[INFO] cloning repository https://github.com/bonor-ayambem/parallel-gaussian-implementation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bonor-ayambem/parallel-gaussian-implementation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbonor-ayambem%2Fparallel-gaussian-implementation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbonor-ayambem%2Fparallel-gaussian-implementation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1f2ca5630b6a7caa9fd6d638f71273de48095f2
[INFO] checking bonor-ayambem/parallel-gaussian-implementation against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbonor-ayambem%2Fparallel-gaussian-implementation" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bonor-ayambem/parallel-gaussian-implementation
[INFO] finished tweaking git repo https://github.com/bonor-ayambem/parallel-gaussian-implementation
[INFO] tweaked toml for git repo https://github.com/bonor-ayambem/parallel-gaussian-implementation written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bonor-ayambem/parallel-gaussian-implementation on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bonor-ayambem/parallel-gaussian-implementation 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11d0d66b3a27108d055a6907da2e4d6360a3c001d5e05f0455eca357756c9117
[INFO] running `Command { std: "docker" "start" "-a" "11d0d66b3a27108d055a6907da2e4d6360a3c001d5e05f0455eca357756c9117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11d0d66b3a27108d055a6907da2e4d6360a3c001d5e05f0455eca357756c9117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11d0d66b3a27108d055a6907da2e4d6360a3c001d5e05f0455eca357756c9117", kill_on_drop: false }`
[INFO] [stdout] 11d0d66b3a27108d055a6907da2e4d6360a3c001d5e05f0455eca357756c9117
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fa964a588a9fe84e6fe49e8f613aba647e421d95c94808e669338f5d4b6f3a7
[INFO] running `Command { std: "docker" "start" "-a" "8fa964a588a9fe84e6fe49e8f613aba647e421d95c94808e669338f5d4b6f3a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.15
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking crossbeam v0.8.2
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking homework-3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `pivot_index` is never read
[INFO] [stdout]   --> src/par_gauss2.rs:18:31
[INFO] [stdout]    |
[INFO] [stdout] 18 |           let mut pivot_index = pivot_row;
[INFO] [stdout]    |                                 ^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 21 | /         pivot_index = (pivot_row..n)
[INFO] [stdout] 22 | |             .into_par_iter()
[INFO] [stdout] 23 | |             .map(|i| (i, a.lock().unwrap()[i][pivot_row].abs()))
[INFO] [stdout] 24 | |             .reduce(
[INFO] [stdout] ...  |
[INFO] [stdout] 34 | |             .0;
[INFO] [stdout]    | |______________- `pivot_index` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `pivot_index` is never read
[INFO] [stdout]   --> src/par_gauss2.rs:18:31
[INFO] [stdout]    |
[INFO] [stdout] 18 |           let mut pivot_index = pivot_row;
[INFO] [stdout]    |                                 ^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 21 | /         pivot_index = (pivot_row..n)
[INFO] [stdout] 22 | |             .into_par_iter()
[INFO] [stdout] 23 | |             .map(|i| (i, a.lock().unwrap()[i][pivot_row].abs()))
[INFO] [stdout] 24 | |             .reduce(
[INFO] [stdout] ...  |
[INFO] [stdout] 34 | |             .0;
[INFO] [stdout]    | |______________- `pivot_index` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.07s
[INFO] running `Command { std: "docker" "inspect" "8fa964a588a9fe84e6fe49e8f613aba647e421d95c94808e669338f5d4b6f3a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fa964a588a9fe84e6fe49e8f613aba647e421d95c94808e669338f5d4b6f3a7", kill_on_drop: false }`
[INFO] [stdout] 8fa964a588a9fe84e6fe49e8f613aba647e421d95c94808e669338f5d4b6f3a7
