[INFO] updating cached repository cawcaw/darkness
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cawcaw/darkness
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cawcaw/darkness" "work/ex/beta-1.37-6/sources/1.36.0/gh/cawcaw/darkness"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/cawcaw/darkness'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cawcaw/darkness" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cawcaw/darkness"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cawcaw/darkness'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0d4ea7b5035eb5605e895fe0bbbc85c0fffd359c
[INFO] sha for GitHub repo cawcaw/darkness: 0d4ea7b5035eb5605e895fe0bbbc85c0fffd359c
[INFO] validating manifest of cawcaw/darkness 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 cawcaw/darkness 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 cawcaw/darkness
[INFO] finished frobbing cawcaw/darkness
[INFO] frobbed toml for cawcaw/darkness written to work/ex/beta-1.37-6/sources/1.36.0/gh/cawcaw/darkness/Cargo.toml
[INFO] started frobbing cawcaw/darkness
[INFO] finished frobbing cawcaw/darkness
[INFO] frobbed toml for cawcaw/darkness written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cawcaw/darkness/Cargo.toml
[INFO] crate cawcaw/darkness 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing cawcaw/darkness against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cawcaw/darkness:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] aa08ce7daa15a648d579f25ee5fa99fa7cdf38767426718b4f9c41f3bf076881
[INFO] running `"docker" "start" "-a" "aa08ce7daa15a648d579f25ee5fa99fa7cdf38767426718b4f9c41f3bf076881"`
[INFO] [stderr]    Compiling cmake v0.1.35
[INFO] [stderr]    Compiling proc-macro2 v0.4.26
[INFO] [stderr]    Compiling nix v0.12.0
[INFO] [stderr]    Compiling approx v0.3.1
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling ordered-float v0.4.0
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling rusttype v0.7.3
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling glfw-sys v3.2.2
[INFO] [stderr]    Compiling rand v0.6.4
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling edn v0.3.0
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling andrew v0.1.6
[INFO] [stderr]    Compiling wayland-scanner v0.21.11
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling glfw v0.26.1
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling wayland-client v0.21.11
[INFO] [stderr]    Compiling wayland-protocols v0.21.11
[INFO] [stderr]    Compiling wayland-commons v0.21.11
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling derivative v1.0.2
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling tiff v0.2.1
[INFO] [stderr]    Compiling gfx_core v0.8.3
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.4
[INFO] [stderr]    Compiling image v0.21.0
[INFO] [stderr]    Compiling winit v0.18.1
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]    Compiling gfx_device_gl v0.15.5
[INFO] [stderr]    Compiling gfx v0.17.1
[INFO] [stderr]    Compiling gfx_window_glutin v0.28.0
[INFO] [stderr]    Compiling darkness v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::iter::Map`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use std::iter::Map;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:130:5
[INFO] [stderr]     |
[INFO] [stderr] 130 |     model_file.read_to_string(&mut model_edn);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 21s
[INFO] running `"docker" "inspect" "aa08ce7daa15a648d579f25ee5fa99fa7cdf38767426718b4f9c41f3bf076881"`
[INFO] running `"docker" "rm" "-f" "aa08ce7daa15a648d579f25ee5fa99fa7cdf38767426718b4f9c41f3bf076881"`
[INFO] [stdout] aa08ce7daa15a648d579f25ee5fa99fa7cdf38767426718b4f9c41f3bf076881
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cawcaw/darkness:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] b3e99935f9b1dd31a33924bfda7707d598bdfd17cb143cf6e9a2acbd3223254e
[INFO] running `"docker" "start" "-a" "b3e99935f9b1dd31a33924bfda7707d598bdfd17cb143cf6e9a2acbd3223254e"`
[INFO] [stderr]    Compiling darkness v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::iter::Map`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use std::iter::Map;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:130:5
[INFO] [stderr]     |
[INFO] [stderr] 130 |     model_file.read_to_string(&mut model_edn);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.75s
[INFO] running `"docker" "inspect" "b3e99935f9b1dd31a33924bfda7707d598bdfd17cb143cf6e9a2acbd3223254e"`
[INFO] running `"docker" "rm" "-f" "b3e99935f9b1dd31a33924bfda7707d598bdfd17cb143cf6e9a2acbd3223254e"`
[INFO] [stdout] b3e99935f9b1dd31a33924bfda7707d598bdfd17cb143cf6e9a2acbd3223254e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/cawcaw/darkness:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 973a87ef3485678a1cd5eefeb2d5544ae7e294378caea2ebb160be779d7e8387
[INFO] running `"docker" "start" "-a" "973a87ef3485678a1cd5eefeb2d5544ae7e294378caea2ebb160be779d7e8387"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/darkness-bdd84fec65210b97
[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" "973a87ef3485678a1cd5eefeb2d5544ae7e294378caea2ebb160be779d7e8387"`
[INFO] running `"docker" "rm" "-f" "973a87ef3485678a1cd5eefeb2d5544ae7e294378caea2ebb160be779d7e8387"`
[INFO] [stdout] 973a87ef3485678a1cd5eefeb2d5544ae7e294378caea2ebb160be779d7e8387