[INFO] cloning repository https://github.com/Andrew-McCall/FibonacciRs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Andrew-McCall/FibonacciRs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrew-McCall%2FFibonacciRs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrew-McCall%2FFibonacciRs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f4f8ae469f089298c199b3f81af9f6b075bea63b
[INFO] checking Andrew-McCall/FibonacciRs against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrew-McCall%2FFibonacciRs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Andrew-McCall/FibonacciRs on toolchain 2e6fc425411280c658d852813de01c5157255088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Andrew-McCall/FibonacciRs
[INFO] finished tweaking git repo https://github.com/Andrew-McCall/FibonacciRs
[INFO] tweaked toml for git repo https://github.com/Andrew-McCall/FibonacciRs written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Andrew-McCall/FibonacciRs 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" "+2e6fc425411280c658d852813de01c5157255088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2035fa6e4d571591c43e3a8d727702f1845a191755871555cf06b2cbfe1773f9
[INFO] running `Command { std: "docker" "start" "-a" "2035fa6e4d571591c43e3a8d727702f1845a191755871555cf06b2cbfe1773f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2035fa6e4d571591c43e3a8d727702f1845a191755871555cf06b2cbfe1773f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2035fa6e4d571591c43e3a8d727702f1845a191755871555cf06b2cbfe1773f9", kill_on_drop: false }`
[INFO] [stdout] 2035fa6e4d571591c43e3a8d727702f1845a191755871555cf06b2cbfe1773f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd5ace81bdef3c880b2ec14c7b11d7a2111f6b29509b92d4e4a23122b2fb68e8
[INFO] running `Command { std: "docker" "start" "-a" "fd5ace81bdef3c880b2ec14c7b11d7a2111f6b29509b92d4e4a23122b2fb68e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking fib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/main.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |             let result = fibinacci(n);
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `resultS`
[INFO] [stdout]   --> src/main.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |             let resultS = fibinacci_iterative(n);
[INFO] [stdout]    |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_resultS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/main.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |             let result = fibinacci(n);
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `resultS`
[INFO] [stdout]   --> src/main.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |             let resultS = fibinacci_iterative(n);
[INFO] [stdout]    |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_resultS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `startS` should have a snake case name
[INFO] [stdout]   --> src/main.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |             let startS = Instant::now();
[INFO] [stdout]    |                 ^^^^^^ help: convert the identifier to snake case: `start_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `resultS` should have a snake case name
[INFO] [stdout]   --> src/main.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |             let resultS = fibinacci_iterative(n);
[INFO] [stdout]    |                 ^^^^^^^ help: convert the identifier to snake case: `result_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `durationS` should have a snake case name
[INFO] [stdout]   --> src/main.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let durationS = startS.elapsed();
[INFO] [stdout]    |                 ^^^^^^^^^ help: convert the identifier to snake case: `duration_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `startS` should have a snake case name
[INFO] [stdout]   --> src/main.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |             let startS = Instant::now();
[INFO] [stdout]    |                 ^^^^^^ help: convert the identifier to snake case: `start_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `resultS` should have a snake case name
[INFO] [stdout]   --> src/main.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |             let resultS = fibinacci_iterative(n);
[INFO] [stdout]    |                 ^^^^^^^ help: convert the identifier to snake case: `result_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `durationS` should have a snake case name
[INFO] [stdout]   --> src/main.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |             let durationS = startS.elapsed();
[INFO] [stdout]    |                 ^^^^^^^^^ help: convert the identifier to snake case: `duration_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "fd5ace81bdef3c880b2ec14c7b11d7a2111f6b29509b92d4e4a23122b2fb68e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd5ace81bdef3c880b2ec14c7b11d7a2111f6b29509b92d4e4a23122b2fb68e8", kill_on_drop: false }`
[INFO] [stdout] fd5ace81bdef3c880b2ec14c7b11d7a2111f6b29509b92d4e4a23122b2fb68e8