[INFO] updating cached repository floriama/algen
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/floriama/algen
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/floriama/algen" "work/ex/beta-1.38-1/sources/1.37.0/gh/floriama/algen"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/floriama/algen'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/floriama/algen" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/floriama/algen"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/floriama/algen'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 495b8249e9dbb7889cc85cecb3c0ccc51ea0abd0
[INFO] sha for GitHub repo floriama/algen: 495b8249e9dbb7889cc85cecb3c0ccc51ea0abd0
[INFO] validating manifest of floriama/algen 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 floriama/algen 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 floriama/algen
[INFO] finished frobbing floriama/algen
[INFO] frobbed toml for floriama/algen written to work/ex/beta-1.38-1/sources/1.37.0/gh/floriama/algen/Cargo.toml
[INFO] started frobbing floriama/algen
[INFO] finished frobbing floriama/algen
[INFO] frobbed toml for floriama/algen written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/floriama/algen/Cargo.toml
[INFO] crate floriama/algen 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 floriama/algen 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/floriama/algen:/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] d29fcd841c141f8eb7b02244c4a957358c5546793248fdcfa313cb678a06e5c3
[INFO] running `"docker" "start" "-a" "d29fcd841c141f8eb7b02244c4a957358c5546793248fdcfa313cb678a06e5c3"`
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling sample v0.9.1
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]    Compiling wayland-scanner v0.20.12
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling syn v0.15.15
[INFO] [stderr]    Compiling ordered-float v0.5.2
[INFO] [stderr]    Compiling noise v0.4.1
[INFO] [stderr]    Compiling cpal v0.8.2
[INFO] [stderr]    Compiling wayland-sys v0.20.12
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]    Compiling phf v0.7.23
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling rusttype v0.5.2
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling wayland-client v0.20.12
[INFO] [stderr]    Compiling wayland-protocols v0.20.12
[INFO] [stderr]    Compiling wayland-commons v0.20.12
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling glutin v0.17.0
[INFO] [stderr]    Compiling glium v0.22.0
[INFO] [stderr]    Compiling palette v0.2.1
[INFO] [stderr]    Compiling pennereq v0.2.0
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling smithay-client-toolkit v0.2.6
[INFO] [stderr]    Compiling image v0.19.0
[INFO] [stderr]    Compiling winit v0.16.2
[INFO] [stderr]    Compiling conrod_derive v0.1.2
[INFO] [stderr]    Compiling pistoncore-input v0.21.0
[INFO] [stderr]    Compiling serde_json v1.0.32
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling toml v0.4.8
[INFO] [stderr]    Compiling conrod v0.61.1
[INFO] [stderr]    Compiling nannou v0.8.0
[INFO] [stderr]    Compiling flocking v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:58:21
[INFO] [stderr]    |
[INFO] [stderr] 58 |                 let mut fps = (1.0/dt).round().to_string();
[INFO] [stderr]    |                     ----^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 49s
[INFO] running `"docker" "inspect" "d29fcd841c141f8eb7b02244c4a957358c5546793248fdcfa313cb678a06e5c3"`
[INFO] running `"docker" "rm" "-f" "d29fcd841c141f8eb7b02244c4a957358c5546793248fdcfa313cb678a06e5c3"`
[INFO] [stdout] d29fcd841c141f8eb7b02244c4a957358c5546793248fdcfa313cb678a06e5c3
[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/floriama/algen:/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] f355ae4cd64da8f71dd38a8198d7bd304c28dcc19d6fb35adec5c5c1e80ca802
[INFO] running `"docker" "start" "-a" "f355ae4cd64da8f71dd38a8198d7bd304c28dcc19d6fb35adec5c5c1e80ca802"`
[INFO] [stderr]    Compiling flocking v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:58:21
[INFO] [stderr]    |
[INFO] [stderr] 58 |                 let mut fps = (1.0/dt).round().to_string();
[INFO] [stderr]    |                     ----^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.93s
[INFO] running `"docker" "inspect" "f355ae4cd64da8f71dd38a8198d7bd304c28dcc19d6fb35adec5c5c1e80ca802"`
[INFO] running `"docker" "rm" "-f" "f355ae4cd64da8f71dd38a8198d7bd304c28dcc19d6fb35adec5c5c1e80ca802"`
[INFO] [stdout] f355ae4cd64da8f71dd38a8198d7bd304c28dcc19d6fb35adec5c5c1e80ca802
[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/floriama/algen:/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] cd4df6d907fc5bd0e10217207c0321b86f60aaebd5a8dad3d5045ffd411ae36c
[INFO] running `"docker" "start" "-a" "cd4df6d907fc5bd0e10217207c0321b86f60aaebd5a8dad3d5045ffd411ae36c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/flocking-403b2658786f0610
[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" "cd4df6d907fc5bd0e10217207c0321b86f60aaebd5a8dad3d5045ffd411ae36c"`
[INFO] running `"docker" "rm" "-f" "cd4df6d907fc5bd0e10217207c0321b86f60aaebd5a8dad3d5045ffd411ae36c"`
[INFO] [stdout] cd4df6d907fc5bd0e10217207c0321b86f60aaebd5a8dad3d5045ffd411ae36c