[INFO] cloning repository https://github.com/manthanabc/pig_latin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/manthanabc/pig_latin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanthanabc%2Fpig_latin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanthanabc%2Fpig_latin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c2f9e8814d99fb31b9d44a1b76f2f59e73a3300
[INFO] testing manthanabc/pig_latin against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanthanabc%2Fpig_latin" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/manthanabc/pig_latin on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/manthanabc/pig_latin
[INFO] finished tweaking git repo https://github.com/manthanabc/pig_latin
[INFO] tweaked toml for git repo https://github.com/manthanabc/pig_latin written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/manthanabc/pig_latin already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 719d194cdd4268442bb7c30e92830bb10e80ec84f797610cf0611764814d7dd4
[INFO] running `Command { std: "docker" "start" "-a" "719d194cdd4268442bb7c30e92830bb10e80ec84f797610cf0611764814d7dd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "719d194cdd4268442bb7c30e92830bb10e80ec84f797610cf0611764814d7dd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "719d194cdd4268442bb7c30e92830bb10e80ec84f797610cf0611764814d7dd4", kill_on_drop: false }`
[INFO] [stdout] 719d194cdd4268442bb7c30e92830bb10e80ec84f797610cf0611764814d7dd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c63ac7158aa98bacc1f7804564038f612ccfb6ba65e966b59ceb0678ab107052
[INFO] running `Command { std: "docker" "start" "-a" "c63ac7158aa98bacc1f7804564038f612ccfb6ba65e966b59ceb0678ab107052", kill_on_drop: false }`
[INFO] [stderr]    Compiling pig_latin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 |             if (last == 'a' || last == 'e' ||last == 'i' ||last == 'o' ||last == 'u') {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]   --> src/main.rs:46:22
[INFO] [stdout]    |
[INFO] [stdout] 46 |                  None => panic!("{:?}", ),
[INFO] [stdout]    |                                  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]    |
[INFO] [stdout] 46 |                  None => panic!("{:?}", ..., ),
[INFO] [stdout]    |                                       +++++
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 46 |                  None => panic!("{}", "{:?}", ),
[INFO] [stdout]    |                                 +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "c63ac7158aa98bacc1f7804564038f612ccfb6ba65e966b59ceb0678ab107052", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c63ac7158aa98bacc1f7804564038f612ccfb6ba65e966b59ceb0678ab107052", kill_on_drop: false }`
[INFO] [stdout] c63ac7158aa98bacc1f7804564038f612ccfb6ba65e966b59ceb0678ab107052
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba2d1d839824cf26cd1d31dc7826ba6d32f256d3a5c6a638fd696d69dd71aa59
[INFO] running `Command { std: "docker" "start" "-a" "ba2d1d839824cf26cd1d31dc7826ba6d32f256d3a5c6a638fd696d69dd71aa59", kill_on_drop: false }`
[INFO] [stderr]    Compiling pig_latin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 |             if (last == 'a' || last == 'e' ||last == 'i' ||last == 'o' ||last == 'u') {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]   --> src/main.rs:46:22
[INFO] [stdout]    |
[INFO] [stdout] 46 |                  None => panic!("{:?}", ),
[INFO] [stdout]    |                                  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]    |
[INFO] [stdout] 46 |                  None => panic!("{:?}", ..., ),
[INFO] [stdout]    |                                       +++++
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 46 |                  None => panic!("{}", "{:?}", ),
[INFO] [stdout]    |                                 +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ba2d1d839824cf26cd1d31dc7826ba6d32f256d3a5c6a638fd696d69dd71aa59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba2d1d839824cf26cd1d31dc7826ba6d32f256d3a5c6a638fd696d69dd71aa59", kill_on_drop: false }`
[INFO] [stdout] ba2d1d839824cf26cd1d31dc7826ba6d32f256d3a5c6a638fd696d69dd71aa59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 409d4a62f84e0793f5d2a9b9781dcbf6950013b6f5ee30845cd4f62dca22cf95
[INFO] running `Command { std: "docker" "start" "-a" "409d4a62f84e0793f5d2a9b9781dcbf6950013b6f5ee30845cd4f62dca22cf95", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/main.rs:14:7
[INFO] [stderr]    |
[INFO] [stderr] 14 |             if (last == 'a' || last == 'e' ||last == 'i' ||last == 'o' ||last == 'u') {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]   --> src/main.rs:46:22
[INFO] [stderr]    |
[INFO] [stderr] 46 |                  None => panic!("{:?}", ),
[INFO] [stderr]    |                                  ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]    = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]    |
[INFO] [stderr] 46 |                  None => panic!("{:?}", ..., ),
[INFO] [stderr]    |                                       +++++
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]    |
[INFO] [stderr] 46 |                  None => panic!("{}", "{:?}", ),
[INFO] [stderr]    |                                 +++++
[INFO] [stderr] 
[INFO] [stderr] warning: `pig_latin` (bin "pig_latin" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pig_latin-1db8d8e08fc6205f)
[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" "409d4a62f84e0793f5d2a9b9781dcbf6950013b6f5ee30845cd4f62dca22cf95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "409d4a62f84e0793f5d2a9b9781dcbf6950013b6f5ee30845cd4f62dca22cf95", kill_on_drop: false }`
[INFO] [stdout] 409d4a62f84e0793f5d2a9b9781dcbf6950013b6f5ee30845cd4f62dca22cf95