[INFO] cloning repository https://github.com/ToF-/memory [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ToF-/memory" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FToF-%2Fmemory", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FToF-%2Fmemory'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c6d6c742a5c64fb0b9df7551e35fcc9305d3911d [INFO] building ToF-/memory against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FToF-%2Fmemory" "/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/ToF-/memory on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ToF-/memory [INFO] finished tweaking git repo https://github.com/ToF-/memory [INFO] tweaked toml for git repo https://github.com/ToF-/memory written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ToF-/memory 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 39483bfb3433da27804da1f1707018f3f7850c5bd6813d8ead3c25e8892fda6b [INFO] running `Command { std: "docker" "start" "-a" "39483bfb3433da27804da1f1707018f3f7850c5bd6813d8ead3c25e8892fda6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "39483bfb3433da27804da1f1707018f3f7850c5bd6813d8ead3c25e8892fda6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39483bfb3433da27804da1f1707018f3f7850c5bd6813d8ead3c25e8892fda6b", kill_on_drop: false }` [INFO] [stdout] 39483bfb3433da27804da1f1707018f3f7850c5bd6813d8ead3c25e8892fda6b [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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ff7143b6c0a5b78db70a3bbcb82db63ed98637ed23d6bc2ed9d04e8a708e8b7a [INFO] running `Command { std: "docker" "start" "-a" "ff7143b6c0a5b78db70a3bbcb82db63ed98637ed23d6bc2ed9d04e8a708e8b7a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.152 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling getrandom v0.2.12 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling memory v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/game_state.rs:45:13 [INFO] [stdout] | [INFO] [stdout] 45 | let mut values = self.tiles.as_mut_slice(); [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: enum `Status` is never used [INFO] [stdout] --> src/game_state.rs:5:6 [INFO] [stdout] | [INFO] [stdout] 5 | enum Status { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Game` is never constructed [INFO] [stdout] --> src/game_state.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | struct Game { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `initialize`, `shuffle`, `play`, `tile_at`, and `undiscovered` are never used [INFO] [stdout] --> src/game_state.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 22 | impl Game { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 23 | fn new() -> Game { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | fn initialize(&mut self) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | fn shuffle(&mut self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | fn play(&mut self, row0: u8, col0: u8, row1: u8, col1: u8) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 72 | fn tile_at(&self, row: u8, col: u8) -> u8 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 76 | fn undiscovered(&self) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `game_state` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use game_state; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.43s [INFO] running `Command { std: "docker" "inspect" "ff7143b6c0a5b78db70a3bbcb82db63ed98637ed23d6bc2ed9d04e8a708e8b7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff7143b6c0a5b78db70a3bbcb82db63ed98637ed23d6bc2ed9d04e8a708e8b7a", kill_on_drop: false }` [INFO] [stdout] ff7143b6c0a5b78db70a3bbcb82db63ed98637ed23d6bc2ed9d04e8a708e8b7a [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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7cbae8603d95aad315973db8b941b2dc91cbddee303941c32d240af97c82853b [INFO] running `Command { std: "docker" "start" "-a" "7cbae8603d95aad315973db8b941b2dc91cbddee303941c32d240af97c82853b", kill_on_drop: false }` [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/game_state.rs:45:13 [INFO] [stdout] | [INFO] [stdout] 45 | let mut values = self.tiles.as_mut_slice(); [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: enum `Status` is never used [INFO] [stdout] --> src/game_state.rs:5:6 [INFO] [stdout] | [INFO] [stdout] 5 | enum Status { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Game` is never constructed [INFO] [stdout] --> src/game_state.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | struct Game { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling memory v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated items `new`, `initialize`, `shuffle`, `play`, `tile_at`, and `undiscovered` are never used [INFO] [stdout] --> src/game_state.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 22 | impl Game { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] 23 | fn new() -> Game { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | fn initialize(&mut self) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | fn shuffle(&mut self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | fn play(&mut self, row0: u8, col0: u8, row1: u8, col1: u8) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 72 | fn tile_at(&self, row: u8, col: u8) -> u8 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 76 | fn undiscovered(&self) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `game_state` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use game_state; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/game_state.rs:45:13 [INFO] [stdout] | [INFO] [stdout] 45 | let mut values = self.tiles.as_mut_slice(); [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: function `test_initially_status_is_LeftToPlay` should have a snake case name [INFO] [stdout] --> src/game_state.rs:87:8 [INFO] [stdout] | [INFO] [stdout] 87 | fn test_initially_status_is_LeftToPlay() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_initially_status_is_left_to_play` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_after_left_move_status_is_RightToPlay` should have a snake case name [INFO] [stdout] --> src/game_state.rs:93:8 [INFO] [stdout] | [INFO] [stdout] 93 | fn test_after_left_move_status_is_RightToPlay() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_after_left_move_status_is_right_to_play` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_after_right_move_status_is_LeftToPlay` should have a snake case name [INFO] [stdout] --> src/game_state.rs:100:8 [INFO] [stdout] | [INFO] [stdout] 100 | fn test_after_right_move_status_is_LeftToPlay() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `test_after_right_move_status_is_left_to_play` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s [INFO] running `Command { std: "docker" "inspect" "7cbae8603d95aad315973db8b941b2dc91cbddee303941c32d240af97c82853b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7cbae8603d95aad315973db8b941b2dc91cbddee303941c32d240af97c82853b", kill_on_drop: false }` [INFO] [stdout] 7cbae8603d95aad315973db8b941b2dc91cbddee303941c32d240af97c82853b