[INFO] updating cached repository aktzk/photon_mapping_exp
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/aktzk/photon_mapping_exp
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/aktzk/photon_mapping_exp" "work/ex/beta-1.37-6/sources/1.36.0/gh/aktzk/photon_mapping_exp"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/aktzk/photon_mapping_exp'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/aktzk/photon_mapping_exp" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/aktzk/photon_mapping_exp"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/aktzk/photon_mapping_exp'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c46e89879bbbdb38f12cb3016e95f561186c3e45
[INFO] sha for GitHub repo aktzk/photon_mapping_exp: c46e89879bbbdb38f12cb3016e95f561186c3e45
[INFO] validating manifest of aktzk/photon_mapping_exp on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of aktzk/photon_mapping_exp on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing aktzk/photon_mapping_exp
[INFO] finished frobbing aktzk/photon_mapping_exp
[INFO] frobbed toml for aktzk/photon_mapping_exp written to work/ex/beta-1.37-6/sources/1.36.0/gh/aktzk/photon_mapping_exp/Cargo.toml
[INFO] started frobbing aktzk/photon_mapping_exp
[INFO] finished frobbing aktzk/photon_mapping_exp
[INFO] frobbed toml for aktzk/photon_mapping_exp written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/aktzk/photon_mapping_exp/Cargo.toml
[INFO] crate aktzk/photon_mapping_exp already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing aktzk/photon_mapping_exp against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/aktzk/photon_mapping_exp:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] ce8e421e23c7ab929979119233e06f964f6ce419814ce955768c905b6ab426d5
[INFO] running `"docker" "start" "-a" "ce8e421e23c7ab929979119233e06f964f6ce419814ce955768c905b6ab426d5"`
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling clicolors-control v1.0.0
[INFO] [stderr]    Compiling number_prefix v0.2.8
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling nalgebra v0.18.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling console v0.7.5
[INFO] [stderr]    Compiling indicatif v0.11.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling image v0.21.1
[INFO] [stderr]    Compiling nalgebra-glm v0.4.0
[INFO] [stderr]    Compiling photon_mapping v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `Rng` is imported redundantly
[INFO] [stderr]   --> src/utility.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 3  | use rand::Rng;
[INFO] [stderr]    |     --------- the item `Rng` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 36 |     use rand::Rng;
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `"docker" "inspect" "ce8e421e23c7ab929979119233e06f964f6ce419814ce955768c905b6ab426d5"`
[INFO] running `"docker" "rm" "-f" "ce8e421e23c7ab929979119233e06f964f6ce419814ce955768c905b6ab426d5"`
[INFO] [stdout] ce8e421e23c7ab929979119233e06f964f6ce419814ce955768c905b6ab426d5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/aktzk/photon_mapping_exp:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2343062d0e7cff2a8eb255d82e39a9968b3825b90a5e3529ebd6be04f11ca42e
[INFO] running `"docker" "start" "-a" "2343062d0e7cff2a8eb255d82e39a9968b3825b90a5e3529ebd6be04f11ca42e"`
[INFO] [stderr]    Compiling photon_mapping v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `Rng` is imported redundantly
[INFO] [stderr]   --> src/utility.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 3  | use rand::Rng;
[INFO] [stderr]    |     --------- the item `Rng` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 36 |     use rand::Rng;
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `"docker" "inspect" "2343062d0e7cff2a8eb255d82e39a9968b3825b90a5e3529ebd6be04f11ca42e"`
[INFO] running `"docker" "rm" "-f" "2343062d0e7cff2a8eb255d82e39a9968b3825b90a5e3529ebd6be04f11ca42e"`
[INFO] [stdout] 2343062d0e7cff2a8eb255d82e39a9968b3825b90a5e3529ebd6be04f11ca42e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/aktzk/photon_mapping_exp:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] c7f976bba93a1ee85aadc648b12caf6ef0f09e88327e6b322d2591c8d087d0dd
[INFO] running `"docker" "start" "-a" "c7f976bba93a1ee85aadc648b12caf6ef0f09e88327e6b322d2591c8d087d0dd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/photon_mapping-1a70a06365abf6db
[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" "c7f976bba93a1ee85aadc648b12caf6ef0f09e88327e6b322d2591c8d087d0dd"`
[INFO] running `"docker" "rm" "-f" "c7f976bba93a1ee85aadc648b12caf6ef0f09e88327e6b322d2591c8d087d0dd"`
[INFO] [stdout] c7f976bba93a1ee85aadc648b12caf6ef0f09e88327e6b322d2591c8d087d0dd