[INFO] fetching crate vowels_detector 0.1.0...
[INFO] checking vowels_detector-0.1.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate vowels_detector 0.1.0 into /workspace/builds/worker-67/source
[INFO] validating manifest of crates.io crate vowels_detector 0.1.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vowels_detector 0.1.0
[INFO] finished tweaking crates.io crate vowels_detector 0.1.0
[INFO] tweaked toml for crates.io crate vowels_detector 0.1.0 written to /workspace/builds/worker-67/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8eeeaff0f7e49687ae68deff39551f3fe8bd27aa5b549f9a4a70ca33bc8703c
[INFO] running `Command { std: "docker" "start" "-a" "b8eeeaff0f7e49687ae68deff39551f3fe8bd27aa5b549f9a4a70ca33bc8703c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8eeeaff0f7e49687ae68deff39551f3fe8bd27aa5b549f9a4a70ca33bc8703c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8eeeaff0f7e49687ae68deff39551f3fe8bd27aa5b549f9a4a70ca33bc8703c", kill_on_drop: false }`
[INFO] [stdout] b8eeeaff0f7e49687ae68deff39551f3fe8bd27aa5b549f9a4a70ca33bc8703c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40603ed7b81620cc27ca5061686d9a48621e923ace60692322f4c9a90043b5e8
[INFO] running `Command { std: "docker" "start" "-a" "40603ed7b81620cc27ca5061686d9a48621e923ace60692322f4c9a90043b5e8", kill_on_drop: false }`
[INFO] [stderr]     Checking vowels_detector v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]  --> src/lib.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 |     if(i == 'a' || i == 'e' || i == 'i' || i == 'o' || i == 'u'){
[INFO] [stdout]   |       ^                                                        ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 6 -     if(i == 'a' || i == 'e' || i == 'i' || i == 'o' || i == 'u'){
[INFO] [stdout] 6 +     if i == 'a' || i == 'e' || i == 'i' || i == 'o' || i == 'u' {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]  --> src/lib.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 |     if(i == 'a' || i == 'e' || i == 'i' || i == 'o' || i == 'u'){
[INFO] [stdout]   |       ^                                                        ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 6 -     if(i == 'a' || i == 'e' || i == 'i' || i == 'o' || i == 'u'){
[INFO] [stdout] 6 +     if i == 'a' || i == 'e' || i == 'i' || i == 'o' || i == 'u' {
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "40603ed7b81620cc27ca5061686d9a48621e923ace60692322f4c9a90043b5e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40603ed7b81620cc27ca5061686d9a48621e923ace60692322f4c9a90043b5e8", kill_on_drop: false }`
[INFO] [stdout] 40603ed7b81620cc27ca5061686d9a48621e923ace60692322f4c9a90043b5e8