[INFO] cloning repository https://github.com/zachfurie/rustgrad
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zachfurie/rustgrad" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzachfurie%2Frustgrad", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzachfurie%2Frustgrad'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae5b2bc53769aa631c59370aa724d3142d65ff0c
[INFO] testing zachfurie/rustgrad against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzachfurie%2Frustgrad" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zachfurie/rustgrad
[INFO] finished tweaking git repo https://github.com/zachfurie/rustgrad
[INFO] tweaked toml for git repo https://github.com/zachfurie/rustgrad written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zachfurie/rustgrad on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zachfurie/rustgrad 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97276c0ccd3443afd4bfee66f0ffa92f12c4e0320822654b4b90fce2d1c2739b
[INFO] running `Command { std: "docker" "start" "-a" "97276c0ccd3443afd4bfee66f0ffa92f12c4e0320822654b4b90fce2d1c2739b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97276c0ccd3443afd4bfee66f0ffa92f12c4e0320822654b4b90fce2d1c2739b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97276c0ccd3443afd4bfee66f0ffa92f12c4e0320822654b4b90fce2d1c2739b", kill_on_drop: false }`
[INFO] [stdout] 97276c0ccd3443afd4bfee66f0ffa92f12c4e0320822654b4b90fce2d1c2739b
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1362c260528e0c14f89b6592e860329ae3a80a6536e7c44d0183808a39ee121
[INFO] running `Command { std: "docker" "start" "-a" "d1362c260528e0c14f89b6592e860329ae3a80a6536e7c44d0183808a39ee121", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling libm v0.2.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling iana-time-zone v0.1.51
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling console v0.15.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling indicatif v0.17.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling chrono v0.4.22
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling rust_grad v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]     --> src/bin/rust_grad_ops:1542:21
[INFO] [stdout]      |
[INFO] [stdout] 1542 |                     ((0..aj).flat_map( move |a2| 
[INFO] [stdout]      |                     ^
[INFO] [stdout] ...
[INFO] [stdout] 1558 |                                 } else {None}})))))).collect();
[INFO] [stdout]      |                                                  ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1542 ~                     (0..aj).flat_map( move |a2| 
[INFO] [stdout] 1543 |                         (0..ii).flat_map( move |i| // iterate by stride, and dont start at 0 (need to find out where u start for each elem)
[INFO] [stdout]  ...
[INFO] [stdout] 1557 |                                     )
[INFO] [stdout] 1558 ~                                 } else {None}}))))).collect();
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.61s
[INFO] running `Command { std: "docker" "inspect" "d1362c260528e0c14f89b6592e860329ae3a80a6536e7c44d0183808a39ee121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1362c260528e0c14f89b6592e860329ae3a80a6536e7c44d0183808a39ee121", kill_on_drop: false }`
[INFO] [stdout] d1362c260528e0c14f89b6592e860329ae3a80a6536e7c44d0183808a39ee121
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1546bc0e9b18a505088fc1bb98fd9c134c3c6bb149b5a744a4b75771b1fab423
[INFO] running `Command { std: "docker" "start" "-a" "1546bc0e9b18a505088fc1bb98fd9c134c3c6bb149b5a744a4b75771b1fab423", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_grad v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]     --> src/bin/rust_grad_ops:1542:21
[INFO] [stdout]      |
[INFO] [stdout] 1542 |                     ((0..aj).flat_map( move |a2| 
[INFO] [stdout]      |                     ^
[INFO] [stdout] ...
[INFO] [stdout] 1558 |                                 } else {None}})))))).collect();
[INFO] [stdout]      |                                                  ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1542 ~                     (0..aj).flat_map( move |a2| 
[INFO] [stdout] 1543 |                         (0..ii).flat_map( move |i| // iterate by stride, and dont start at 0 (need to find out where u start for each elem)
[INFO] [stdout]  ...
[INFO] [stdout] 1557 |                                     )
[INFO] [stdout] 1558 ~                                 } else {None}}))))).collect();
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "1546bc0e9b18a505088fc1bb98fd9c134c3c6bb149b5a744a4b75771b1fab423", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1546bc0e9b18a505088fc1bb98fd9c134c3c6bb149b5a744a4b75771b1fab423", kill_on_drop: false }`
[INFO] [stdout] 1546bc0e9b18a505088fc1bb98fd9c134c3c6bb149b5a744a4b75771b1fab423
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ff68a17e50930bb3983630e294aff4b994d5bfb9b7216a08030e065ef64b6122
[INFO] running `Command { std: "docker" "start" "-a" "ff68a17e50930bb3983630e294aff4b994d5bfb9b7216a08030e065ef64b6122", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]     --> src/bin/rust_grad_ops:1542:21
[INFO] [stderr]      |
[INFO] [stderr] 1542 |                     ((0..aj).flat_map( move |a2| 
[INFO] [stderr]      |                     ^
[INFO] [stderr] ...
[INFO] [stderr] 1558 |                                 } else {None}})))))).collect();
[INFO] [stderr]      |                                                  ^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 1542 ~                     (0..aj).flat_map( move |a2| 
[INFO] [stderr] 1543 |                         (0..ii).flat_map( move |i| // iterate by stride, and dont start at 0 (need to find out where u start for each elem)
[INFO] [stderr]  ...
[INFO] [stderr] 1557 |                                     )
[INFO] [stderr] 1558 ~                                 } else {None}}))))).collect();
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_grad` (bin "rust_grad" test) generated 1 warning (run `cargo fix --bin "rust_grad" -p rust_grad --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_grad-9ef9fee677280d6b)
[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" "ff68a17e50930bb3983630e294aff4b994d5bfb9b7216a08030e065ef64b6122", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff68a17e50930bb3983630e294aff4b994d5bfb9b7216a08030e065ef64b6122", kill_on_drop: false }`
[INFO] [stdout] ff68a17e50930bb3983630e294aff4b994d5bfb9b7216a08030e065ef64b6122