[INFO] updating cached repository AberrantWolf/icebeam
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/AberrantWolf/icebeam
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/AberrantWolf/icebeam" "work/ex/beta-1.38-1/sources/1.37.0/gh/AberrantWolf/icebeam"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/AberrantWolf/icebeam'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/AberrantWolf/icebeam" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AberrantWolf/icebeam"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AberrantWolf/icebeam'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c10676ebde0cbe6981fb8a8477a70590f789d7ac
[INFO] sha for GitHub repo AberrantWolf/icebeam: c10676ebde0cbe6981fb8a8477a70590f789d7ac
[INFO] validating manifest of AberrantWolf/icebeam 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 AberrantWolf/icebeam 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 AberrantWolf/icebeam
[INFO] finished frobbing AberrantWolf/icebeam
[INFO] frobbed toml for AberrantWolf/icebeam written to work/ex/beta-1.38-1/sources/1.37.0/gh/AberrantWolf/icebeam/Cargo.toml
[INFO] started frobbing AberrantWolf/icebeam
[INFO] finished frobbing AberrantWolf/icebeam
[INFO] frobbed toml for AberrantWolf/icebeam written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/AberrantWolf/icebeam/Cargo.toml
[INFO] crate AberrantWolf/icebeam 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing AberrantWolf/icebeam 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/AberrantWolf/icebeam:/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] 82eb17e102f7df3ca6b062032e800ee21cd40310b2662901ab987f916c14b8a4
[INFO] running `"docker" "start" "-a" "82eb17e102f7df3ca6b062032e800ee21cd40310b2662901ab987f916c14b8a4"`
[INFO] [stderr]    Compiling either v1.1.0
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling shared_library v0.1.7
[INFO] [stderr]    Compiling x11-dl v2.15.0
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling tempfile v2.1.6
[INFO] [stderr]    Compiling wayland-scanner v0.9.9
[INFO] [stderr]    Compiling gfx_gl v0.3.1
[INFO] [stderr]    Compiling glutin v0.9.2
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling memmap v0.4.0
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling wayland-client v0.9.9
[INFO] [stderr]    Compiling wayland-protocols v0.9.9
[INFO] [stderr]    Compiling derivative v1.0.0
[INFO] [stderr]    Compiling gfx_core v0.7.2
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]    Compiling dlib v0.3.1
[INFO] [stderr]    Compiling wayland-sys v0.9.9
[INFO] [stderr]    Compiling wayland-kbd v0.9.1
[INFO] [stderr]    Compiling wayland-window v0.7.0
[INFO] [stderr]    Compiling winit v0.7.6
[INFO] [stderr]    Compiling gfx_device_gl v0.14.3
[INFO] [stderr]    Compiling gfx v0.16.1
[INFO] [stderr]    Compiling gfx_window_glutin v0.17.0
[INFO] [stderr]    Compiling ice_beam v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `Size`
[INFO] [stderr]  --> src/tracer/mod.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Size {
[INFO] [stderr]   | ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Color`
[INFO] [stderr]   --> src/tracer/mod.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct Color {
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Vector`
[INFO] [stderr]   --> src/tracer/mod.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | struct Vector {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Ray`
[INFO] [stderr]   --> src/tracer/mod.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | struct Ray {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 39s
[INFO] running `"docker" "inspect" "82eb17e102f7df3ca6b062032e800ee21cd40310b2662901ab987f916c14b8a4"`
[INFO] running `"docker" "rm" "-f" "82eb17e102f7df3ca6b062032e800ee21cd40310b2662901ab987f916c14b8a4"`
[INFO] [stdout] 82eb17e102f7df3ca6b062032e800ee21cd40310b2662901ab987f916c14b8a4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/AberrantWolf/icebeam:/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] 76f68ca1939abff53033cf449369d2a8d3cbccfdd6e4d4e4b49189b9397ce41b
[INFO] running `"docker" "start" "-a" "76f68ca1939abff53033cf449369d2a8d3cbccfdd6e4d4e4b49189b9397ce41b"`
[INFO] [stderr]    Compiling ice_beam v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `Size`
[INFO] [stderr]  --> src/tracer/mod.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Size {
[INFO] [stderr]   | ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Color`
[INFO] [stderr]   --> src/tracer/mod.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct Color {
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Vector`
[INFO] [stderr]   --> src/tracer/mod.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | struct Vector {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Ray`
[INFO] [stderr]   --> src/tracer/mod.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | struct Ray {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `"docker" "inspect" "76f68ca1939abff53033cf449369d2a8d3cbccfdd6e4d4e4b49189b9397ce41b"`
[INFO] running `"docker" "rm" "-f" "76f68ca1939abff53033cf449369d2a8d3cbccfdd6e4d4e4b49189b9397ce41b"`
[INFO] [stdout] 76f68ca1939abff53033cf449369d2a8d3cbccfdd6e4d4e4b49189b9397ce41b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/AberrantWolf/icebeam:/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] 35c6a836a2d1ca187505a931149f6ed3bef4dbdfa0f54a1eadf27001756fb02f
[INFO] running `"docker" "start" "-a" "35c6a836a2d1ca187505a931149f6ed3bef4dbdfa0f54a1eadf27001756fb02f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ice_beam-35bb6bcb9cab4c2a
[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" "35c6a836a2d1ca187505a931149f6ed3bef4dbdfa0f54a1eadf27001756fb02f"`
[INFO] running `"docker" "rm" "-f" "35c6a836a2d1ca187505a931149f6ed3bef4dbdfa0f54a1eadf27001756fb02f"`
[INFO] [stdout] 35c6a836a2d1ca187505a931149f6ed3bef4dbdfa0f54a1eadf27001756fb02f