[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] building bonor-ayambem/parallel-gaussian-implementation against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbonor-ayambem%2Fparallel-gaussian-implementation" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-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-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/bonor-ayambem/parallel-gaussian-implementation on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ae28bd1d02f7c0f36c841695846d54c8ebc650d5ade791885f0785c5f4b8f98e [INFO] running `Command { std: "docker" "start" "-a" "ae28bd1d02f7c0f36c841695846d54c8ebc650d5ade791885f0785c5f4b8f98e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ae28bd1d02f7c0f36c841695846d54c8ebc650d5ade791885f0785c5f4b8f98e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae28bd1d02f7c0f36c841695846d54c8ebc650d5ade791885f0785c5f4b8f98e", kill_on_drop: false }` [INFO] [stdout] ae28bd1d02f7c0f36c841695846d54c8ebc650d5ade791885f0785c5f4b8f98e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 722ff8f61cd2af3671fb2e2b9127a38538431a97f45402187eacf05aa2a535e5 [INFO] running `Command { std: "docker" "start" "-a" "722ff8f61cd2af3671fb2e2b9127a38538431a97f45402187eacf05aa2a535e5", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [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] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling either v1.9.0 [INFO] [stderr] Compiling crossbeam-channel v0.5.8 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Compiling getrandom v0.2.10 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling crossbeam-deque v0.8.3 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling crossbeam v0.8.2 [INFO] [stderr] Compiling rayon v1.8.0 [INFO] [stderr] Compiling 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:18:17 [INFO] [stdout] | [INFO] [stdout] 18 | let mut pivot_index = pivot_row; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [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 6.86s [INFO] running `Command { std: "docker" "inspect" "722ff8f61cd2af3671fb2e2b9127a38538431a97f45402187eacf05aa2a535e5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "722ff8f61cd2af3671fb2e2b9127a38538431a97f45402187eacf05aa2a535e5", kill_on_drop: false }` [INFO] [stdout] 722ff8f61cd2af3671fb2e2b9127a38538431a97f45402187eacf05aa2a535e5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8f2e42e4586d8fae7926682fbd21d729d0486e5ff515756817ecd2c3562c85e2 [INFO] running `Command { std: "docker" "start" "-a" "8f2e42e4586d8fae7926682fbd21d729d0486e5ff515756817ecd2c3562c85e2", kill_on_drop: false }` [INFO] [stderr] Compiling 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:18:17 [INFO] [stdout] | [INFO] [stdout] 18 | let mut pivot_index = pivot_row; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [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:18:17 [INFO] [stdout] | [INFO] [stdout] 18 | let mut pivot_index = pivot_row; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s [INFO] running `Command { std: "docker" "inspect" "8f2e42e4586d8fae7926682fbd21d729d0486e5ff515756817ecd2c3562c85e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f2e42e4586d8fae7926682fbd21d729d0486e5ff515756817ecd2c3562c85e2", kill_on_drop: false }` [INFO] [stdout] 8f2e42e4586d8fae7926682fbd21d729d0486e5ff515756817ecd2c3562c85e2