[INFO] cloning repository https://github.com/Farooq-azam-khan/rust-tdd-fizzbuzz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Farooq-azam-khan/rust-tdd-fizzbuzz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFarooq-azam-khan%2Frust-tdd-fizzbuzz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFarooq-azam-khan%2Frust-tdd-fizzbuzz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0eee95d31d9fb70d4c7a6be98fccd1d2a5988a6f
[INFO] testing Farooq-azam-khan/rust-tdd-fizzbuzz against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFarooq-azam-khan%2Frust-tdd-fizzbuzz" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Farooq-azam-khan/rust-tdd-fizzbuzz on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Farooq-azam-khan/rust-tdd-fizzbuzz
[INFO] finished tweaking git repo https://github.com/Farooq-azam-khan/rust-tdd-fizzbuzz
[INFO] tweaked toml for git repo https://github.com/Farooq-azam-khan/rust-tdd-fizzbuzz written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Farooq-azam-khan/rust-tdd-fizzbuzz already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 040b6db128b0b3d06bbb2f55a938aae4c6ef868cb9312478057c0292cb5bbe33
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "040b6db128b0b3d06bbb2f55a938aae4c6ef868cb9312478057c0292cb5bbe33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "040b6db128b0b3d06bbb2f55a938aae4c6ef868cb9312478057c0292cb5bbe33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "040b6db128b0b3d06bbb2f55a938aae4c6ef868cb9312478057c0292cb5bbe33", kill_on_drop: false }`
[INFO] [stdout] 040b6db128b0b3d06bbb2f55a938aae4c6ef868cb9312478057c0292cb5bbe33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4748611bbc3f0daf6af1659e3dfa08d22a2e3326d28db332985f9a97894c8c1d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4748611bbc3f0daf6af1659e3dfa08d22a2e3326d28db332985f9a97894c8c1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_tdd_fizz_buzz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `fizz_buzz`
[INFO] [stdout]  --> src/main.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn fizz_buzz(n: u32) -> String {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_fizz_or_buzz`
[INFO] [stdout]   --> src/main.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn is_fizz_or_buzz(i: u32) -> String {
[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 1.56s
[INFO] running `Command { std: "docker" "inspect" "4748611bbc3f0daf6af1659e3dfa08d22a2e3326d28db332985f9a97894c8c1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4748611bbc3f0daf6af1659e3dfa08d22a2e3326d28db332985f9a97894c8c1d", kill_on_drop: false }`
[INFO] [stdout] 4748611bbc3f0daf6af1659e3dfa08d22a2e3326d28db332985f9a97894c8c1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd387da15cfc75a9ae354b395fb0baa48b98b3e73f6642e2375e399253f7e01d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bd387da15cfc75a9ae354b395fb0baa48b98b3e73f6642e2375e399253f7e01d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_tdd_fizz_buzz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_tdd_fizz_buzz-9f7cecb54fd57e4f)
[INFO] running `Command { std: "docker" "inspect" "bd387da15cfc75a9ae354b395fb0baa48b98b3e73f6642e2375e399253f7e01d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd387da15cfc75a9ae354b395fb0baa48b98b3e73f6642e2375e399253f7e01d", kill_on_drop: false }`
[INFO] [stdout] bd387da15cfc75a9ae354b395fb0baa48b98b3e73f6642e2375e399253f7e01d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d399c3452557671a2172e78b9a995bd92ffa14c94bd6e0039c00b80495462b7d
[INFO] running `Command { std: "docker" "start" "-a" "d399c3452557671a2172e78b9a995bd92ffa14c94bd6e0039c00b80495462b7d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_tdd_fizz_buzz-9f7cecb54fd57e4f)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_fizz_buzz_1 ... ok
[INFO] [stdout] test test_fizz_buzz_15 ... ok
[INFO] [stdout] test test_fizz_buzz_2 ... ok
[INFO] [stdout] test test_fizz_buzz_5 ... ok
[INFO] [stdout] test test_fizz_buzz_3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d399c3452557671a2172e78b9a995bd92ffa14c94bd6e0039c00b80495462b7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d399c3452557671a2172e78b9a995bd92ffa14c94bd6e0039c00b80495462b7d", kill_on_drop: false }`
[INFO] [stdout] d399c3452557671a2172e78b9a995bd92ffa14c94bd6e0039c00b80495462b7d