[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#67da586efe13aa66eef576ba095e1875ba65fd20 for pr-112849 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGearhartlove%2Fleest" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Gearhartlove/leest on toolchain 67da586efe13aa66eef576ba095e1875ba65fd20 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+67da586efe13aa66eef576ba095e1875ba65fd20" "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-7-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" "+67da586efe13aa66eef576ba095e1875ba65fd20" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+67da586efe13aa66eef576ba095e1875ba65fd20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b1ec93ed1a69ba800bc8adfde0188ba18a6eb9f781f041a2a8f65cfe732f12d5 [INFO] running `Command { std: "docker" "start" "-a" "b1ec93ed1a69ba800bc8adfde0188ba18a6eb9f781f041a2a8f65cfe732f12d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b1ec93ed1a69ba800bc8adfde0188ba18a6eb9f781f041a2a8f65cfe732f12d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b1ec93ed1a69ba800bc8adfde0188ba18a6eb9f781f041a2a8f65cfe732f12d5", kill_on_drop: false }` [INFO] [stdout] b1ec93ed1a69ba800bc8adfde0188ba18a6eb9f781f041a2a8f65cfe732f12d5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+67da586efe13aa66eef576ba095e1875ba65fd20" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5f5a66e5004dee487a901991d724e5fc7d05990f62f0985663c456d8714bddfd [INFO] running `Command { std: "docker" "start" "-a" "5f5a66e5004dee487a901991d724e5fc7d05990f62f0985663c456d8714bddfd", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling leest v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::mem::replace` [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::mem::replace; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `worked_problems::baseball_game` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use worked_problems::baseball_game; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `new_score` is never read [INFO] [stdout] --> src/worked_problems/baseball_game.rs:42:26 [INFO] [stdout] | [INFO] [stdout] 42 | let mut new_score: i32 = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/worked_problems/baseball_game.rs:51:22 [INFO] [stdout] | [INFO] [stdout] 51 | let mut new_score = *record.last()? * 2; [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/worked_problems/top_k_frequent_elements.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | for i in 0..k { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `result_matrix` [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:34:17 [INFO] [stdout] | [INFO] [stdout] 34 | let mut result_matrix = grid.clone(); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result_matrix` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:34:13 [INFO] [stdout] | [INFO] [stdout] 34 | let mut result_matrix = grid.clone(); [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/worked_problems/shift_2d_grid.rs:39:17 [INFO] [stdout] | [INFO] [stdout] 39 | let mut row = return_grid.get_mut(new_row_pos).unwrap(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 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 3.86s [INFO] running `Command { std: "docker" "inspect" "5f5a66e5004dee487a901991d724e5fc7d05990f62f0985663c456d8714bddfd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f5a66e5004dee487a901991d724e5fc7d05990f62f0985663c456d8714bddfd", kill_on_drop: false }` [INFO] [stdout] 5f5a66e5004dee487a901991d724e5fc7d05990f62f0985663c456d8714bddfd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+67da586efe13aa66eef576ba095e1875ba65fd20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2c432ba60ef5b1dfd304ff7c61f247f7b4a45054f777f2524cb077c23c6485cf [INFO] running `Command { std: "docker" "start" "-a" "2c432ba60ef5b1dfd304ff7c61f247f7b4a45054f777f2524cb077c23c6485cf", 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 0.40s [INFO] running `Command { std: "docker" "inspect" "2c432ba60ef5b1dfd304ff7c61f247f7b4a45054f777f2524cb077c23c6485cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c432ba60ef5b1dfd304ff7c61f247f7b4a45054f777f2524cb077c23c6485cf", kill_on_drop: false }` [INFO] [stdout] 2c432ba60ef5b1dfd304ff7c61f247f7b4a45054f777f2524cb077c23c6485cf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+67da586efe13aa66eef576ba095e1875ba65fd20" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] eecbfb0d319fe8b49f21fa00ea97ba07382fd96bf7a806f7a79800ba3233a00b [INFO] running `Command { std: "docker" "start" "-a" "eecbfb0d319fe8b49f21fa00ea97ba07382fd96bf7a806f7a79800ba3233a00b", 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 0.10s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/leest-ec71ac863188b445) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test worked_problems::baseball_game::tests::baseball_works ... ok [INFO] [stdout] test worked_problems::shift_2d_grid::tests::shift_k_works ... ok [INFO] [stdout] test worked_problems::shift_2d_grid::tests::shift_nxn_works ... ok [INFO] [stdout] test worked_problems::shift_2d_grid::tests::shift_mxn_works ... ok [INFO] [stderr] error: test failed, to rerun pass `--bin leest` [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] [2, 1] [INFO] [stdout] thread 'worked_problems::top_k_frequent_elements::tests::working' panicked at 'assertion failed: `(left == right)` [INFO] [stdout] left: `[1, 2]`, [INFO] [stdout] right: `[2, 1]`', src/worked_problems/top_k_frequent_elements.rs:43:9 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55d022b4e0c1 - std::backtrace_rs::backtrace::libunwind::trace::h14bc19b012153c4e [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x55d022b4e0c1 - std::backtrace_rs::backtrace::trace_unsynchronized::hbc9aa10cf185443a [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55d022b4e0c1 - std::sys_common::backtrace::_print_fmt::hc902810bae4e6a55 [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/std/src/sys_common/backtrace.rs:65:5 [INFO] [stdout] 3: 0x55d022b4e0c1 - ::fmt::hdedc778f0cce9ba3 [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stdout] 4: 0x55d022b745cf - core::fmt::rt::Argument::fmt::h72a88a69c8be5aef [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/core/src/fmt/rt.rs:138:9 [INFO] [stdout] 5: 0x55d022b745cf - core::fmt::write::hbcfa49c4e0540f31 [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/core/src/fmt/mod.rs:1094:21 [INFO] [stdout] 6: 0x55d022b4b467 - std::io::Write::write_fmt::h18acf23cd92ecffb [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/std/src/io/mod.rs:1714:15 [INFO] [stdout] 7: 0x55d022b4ded5 - std::sys_common::backtrace::_print::hfdf9478d9ba7451e [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stdout] 8: 0x55d022b4ded5 - std::sys_common::backtrace::print::h899b5001459c9891 [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stdout] 9: 0x55d022b4fb33 - std::panicking::default_hook::{{closure}}::h6ce7a9fa337d4ae0 [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/std/src/panicking.rs:269:22 [INFO] [stdout] 10: 0x55d022b4f850 - std::panicking::default_hook::hb4a3976d57330484 [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/std/src/panicking.rs:285:9 [INFO] [stdout] 11: 0x55d022b20642 - as core::ops::function::Fn>::call::h44ae33e5fc62e84d [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/alloc/src/boxed.rs:2007:9 [INFO] [stdout] 12: 0x55d022b20642 - test::test_main::{{closure}}::heeb5020ff7cd0307 [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/test/src/lib.rs:134:21 [INFO] [stdout] 13: 0x55d022b5022e - as core::ops::function::Fn>::call::hfc4fd049a549cb23 [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/alloc/src/boxed.rs:2007:9 [INFO] [stdout] 14: 0x55d022b5022e - std::panicking::rust_panic_with_hook::h9b55d6b1e057a963 [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/std/src/panicking.rs:709:13 [INFO] [stdout] 15: 0x55d022b4ffb7 - std::panicking::begin_panic_handler::{{closure}}::hbef64bb3761b3da8 [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/std/src/panicking.rs:597:13 [INFO] [stdout] 16: 0x55d022b4e4f6 - std::sys_common::backtrace::__rust_end_short_backtrace::he627f204232a89a2 [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/std/src/sys_common/backtrace.rs:151:18 [INFO] [stdout] 17: 0x55d022b4fd02 - rust_begin_unwind [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/std/src/panicking.rs:593:5 [INFO] [stdout] 18: 0x55d022ad4403 - core::panicking::panic_fmt::h648da198469ea5f4 [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/core/src/panicking.rs:67:14 [INFO] [stdout] 19: 0x55d022ad47bb - core::panicking::assert_failed_inner::ha17aa5bf6e6fa815 [INFO] [stdout] 20: 0x55d022ae9a7a - core::panicking::assert_failed::h463d2482157550fe [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/core/src/panicking.rs:229:5 [INFO] [stdout] 21: 0x55d022ade7fe - leest::worked_problems::top_k_frequent_elements::tests::working::h538422b233cd9256 [INFO] [stdout] at /opt/rustwide/workdir/src/worked_problems/top_k_frequent_elements.rs:43:9 [INFO] [stdout] 22: 0x55d022ade5f7 - leest::worked_problems::top_k_frequent_elements::tests::working::{{closure}}::hcd82a32217cd1c1c [INFO] [stdout] at /opt/rustwide/workdir/src/worked_problems/top_k_frequent_elements.rs:42:18 [INFO] [stdout] 23: 0x55d022ae05c5 - core::ops::function::FnOnce::call_once::h977643ae11ce8a13 [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x55d022b25a8f - core::ops::function::FnOnce::call_once::h6bc30f66680984ea [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x55d022b25a8f - test::__rust_begin_short_backtrace::h9d1b819fb7088a9f [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/test/src/lib.rs:655:18 [INFO] [stdout] 26: 0x55d022af140c - test::run_test::{{closure}}::he33c05959616bf43 [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/test/src/lib.rs:646:30 [INFO] [stdout] 27: 0x55d022af140c - core::ops::function::FnOnce::call_once{{vtable.shim}}::h0efb49a8157434c3 [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 28: 0x55d022b24a29 - as core::ops::function::FnOnce>::call_once::he0f271a83d677b94 [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/alloc/src/boxed.rs:1993:9 [INFO] [stdout] 29: 0x55d022b24a29 - as core::ops::function::FnOnce<()>>::call_once::h1659f8ebd02d03f3 [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 30: 0x55d022b24a29 - std::panicking::try::do_call::h813b98abe8a1f8c0 [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/std/src/panicking.rs:500:40 [INFO] [stdout] 31: 0x55d022b24a29 - std::panicking::try::h885e718b66367fac [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/std/src/panicking.rs:464:19 [INFO] [stdout] 32: 0x55d022b24a29 - std::panic::catch_unwind::h90cca2ccc80a126a [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/std/src/panic.rs:142:14 [INFO] [stdout] 33: 0x55d022b24a29 - test::run_test_in_process::hdd049b79d49b124b [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/test/src/lib.rs:678:27 [INFO] [stdout] 34: 0x55d022b24a29 - test::run_test::run_test_inner::{{closure}}::he854e2e6886327bf [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/test/src/lib.rs:572:39 [INFO] [stdout] 35: 0x55d022aeb758 - test::run_test::run_test_inner::{{closure}}::hf97180155b2806bb [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/test/src/lib.rs:599:37 [INFO] [stdout] 36: 0x55d022aeb758 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3b0a6bc3e66eed40 [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/std/src/sys_common/backtrace.rs:135:18 [INFO] [stdout] 37: 0x55d022af163f - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hde1aad51bdcfbc9c [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/std/src/thread/mod.rs:529:17 [INFO] [stdout] 38: 0x55d022af163f - as core::ops::function::FnOnce<()>>::call_once::h08b261b7b808318e [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 39: 0x55d022af163f - std::panicking::try::do_call::h1788313a80cc5f82 [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/std/src/panicking.rs:500:40 [INFO] [stdout] 40: 0x55d022af163f - std::panicking::try::h130f12a8109721d8 [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/std/src/panicking.rs:464:19 [INFO] [stdout] 41: 0x55d022af163f - std::panic::catch_unwind::h0478d33b1b2a7979 [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/std/src/panic.rs:142:14 [INFO] [stdout] 42: 0x55d022af163f - std::thread::Builder::spawn_unchecked_::{{closure}}::h4da82aacc4498de6 [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/std/src/thread/mod.rs:528:30 [INFO] [stdout] 43: 0x55d022af163f - core::ops::function::FnOnce::call_once{{vtable.shim}}::hd7b2c4b1ed0b9ce5 [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 44: 0x55d022b546e5 - as core::ops::function::FnOnce>::call_once::h8a6d893de3fbe198 [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/alloc/src/boxed.rs:1993:9 [INFO] [stdout] 45: 0x55d022b546e5 - as core::ops::function::FnOnce>::call_once::hdfd4a760783b8422 [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/alloc/src/boxed.rs:1993:9 [INFO] [stdout] 46: 0x55d022b546e5 - std::sys::unix::thread::Thread::new::thread_start::hbf63fe4c32dea9ed [INFO] [stdout] at /rustc/67da586efe13aa66eef576ba095e1875ba65fd20/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 47: 0x7fcd7406eb43 - [INFO] [stdout] 48: 0x7fcd740ffbb4 - __clone [INFO] [stdout] 49: 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 0.49s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "eecbfb0d319fe8b49f21fa00ea97ba07382fd96bf7a806f7a79800ba3233a00b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eecbfb0d319fe8b49f21fa00ea97ba07382fd96bf7a806f7a79800ba3233a00b", kill_on_drop: false }` [INFO] [stdout] eecbfb0d319fe8b49f21fa00ea97ba07382fd96bf7a806f7a79800ba3233a00b