[INFO] cloning repository https://github.com/SpycWolf/rust-life_game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SpycWolf/rust-life_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpycWolf%2Frust-life_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpycWolf%2Frust-life_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 25bcb2456a1f07ee7e1a515468382bb2015f51f8
[INFO] testing SpycWolf/rust-life_game against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpycWolf%2Frust-life_game" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SpycWolf/rust-life_game on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SpycWolf/rust-life_game
[INFO] finished tweaking git repo https://github.com/SpycWolf/rust-life_game
[INFO] tweaked toml for git repo https://github.com/SpycWolf/rust-life_game written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/SpycWolf/rust-life_game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba7521e619d4273014cc4b1c388836ce48b9ff9f61619d7d9816a6dbcabc8d0e
[INFO] running `Command { std: "docker" "start" "-a" "ba7521e619d4273014cc4b1c388836ce48b9ff9f61619d7d9816a6dbcabc8d0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba7521e619d4273014cc4b1c388836ce48b9ff9f61619d7d9816a6dbcabc8d0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba7521e619d4273014cc4b1c388836ce48b9ff9f61619d7d9816a6dbcabc8d0e", kill_on_drop: false }`
[INFO] [stdout] ba7521e619d4273014cc4b1c388836ce48b9ff9f61619d7d9816a6dbcabc8d0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8390858d8ab59f66386dc8d007249c4e9a6343768397ad3503874ca01332e34c
[INFO] running `Command { std: "docker" "start" "-a" "8390858d8ab59f66386dc8d007249c4e9a6343768397ad3503874ca01332e34c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.23
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling rustlife v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/main.rs:16:18
[INFO] [stdout]    |
[INFO] [stdout] 16 |         for _ in (0..(w*h)) {
[INFO] [stdout]    |                  ^        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 16 -         for _ in (0..(w*h)) {
[INFO] [stdout] 16 +         for _ in 0..(w*h) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/main.rs:27:20
[INFO] [stdout]    |
[INFO] [stdout] 27 |         for idx in (0..(self.width * self.height)) {
[INFO] [stdout]    |                    ^                             ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 -         for idx in (0..(self.width * self.height)) {
[INFO] [stdout] 27 +         for idx in 0..(self.width * self.height) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/main.rs:79:20
[INFO] [stdout]    |
[INFO] [stdout] 79 |         for idx in (0..(self.width * self.height)) {
[INFO] [stdout]    |                    ^                             ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 79 -         for idx in (0..(self.width * self.height)) {
[INFO] [stdout] 79 +         for idx in 0..(self.width * self.height) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/main.rs:95:14
[INFO] [stdout]    |
[INFO] [stdout] 95 |     for _ in (0..100) {
[INFO] [stdout]    |              ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 95 -     for _ in (0..100) {
[INFO] [stdout] 95 +     for _ in 0..100 {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.79s
[INFO] running `Command { std: "docker" "inspect" "8390858d8ab59f66386dc8d007249c4e9a6343768397ad3503874ca01332e34c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8390858d8ab59f66386dc8d007249c4e9a6343768397ad3503874ca01332e34c", kill_on_drop: false }`
[INFO] [stdout] 8390858d8ab59f66386dc8d007249c4e9a6343768397ad3503874ca01332e34c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e134a36fa08a060037c59cb8043211b8e1b2c5da096dfc58bca2eedb8904d2c
[INFO] running `Command { std: "docker" "start" "-a" "1e134a36fa08a060037c59cb8043211b8e1b2c5da096dfc58bca2eedb8904d2c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustlife v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/main.rs:16:18
[INFO] [stdout]    |
[INFO] [stdout] 16 |         for _ in (0..(w*h)) {
[INFO] [stdout]    |                  ^        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 16 -         for _ in (0..(w*h)) {
[INFO] [stdout] 16 +         for _ in 0..(w*h) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/main.rs:27:20
[INFO] [stdout]    |
[INFO] [stdout] 27 |         for idx in (0..(self.width * self.height)) {
[INFO] [stdout]    |                    ^                             ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 -         for idx in (0..(self.width * self.height)) {
[INFO] [stdout] 27 +         for idx in 0..(self.width * self.height) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/main.rs:79:20
[INFO] [stdout]    |
[INFO] [stdout] 79 |         for idx in (0..(self.width * self.height)) {
[INFO] [stdout]    |                    ^                             ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 79 -         for idx in (0..(self.width * self.height)) {
[INFO] [stdout] 79 +         for idx in 0..(self.width * self.height) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/main.rs:95:14
[INFO] [stdout]    |
[INFO] [stdout] 95 |     for _ in (0..100) {
[INFO] [stdout]    |              ^      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 95 -     for _ in (0..100) {
[INFO] [stdout] 95 +     for _ in 0..100 {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.55s
[INFO] running `Command { std: "docker" "inspect" "1e134a36fa08a060037c59cb8043211b8e1b2c5da096dfc58bca2eedb8904d2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e134a36fa08a060037c59cb8043211b8e1b2c5da096dfc58bca2eedb8904d2c", kill_on_drop: false }`
[INFO] [stdout] 1e134a36fa08a060037c59cb8043211b8e1b2c5da096dfc58bca2eedb8904d2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6e19267fb7ade119f8033bfb0ba3befe55c6bcff7493cc2ceb5630e1c664fd7d
[INFO] running `Command { std: "docker" "start" "-a" "6e19267fb7ade119f8033bfb0ba3befe55c6bcff7493cc2ceb5630e1c664fd7d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]   --> src/main.rs:16:18
[INFO] [stderr]    |
[INFO] [stderr] 16 |         for _ in (0..(w*h)) {
[INFO] [stderr]    |                  ^        ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 16 -         for _ in (0..(w*h)) {
[INFO] [stderr] 16 +         for _ in 0..(w*h) {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]   --> src/main.rs:27:20
[INFO] [stderr]    |
[INFO] [stderr] 27 |         for idx in (0..(self.width * self.height)) {
[INFO] [stderr]    |                    ^                             ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 27 -         for idx in (0..(self.width * self.height)) {
[INFO] [stderr] 27 +         for idx in 0..(self.width * self.height) {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]   --> src/main.rs:79:20
[INFO] [stderr]    |
[INFO] [stderr] 79 |         for idx in (0..(self.width * self.height)) {
[INFO] [stderr]    |                    ^                             ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 79 -         for idx in (0..(self.width * self.height)) {
[INFO] [stderr] 79 +         for idx in 0..(self.width * self.height) {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]   --> src/main.rs:95:14
[INFO] [stderr]    |
[INFO] [stderr] 95 |     for _ in (0..100) {
[INFO] [stderr]    |              ^      ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 95 -     for _ in (0..100) {
[INFO] [stderr] 95 +     for _ in 0..100 {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `rustlife` (bin "rustlife" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.69s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustlife-1e3ee235c2156894)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6e19267fb7ade119f8033bfb0ba3befe55c6bcff7493cc2ceb5630e1c664fd7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e19267fb7ade119f8033bfb0ba3befe55c6bcff7493cc2ceb5630e1c664fd7d", kill_on_drop: false }`
[INFO] [stdout] 6e19267fb7ade119f8033bfb0ba3befe55c6bcff7493cc2ceb5630e1c664fd7d