[INFO] cloning repository https://github.com/hpbyte/rust_dna
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hpbyte/rust_dna" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhpbyte%2Frust_dna", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhpbyte%2Frust_dna'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3154d58c0d5bd840a0dccc46b3d16fa9642e3248
[INFO] building hpbyte/rust_dna against master#f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9 for pr-137044-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhpbyte%2Frust_dna" "/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/hpbyte/rust_dna on toolchain f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hpbyte/rust_dna
[INFO] finished tweaking git repo https://github.com/hpbyte/rust_dna
[INFO] tweaked toml for git repo https://github.com/hpbyte/rust_dna written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/hpbyte/rust_dna 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" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "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-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd16c350f1404ea999ae20424ed1b98bfb14c8f099ef1a6a8a0a99796bc20d62
[INFO] running `Command { std: "docker" "start" "-a" "dd16c350f1404ea999ae20424ed1b98bfb14c8f099ef1a6a8a0a99796bc20d62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd16c350f1404ea999ae20424ed1b98bfb14c8f099ef1a6a8a0a99796bc20d62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd16c350f1404ea999ae20424ed1b98bfb14c8f099ef1a6a8a0a99796bc20d62", kill_on_drop: false }`
[INFO] [stdout] dd16c350f1404ea999ae20424ed1b98bfb14c8f099ef1a6a8a0a99796bc20d62
[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" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc43338138bff738dd7c18563658bd5eca82fb22afad2e05fe679d0dd2f311bb
[INFO] running `Command { std: "docker" "start" "-a" "bc43338138bff738dd7c18563658bd5eca82fb22afad2e05fe679d0dd2f311bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_dna v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/problems/find_pivot_index/mod.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |         if (left_sum == right_sum) {
[INFO] [stdout]    |            ^                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 12 -         if (left_sum == right_sum) {
[INFO] [stdout] 12 +         if left_sum == right_sum {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "bc43338138bff738dd7c18563658bd5eca82fb22afad2e05fe679d0dd2f311bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc43338138bff738dd7c18563658bd5eca82fb22afad2e05fe679d0dd2f311bb", kill_on_drop: false }`
[INFO] [stdout] bc43338138bff738dd7c18563658bd5eca82fb22afad2e05fe679d0dd2f311bb
[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" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a854131179d74c62bc15dbd6ac893087d6d428c10ebc2463925e9290f46370cd
[INFO] running `Command { std: "docker" "start" "-a" "a854131179d74c62bc15dbd6ac893087d6d428c10ebc2463925e9290f46370cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_dna v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/problems/find_pivot_index/mod.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |         if (left_sum == right_sum) {
[INFO] [stdout]    |            ^                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 12 -         if (left_sum == right_sum) {
[INFO] [stdout] 12 +         if left_sum == right_sum {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/problems/find_pivot_index/mod.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |         if (left_sum == right_sum) {
[INFO] [stdout]    |            ^                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 12 -         if (left_sum == right_sum) {
[INFO] [stdout] 12 +         if left_sum == right_sum {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "a854131179d74c62bc15dbd6ac893087d6d428c10ebc2463925e9290f46370cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a854131179d74c62bc15dbd6ac893087d6d428c10ebc2463925e9290f46370cd", kill_on_drop: false }`
[INFO] [stdout] a854131179d74c62bc15dbd6ac893087d6d428c10ebc2463925e9290f46370cd