[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] testing bonor-ayambem/parallel-gaussian-implementation/b1f2ca5630b6a7caa9fd6d638f71273de48095f2 against try#024495a232636f1f9407d7695b2be51edc2c51bd for pr-130285
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbonor-ayambem%2Fparallel-gaussian-implementation" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bonor-ayambem/parallel-gaussian-implementation on toolchain 024495a232636f1f9407d7695b2be51edc2c51bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024495a232636f1f9407d7695b2be51edc2c51bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4-tc2/source/Cargo.toml
[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" "+024495a232636f1f9407d7695b2be51edc2c51bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+024495a232636f1f9407d7695b2be51edc2c51bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0b00b08b2581f32ed7eff13d084855d92ac5c8fe678cb579dbb084e242173ef
[INFO] running `Command { std: "docker" "start" "-a" "f0b00b08b2581f32ed7eff13d084855d92ac5c8fe678cb579dbb084e242173ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0b00b08b2581f32ed7eff13d084855d92ac5c8fe678cb579dbb084e242173ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0b00b08b2581f32ed7eff13d084855d92ac5c8fe678cb579dbb084e242173ef", kill_on_drop: false }`
[INFO] [stdout] f0b00b08b2581f32ed7eff13d084855d92ac5c8fe678cb579dbb084e242173ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+024495a232636f1f9407d7695b2be51edc2c51bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78dc895d46e8e206d4999c8a9be48af7c828c88f1b17359eb6a038e8fd997e67
[INFO] running `Command { std: "docker" "start" "-a" "78dc895d46e8e206d4999c8a9be48af7c828c88f1b17359eb6a038e8fd997e67", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[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 scopeguard v1.2.0
[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 memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling crossbeam v0.8.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rayon v1.8.0
[INFO] [stderr]    Compiling rand v0.8.5
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `Command { std: "docker" "inspect" "78dc895d46e8e206d4999c8a9be48af7c828c88f1b17359eb6a038e8fd997e67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78dc895d46e8e206d4999c8a9be48af7c828c88f1b17359eb6a038e8fd997e67", kill_on_drop: false }`
[INFO] [stdout] 78dc895d46e8e206d4999c8a9be48af7c828c88f1b17359eb6a038e8fd997e67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+024495a232636f1f9407d7695b2be51edc2c51bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab7ca3d16463ae8d037dbf42843cfad169d6f697990a000d871adafe00fecda2
[INFO] running `Command { std: "docker" "start" "-a" "ab7ca3d16463ae8d037dbf42843cfad169d6f697990a000d871adafe00fecda2", kill_on_drop: false }`
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "ab7ca3d16463ae8d037dbf42843cfad169d6f697990a000d871adafe00fecda2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab7ca3d16463ae8d037dbf42843cfad169d6f697990a000d871adafe00fecda2", kill_on_drop: false }`
[INFO] [stdout] ab7ca3d16463ae8d037dbf42843cfad169d6f697990a000d871adafe00fecda2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+024495a232636f1f9407d7695b2be51edc2c51bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7b40aa5d75b772b5c44ce3ac88b97cf6f41ee79522a1022e0af4ff9f54418a2b
[INFO] running `Command { std: "docker" "start" "-a" "7b40aa5d75b772b5c44ce3ac88b97cf6f41ee79522a1022e0af4ff9f54418a2b", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `pivot_index` is never read
[INFO] [stderr]   --> src/par_gauss2.rs:18:17
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let mut pivot_index = pivot_row;
[INFO] [stderr]    |                 ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `homework-3` (lib) generated 1 warning
[INFO] [stderr] warning: `homework-3` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/homework_3-ac813c5881af5c08)
[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] [stderr]      Running unittests src/bin/main.rs (/opt/rustwide/target/debug/deps/main-822194bffa517106)
[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] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-e706a8f0ac525350)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_gauss ... ok
[INFO] [stdout] test test_pargauss4 ... ok
[INFO] [stdout] test test_pargauss1 ... ok
[INFO] [stdout] test test_pargauss3 ... ok
[INFO] [stdout] test test_pargauss2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests homework_3
[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" "7b40aa5d75b772b5c44ce3ac88b97cf6f41ee79522a1022e0af4ff9f54418a2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b40aa5d75b772b5c44ce3ac88b97cf6f41ee79522a1022e0af4ff9f54418a2b", kill_on_drop: false }`
[INFO] [stdout] 7b40aa5d75b772b5c44ce3ac88b97cf6f41ee79522a1022e0af4ff9f54418a2b