[INFO] updating cached repository solowt/viewshed-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/solowt/viewshed-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/solowt/viewshed-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/solowt/viewshed-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/solowt/viewshed-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/solowt/viewshed-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/solowt/viewshed-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/solowt/viewshed-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ca5f28700f26cde4d49c61bc7b36465f36247650
[INFO] sha for GitHub repo solowt/viewshed-rs: ca5f28700f26cde4d49c61bc7b36465f36247650
[INFO] validating manifest of solowt/viewshed-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 solowt/viewshed-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 solowt/viewshed-rs
[INFO] finished frobbing solowt/viewshed-rs
[INFO] frobbed toml for solowt/viewshed-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/solowt/viewshed-rs/Cargo.toml
[INFO] started frobbing solowt/viewshed-rs
[INFO] finished frobbing solowt/viewshed-rs
[INFO] frobbed toml for solowt/viewshed-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/solowt/viewshed-rs/Cargo.toml
[INFO] crate solowt/viewshed-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 solowt/viewshed-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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/solowt/viewshed-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] 5c48fbd50f789093faba7985f65592eeac5dd3bd5f7cbc8e04019f7dbbae37b2
[INFO] running `"docker" "start" "-a" "5c48fbd50f789093faba7985f65592eeac5dd3bd5f7cbc8e04019f7dbbae37b2"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num_cpus v1.2.1
[INFO] [stderr]    Compiling deflate v0.7.1
[INFO] [stderr]    Compiling rayon v0.6.0
[INFO] [stderr]    Compiling png v0.6.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.10
[INFO] [stderr]    Compiling image v0.12.0
[INFO] [stderr]    Compiling viewshed v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: module `Raster` should have a snake case name
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | mod Raster;
[INFO] [stderr]   |     ^^^^^^ help: convert the identifier to snake case: `raster`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: module `ResultRaster` should have a snake case name
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | mod ResultRaster;
[INFO] [stderr]   |     ^^^^^^^^^^^^ help: convert the identifier to snake case: `result_raster`
[INFO] [stderr] 
[INFO] [stderr] warning: module `Point` should have a snake case name
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | mod Point;
[INFO] [stderr]   |     ^^^^^ help: convert the identifier to snake case: `point`
[INFO] [stderr] 
[INFO] [stderr] warning: module `Circle` should have a snake case name
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | mod Circle;
[INFO] [stderr]   |     ^^^^^^ help: convert the identifier to snake case: `circle`
[INFO] [stderr] 
[INFO] [stderr] warning: module `RasterUtils` should have a snake case name
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | mod RasterUtils;
[INFO] [stderr]   |     ^^^^^^^^^^^ help: convert the identifier to snake case: `raster_utils`
[INFO] [stderr] 
[INFO] [stderr] warning: module `Path` should have a snake case name
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | mod Path;
[INFO] [stderr]   |     ^^^^ help: convert the identifier to snake case: `path`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.22s
[INFO] running `"docker" "inspect" "5c48fbd50f789093faba7985f65592eeac5dd3bd5f7cbc8e04019f7dbbae37b2"`
[INFO] running `"docker" "rm" "-f" "5c48fbd50f789093faba7985f65592eeac5dd3bd5f7cbc8e04019f7dbbae37b2"`
[INFO] [stdout] 5c48fbd50f789093faba7985f65592eeac5dd3bd5f7cbc8e04019f7dbbae37b2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/solowt/viewshed-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] 541bc1190e59fc1c8e2a0089ed6d0ebb624e0916dca0dc9b4853ebe37457faec
[INFO] running `"docker" "start" "-a" "541bc1190e59fc1c8e2a0089ed6d0ebb624e0916dca0dc9b4853ebe37457faec"`
[INFO] [stderr]    Compiling viewshed v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: module `Raster` should have a snake case name
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | mod Raster;
[INFO] [stderr]   |     ^^^^^^ help: convert the identifier to snake case: `raster`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: module `ResultRaster` should have a snake case name
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | mod ResultRaster;
[INFO] [stderr]   |     ^^^^^^^^^^^^ help: convert the identifier to snake case: `result_raster`
[INFO] [stderr] 
[INFO] [stderr] warning: module `Point` should have a snake case name
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | mod Point;
[INFO] [stderr]   |     ^^^^^ help: convert the identifier to snake case: `point`
[INFO] [stderr] 
[INFO] [stderr] warning: module `Circle` should have a snake case name
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | mod Circle;
[INFO] [stderr]   |     ^^^^^^ help: convert the identifier to snake case: `circle`
[INFO] [stderr] 
[INFO] [stderr] warning: module `RasterUtils` should have a snake case name
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | mod RasterUtils;
[INFO] [stderr]   |     ^^^^^^^^^^^ help: convert the identifier to snake case: `raster_utils`
[INFO] [stderr] 
[INFO] [stderr] warning: module `Path` should have a snake case name
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | mod Path;
[INFO] [stderr]   |     ^^^^ help: convert the identifier to snake case: `path`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `"docker" "inspect" "541bc1190e59fc1c8e2a0089ed6d0ebb624e0916dca0dc9b4853ebe37457faec"`
[INFO] running `"docker" "rm" "-f" "541bc1190e59fc1c8e2a0089ed6d0ebb624e0916dca0dc9b4853ebe37457faec"`
[INFO] [stdout] 541bc1190e59fc1c8e2a0089ed6d0ebb624e0916dca0dc9b4853ebe37457faec
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/solowt/viewshed-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] 70a095c451c00c8025ae121931a6388f08fecd9c90d5027b225596a465a6d62a
[INFO] running `"docker" "start" "-a" "70a095c451c00c8025ae121931a6388f08fecd9c90d5027b225596a465a6d62a"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/viewshed-167e951c173cad32
[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" "70a095c451c00c8025ae121931a6388f08fecd9c90d5027b225596a465a6d62a"`
[INFO] running `"docker" "rm" "-f" "70a095c451c00c8025ae121931a6388f08fecd9c90d5027b225596a465a6d62a"`
[INFO] [stdout] 70a095c451c00c8025ae121931a6388f08fecd9c90d5027b225596a465a6d62a