[INFO] cloning repository https://github.com/yendenikhil/project-euler-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yendenikhil/project-euler-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyendenikhil%2Fproject-euler-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyendenikhil%2Fproject-euler-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d58b8710fa19bdf146127cc43c3588ae7541e47b
[INFO] checking yendenikhil/project-euler-rust against master#9c67cecd12d79f1bbc00a74f70e7ef9fff086a5a for pr-138458
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyendenikhil%2Fproject-euler-rust" "/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/yendenikhil/project-euler-rust on toolchain 9c67cecd12d79f1bbc00a74f70e7ef9fff086a5a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c67cecd12d79f1bbc00a74f70e7ef9fff086a5a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yendenikhil/project-euler-rust
[INFO] finished tweaking git repo https://github.com/yendenikhil/project-euler-rust
[INFO] tweaked toml for git repo https://github.com/yendenikhil/project-euler-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/yendenikhil/project-euler-rust 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" "+9c67cecd12d79f1bbc00a74f70e7ef9fff086a5a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+9c67cecd12d79f1bbc00a74f70e7ef9fff086a5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc15b8bc695d38968028b492c640104ac26b2c925bfe21926d6e75b5b95da883
[INFO] running `Command { std: "docker" "start" "-a" "fc15b8bc695d38968028b492c640104ac26b2c925bfe21926d6e75b5b95da883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc15b8bc695d38968028b492c640104ac26b2c925bfe21926d6e75b5b95da883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc15b8bc695d38968028b492c640104ac26b2c925bfe21926d6e75b5b95da883", kill_on_drop: false }`
[INFO] [stdout] fc15b8bc695d38968028b492c640104ac26b2c925bfe21926d6e75b5b95da883
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+9c67cecd12d79f1bbc00a74f70e7ef9fff086a5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 896364fc83c0ac3d1d6d8f5f232c87aa658d6a8aae1dfffa77c483d5c7c13df9
[INFO] running `Command { std: "docker" "start" "-a" "896364fc83c0ac3d1d6d8f5f232c87aa658d6a8aae1dfffa77c483d5c7c13df9", kill_on_drop: false }`
[INFO] [stderr]     Checking euler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/p50.rs:35:28
[INFO] [stdout]    |
[INFO] [stdout] 35 |         for (j, y) in sums[(i + 1..)].iter().enumerate() {
[INFO] [stdout]    |                            ^       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 35 -         for (j, y) in sums[(i + 1..)].iter().enumerate() {
[INFO] [stdout] 35 +         for (j, y) in sums[i + 1..].iter().enumerate() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]   --> src/p50.rs:35:28
[INFO] [stdout]    |
[INFO] [stdout] 35 |         for (j, y) in sums[(i + 1..)].iter().enumerate() {
[INFO] [stdout]    |                            ^       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 35 -         for (j, y) in sums[(i + 1..)].iter().enumerate() {
[INFO] [stdout] 35 +         for (j, y) in sums[i + 1..].iter().enumerate() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "896364fc83c0ac3d1d6d8f5f232c87aa658d6a8aae1dfffa77c483d5c7c13df9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "896364fc83c0ac3d1d6d8f5f232c87aa658d6a8aae1dfffa77c483d5c7c13df9", kill_on_drop: false }`
[INFO] [stdout] 896364fc83c0ac3d1d6d8f5f232c87aa658d6a8aae1dfffa77c483d5c7c13df9