[INFO] updating cached repository mwalczyk/machina-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mwalczyk/machina-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mwalczyk/machina-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/mwalczyk/machina-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mwalczyk/machina-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mwalczyk/machina-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mwalczyk/machina-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mwalczyk/machina-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 09e1afa5d1f15fca541b27f7f736bde6b6624d81
[INFO] sha for GitHub repo mwalczyk/machina-rs: 09e1afa5d1f15fca541b27f7f736bde6b6624d81
[INFO] validating manifest of mwalczyk/machina-rs 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 mwalczyk/machina-rs 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 mwalczyk/machina-rs
[INFO] finished frobbing mwalczyk/machina-rs
[INFO] frobbed toml for mwalczyk/machina-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/mwalczyk/machina-rs/Cargo.toml
[INFO] started frobbing mwalczyk/machina-rs
[INFO] finished frobbing mwalczyk/machina-rs
[INFO] frobbed toml for mwalczyk/machina-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mwalczyk/machina-rs/Cargo.toml
[INFO] crate mwalczyk/machina-rs 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 mwalczyk/machina-rs against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mwalczyk/machina-rs:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] da209fdb651b6d0a708ed1431a3c78fb6798ef710e29287fc51db53f19dba660
[INFO] running `"docker" "start" "-a" "da209fdb651b6d0a708ed1431a3c78fb6798ef710e29287fc51db53f19dba660"`
[INFO] [stderr]    Compiling matrixmultiply v0.1.13
[INFO] [stderr]    Compiling rulinalg v0.4.2
[INFO] [stderr]    Compiling machina-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::fs::File;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::io;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::io::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::path::Path;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rulinalg::vector::Vector`
[INFO] [stderr]  --> src/neural_network.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rulinalg::vector::Vector;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/neural_network.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `nearest_neighbor::NearestNeighbor`
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use nearest_neighbor::NearestNeighbor;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.81s
[INFO] running `"docker" "inspect" "da209fdb651b6d0a708ed1431a3c78fb6798ef710e29287fc51db53f19dba660"`
[INFO] running `"docker" "rm" "-f" "da209fdb651b6d0a708ed1431a3c78fb6798ef710e29287fc51db53f19dba660"`
[INFO] [stdout] da209fdb651b6d0a708ed1431a3c78fb6798ef710e29287fc51db53f19dba660
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mwalczyk/machina-rs:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0347f97424c7276be29e4c1cd43418384408e73b98324f71ae3e68c6d6885840
[INFO] running `"docker" "start" "-a" "0347f97424c7276be29e4c1cd43418384408e73b98324f71ae3e68c6d6885840"`
[INFO] [stderr]    Compiling machina-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::fs::File;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::io;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::io::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::path::Path;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rulinalg::vector::Vector`
[INFO] [stderr]  --> src/neural_network.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rulinalg::vector::Vector;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]  --> src/neural_network.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `nearest_neighbor::NearestNeighbor`
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use nearest_neighbor::NearestNeighbor;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "0347f97424c7276be29e4c1cd43418384408e73b98324f71ae3e68c6d6885840"`
[INFO] running `"docker" "rm" "-f" "0347f97424c7276be29e4c1cd43418384408e73b98324f71ae3e68c6d6885840"`
[INFO] [stdout] 0347f97424c7276be29e4c1cd43418384408e73b98324f71ae3e68c6d6885840
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mwalczyk/machina-rs:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 91d50bf4a792877b20de2672822595eea1c6e385ff67087d65abb265e3ce2ea6
[INFO] running `"docker" "start" "-a" "91d50bf4a792877b20de2672822595eea1c6e385ff67087d65abb265e3ce2ea6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/machina_rs-9bfa73915ac3a86e
[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" "91d50bf4a792877b20de2672822595eea1c6e385ff67087d65abb265e3ce2ea6"`
[INFO] running `"docker" "rm" "-f" "91d50bf4a792877b20de2672822595eea1c6e385ff67087d65abb265e3ce2ea6"`
[INFO] [stdout] 91d50bf4a792877b20de2672822595eea1c6e385ff67087d65abb265e3ce2ea6