[INFO] cloning repository https://github.com/mickvangelderen/nn-lab
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mickvangelderen/nn-lab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmickvangelderen%2Fnn-lab", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmickvangelderen%2Fnn-lab'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4440ea8c828de32175af86bc62f9d570edea78df
[INFO] checking mickvangelderen/nn-lab against try#901e6d56697c79b2e80df6a487b2318ec6f57ee3 for pr-142287
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmickvangelderen%2Fnn-lab" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: unable to write file data/train-images-idx3-ubyte.gz
[INFO] [stderr] error: unable to write file data/train-labels-idx1-ubyte.gz
[INFO] [stderr] fatal: cannot create directory at 'examples': No space left on device
[INFO] [stderr] warning: Clone succeeded, but checkout failed.
[INFO] [stderr] You can inspect what was checked out with 'git status'
[INFO] [stderr] and retry with 'git restore --source=HEAD :/'
[INFO] [stderr] 
[INFO] checking mickvangelderen/nn-lab against try#901e6d56697c79b2e80df6a487b2318ec6f57ee3 for pr-142287
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmickvangelderen%2Fnn-lab" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mickvangelderen/nn-lab on toolchain 901e6d56697c79b2e80df6a487b2318ec6f57ee3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mickvangelderen/nn-lab
[INFO] finished tweaking git repo https://github.com/mickvangelderen/nn-lab
[INFO] tweaked toml for git repo https://github.com/mickvangelderen/nn-lab written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mickvangelderen/nn-lab 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" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49a581f75858609aab40d997329f2e9295c801245b326ef03fcb721bc7dce468
[INFO] running `Command { std: "docker" "start" "-a" "49a581f75858609aab40d997329f2e9295c801245b326ef03fcb721bc7dce468", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49a581f75858609aab40d997329f2e9295c801245b326ef03fcb721bc7dce468", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49a581f75858609aab40d997329f2e9295c801245b326ef03fcb721bc7dce468", kill_on_drop: false }`
[INFO] [stdout] 49a581f75858609aab40d997329f2e9295c801245b326ef03fcb721bc7dce468
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+901e6d56697c79b2e80df6a487b2318ec6f57ee3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2134b74027cc59436b60e65900ef245ddb86bfc2670ac7ad382e1b190be9594
[INFO] running `Command { std: "docker" "start" "-a" "a2134b74027cc59436b60e65900ef245ddb86bfc2670ac7ad382e1b190be9594", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]     Checking flate2 v1.0.32
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking nn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated constant `ZERO` is never used
[INFO] [stdout]   --> src/math.rs:40:11
[INFO] [stdout]    |
[INFO] [stdout] 39 | trait Zero {
[INFO] [stdout]    |       ---- associated constant in this trait
[INFO] [stdout] 40 |     const ZERO: Self;
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `ZERO` is never used
[INFO] [stdout]   --> src/math.rs:40:11
[INFO] [stdout]    |
[INFO] [stdout] 39 | trait Zero {
[INFO] [stdout]    |       ---- associated constant in this trait
[INFO] [stdout] 40 |     const ZERO: Self;
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.52s
[INFO] running `Command { std: "docker" "inspect" "a2134b74027cc59436b60e65900ef245ddb86bfc2670ac7ad382e1b190be9594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2134b74027cc59436b60e65900ef245ddb86bfc2670ac7ad382e1b190be9594", kill_on_drop: false }`
[INFO] [stdout] a2134b74027cc59436b60e65900ef245ddb86bfc2670ac7ad382e1b190be9594