[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-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFarooq-azam-khan%2Frust-tdd-fizzbuzz" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Farooq-azam-khan/rust-tdd-fizzbuzz on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-7/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-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29201ebf559ad44d7301636bd48131aabcd9376ae39cddb3fba49e42501fb0c3
[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" "29201ebf559ad44d7301636bd48131aabcd9376ae39cddb3fba49e42501fb0c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29201ebf559ad44d7301636bd48131aabcd9376ae39cddb3fba49e42501fb0c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29201ebf559ad44d7301636bd48131aabcd9376ae39cddb3fba49e42501fb0c3", kill_on_drop: false }`
[INFO] [stdout] 29201ebf559ad44d7301636bd48131aabcd9376ae39cddb3fba49e42501fb0c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d2667bfe74173c4a1fd454c6d2af91174f9175f0c93e67a9106c05faefbdc6d
[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" "2d2667bfe74173c4a1fd454c6d2af91174f9175f0c93e67a9106c05faefbdc6d", 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 1.89s
[INFO] running `Command { std: "docker" "inspect" "2d2667bfe74173c4a1fd454c6d2af91174f9175f0c93e67a9106c05faefbdc6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d2667bfe74173c4a1fd454c6d2af91174f9175f0c93e67a9106c05faefbdc6d", kill_on_drop: false }`
[INFO] [stdout] 2d2667bfe74173c4a1fd454c6d2af91174f9175f0c93e67a9106c05faefbdc6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", 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] 0ea7cce75d345cabca26e4fea0d6fa0203dbbf9edb0cab87d4962868020be3f9
[INFO] running `Command { std: "docker" "start" "-a" "0ea7cce75d345cabca26e4fea0d6fa0203dbbf9edb0cab87d4962868020be3f9", 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 1.22s
[INFO] running `Command { std: "docker" "inspect" "0ea7cce75d345cabca26e4fea0d6fa0203dbbf9edb0cab87d4962868020be3f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ea7cce75d345cabca26e4fea0d6fa0203dbbf9edb0cab87d4962868020be3f9", kill_on_drop: false }`
[INFO] [stdout] 0ea7cce75d345cabca26e4fea0d6fa0203dbbf9edb0cab87d4962868020be3f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] b86f6fd8e151a39c9ece781d1e65ae67accbed38bd217b22c82967aa5fb465d1
[INFO] running `Command { std: "docker" "start" "-a" "b86f6fd8e151a39c9ece781d1e65ae67accbed38bd217b22c82967aa5fb465d1", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 5 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_tdd_fizz_buzz-9f7cecb54fd57e4f)
[INFO] [stdout] test test_fizz_buzz_15 ... ok
[INFO] [stdout] test test_fizz_buzz_2 ... ok
[INFO] [stdout] test test_fizz_buzz_3 ... ok
[INFO] [stdout] test test_fizz_buzz_5 ... ok
[INFO] [stdout] test test_fizz_buzz_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b86f6fd8e151a39c9ece781d1e65ae67accbed38bd217b22c82967aa5fb465d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b86f6fd8e151a39c9ece781d1e65ae67accbed38bd217b22c82967aa5fb465d1", kill_on_drop: false }`
[INFO] [stdout] b86f6fd8e151a39c9ece781d1e65ae67accbed38bd217b22c82967aa5fb465d1