[INFO] fetching crate vowels_detector 0.1.0...
[INFO] testing vowels_detector-0.1.0 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate vowels_detector 0.1.0 into /workspace/builds/worker-6-tc2/source
[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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vowels_detector 0.1.0 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09a3bd4ecc1ce4dd0cb7a6e8a1319f376d23e894e594af7c750f9d0f5e8a4e56
[INFO] running `Command { std: "docker" "start" "-a" "09a3bd4ecc1ce4dd0cb7a6e8a1319f376d23e894e594af7c750f9d0f5e8a4e56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09a3bd4ecc1ce4dd0cb7a6e8a1319f376d23e894e594af7c750f9d0f5e8a4e56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09a3bd4ecc1ce4dd0cb7a6e8a1319f376d23e894e594af7c750f9d0f5e8a4e56", kill_on_drop: false }`
[INFO] [stdout] 09a3bd4ecc1ce4dd0cb7a6e8a1319f376d23e894e594af7c750f9d0f5e8a4e56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46e21a6f39440a769dc2743516d754c864865ef1524ecfb7fa4c21438eda95fd
[INFO] running `Command { std: "docker" "start" "-a" "46e21a6f39440a769dc2743516d754c864865ef1524ecfb7fa4c21438eda95fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "46e21a6f39440a769dc2743516d754c864865ef1524ecfb7fa4c21438eda95fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46e21a6f39440a769dc2743516d754c864865ef1524ecfb7fa4c21438eda95fd", kill_on_drop: false }`
[INFO] [stdout] 46e21a6f39440a769dc2743516d754c864865ef1524ecfb7fa4c21438eda95fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07a781dc7d7053ba1cefbb54fb39c7501514c3fb7eb3d3a878df25e7cfb5eaad
[INFO] running `Command { std: "docker" "start" "-a" "07a781dc7d7053ba1cefbb54fb39c7501514c3fb7eb3d3a878df25e7cfb5eaad", kill_on_drop: false }`
[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)]` (part of `#[warn(unused)]`) 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] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "07a781dc7d7053ba1cefbb54fb39c7501514c3fb7eb3d3a878df25e7cfb5eaad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07a781dc7d7053ba1cefbb54fb39c7501514c3fb7eb3d3a878df25e7cfb5eaad", kill_on_drop: false }`
[INFO] [stdout] 07a781dc7d7053ba1cefbb54fb39c7501514c3fb7eb3d3a878df25e7cfb5eaad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c3b7bcb247fd13139a3c8491195ee74e98cd40d12b041f5fa480805c45599860
[INFO] running `Command { std: "docker" "start" "-a" "c3b7bcb247fd13139a3c8491195ee74e98cd40d12b041f5fa480805c45599860", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]  --> src/lib.rs:6:7
[INFO] [stderr]   |
[INFO] [stderr] 6 |     if(i == 'a' || i == 'e' || i == 'i' || i == 'o' || i == 'u'){
[INFO] [stderr]   |       ^                                                        ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr] 6 -     if(i == 'a' || i == 'e' || i == 'i' || i == 'o' || i == 'u'){
[INFO] [stderr] 6 +     if i == 'a' || i == 'e' || i == 'i' || i == 'o' || i == 'u' {
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: `vowels_detector` (lib) generated 1 warning (run `cargo fix --lib -p vowels_detector` to apply 1 suggestion)
[INFO] [stderr] warning: `vowels_detector` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vowels_detector-1df2c63cc76fbdde)
[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] [stderr]    Doc-tests vowels_detector
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]  --> src/lib.rs:6:7
[INFO] [stderr]   |
[INFO] [stderr] 6 |     if(i == 'a' || i == 'e' || i == 'i' || i == 'o' || i == 'u'){
[INFO] [stderr]   |       ^                                                        ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr] 6 -     if(i == 'a' || i == 'e' || i == 'i' || i == 'o' || i == 'u'){
[INFO] [stderr] 6 +     if i == 'a' || i == 'e' || i == 'i' || i == 'o' || i == 'u' {
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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" "c3b7bcb247fd13139a3c8491195ee74e98cd40d12b041f5fa480805c45599860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3b7bcb247fd13139a3c8491195ee74e98cd40d12b041f5fa480805c45599860", kill_on_drop: false }`
[INFO] [stdout] c3b7bcb247fd13139a3c8491195ee74e98cd40d12b041f5fa480805c45599860
