[INFO] fetching crate nncombinator 0.7.0...
[INFO] checking nncombinator-0.7.0 against try#024378d9203a4009ed73d6db2681b88a8d74ce7a for pr-112160
[INFO] extracting crate nncombinator 0.7.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate nncombinator 0.7.0 on toolchain 024378d9203a4009ed73d6db2681b88a8d74ce7a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nncombinator 0.7.0
[INFO] finished tweaking crates.io crate nncombinator 0.7.0
[INFO] tweaked toml for crates.io crate nncombinator 0.7.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f6d17da8c211c83aab95039ba747ad41a19963e3a9852297c58a3e6a07dcc52
[INFO] running `Command { std: "docker" "start" "-a" "3f6d17da8c211c83aab95039ba747ad41a19963e3a9852297c58a3e6a07dcc52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f6d17da8c211c83aab95039ba747ad41a19963e3a9852297c58a3e6a07dcc52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f6d17da8c211c83aab95039ba747ad41a19963e3a9852297c58a3e6a07dcc52", kill_on_drop: false }`
[INFO] [stdout] 3f6d17da8c211c83aab95039ba747ad41a19963e3a9852297c58a3e6a07dcc52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94f492ffc71f53c7f0de2e2179316a96f466eb3a6e28b4cd6436ed967df1f502
[INFO] running `Command { std: "docker" "start" "-a" "94f492ffc71f53c7f0de2e2179316a96f466eb3a6e28b4cd6436ed967df1f502", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking simd-adler32 v0.3.5
[INFO] [stderr]    Compiling cuda-config v0.1.0
[INFO] [stderr]    Compiling rcublas-sys v0.5.0
[INFO] [stderr]    Compiling rcudnn-sys v0.5.0
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]     Checking rayon-core v1.11.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.7
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling nncombinator v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling cuda-runtime-sys v0.3.0-alpha.1
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking fdeflate v0.3.0
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking half v2.2.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking gif v0.12.0
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking csv v1.2.2
[INFO] [stderr]     Checking png v0.17.8
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking num-bigint v0.4.3
[INFO] [stderr]     Checking num-iter v0.1.43
[INFO] [stderr]     Checking simba v0.5.1
[INFO] [stderr]     Checking jpeg-decoder v0.3.0
[INFO] [stderr]     Checking num-rational v0.4.1
[INFO] [stderr]     Checking tiff v0.8.1
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]    Compiling pin-project-internal v1.1.0
[INFO] [stderr]     Checking pin-project v1.1.0
[INFO] [stderr]     Checking thiserror v1.0.40
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking rcublas v0.6.0
[INFO] [stderr]     Checking rcudnn v1.8.0
[INFO] [stderr]     Checking exr v1.6.4
[INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/arr.rs:336:25
[INFO] [stdout]     |
[INFO] [stdout] 336 |             arr:self.arr.clone()
[INFO] [stdout]     |                         ^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `[T]` does not implement `Clone`, so calling `clone` on `&[T]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[deny(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nncombinator` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "94f492ffc71f53c7f0de2e2179316a96f466eb3a6e28b4cd6436ed967df1f502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94f492ffc71f53c7f0de2e2179316a96f466eb3a6e28b4cd6436ed967df1f502", kill_on_drop: false }`
[INFO] [stdout] 94f492ffc71f53c7f0de2e2179316a96f466eb3a6e28b4cd6436ed967df1f502