[INFO] fetching crate vowels_detector 0.1.0...
[INFO] testing vowels_detector-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate vowels_detector 0.1.0 into /workspace/builds/worker-2-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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vowels_detector 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a2fe940c44a8c4f3f82661250a3221082cd69150824c58eaf974aeba8c0211e
[INFO] running `Command { std: "docker" "start" "-a" "5a2fe940c44a8c4f3f82661250a3221082cd69150824c58eaf974aeba8c0211e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a2fe940c44a8c4f3f82661250a3221082cd69150824c58eaf974aeba8c0211e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a2fe940c44a8c4f3f82661250a3221082cd69150824c58eaf974aeba8c0211e", kill_on_drop: false }`
[INFO] [stdout] 5a2fe940c44a8c4f3f82661250a3221082cd69150824c58eaf974aeba8c0211e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ceae9eb2c9bffec37b7e160145f00cb3c4b3d543788ca6710682d802c4f66e4a
[INFO] running `Command { std: "docker" "start" "-a" "ceae9eb2c9bffec37b7e160145f00cb3c4b3d543788ca6710682d802c4f66e4a", 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 0.11s
[INFO] running `Command { std: "docker" "inspect" "ceae9eb2c9bffec37b7e160145f00cb3c4b3d543788ca6710682d802c4f66e4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceae9eb2c9bffec37b7e160145f00cb3c4b3d543788ca6710682d802c4f66e4a", kill_on_drop: false }`
[INFO] [stdout] ceae9eb2c9bffec37b7e160145f00cb3c4b3d543788ca6710682d802c4f66e4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26a5288466e3884cbef2c2d01729c3f946edb6d661bf883f75c3855c8aab4540
[INFO] running `Command { std: "docker" "start" "-a" "26a5288466e3884cbef2c2d01729c3f946edb6d661bf883f75c3855c8aab4540", 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 0.23s
[INFO] running `Command { std: "docker" "inspect" "26a5288466e3884cbef2c2d01729c3f946edb6d661bf883f75c3855c8aab4540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26a5288466e3884cbef2c2d01729c3f946edb6d661bf883f75c3855c8aab4540", kill_on_drop: false }`
[INFO] [stdout] 26a5288466e3884cbef2c2d01729c3f946edb6d661bf883f75c3855c8aab4540
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 534d389fb99881c1d792d342819be5f84c520cfecf94b1092d45c3c320d53959
[INFO] running `Command { std: "docker" "start" "-a" "534d389fb99881c1d792d342819be5f84c520cfecf94b1092d45c3c320d53959", 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 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vowels_detector-82feee5f5ea828fe)
[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" "534d389fb99881c1d792d342819be5f84c520cfecf94b1092d45c3c320d53959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "534d389fb99881c1d792d342819be5f84c520cfecf94b1092d45c3c320d53959", kill_on_drop: false }`
[INFO] [stdout] 534d389fb99881c1d792d342819be5f84c520cfecf94b1092d45c3c320d53959