[INFO] cloning repository https://github.com/unic0rn9k/autodiff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/unic0rn9k/autodiff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funic0rn9k%2Fautodiff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funic0rn9k%2Fautodiff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 17e78f5d085e87dd55857991b576da302331051a
[INFO] checking unic0rn9k/autodiff against master#c290daa1e5274a52e54a0f49e31bd70192abc606 for pr-133502-23
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funic0rn9k%2Fautodiff" "/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/unic0rn9k/autodiff
[INFO] finished tweaking git repo https://github.com/unic0rn9k/autodiff
[INFO] tweaked toml for git repo https://github.com/unic0rn9k/autodiff written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/unic0rn9k/autodiff on toolchain c290daa1e5274a52e54a0f49e31bd70192abc606
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c290daa1e5274a52e54a0f49e31bd70192abc606" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/unic0rn9k/autodiff 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" "+c290daa1e5274a52e54a0f49e31bd70192abc606" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simba v0.8.1
[INFO] [stderr]   Downloaded safe_arch v0.7.0
[INFO] [stderr]   Downloaded paste v1.0.13
[INFO] [stderr]   Downloaded proc-macro2 v1.0.64
[INFO] [stderr]   Downloaded mnist v0.5.0
[INFO] [stderr]   Downloaded nalgebra-macros v0.2.1
[INFO] [stderr]   Downloaded pbr v1.1.1
[INFO] [stderr]   Downloaded wide v0.7.11
[INFO] [stderr]   Downloaded unicode-ident v1.0.10
[INFO] [stderr]   Downloaded quote v1.0.29
[INFO] [stderr]   Downloaded openssl-sys v0.9.90
[INFO] [stderr]   Downloaded libm v0.2.7
[INFO] [stderr]   Downloaded nalgebra v0.32.3
[INFO] [stderr]   Downloaded libz-sys v1.1.9
[INFO] [stderr]   Downloaded curl-sys v0.4.63+curl-8.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 923a8fb6568d1fc791a47b9047dea5dea8b291ddccf0b2bb3717079c2206a7fa
[INFO] running `Command { std: "docker" "start" "923a8fb6568d1fc791a47b9047dea5dea8b291ddccf0b2bb3717079c2206a7fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "923a8fb6568d1fc791a47b9047dea5dea8b291ddccf0b2bb3717079c2206a7fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "923a8fb6568d1fc791a47b9047dea5dea8b291ddccf0b2bb3717079c2206a7fa" "/opt/rustwide/cargo-home/bin/cargo" "+c290daa1e5274a52e54a0f49e31bd70192abc606" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "923a8fb6568d1fc791a47b9047dea5dea8b291ddccf0b2bb3717079c2206a7fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "923a8fb6568d1fc791a47b9047dea5dea8b291ddccf0b2bb3717079c2206a7fa" "/opt/rustwide/cargo-home/bin/cargo" "+c290daa1e5274a52e54a0f49e31bd70192abc606" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling paste v1.0.13
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking safe_arch v0.7.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.7
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking wide v0.7.11
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling curl v0.4.44
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling libz-sys v1.1.9
[INFO] [stderr]    Compiling openssl-sys v0.9.90
[INFO] [stderr]    Compiling curl-sys v0.4.63+curl-8.1.2
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking pbr v1.1.1
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking simba v0.8.1
[INFO] [stderr]     Checking mnist v0.5.0
[INFO] [stderr]    Compiling nalgebra-macros v0.2.1
[INFO] [stderr]     Checking nalgebra v0.32.3
[INFO] [stderr]     Checking autodiff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Matrix`
[INFO] [stdout]  --> src/value.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use nalgebra::{Matrix, Storage};
[INFO] [stdout]   |                    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Matrix`
[INFO] [stdout]  --> src/value.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use nalgebra::{Matrix, Storage};
[INFO] [stdout]   |                    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `test` is declared but not used
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking mnist_classifier v0.1.0 (/opt/rustwide/workdir/examples/mnist)
[INFO] [stderr] error: could not compile `mnist_classifier` (bin "mnist_classifier")
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/c290daa1e5274a52e54a0f49e31bd70192abc606/bin/rustc --crate-name mnist_classifier --edition=2021 examples/mnist/src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=06de8661b3d73eba -C extra-filename=-c92e1172a3a673c4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern autodiff=/opt/rustwide/target/debug/deps/libautodiff-f9f58c22b0cddb2a.rmeta --extern mnist=/opt/rustwide/target/debug/deps/libmnist-90b06d66731b950d.rmeta --cap-lints=forbid -L native=/usr/lib/x86_64-linux-gnu` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `mnist_classifier` (bin "mnist_classifier" test)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/c290daa1e5274a52e54a0f49e31bd70192abc606/bin/rustc --crate-name mnist_classifier --edition=2021 examples/mnist/src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=7642f87d67ac2791 -C extra-filename=-20e807009e545246 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern autodiff=/opt/rustwide/target/debug/deps/libautodiff-f9f58c22b0cddb2a.rmeta --extern mnist=/opt/rustwide/target/debug/deps/libmnist-90b06d66731b950d.rmeta --cap-lints=forbid -L native=/usr/lib/x86_64-linux-gnu` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "923a8fb6568d1fc791a47b9047dea5dea8b291ddccf0b2bb3717079c2206a7fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "923a8fb6568d1fc791a47b9047dea5dea8b291ddccf0b2bb3717079c2206a7fa", kill_on_drop: false }`
[INFO] [stdout] 923a8fb6568d1fc791a47b9047dea5dea8b291ddccf0b2bb3717079c2206a7fa
