[INFO] cloning repository https://github.com/JoshMcguigan/fizzbuzz-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JoshMcguigan/fizzbuzz-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshMcguigan%2Ffizzbuzz-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshMcguigan%2Ffizzbuzz-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a112853d70f515e16e9b21a148d1941b16e46bdb
[INFO] testing JoshMcguigan/fizzbuzz-rs against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshMcguigan%2Ffizzbuzz-rs" "/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/JoshMcguigan/fizzbuzz-rs on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JoshMcguigan/fizzbuzz-rs
[INFO] finished tweaking git repo https://github.com/JoshMcguigan/fizzbuzz-rs
[INFO] tweaked toml for git repo https://github.com/JoshMcguigan/fizzbuzz-rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/JoshMcguigan/fizzbuzz-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f10c354c88d0a5fe7ece853bf5a4de54d959c8961cfad00c3b5c6b3fd7ecfa8
[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" "4f10c354c88d0a5fe7ece853bf5a4de54d959c8961cfad00c3b5c6b3fd7ecfa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f10c354c88d0a5fe7ece853bf5a4de54d959c8961cfad00c3b5c6b3fd7ecfa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f10c354c88d0a5fe7ece853bf5a4de54d959c8961cfad00c3b5c6b3fd7ecfa8", kill_on_drop: false }`
[INFO] [stdout] 4f10c354c88d0a5fe7ece853bf5a4de54d959c8961cfad00c3b5c6b3fd7ecfa8
[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=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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfe9bb9f4c242d374fba4ce81cde2615095597c82c99cad0a8a80227084d25f2
[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" "dfe9bb9f4c242d374fba4ce81cde2615095597c82c99cad0a8a80227084d25f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling fizzbuzz-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `FizzBuzzer`
[INFO] [stdout]  --> src/func.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct FizzBuzzer<FnFizz, FnBuzz, FnFizzBuzz, FnOther> {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/func.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn new(fn_fizz: FnFizz, fn_buzz: FnBuzz, fn_fizzbuzz: FnFizzBuzz, fn_other: FnOther) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eval`
[INFO] [stdout]   --> src/func.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn eval(&self, num: u32) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fizzbuzz`
[INFO] [stdout]  --> src/flexible.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn fizzbuzz<'a, T>(nums: T)
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fizzbuzz_vec`
[INFO] [stdout]   --> src/flexible.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn fizzbuzz_vec(nums: &Vec<u32>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/iterator.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn new(starting_value: u32, length: u32) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "dfe9bb9f4c242d374fba4ce81cde2615095597c82c99cad0a8a80227084d25f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfe9bb9f4c242d374fba4ce81cde2615095597c82c99cad0a8a80227084d25f2", kill_on_drop: false }`
[INFO] [stdout] dfe9bb9f4c242d374fba4ce81cde2615095597c82c99cad0a8a80227084d25f2
[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=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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] c420bd7915f483918d4699e70ad964429ff60a5c7264540a2ae83384c111c970
[INFO] running `Command { std: "docker" "start" "-a" "c420bd7915f483918d4699e70ad964429ff60a5c7264540a2ae83384c111c970", kill_on_drop: false }`
[INFO] [stderr]    Compiling fizzbuzz-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "c420bd7915f483918d4699e70ad964429ff60a5c7264540a2ae83384c111c970", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c420bd7915f483918d4699e70ad964429ff60a5c7264540a2ae83384c111c970", kill_on_drop: false }`
[INFO] [stdout] c420bd7915f483918d4699e70ad964429ff60a5c7264540a2ae83384c111c970
[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=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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 17ff941953d705150bd3262fa79ec06c7ba8c725ddc478b5e281365cdf7c7dfb
[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" "17ff941953d705150bd3262fa79ec06c7ba8c725ddc478b5e281365cdf7c7dfb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fizzbuzz_rs-a3501e0a9f4d9adb
[INFO] [stdout] running 9 tests
[INFO] [stdout] test enumeration::tests::display ... ok
[INFO] [stdout] test enumeration::tests::into ... ok
[INFO] [stdout] test display::test::it_works ... ok
[INFO] [stdout] test enumeration::tests::from ... ok
[INFO] [stdout] test flexible::tests::it_works ... ok
[INFO] [stdout] test intro::tests::using_if_else ... ok
[INFO] [stdout] test func::tests::it_works ... ok
[INFO] [stdout] test intro::tests::using_match ... ok
[INFO] [stdout] test iterator::tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "17ff941953d705150bd3262fa79ec06c7ba8c725ddc478b5e281365cdf7c7dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17ff941953d705150bd3262fa79ec06c7ba8c725ddc478b5e281365cdf7c7dfb", kill_on_drop: false }`
[INFO] [stdout] 17ff941953d705150bd3262fa79ec06c7ba8c725ddc478b5e281365cdf7c7dfb