[INFO] updating cached repository tlowry/rust-ai-samples
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tlowry/rust-ai-samples
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tlowry/rust-ai-samples" "work/ex/beta-1.38-1/sources/1.37.0/gh/tlowry/rust-ai-samples"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tlowry/rust-ai-samples'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tlowry/rust-ai-samples" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tlowry/rust-ai-samples"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tlowry/rust-ai-samples'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e68bc84e4549e25e0dab70ae1eb33626ebc7aab2
[INFO] sha for GitHub repo tlowry/rust-ai-samples: e68bc84e4549e25e0dab70ae1eb33626ebc7aab2
[INFO] validating manifest of tlowry/rust-ai-samples on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tlowry/rust-ai-samples on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tlowry/rust-ai-samples
[INFO] finished frobbing tlowry/rust-ai-samples
[INFO] frobbed toml for tlowry/rust-ai-samples written to work/ex/beta-1.38-1/sources/1.37.0/gh/tlowry/rust-ai-samples/Cargo.toml
[INFO] started frobbing tlowry/rust-ai-samples
[INFO] finished frobbing tlowry/rust-ai-samples
[INFO] frobbed toml for tlowry/rust-ai-samples written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tlowry/rust-ai-samples/Cargo.toml
[INFO] crate tlowry/rust-ai-samples already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing tlowry/rust-ai-samples against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tlowry/rust-ai-samples:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 0bc4af1af90230594cd8628efdd05002e59c8859f17a1d1efc3bc5de15a865d4
[INFO] running `"docker" "start" "-a" "0bc4af1af90230594cd8628efdd05002e59c8859f17a1d1efc3bc5de15a865d4"`
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling ndarray v0.12.0
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling tempfile v2.2.0
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]    Compiling num-bigint v0.1.41
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling gl_generator v0.6.1
[INFO] [stderr]    Compiling gfx_core v0.4.0
[INFO] [stderr]    Compiling x11-dl v2.17.2
[INFO] [stderr]    Compiling glutin v0.6.2
[INFO] [stderr]    Compiling gfx_gl v0.3.1
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling memmap v0.2.3
[INFO] [stderr]    Compiling pistoncore-event_loop v0.25.1
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling num-rational v0.1.40
[INFO] [stderr]    Compiling piston v0.25.1
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling gl v0.6.5
[INFO] [stderr]    Compiling png v0.5.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.13
[INFO] [stderr]    Compiling image v0.10.4
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]    Compiling dlib v0.3.1
[INFO] [stderr]    Compiling wayland-sys v0.5.11
[INFO] [stderr]    Compiling wayland-client v0.5.12
[INFO] [stderr]    Compiling wayland-window v0.2.3
[INFO] [stderr]    Compiling wayland-kbd v0.3.6
[INFO] [stderr]    Compiling gfx v0.12.2
[INFO] [stderr]    Compiling gfx_device_gl v0.11.2
[INFO] [stderr]    Compiling piston-gfx_texture v0.17.0
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.29.0
[INFO] [stderr]    Compiling piston2d-gfx_graphics v0.31.2
[INFO] [stderr]    Compiling piston_window v0.52.0
[INFO] [stderr]    Compiling dataplotlib v0.1.3
[INFO] [stderr]    Compiling rust-ai-samples v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:35:27
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn draw(x: &Vec<f64>, f: &Fn(f64) -> f64) {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sigmoid`
[INFO] [stderr]   --> src/main.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn sigmoid(input: f64) -> f64 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 11s
[INFO] running `"docker" "inspect" "0bc4af1af90230594cd8628efdd05002e59c8859f17a1d1efc3bc5de15a865d4"`
[INFO] running `"docker" "rm" "-f" "0bc4af1af90230594cd8628efdd05002e59c8859f17a1d1efc3bc5de15a865d4"`
[INFO] [stdout] 0bc4af1af90230594cd8628efdd05002e59c8859f17a1d1efc3bc5de15a865d4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tlowry/rust-ai-samples:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 76137817cf790aa6797cb5c016ad291f49d49e32b5112221fc104c6128a5e43e
[INFO] running `"docker" "start" "-a" "76137817cf790aa6797cb5c016ad291f49d49e32b5112221fc104c6128a5e43e"`
[INFO] [stderr]    Compiling rust-ai-samples v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:35:27
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn draw(x: &Vec<f64>, f: &Fn(f64) -> f64) {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f64) -> f64`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sigmoid`
[INFO] [stderr]   --> src/main.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn sigmoid(input: f64) -> f64 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `"docker" "inspect" "76137817cf790aa6797cb5c016ad291f49d49e32b5112221fc104c6128a5e43e"`
[INFO] running `"docker" "rm" "-f" "76137817cf790aa6797cb5c016ad291f49d49e32b5112221fc104c6128a5e43e"`
[INFO] [stdout] 76137817cf790aa6797cb5c016ad291f49d49e32b5112221fc104c6128a5e43e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tlowry/rust-ai-samples:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 3863cd5dc21f6087b56e296f5f58620724ffa3f02e5a514ce2efdb010bd335f4
[INFO] running `"docker" "start" "-a" "3863cd5dc21f6087b56e296f5f58620724ffa3f02e5a514ce2efdb010bd335f4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_ai_samples-cf08b830df5a0e4e
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3863cd5dc21f6087b56e296f5f58620724ffa3f02e5a514ce2efdb010bd335f4"`
[INFO] running `"docker" "rm" "-f" "3863cd5dc21f6087b56e296f5f58620724ffa3f02e5a514ce2efdb010bd335f4"`
[INFO] [stdout] 3863cd5dc21f6087b56e296f5f58620724ffa3f02e5a514ce2efdb010bd335f4