[INFO] updating cached repository jamwaffles/pi_cube
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jamwaffles/pi_cube
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jamwaffles/pi_cube" "work/ex/beta-1.38-1/sources/1.37.0/gh/jamwaffles/pi_cube"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jamwaffles/pi_cube'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jamwaffles/pi_cube" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jamwaffles/pi_cube"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jamwaffles/pi_cube'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c34baf72d07ede2f689171998b057d06106fe730
[INFO] sha for GitHub repo jamwaffles/pi_cube: c34baf72d07ede2f689171998b057d06106fe730
[INFO] validating manifest of jamwaffles/pi_cube 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 jamwaffles/pi_cube 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 jamwaffles/pi_cube
[INFO] finished frobbing jamwaffles/pi_cube
[INFO] frobbed toml for jamwaffles/pi_cube written to work/ex/beta-1.38-1/sources/1.37.0/gh/jamwaffles/pi_cube/Cargo.toml
[INFO] started frobbing jamwaffles/pi_cube
[INFO] finished frobbing jamwaffles/pi_cube
[INFO] frobbed toml for jamwaffles/pi_cube written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jamwaffles/pi_cube/Cargo.toml
[INFO] crate jamwaffles/pi_cube 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 jamwaffles/pi_cube 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-0/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/jamwaffles/pi_cube:/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] 8bb3598bb62af6a28b0bf130475d59d4407ca8241d29eb7efe82a22077ce401e
[INFO] running `"docker" "start" "-a" "8bb3598bb62af6a28b0bf130475d59d4407ca8241d29eb7efe82a22077ce401e"`
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling spidev v0.3.0
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling apa106_spi v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `fire`
[INFO] [stderr]  --> src/patterns.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn fire(cube: &mut Cube4) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.95s
[INFO] running `"docker" "inspect" "8bb3598bb62af6a28b0bf130475d59d4407ca8241d29eb7efe82a22077ce401e"`
[INFO] running `"docker" "rm" "-f" "8bb3598bb62af6a28b0bf130475d59d4407ca8241d29eb7efe82a22077ce401e"`
[INFO] [stdout] 8bb3598bb62af6a28b0bf130475d59d4407ca8241d29eb7efe82a22077ce401e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/jamwaffles/pi_cube:/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] 04bd7242eca1ab3b8911fb8593acb0faaa9aa1ddb309453f7a9341bab59aa3c2
[INFO] running `"docker" "start" "-a" "04bd7242eca1ab3b8911fb8593acb0faaa9aa1ddb309453f7a9341bab59aa3c2"`
[INFO] [stderr]    Compiling apa106_spi v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `fire`
[INFO] [stderr]  --> src/patterns.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn fire(cube: &mut Cube4) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "04bd7242eca1ab3b8911fb8593acb0faaa9aa1ddb309453f7a9341bab59aa3c2"`
[INFO] running `"docker" "rm" "-f" "04bd7242eca1ab3b8911fb8593acb0faaa9aa1ddb309453f7a9341bab59aa3c2"`
[INFO] [stdout] 04bd7242eca1ab3b8911fb8593acb0faaa9aa1ddb309453f7a9341bab59aa3c2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/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/jamwaffles/pi_cube:/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] a6be6b23b0d66fc4856eec16e645f7d19f449b3852d7e07756e45b37aefa69ea
[INFO] running `"docker" "start" "-a" "a6be6b23b0d66fc4856eec16e645f7d19f449b3852d7e07756e45b37aefa69ea"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/apa106_spi-341f44c801805eca
[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" "a6be6b23b0d66fc4856eec16e645f7d19f449b3852d7e07756e45b37aefa69ea"`
[INFO] running `"docker" "rm" "-f" "a6be6b23b0d66fc4856eec16e645f7d19f449b3852d7e07756e45b37aefa69ea"`
[INFO] [stdout] a6be6b23b0d66fc4856eec16e645f7d19f449b3852d7e07756e45b37aefa69ea