[INFO] fetching crate dfdx 0.9.0...
[INFO] checking dfdx-0.9.0 against master#6b6610b8bd5112bbb3bd2b73a97250cb06979505 for pr-102713
[INFO] extracting crate dfdx 0.9.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate dfdx 0.9.0 on toolchain 6b6610b8bd5112bbb3bd2b73a97250cb06979505
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6b6610b8bd5112bbb3bd2b73a97250cb06979505" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dfdx 0.9.0
[INFO] finished tweaking crates.io crate dfdx 0.9.0
[INFO] tweaked toml for crates.io crate dfdx 0.9.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate dfdx 0.9.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6b6610b8bd5112bbb3bd2b73a97250cb06979505" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mnist v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+6b6610b8bd5112bbb3bd2b73a97250cb06979505" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51a3cebb3dd537641d22aea16a5eabb73dca7045c281dee29754d610fc38f3d8
[INFO] running `Command { std: "docker" "start" "-a" "51a3cebb3dd537641d22aea16a5eabb73dca7045c281dee29754d610fc38f3d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51a3cebb3dd537641d22aea16a5eabb73dca7045c281dee29754d610fc38f3d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51a3cebb3dd537641d22aea16a5eabb73dca7045c281dee29754d610fc38f3d8", kill_on_drop: false }`
[INFO] [stdout] 51a3cebb3dd537641d22aea16a5eabb73dca7045c281dee29754d610fc38f3d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+6b6610b8bd5112bbb3bd2b73a97250cb06979505" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 333e47d355c64571bc1b8f811ec0d6afbfb3ed16ca9d7def9b4cdf17e0a7b80f
[INFO] running `Command { std: "docker" "start" "-a" "333e47d355c64571bc1b8f811ec0d6afbfb3ed16ca9d7def9b4cdf17e0a7b80f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling semver v1.0.12
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling zstd-safe v4.1.6+zstd.1.5.2
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking base64ct v1.0.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking mnist v0.5.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling dfdx v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking time v0.3.9
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking password-hash v0.3.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]    Compiling zstd-sys v1.6.3+zstd.1.5.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking aes v0.7.5
[INFO] [stderr]     Checking sha2 v0.10.2
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha1 v0.10.1
[INFO] [stderr]     Checking pbkdf2 v0.10.1
[INFO] [stderr]     Checking bzip2 v0.4.3
[INFO] [stderr]     Checking zstd v0.10.2+zstd.1.5.2
[INFO] [stderr]     Checking zip v0.6.2
[INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> examples/conv_net.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "nightly", feature(generic_const_exprs))]
[INFO] [stdout]   |                                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.01s
[INFO] running `Command { std: "docker" "inspect" "333e47d355c64571bc1b8f811ec0d6afbfb3ed16ca9d7def9b4cdf17e0a7b80f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "333e47d355c64571bc1b8f811ec0d6afbfb3ed16ca9d7def9b4cdf17e0a7b80f", kill_on_drop: false }`
[INFO] [stdout] 333e47d355c64571bc1b8f811ec0d6afbfb3ed16ca9d7def9b4cdf17e0a7b80f