[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] checking zachfurie/rustgrad against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzachfurie%2Frustgrad" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/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-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zachfurie/rustgrad on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.12
[INFO] [stderr]   Downloaded iana-time-zone v0.1.51
[INFO] [stderr]   Downloaded link-cplusplus v1.0.7
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.80
[INFO] [stderr]   Downloaded scratch v1.0.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.47
[INFO] [stderr]   Downloaded cxx-build v1.0.80
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.80
[INFO] [stderr]   Downloaded indicatif v0.17.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.11
[INFO] [stderr]   Downloaded cxx v1.0.80
[INFO] [stderr]   Downloaded syn v1.0.103
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81f17bc85790ef066c391dfbaa4366ca016195d669e32a72605747c9f89604f8
[INFO] running `Command { std: "docker" "start" "-a" "81f17bc85790ef066c391dfbaa4366ca016195d669e32a72605747c9f89604f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81f17bc85790ef066c391dfbaa4366ca016195d669e32a72605747c9f89604f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81f17bc85790ef066c391dfbaa4366ca016195d669e32a72605747c9f89604f8", kill_on_drop: false }`
[INFO] [stdout] 81f17bc85790ef066c391dfbaa4366ca016195d669e32a72605747c9f89604f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59c33a3f34741d05d51888ad3c0bdfaf4a305ae79b5c6e32bd4e6524b5da7283
[INFO] running `Command { std: "docker" "start" "-a" "59c33a3f34741d05d51888ad3c0bdfaf4a305ae79b5c6e32bd4e6524b5da7283", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[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 serde v1.0.145
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking iana-time-zone v0.1.51
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking console v0.15.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rayon-core v1.9.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking indicatif v0.17.1
[INFO] [stderr]     Checking rayon v1.5.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking chrono v0.4.22
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking 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] [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 12.89s
[INFO] running `Command { std: "docker" "inspect" "59c33a3f34741d05d51888ad3c0bdfaf4a305ae79b5c6e32bd4e6524b5da7283", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59c33a3f34741d05d51888ad3c0bdfaf4a305ae79b5c6e32bd4e6524b5da7283", kill_on_drop: false }`
[INFO] [stdout] 59c33a3f34741d05d51888ad3c0bdfaf4a305ae79b5c6e32bd4e6524b5da7283