[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] 0c53cbb74cba2d24d54b281a520313159af0f424
[INFO] testing Andrew-McCall/FibonacciRs against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrew-McCall%2FFibonacciRs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[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-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Andrew-McCall/FibonacciRs on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d78f0720c977350f58de5d8d121ada68e65eda6cea8e61eb2dbd9682bd1f7d0c
[INFO] running `Command { std: "docker" "start" "-a" "d78f0720c977350f58de5d8d121ada68e65eda6cea8e61eb2dbd9682bd1f7d0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d78f0720c977350f58de5d8d121ada68e65eda6cea8e61eb2dbd9682bd1f7d0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d78f0720c977350f58de5d8d121ada68e65eda6cea8e61eb2dbd9682bd1f7d0c", kill_on_drop: false }`
[INFO] [stdout] d78f0720c977350f58de5d8d121ada68e65eda6cea8e61eb2dbd9682bd1f7d0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a6360438dace8e2384adddfbdf5db5fd09cc905b07c523fcff446b05c0cf588
[INFO] running `Command { std: "docker" "start" "-a" "6a6360438dace8e2384adddfbdf5db5fd09cc905b07c523fcff446b05c0cf588", 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]    Compiling 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: 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.73s
[INFO] running `Command { std: "docker" "inspect" "6a6360438dace8e2384adddfbdf5db5fd09cc905b07c523fcff446b05c0cf588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a6360438dace8e2384adddfbdf5db5fd09cc905b07c523fcff446b05c0cf588", kill_on_drop: false }`
[INFO] [stdout] 6a6360438dace8e2384adddfbdf5db5fd09cc905b07c523fcff446b05c0cf588
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b5648d3d894fb78273236cb248a68f72d3a9733295ad6b07b450344a30f677f
[INFO] running `Command { std: "docker" "start" "-a" "9b5648d3d894fb78273236cb248a68f72d3a9733295ad6b07b450344a30f677f", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "9b5648d3d894fb78273236cb248a68f72d3a9733295ad6b07b450344a30f677f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b5648d3d894fb78273236cb248a68f72d3a9733295ad6b07b450344a30f677f", kill_on_drop: false }`
[INFO] [stdout] 9b5648d3d894fb78273236cb248a68f72d3a9733295ad6b07b450344a30f677f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 139a96eb4bf9add1e3d00378c313106609cee3fb44211d797daf1cc610822430
[INFO] running `Command { std: "docker" "start" "-a" "139a96eb4bf9add1e3d00378c313106609cee3fb44211d797daf1cc610822430", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]   --> src/main.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |             let result = fibinacci(n);
[INFO] [stderr]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `resultS`
[INFO] [stderr]   --> src/main.rs:35:17
[INFO] [stderr]    |
[INFO] [stderr] 35 |             let resultS = fibinacci_iterative(n);
[INFO] [stderr]    |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_resultS`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `startS` should have a snake case name
[INFO] [stderr]   --> src/main.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 |             let startS = Instant::now();
[INFO] [stderr]    |                 ^^^^^^ help: convert the identifier to snake case: `start_s`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `resultS` should have a snake case name
[INFO] [stderr]   --> src/main.rs:35:17
[INFO] [stderr]    |
[INFO] [stderr] 35 |             let resultS = fibinacci_iterative(n);
[INFO] [stderr]    |                 ^^^^^^^ help: convert the identifier to snake case: `result_s`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `durationS` should have a snake case name
[INFO] [stderr]   --> src/main.rs:36:17
[INFO] [stderr]    |
[INFO] [stderr] 36 |             let durationS = startS.elapsed();
[INFO] [stderr]    |                 ^^^^^^^^^ help: convert the identifier to snake case: `duration_s`
[INFO] [stderr] 
[INFO] [stderr] warning: `fib` (bin "fib" test) generated 5 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/fib-dd378882430f469f)
[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" "139a96eb4bf9add1e3d00378c313106609cee3fb44211d797daf1cc610822430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "139a96eb4bf9add1e3d00378c313106609cee3fb44211d797daf1cc610822430", kill_on_drop: false }`
[INFO] [stdout] 139a96eb4bf9add1e3d00378c313106609cee3fb44211d797daf1cc610822430
