[INFO] cloning repository https://github.com/flyingcakes85/fizzbuzz-overengineered
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flyingcakes85/fizzbuzz-overengineered" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflyingcakes85%2Ffizzbuzz-overengineered", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflyingcakes85%2Ffizzbuzz-overengineered'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a9e93dce049bd166976c354b1bf08fad9ca5acc9
[INFO] testing flyingcakes85/fizzbuzz-overengineered against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflyingcakes85%2Ffizzbuzz-overengineered" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/flyingcakes85/fizzbuzz-overengineered
[INFO] finished tweaking git repo https://github.com/flyingcakes85/fizzbuzz-overengineered
[INFO] tweaked toml for git repo https://github.com/flyingcakes85/fizzbuzz-overengineered written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/flyingcakes85/fizzbuzz-overengineered on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/flyingcakes85/fizzbuzz-overengineered already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ab152f75f5523ccafccc4cc8d310f0fb45db149d4318f5901c3906f1d70377f
[INFO] running `Command { std: "docker" "start" "-a" "3ab152f75f5523ccafccc4cc8d310f0fb45db149d4318f5901c3906f1d70377f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ab152f75f5523ccafccc4cc8d310f0fb45db149d4318f5901c3906f1d70377f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ab152f75f5523ccafccc4cc8d310f0fb45db149d4318f5901c3906f1d70377f", kill_on_drop: false }`
[INFO] [stdout] 3ab152f75f5523ccafccc4cc8d310f0fb45db149d4318f5901c3906f1d70377f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7e84a3bd3df87b1a223fa11752026d70cae26398956b293a79015ac217d518e
[INFO] running `Command { std: "docker" "start" "-a" "f7e84a3bd3df87b1a223fa11752026d70cae26398956b293a79015ac217d518e", kill_on_drop: false }`
[INFO] [stderr]    Compiling fizzbuzz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `data_length`
[INFO] [stdout]   --> src/fizzbuzz.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let data_length = program_data.nums.len();
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_length`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lower_limit`
[INFO] [stdout]   --> src/fizzbuzz.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let lower_limit = lower_limit.unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lower_limit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `upper_limit`
[INFO] [stdout]   --> src/fizzbuzz.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let upper_limit = upper_limit.unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_upper_limit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fizzbuzz` is never used
[INFO] [stdout]  --> src/fizzbuzz.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn fizzbuzz(program_data: ProgramData, lower_limit: Option<usize>, upper_limit: Option<usize>) {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "f7e84a3bd3df87b1a223fa11752026d70cae26398956b293a79015ac217d518e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7e84a3bd3df87b1a223fa11752026d70cae26398956b293a79015ac217d518e", kill_on_drop: false }`
[INFO] [stdout] f7e84a3bd3df87b1a223fa11752026d70cae26398956b293a79015ac217d518e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3c3845590152415550b94e721d2d9c89aac94accf66b3e910105ab6b8dcc5bc
[INFO] running `Command { std: "docker" "start" "-a" "d3c3845590152415550b94e721d2d9c89aac94accf66b3e910105ab6b8dcc5bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling fizzbuzz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `data_length`
[INFO] [stdout]   --> src/fizzbuzz.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let data_length = program_data.nums.len();
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_length`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lower_limit`
[INFO] [stdout]   --> src/fizzbuzz.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let lower_limit = lower_limit.unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lower_limit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `upper_limit`
[INFO] [stdout]   --> src/fizzbuzz.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let upper_limit = upper_limit.unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_upper_limit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fizzbuzz` is never used
[INFO] [stdout]  --> src/fizzbuzz.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn fizzbuzz(program_data: ProgramData, lower_limit: Option<usize>, upper_limit: Option<usize>) {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "d3c3845590152415550b94e721d2d9c89aac94accf66b3e910105ab6b8dcc5bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3c3845590152415550b94e721d2d9c89aac94accf66b3e910105ab6b8dcc5bc", kill_on_drop: false }`
[INFO] [stdout] d3c3845590152415550b94e721d2d9c89aac94accf66b3e910105ab6b8dcc5bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2aaef26bb2824858fe1559943a570f1cd4cde691b517cff0cb4c7c4aaf047973
[INFO] running `Command { std: "docker" "start" "-a" "2aaef26bb2824858fe1559943a570f1cd4cde691b517cff0cb4c7c4aaf047973", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `data_length`
[INFO] [stderr]   --> src/fizzbuzz.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let data_length = program_data.nums.len();
[INFO] [stderr]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_length`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lower_limit`
[INFO] [stderr]   --> src/fizzbuzz.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let lower_limit = lower_limit.unwrap();
[INFO] [stderr]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lower_limit`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `upper_limit`
[INFO] [stderr]   --> src/fizzbuzz.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let upper_limit = upper_limit.unwrap();
[INFO] [stderr]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_upper_limit`
[INFO] [stderr] 
[INFO] [stderr] warning: function `fizzbuzz` is never used
[INFO] [stderr]  --> src/fizzbuzz.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn fizzbuzz(program_data: ProgramData, lower_limit: Option<usize>, upper_limit: Option<usize>) {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `fizzbuzz` (bin "fizzbuzz" test) generated 4 warnings (run `cargo fix --bin "fizzbuzz" -p fizzbuzz --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/fizzbuzz-cfa4501376d7c4bb)
[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" "2aaef26bb2824858fe1559943a570f1cd4cde691b517cff0cb4c7c4aaf047973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aaef26bb2824858fe1559943a570f1cd4cde691b517cff0cb4c7c4aaf047973", kill_on_drop: false }`
[INFO] [stdout] 2aaef26bb2824858fe1559943a570f1cd4cde691b517cff0cb4c7c4aaf047973