[INFO] cloning repository https://github.com/MitchellHayen/MidTerm210 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MitchellHayen/MidTerm210" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMitchellHayen%2FMidTerm210", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMitchellHayen%2FMidTerm210'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ee9083385587ddf9f4aa5569e18ff3b800c86362 [INFO] building MitchellHayen/MidTerm210 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%2FMitchellHayen%2FMidTerm210" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MitchellHayen/MidTerm210 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/MitchellHayen/MidTerm210 [INFO] finished tweaking git repo https://github.com/MitchellHayen/MidTerm210 [INFO] tweaked toml for git repo https://github.com/MitchellHayen/MidTerm210 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/MitchellHayen/MidTerm210 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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] bb753f8c0fe55da0b8132eb87ed5c23909fb609ae374bf2c2f6e2cc6b7b91e1c [INFO] running `Command { std: "docker" "start" "-a" "bb753f8c0fe55da0b8132eb87ed5c23909fb609ae374bf2c2f6e2cc6b7b91e1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bb753f8c0fe55da0b8132eb87ed5c23909fb609ae374bf2c2f6e2cc6b7b91e1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb753f8c0fe55da0b8132eb87ed5c23909fb609ae374bf2c2f6e2cc6b7b91e1c", kill_on_drop: false }` [INFO] [stdout] bb753f8c0fe55da0b8132eb87ed5c23909fb609ae374bf2c2f6e2cc6b7b91e1c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4be8b11bfd935691c11b5bfa27e3a8cea25ac76539322cd9742954cf9d08931b [INFO] running `Command { std: "docker" "start" "-a" "4be8b11bfd935691c11b5bfa27e3a8cea25ac76539322cd9742954cf9d08931b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.135 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling MidTerm210 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `row` is never read [INFO] [stdout] --> src/main.rs:67:25 [INFO] [stdout] | [INFO] [stdout] 67 | let mut row = rng.gen_range(0, 4); [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: value assigned to `column` is never read [INFO] [stdout] --> src/main.rs:68:25 [INFO] [stdout] | [INFO] [stdout] 68 | let mut column = rng.gen_range(0, 4); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `row` is never read [INFO] [stdout] --> src/main.rs:89:21 [INFO] [stdout] | [INFO] [stdout] 89 | let mut row = rng.gen_range(0, 4); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `column` is never read [INFO] [stdout] --> src/main.rs:90:21 [INFO] [stdout] | [INFO] [stdout] 90 | let mut column = rng.gen_range(0, 4); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `row` is never read [INFO] [stdout] --> src/main.rs:110:25 [INFO] [stdout] | [INFO] [stdout] 110 | let mut row = rng.gen_range(0, 4); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `column` is never read [INFO] [stdout] --> src/main.rs:111:25 [INFO] [stdout] | [INFO] [stdout] 111 | let mut column = rng.gen_range(0, 4); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value captured by `temp_character` is never read [INFO] [stdout] --> src/main.rs:152:25 [INFO] [stdout] | [INFO] [stdout] 152 | temp_character = character_move(character); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: did you mean to capture by reference instead? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:151:29 [INFO] [stdout] | [INFO] [stdout] 151 | let mut grid1 = grid.lock().unwrap(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let mut gold1 :(i8,i8,char,i8,i8,bool) = (3,0,'G',3,0,false); [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/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let mut gold2 :(i8,i8,char,i8,i8,bool) = (0,2,'G',0,2,false); [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/main.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | let mut character_array_clone = characterArray.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/main.rs:72:25 [INFO] [stdout] | [INFO] [stdout] 72 | let mut grid1 = grid.lock().unwrap(); [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/main.rs:114:25 [INFO] [stdout] | [INFO] [stdout] 114 | let mut grid1 = grid.lock().unwrap(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `characterArray` should have a snake case name [INFO] [stdout] --> src/main.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | let mut characterArray = vec![]; [INFO] [stdout] | ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `character_array` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `tempCharacterArray` should have a snake case name [INFO] [stdout] --> src/main.rs:134:17 [INFO] [stdout] | [INFO] [stdout] 134 | let mut tempCharacterArray = vec![]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `temp_character_array` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.29s [INFO] running `Command { std: "docker" "inspect" "4be8b11bfd935691c11b5bfa27e3a8cea25ac76539322cd9742954cf9d08931b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4be8b11bfd935691c11b5bfa27e3a8cea25ac76539322cd9742954cf9d08931b", kill_on_drop: false }` [INFO] [stdout] 4be8b11bfd935691c11b5bfa27e3a8cea25ac76539322cd9742954cf9d08931b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6d095f65c0623cccc8a4934710733b012905935a7466516326f7346db489d75f [INFO] running `Command { std: "docker" "start" "-a" "6d095f65c0623cccc8a4934710733b012905935a7466516326f7346db489d75f", kill_on_drop: false }` [INFO] [stderr] Compiling MidTerm210 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `row` is never read [INFO] [stdout] --> src/main.rs:67:25 [INFO] [stdout] | [INFO] [stdout] 67 | let mut row = rng.gen_range(0, 4); [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: value assigned to `column` is never read [INFO] [stdout] --> src/main.rs:68:25 [INFO] [stdout] | [INFO] [stdout] 68 | let mut column = rng.gen_range(0, 4); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `row` is never read [INFO] [stdout] --> src/main.rs:89:21 [INFO] [stdout] | [INFO] [stdout] 89 | let mut row = rng.gen_range(0, 4); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `column` is never read [INFO] [stdout] --> src/main.rs:90:21 [INFO] [stdout] | [INFO] [stdout] 90 | let mut column = rng.gen_range(0, 4); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `row` is never read [INFO] [stdout] --> src/main.rs:110:25 [INFO] [stdout] | [INFO] [stdout] 110 | let mut row = rng.gen_range(0, 4); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `column` is never read [INFO] [stdout] --> src/main.rs:111:25 [INFO] [stdout] | [INFO] [stdout] 111 | let mut column = rng.gen_range(0, 4); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value captured by `temp_character` is never read [INFO] [stdout] --> src/main.rs:152:25 [INFO] [stdout] | [INFO] [stdout] 152 | temp_character = character_move(character); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: did you mean to capture by reference instead? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:151:29 [INFO] [stdout] | [INFO] [stdout] 151 | let mut grid1 = grid.lock().unwrap(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let mut gold1 :(i8,i8,char,i8,i8,bool) = (3,0,'G',3,0,false); [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/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let mut gold2 :(i8,i8,char,i8,i8,bool) = (0,2,'G',0,2,false); [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/main.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | let mut character_array_clone = characterArray.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/main.rs:72:25 [INFO] [stdout] | [INFO] [stdout] 72 | let mut grid1 = grid.lock().unwrap(); [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/main.rs:114:25 [INFO] [stdout] | [INFO] [stdout] 114 | let mut grid1 = grid.lock().unwrap(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `characterArray` should have a snake case name [INFO] [stdout] --> src/main.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | let mut characterArray = vec![]; [INFO] [stdout] | ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `character_array` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `tempCharacterArray` should have a snake case name [INFO] [stdout] --> src/main.rs:134:17 [INFO] [stdout] | [INFO] [stdout] 134 | let mut tempCharacterArray = vec![]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `temp_character_array` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s [INFO] running `Command { std: "docker" "inspect" "6d095f65c0623cccc8a4934710733b012905935a7466516326f7346db489d75f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6d095f65c0623cccc8a4934710733b012905935a7466516326f7346db489d75f", kill_on_drop: false }` [INFO] [stdout] 6d095f65c0623cccc8a4934710733b012905935a7466516326f7346db489d75f