[INFO] cloning repository https://github.com/deppong/fibonacci-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/deppong/fibonacci-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeppong%2Ffibonacci-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeppong%2Ffibonacci-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea380f32da0950d3769f895f62298c8943d5354f
[INFO] testing deppong/fibonacci-rust against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdeppong%2Ffibonacci-rust" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/deppong/fibonacci-rust on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/deppong/fibonacci-rust
[INFO] finished tweaking git repo https://github.com/deppong/fibonacci-rust
[INFO] tweaked toml for git repo https://github.com/deppong/fibonacci-rust written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/deppong/fibonacci-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69fed240e3ba0b0c779bd8d49525ca89b963d918a48017cb925e7953968f8edb
[INFO] running `Command { std: "docker" "start" "-a" "69fed240e3ba0b0c779bd8d49525ca89b963d918a48017cb925e7953968f8edb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69fed240e3ba0b0c779bd8d49525ca89b963d918a48017cb925e7953968f8edb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69fed240e3ba0b0c779bd8d49525ca89b963d918a48017cb925e7953968f8edb", kill_on_drop: false }`
[INFO] [stdout] 69fed240e3ba0b0c779bd8d49525ca89b963d918a48017cb925e7953968f8edb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdd8ff3ddd6d2734c2115c7f65daf117b415847abfa4a0f48cbf740ed51635b6
[INFO] running `Command { std: "docker" "start" "-a" "bdd8ff3ddd6d2734c2115c7f65daf117b415847abfa4a0f48cbf740ed51635b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling fibonacci v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `fN` is never read
[INFO] [stdout]  --> src/main.rs:2:30
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let (mut f0, mut f1, mut fN) = (0, 1, 0);
[INFO] [stdout]   |                              ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fN` should have a snake case name
[INFO] [stdout]  --> src/main.rs:2:30
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let (mut f0, mut f1, mut fN) = (0, 1, 0);
[INFO] [stdout]   |                              ^^ help: convert the identifier to snake case: `f_n`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bdd8ff3ddd6d2734c2115c7f65daf117b415847abfa4a0f48cbf740ed51635b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdd8ff3ddd6d2734c2115c7f65daf117b415847abfa4a0f48cbf740ed51635b6", kill_on_drop: false }`
[INFO] [stdout] bdd8ff3ddd6d2734c2115c7f65daf117b415847abfa4a0f48cbf740ed51635b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d91f661b38b89577aef2f5f6f739ae5278d49e38b9f289b359f27e16dc2a09e
[INFO] running `Command { std: "docker" "start" "-a" "4d91f661b38b89577aef2f5f6f739ae5278d49e38b9f289b359f27e16dc2a09e", kill_on_drop: false }`
[INFO] [stderr]    Compiling fibonacci v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `fN` is never read
[INFO] [stdout]  --> src/main.rs:2:30
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let (mut f0, mut f1, mut fN) = (0, 1, 0);
[INFO] [stdout]   |                              ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fN` should have a snake case name
[INFO] [stdout]  --> src/main.rs:2:30
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let (mut f0, mut f1, mut fN) = (0, 1, 0);
[INFO] [stdout]   |                              ^^ help: convert the identifier to snake case: `f_n`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "4d91f661b38b89577aef2f5f6f739ae5278d49e38b9f289b359f27e16dc2a09e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d91f661b38b89577aef2f5f6f739ae5278d49e38b9f289b359f27e16dc2a09e", kill_on_drop: false }`
[INFO] [stdout] 4d91f661b38b89577aef2f5f6f739ae5278d49e38b9f289b359f27e16dc2a09e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 399ce8ec05f1ea89eeacd6cf96c84f82e31320ec4febe6b94cb99f052487dd6b
[INFO] running `Command { std: "docker" "start" "-a" "399ce8ec05f1ea89eeacd6cf96c84f82e31320ec4febe6b94cb99f052487dd6b", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `fN` is never read
[INFO] [stderr]  --> src/main.rs:2:30
[INFO] [stderr]   |
[INFO] [stderr] 2 |     let (mut f0, mut f1, mut fN) = (0, 1, 0);
[INFO] [stderr]   |                              ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable `fN` should have a snake case name
[INFO] [stderr]  --> src/main.rs:2:30
[INFO] [stderr]   |
[INFO] [stderr] 2 |     let (mut f0, mut f1, mut fN) = (0, 1, 0);
[INFO] [stderr]   |                              ^^ help: convert the identifier to snake case: `f_n`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `fibonacci` (bin "fibonacci" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fibonacci-f77bf369cfcc8972)
[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" "399ce8ec05f1ea89eeacd6cf96c84f82e31320ec4febe6b94cb99f052487dd6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "399ce8ec05f1ea89eeacd6cf96c84f82e31320ec4febe6b94cb99f052487dd6b", kill_on_drop: false }`
[INFO] [stdout] 399ce8ec05f1ea89eeacd6cf96c84f82e31320ec4febe6b94cb99f052487dd6b