[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 beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshMcguigan%2Ffizzbuzz-rs" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JoshMcguigan/fizzbuzz-rs 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/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-3/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" "+beta-2022-04-10" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1cacede8f76ee0fdbe7a0eeca073f17b8d89f299b4d328f8ee1186b7e151b321 [INFO] running `Command { std: "docker" "start" "-a" "1cacede8f76ee0fdbe7a0eeca073f17b8d89f299b4d328f8ee1186b7e151b321", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1cacede8f76ee0fdbe7a0eeca073f17b8d89f299b4d328f8ee1186b7e151b321", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1cacede8f76ee0fdbe7a0eeca073f17b8d89f299b4d328f8ee1186b7e151b321", kill_on_drop: false }` [INFO] [stdout] 1cacede8f76ee0fdbe7a0eeca073f17b8d89f299b4d328f8ee1186b7e151b321 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ecc0dda318ec6b238f9ab35ac4f035df2a273fd3d438d5fb3be24159afcfcfb1 [INFO] running `Command { std: "docker" "start" "-a" "ecc0dda318ec6b238f9ab35ac4f035df2a273fd3d438d5fb3be24159afcfcfb1", 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 { [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) { [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 1.44s [INFO] running `Command { std: "docker" "inspect" "ecc0dda318ec6b238f9ab35ac4f035df2a273fd3d438d5fb3be24159afcfcfb1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ecc0dda318ec6b238f9ab35ac4f035df2a273fd3d438d5fb3be24159afcfcfb1", kill_on_drop: false }` [INFO] [stdout] ecc0dda318ec6b238f9ab35ac4f035df2a273fd3d438d5fb3be24159afcfcfb1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d11efe7b58095c766ce93b2bdf4b0927d6b555742c5b1aa68a3dd453f1ff75ca [INFO] running `Command { std: "docker" "start" "-a" "d11efe7b58095c766ce93b2bdf4b0927d6b555742c5b1aa68a3dd453f1ff75ca", kill_on_drop: false }` [INFO] [stderr] Compiling fizzbuzz-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.05s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/fizzbuzz_rs-d27b4c2ca4e81c37) [INFO] running `Command { std: "docker" "inspect" "d11efe7b58095c766ce93b2bdf4b0927d6b555742c5b1aa68a3dd453f1ff75ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d11efe7b58095c766ce93b2bdf4b0927d6b555742c5b1aa68a3dd453f1ff75ca", kill_on_drop: false }` [INFO] [stdout] d11efe7b58095c766ce93b2bdf4b0927d6b555742c5b1aa68a3dd453f1ff75ca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 4d59528b720a997695da96c5bf5b8de32d208e54b20815447a358c321eb5aacb [INFO] running `Command { std: "docker" "start" "-a" "4d59528b720a997695da96c5bf5b8de32d208e54b20815447a358c321eb5aacb", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/fizzbuzz_rs-d27b4c2ca4e81c37) [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test display::test::it_works ... ok [INFO] [stdout] test enumeration::tests::display ... ok [INFO] [stdout] test func::tests::it_works ... ok [INFO] [stdout] test intro::tests::using_if_else ... ok [INFO] [stdout] test iterator::tests::it_works ... ok [INFO] [stdout] test flexible::tests::it_works ... ok [INFO] [stdout] test enumeration::tests::from ... ok [INFO] [stdout] test intro::tests::using_match ... ok [INFO] [stdout] test enumeration::tests::into ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4d59528b720a997695da96c5bf5b8de32d208e54b20815447a358c321eb5aacb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d59528b720a997695da96c5bf5b8de32d208e54b20815447a358c321eb5aacb", kill_on_drop: false }` [INFO] [stdout] 4d59528b720a997695da96c5bf5b8de32d208e54b20815447a358c321eb5aacb