[INFO] cloning repository https://github.com/alexvesey/fizzbuzz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexvesey/fizzbuzz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexvesey%2Ffizzbuzz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexvesey%2Ffizzbuzz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 61ed2f4d9d924b1655628d6886b7597f5ff92d29
[INFO] testing alexvesey/fizzbuzz 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%2Falexvesey%2Ffizzbuzz" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexvesey/fizzbuzz 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/alexvesey/fizzbuzz
[INFO] finished tweaking git repo https://github.com/alexvesey/fizzbuzz
[INFO] tweaked toml for git repo https://github.com/alexvesey/fizzbuzz written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/alexvesey/fizzbuzz 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] ee8d9db6001bc82341ca9ce99d1cf3e82a89237ac2e21db3b89c2e013915d4fe
[INFO] running `Command { std: "docker" "start" "-a" "ee8d9db6001bc82341ca9ce99d1cf3e82a89237ac2e21db3b89c2e013915d4fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee8d9db6001bc82341ca9ce99d1cf3e82a89237ac2e21db3b89c2e013915d4fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee8d9db6001bc82341ca9ce99d1cf3e82a89237ac2e21db3b89c2e013915d4fe", kill_on_drop: false }`
[INFO] [stdout] ee8d9db6001bc82341ca9ce99d1cf3e82a89237ac2e21db3b89c2e013915d4fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 58bcd35d428ecf08cff3be9dc602e3b544b23a1263bb7ffd9572acb6e1e2ca5d
[INFO] running `Command { std: "docker" "start" "-a" "58bcd35d428ecf08cff3be9dc602e3b544b23a1263bb7ffd9572acb6e1e2ca5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling fizzbuzz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]  --> src/main.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |         if ( i % 3 == 0) { output += "Fizz"}
[INFO] [stdout]   |            ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]  --> src/main.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |         if ( i % 5 == 0) { output += "Buzz"}
[INFO] [stdout]   |            ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]  --> src/main.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |         if (output == "") {output += &i.to_string()}
[INFO] [stdout]   |            ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "58bcd35d428ecf08cff3be9dc602e3b544b23a1263bb7ffd9572acb6e1e2ca5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58bcd35d428ecf08cff3be9dc602e3b544b23a1263bb7ffd9572acb6e1e2ca5d", kill_on_drop: false }`
[INFO] [stdout] 58bcd35d428ecf08cff3be9dc602e3b544b23a1263bb7ffd9572acb6e1e2ca5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 55587202e83cb6fab8a284b25442d5d06ab98e94ee1d285feb3df674002b4de3
[INFO] running `Command { std: "docker" "start" "-a" "55587202e83cb6fab8a284b25442d5d06ab98e94ee1d285feb3df674002b4de3", kill_on_drop: false }`
[INFO] [stderr]    Compiling fizzbuzz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]  --> src/main.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |         if ( i % 3 == 0) { output += "Fizz"}
[INFO] [stdout]   |            ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]  --> src/main.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |         if ( i % 5 == 0) { output += "Buzz"}
[INFO] [stdout]   |            ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]  --> src/main.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |         if (output == "") {output += &i.to_string()}
[INFO] [stdout]   |            ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "55587202e83cb6fab8a284b25442d5d06ab98e94ee1d285feb3df674002b4de3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55587202e83cb6fab8a284b25442d5d06ab98e94ee1d285feb3df674002b4de3", kill_on_drop: false }`
[INFO] [stdout] 55587202e83cb6fab8a284b25442d5d06ab98e94ee1d285feb3df674002b4de3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 3afc07aebd01e02eb5f6d20f56cf6e4af59c5ae9c50a88eaf71a53dad192f82e
[INFO] running `Command { std: "docker" "start" "-a" "3afc07aebd01e02eb5f6d20f56cf6e4af59c5ae9c50a88eaf71a53dad192f82e", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]  --> src/main.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 |         if ( i % 3 == 0) { output += "Fizz"}
[INFO] [stderr]   |            ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]  --> src/main.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 |         if ( i % 5 == 0) { output += "Buzz"}
[INFO] [stderr]   |            ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]  --> src/main.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 |         if (output == "") {output += &i.to_string()}
[INFO] [stderr]   |            ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: `fizzbuzz` (bin "fizzbuzz" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fizzbuzz-ffcaab2c0e846331)
[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" "3afc07aebd01e02eb5f6d20f56cf6e4af59c5ae9c50a88eaf71a53dad192f82e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3afc07aebd01e02eb5f6d20f56cf6e4af59c5ae9c50a88eaf71a53dad192f82e", kill_on_drop: false }`
[INFO] [stdout] 3afc07aebd01e02eb5f6d20f56cf6e4af59c5ae9c50a88eaf71a53dad192f82e