[INFO] fetching crate ferrotorch-nn 0.2.3...
[INFO] checking ferrotorch-nn-0.2.3 against try#88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c for pr-154887
[INFO] extracting crate ferrotorch-nn 0.2.3 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate ferrotorch-nn 0.2.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ferrotorch-nn 0.2.3
[INFO] tweaked toml for crates.io crate ferrotorch-nn 0.2.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ferrotorch-nn 0.2.3 on toolchain 88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ferrotorch-nn 0.2.3 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" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bcc4c54251c1796e490db20315039292eb5b66885799796fb8166698b28f248
[INFO] running `Command { std: "docker" "start" "-a" "8bcc4c54251c1796e490db20315039292eb5b66885799796fb8166698b28f248", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bcc4c54251c1796e490db20315039292eb5b66885799796fb8166698b28f248", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bcc4c54251c1796e490db20315039292eb5b66885799796fb8166698b28f248", kill_on_drop: false }`
[INFO] [stdout] 8bcc4c54251c1796e490db20315039292eb5b66885799796fb8166698b28f248
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66cb810f9abf284b7e06917f0e960a8eeeb22f5807edb56d87fcbbe383e1ff12
[INFO] running `Command { std: "docker" "start" "-a" "66cb810f9abf284b7e06917f0e960a8eeeb22f5807edb56d87fcbbe383e1ff12", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.6.4
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[INFO] [stderr]    Compiling equator-macro v0.6.0
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[INFO] [stderr]     Checking rand_distr v0.5.1
[INFO] [stderr]     Checking strength_reduce v0.2.4
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[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking rustfft v6.4.1
[INFO] [stderr]     Checking ferray-random v0.2.7
[INFO] [stderr]    Compiling ferrotorch-nn-derive v0.2.3
[INFO] [stderr]    Compiling core-math-sys v1.0.0
[INFO] [stderr]     Checking core-math v1.0.0
[INFO] [stderr]     Checking ferray-ufunc v0.2.7
[INFO] [stderr]     Checking nano-gemm v0.2.2
[INFO] [stderr]     Checking faer v0.24.0
[INFO] [stderr]     Checking ferray-linalg v0.2.7
[INFO] [stderr]     Checking ferrotorch-core v0.2.3
[INFO] [stderr]     Checking ferrotorch-nn v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `kernel_size`
[INFO] [stdout]    --> src/init.rs:895:13
[INFO] [stdout]     |
[INFO] [stdout] 895 |         let kernel_size = 9;
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_kernel_size`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 28s
[INFO] running `Command { std: "docker" "inspect" "66cb810f9abf284b7e06917f0e960a8eeeb22f5807edb56d87fcbbe383e1ff12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66cb810f9abf284b7e06917f0e960a8eeeb22f5807edb56d87fcbbe383e1ff12", kill_on_drop: false }`
[INFO] [stdout] 66cb810f9abf284b7e06917f0e960a8eeeb22f5807edb56d87fcbbe383e1ff12