[INFO] updating cached repository carlossless/yargb
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/carlossless/yargb
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/carlossless/yargb" "work/ex/beta-1.37-6/sources/1.36.0/gh/carlossless/yargb"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/carlossless/yargb'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/carlossless/yargb" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/carlossless/yargb"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/carlossless/yargb'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 743edf8b8d0740d34933a07b0078123c467000df
[INFO] sha for GitHub repo carlossless/yargb: 743edf8b8d0740d34933a07b0078123c467000df
[INFO] validating manifest of carlossless/yargb 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 carlossless/yargb 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 carlossless/yargb
[INFO] finished frobbing carlossless/yargb
[INFO] frobbed toml for carlossless/yargb written to work/ex/beta-1.37-6/sources/1.36.0/gh/carlossless/yargb/Cargo.toml
[INFO] started frobbing carlossless/yargb
[INFO] finished frobbing carlossless/yargb
[INFO] frobbed toml for carlossless/yargb written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/carlossless/yargb/Cargo.toml
[INFO] crate carlossless/yargb 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing carlossless/yargb 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-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/carlossless/yargb:/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] 78871f8538806dc3022ae60b0a6ca0f1812cfcb1220df6b4f3b278529a98b34a
[INFO] running `"docker" "start" "-a" "78871f8538806dc3022ae60b0a6ca0f1812cfcb1220df6b4f3b278529a98b34a"`
[INFO] [stderr]    Compiling khronos_api v2.1.0
[INFO] [stderr]    Compiling x11-dl v2.17.3
[INFO] [stderr]    Compiling memmap v0.6.2
[INFO] [stderr]    Compiling shared_library v0.1.8
[INFO] [stderr]    Compiling num-complex v0.1.42
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling dlib v0.4.0
[INFO] [stderr]    Compiling num-bigint v0.1.43
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling wayland-sys v0.12.5
[INFO] [stderr]    Compiling tempfile v2.2.0
[INFO] [stderr]    Compiling gl_generator v0.8.0
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling glutin v0.12.2
[INFO] [stderr]    Compiling glium v0.20.0
[INFO] [stderr]    Compiling glutin v0.13.0
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]    Compiling wayland-kbd v0.13.1
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling wayland-window v0.13.2
[INFO] [stderr]    Compiling winit v0.10.0
[INFO] [stderr]    Compiling winit v0.11.1
[INFO] [stderr]    Compiling yargb v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `utils::format::FormatAsSigned`
[INFO] [stderr]  --> src/cpu/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use utils::format::FormatAsSigned;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `C`, `H`, `N`, `Z`
[INFO] [stderr]  --> src/cpu/load.rs:2:24
[INFO] [stderr]   |
[INFO] [stderr] 2 | use registers::Flag::{ Z, N, H, C };
[INFO] [stderr]   |                        ^  ^  ^  ^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pc`
[INFO] [stderr]    --> src/cpu/mod.rs:617:13
[INFO] [stderr]     |
[INFO] [stderr] 617 |         let pc = self.regs.pc;
[INFO] [stderr]     |             ^^ help: consider prefixing with an underscore: `_pc`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let mut events_loop = glutin::EventsLoop::new();
[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] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let mut running = true;
[INFO] [stderr]    |         ----^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AF`
[INFO] [stderr]   --> src/registers.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     AF,
[INFO] [stderr]    |     ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `FormatAsSigned`
[INFO] [stderr]  --> src/utils/format.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct FormatAsSigned<T: Signed>(pub T);
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 31s
[INFO] running `"docker" "inspect" "78871f8538806dc3022ae60b0a6ca0f1812cfcb1220df6b4f3b278529a98b34a"`
[INFO] running `"docker" "rm" "-f" "78871f8538806dc3022ae60b0a6ca0f1812cfcb1220df6b4f3b278529a98b34a"`
[INFO] [stdout] 78871f8538806dc3022ae60b0a6ca0f1812cfcb1220df6b4f3b278529a98b34a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/carlossless/yargb:/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] 635f8158a1c8397233d08a0ebd093d3220fbf98e520a78db3b929826df4f33e6
[INFO] running `"docker" "start" "-a" "635f8158a1c8397233d08a0ebd093d3220fbf98e520a78db3b929826df4f33e6"`
[INFO] [stderr]    Compiling yargb v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `utils::format::FormatAsSigned`
[INFO] [stderr]  --> src/cpu/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use utils::format::FormatAsSigned;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `C`, `H`, `N`, `Z`
[INFO] [stderr]  --> src/cpu/load.rs:2:24
[INFO] [stderr]   |
[INFO] [stderr] 2 | use registers::Flag::{ Z, N, H, C };
[INFO] [stderr]   |                        ^  ^  ^  ^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pc`
[INFO] [stderr]    --> src/cpu/mod.rs:617:13
[INFO] [stderr]     |
[INFO] [stderr] 617 |         let pc = self.regs.pc;
[INFO] [stderr]     |             ^^ help: consider prefixing with an underscore: `_pc`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let mut events_loop = glutin::EventsLoop::new();
[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] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let mut running = true;
[INFO] [stderr]    |         ----^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AF`
[INFO] [stderr]   --> src/registers.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     AF,
[INFO] [stderr]    |     ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `FormatAsSigned`
[INFO] [stderr]  --> src/utils/format.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct FormatAsSigned<T: Signed>(pub T);
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `"docker" "inspect" "635f8158a1c8397233d08a0ebd093d3220fbf98e520a78db3b929826df4f33e6"`
[INFO] running `"docker" "rm" "-f" "635f8158a1c8397233d08a0ebd093d3220fbf98e520a78db3b929826df4f33e6"`
[INFO] [stdout] 635f8158a1c8397233d08a0ebd093d3220fbf98e520a78db3b929826df4f33e6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/carlossless/yargb:/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] 39ca6294b43119c0cf127195dcc917dbfb065888c9a9981eb242e50b6728681d
[INFO] running `"docker" "start" "-a" "39ca6294b43119c0cf127195dcc917dbfb065888c9a9981eb242e50b6728681d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/yargb-2cf6b6624fa35ff9
[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" "39ca6294b43119c0cf127195dcc917dbfb065888c9a9981eb242e50b6728681d"`
[INFO] running `"docker" "rm" "-f" "39ca6294b43119c0cf127195dcc917dbfb065888c9a9981eb242e50b6728681d"`
[INFO] [stdout] 39ca6294b43119c0cf127195dcc917dbfb065888c9a9981eb242e50b6728681d