::top_k_frequent_elements::tests::working' (28) 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: 0x64fd85e9bdb2 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::libunwind::trace [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x64fd85e9bdb2 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::trace_unsynchronized:: [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x64fd85e9bdb2 - std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:74:9 [INFO] [stdout] 3: 0x64fd85e9bdb2 - <::print::DisplayBacktrace as core[c5ed12ab89cc536a]::fmt::Display>::fmt [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:44:26 [INFO] [stdout] 4: 0x64fd85eb08ea - ::fmt [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/fmt/rt.rs:152:76 [INFO] [stdout] 5: 0x64fd85eb08ea - core[c5ed12ab89cc536a]::fmt::write [INFO] [stdout] 6: 0x64fd85ea0be6 - std[716c9a7a72e5c14e]::io::default_write_fmt::> [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x64fd85ea0be6 - as std[716c9a7a72e5c14e]::io::Write>::write_fmt [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:1994:13 [INFO] [stdout] 8: 0x64fd85e7a27f - ::print [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:47:9 [INFO] [stdout] 9: 0x64fd85e7a27f - std[716c9a7a72e5c14e]::panicking::default_hook::{closure#0} [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:292:27 [INFO] [stdout] 10: 0x64fd85e94099 - std[716c9a7a72e5c14e]::panicking::default_hook [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:316:9 [INFO] [stdout] 11: 0x64fd85e2f99e - core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9 [INFO] [stdout] 12: 0x64fd85e2f99e - test[64760d2bdea328cc]::test_main_with_exit_callback::::{closure#0} [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x64fd85e94252 - core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9 [INFO] [stdout] 14: 0x64fd85e94252 - std[716c9a7a72e5c14e]::panicking::panic_with_hook [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:833:13 [INFO] [stdout] 15: 0x64fd85e7a338 - std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0} [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:698:13 [INFO] [stdout] 16: 0x64fd85e71d09 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:182:18 [INFO] [stdout] 17: 0x64fd85e7b18d - __rustc[4f0b026143eab78e]::rust_begin_unwind [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:689:5 [INFO] [stdout] 18: 0x64fd85eb0ffc - core[c5ed12ab89cc536a]::panicking::panic_fmt [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:80:14 [INFO] [stdout] 19: 0x64fd85eb0eb3 - core[c5ed12ab89cc536a]::panicking::assert_failed_inner [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:439:17 [INFO] [stdout] 20: 0x64fd85e212fa - core[c5ed12ab89cc536a]::panicking::assert_failed::, alloc[9c68fdf4f4f29218]::vec::Vec> [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:394:5 [INFO] [stderr] error: test failed, to rerun pass `--bin leest` [INFO] [stdout] 21: 0x64fd85e2039d - leest[d9a12e07f509a475]::worked_problems::top_k_frequent_elements::tests::working [INFO] [stdout] at /opt/rustwide/workdir/src/worked_problems/top_k_frequent_elements.rs:44:9 [INFO] [stdout] 22: 0x64fd85e1ee17 - leest[d9a12e07f509a475]::worked_problems::top_k_frequent_elements::tests::working::{closure#0} [INFO] [stdout] at /opt/rustwide/workdir/src/worked_problems/top_k_frequent_elements.rs:42:17 [INFO] [stdout] 23: 0x64fd85e210e6 - >::call_once [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x64fd85e23d4b - core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x64fd85e23d4b - test[64760d2bdea328cc]::__rust_begin_short_backtrace::, fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>> [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:663:18 [INFO] [stdout] 26: 0x64fd85e305aa - test[64760d2bdea328cc]::run_test_in_process::{closure#0} [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:74 [INFO] [stdout] 27: 0x64fd85e305aa - as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9 [INFO] [stdout] 28: 0x64fd85e305aa - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>> [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40 [INFO] [stdout] 29: 0x64fd85e305aa - std[716c9a7a72e5c14e]::panicking::catch_unwind::, core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe> [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19 [INFO] [stdout] 30: 0x64fd85e305aa - std[716c9a7a72e5c14e]::panic::catch_unwind::, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>> [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x64fd85e305aa - test[64760d2bdea328cc]::run_test_in_process [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:27 [INFO] [stdout] 32: 0x64fd85e305aa - test[64760d2bdea328cc]::run_test::{closure#0} [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:607:43 [INFO] [stdout] 33: 0x64fd85e2aa74 - test[64760d2bdea328cc]::run_test::{closure#1} [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:637:41 [INFO] [stdout] 34: 0x64fd85e2aa74 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_begin_short_backtrace:: [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:166:18 [INFO] [stdout] 35: 0x64fd85e330a2 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::::{closure#1}::{closure#0} [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:91:13 [INFO] [stdout] 36: 0x64fd85e330a2 - ::{closure#1}::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9 [INFO] [stdout] 37: 0x64fd85e330a2 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::::{closure#1}::{closure#0}>, ()> [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40 [INFO] [stdout] 38: 0x64fd85e330a2 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<(), core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe::{closure#1}::{closure#0}>> [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19 [INFO] [stdout] 39: 0x64fd85e330a2 - std[716c9a7a72e5c14e]::panic::catch_unwind::::{closure#1}::{closure#0}>, ()> [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14 [INFO] [stdout] 40: 0x64fd85e330a2 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::::{closure#1} [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:89:26 [INFO] [stdout] 41: 0x64fd85e330a2 - ::{closure#1} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 42: 0x64fd85e9b65f - + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2206:9 [INFO] [stdout] 43: 0x64fd85e9b65f - ::new::thread_start [INFO] [stdout] at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/thread/unix.rs:119:17 [INFO] [stdout] 44: 0x764736a55aa4 - [INFO] [stdout] 45: 0x764736ae2a64 - clone [INFO] [stdout] 46: 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 0.04s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "5e1e9580bb204420187d4309bd895b1e6a094ba715ef1fef27e42042838029dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e1e9580bb204420187d4309bd895b1e6a094ba715ef1fef27e42042838029dc", kill_on_drop: false }` [INFO] [stdout] 5e1e9580bb204420187d4309bd895b1e6a094ba715ef1fef27e42042838029dc