[INFO] cloning repository https://github.com/SherllyNeo/rust_gol [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SherllyNeo/rust_gol" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSherllyNeo%2Frust_gol", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSherllyNeo%2Frust_gol'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bb1f807e683eb31198f5589295545991ffeba4db [INFO] building SherllyNeo/rust_gol 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%2FSherllyNeo%2Frust_gol" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/SherllyNeo/rust_gol 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/SherllyNeo/rust_gol [INFO] finished tweaking git repo https://github.com/SherllyNeo/rust_gol [INFO] tweaked toml for git repo https://github.com/SherllyNeo/rust_gol written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/SherllyNeo/rust_gol 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded string_morph v0.1.0 [INFO] [stderr] Downloaded unicode_types v0.2.0 [INFO] [stderr] Downloaded matrix_display v1.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e1863bdac16cdbe7f73d391ad3693c26542a46ead742ac143e620ca791876b1d [INFO] running `Command { std: "docker" "start" "-a" "e1863bdac16cdbe7f73d391ad3693c26542a46ead742ac143e620ca791876b1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e1863bdac16cdbe7f73d391ad3693c26542a46ead742ac143e620ca791876b1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1863bdac16cdbe7f73d391ad3693c26542a46ead742ac143e620ca791876b1d", kill_on_drop: false }` [INFO] [stdout] e1863bdac16cdbe7f73d391ad3693c26542a46ead742ac143e620ca791876b1d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -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] 36b37c57cd1a21498c45fe64df8e510116d5eb56f2d143f40101c82a20879a0a [INFO] running `Command { std: "docker" "start" "-a" "36b37c57cd1a21498c45fe64df8e510116d5eb56f2d143f40101c82a20879a0a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Compiling string_morph v0.1.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling unicode-width v0.1.10 [INFO] [stderr] Compiling unicode_types v0.2.0 [INFO] [stderr] Compiling getrandom v0.2.8 [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 matrix_display v1.0.0 [INFO] [stderr] Compiling rust_gol v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:59:61 [INFO] [stdout] | [INFO] [stdout] 59 | let bg_flat_str = bg_flat.into_iter().enumerate().map(|(i,x)| { x.to_string()}).collect::>(); [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: value assigned to `ansi_bg` is never read [INFO] [stdout] --> src/main.rs:65:17 [INFO] [stdout] | [INFO] [stdout] 65 | let mut ansi_bg = 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: unused variable: `i` [INFO] [stdout] --> src/main.rs:63:12 [INFO] [stdout] | [INFO] [stdout] 63 | .map(|(i, x)| { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | let mut display = MatrixDisplay::new(&format, &mut data); [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/main.rs:88:10 [INFO] [stdout] | [INFO] [stdout] 88 | for (i, row) in board_grid.iter_mut().enumerate() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/main.rs:89:14 [INFO] [stdout] | [INFO] [stdout] 89 | for (y, col) in row.iter_mut().enumerate() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `gens` should have an upper case name [INFO] [stdout] --> src/main.rs:83:11 [INFO] [stdout] | [INFO] [stdout] 83 | const gens: u8 = 20; [INFO] [stdout] | ^^^^ help: convert the identifier to upper case: `GENS` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.28s [INFO] running `Command { std: "docker" "inspect" "36b37c57cd1a21498c45fe64df8e510116d5eb56f2d143f40101c82a20879a0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "36b37c57cd1a21498c45fe64df8e510116d5eb56f2d143f40101c82a20879a0a", kill_on_drop: false }` [INFO] [stdout] 36b37c57cd1a21498c45fe64df8e510116d5eb56f2d143f40101c82a20879a0a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -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] 4af88d2c18867ecd5392423ee0588e6e18007a2289df1f916c49ebb5e92e756e [INFO] running `Command { std: "docker" "start" "-a" "4af88d2c18867ecd5392423ee0588e6e18007a2289df1f916c49ebb5e92e756e", kill_on_drop: false }` [INFO] [stderr] Compiling rust_gol v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:59:61 [INFO] [stdout] | [INFO] [stdout] 59 | let bg_flat_str = bg_flat.into_iter().enumerate().map(|(i,x)| { x.to_string()}).collect::>(); [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: value assigned to `ansi_bg` is never read [INFO] [stdout] --> src/main.rs:65:17 [INFO] [stdout] | [INFO] [stdout] 65 | let mut ansi_bg = 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: unused variable: `i` [INFO] [stdout] --> src/main.rs:63:12 [INFO] [stdout] | [INFO] [stdout] 63 | .map(|(i, x)| { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | let mut display = MatrixDisplay::new(&format, &mut data); [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/main.rs:88:10 [INFO] [stdout] | [INFO] [stdout] 88 | for (i, row) in board_grid.iter_mut().enumerate() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/main.rs:89:14 [INFO] [stdout] | [INFO] [stdout] 89 | for (y, col) in row.iter_mut().enumerate() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `gens` should have an upper case name [INFO] [stdout] --> src/main.rs:83:11 [INFO] [stdout] | [INFO] [stdout] 83 | const gens: u8 = 20; [INFO] [stdout] | ^^^^ help: convert the identifier to upper case: `GENS` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s [INFO] running `Command { std: "docker" "inspect" "4af88d2c18867ecd5392423ee0588e6e18007a2289df1f916c49ebb5e92e756e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4af88d2c18867ecd5392423ee0588e6e18007a2289df1f916c49ebb5e92e756e", kill_on_drop: false }` [INFO] [stdout] 4af88d2c18867ecd5392423ee0588e6e18007a2289df1f916c49ebb5e92e756e