[INFO] updating cached repository DixydL/ma_rgl
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/DixydL/ma_rgl
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/DixydL/ma_rgl" "work/ex/beta-1.38-1/sources/1.37.0/gh/DixydL/ma_rgl"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/DixydL/ma_rgl'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/DixydL/ma_rgl" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/DixydL/ma_rgl"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/DixydL/ma_rgl'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 184acef92670a44cc2f03c35d82a13c3bfb27691
[INFO] sha for GitHub repo DixydL/ma_rgl: 184acef92670a44cc2f03c35d82a13c3bfb27691
[INFO] validating manifest of DixydL/ma_rgl 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 DixydL/ma_rgl 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 DixydL/ma_rgl
[INFO] finished frobbing DixydL/ma_rgl
[INFO] frobbed toml for DixydL/ma_rgl written to work/ex/beta-1.38-1/sources/1.37.0/gh/DixydL/ma_rgl/Cargo.toml
[INFO] started frobbing DixydL/ma_rgl
[INFO] finished frobbing DixydL/ma_rgl
[INFO] frobbed toml for DixydL/ma_rgl written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/DixydL/ma_rgl/Cargo.toml
[INFO] crate DixydL/ma_rgl 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 DixydL/ma_rgl 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/DixydL/ma_rgl:/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] 2183ea0fad9477d8c2b8196e71c57940d4b4fead4a36023deeb281f7332aad32
[INFO] running `"docker" "start" "-a" "2183ea0fad9477d8c2b8196e71c57940d4b4fead4a36023deeb281f7332aad32"`
[INFO] [stderr]    Compiling ma_rgl v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `m_index`
[INFO] [stderr]    --> src/lib.rs:103:21
[INFO] [stderr]     |
[INFO] [stderr] 103 |             let mut m_index = 0;
[INFO] [stderr]     |                     ^^^^^^^ help: consider prefixing with an underscore: `_m_index`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `m` is never read
[INFO] [stderr]    --> src/lib.rs:104:21
[INFO] [stderr]     |
[INFO] [stderr] 104 |             let mut m = 0.;
[INFO] [stderr]     |                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m_index`
[INFO] [stderr]    --> src/lib.rs:113:21
[INFO] [stderr]     |
[INFO] [stderr] 113 |             let mut m_index = 0;
[INFO] [stderr]     |                     ^^^^^^^ help: consider prefixing with an underscore: `_m_index`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `m` is never read
[INFO] [stderr]    --> src/lib.rs:114:21
[INFO] [stderr]     |
[INFO] [stderr] 114 |             let mut m = 0.;
[INFO] [stderr]     |                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:103:17
[INFO] [stderr]     |
[INFO] [stderr] 103 |             let mut m_index = 0;
[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/lib.rs:113:17
[INFO] [stderr]     |
[INFO] [stderr] 113 |             let mut m_index = 0;
[INFO] [stderr]     |                 ----^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "2183ea0fad9477d8c2b8196e71c57940d4b4fead4a36023deeb281f7332aad32"`
[INFO] running `"docker" "rm" "-f" "2183ea0fad9477d8c2b8196e71c57940d4b4fead4a36023deeb281f7332aad32"`
[INFO] [stdout] 2183ea0fad9477d8c2b8196e71c57940d4b4fead4a36023deeb281f7332aad32
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/DixydL/ma_rgl:/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] c9a8be05bace52f0bc66c9358b93809c6fab7812a25154deaee5f479d49d0302
[INFO] running `"docker" "start" "-a" "c9a8be05bace52f0bc66c9358b93809c6fab7812a25154deaee5f479d49d0302"`
[INFO] [stderr]    Compiling ma_rgl v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `m_index`
[INFO] [stderr]    --> src/lib.rs:103:21
[INFO] [stderr]     |
[INFO] [stderr] 103 |             let mut m_index = 0;
[INFO] [stderr]     |                     ^^^^^^^ help: consider prefixing with an underscore: `_m_index`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `m` is never read
[INFO] [stderr]    --> src/lib.rs:104:21
[INFO] [stderr]     |
[INFO] [stderr] 104 |             let mut m = 0.;
[INFO] [stderr]     |                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m_index`
[INFO] [stderr]    --> src/lib.rs:113:21
[INFO] [stderr]     |
[INFO] [stderr] 113 |             let mut m_index = 0;
[INFO] [stderr]     |                     ^^^^^^^ help: consider prefixing with an underscore: `_m_index`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `m` is never read
[INFO] [stderr]    --> src/lib.rs:114:21
[INFO] [stderr]     |
[INFO] [stderr] 114 |             let mut m = 0.;
[INFO] [stderr]     |                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:103:17
[INFO] [stderr]     |
[INFO] [stderr] 103 |             let mut m_index = 0;
[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/lib.rs:113:17
[INFO] [stderr]     |
[INFO] [stderr] 113 |             let mut m_index = 0;
[INFO] [stderr]     |                 ----^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "c9a8be05bace52f0bc66c9358b93809c6fab7812a25154deaee5f479d49d0302"`
[INFO] running `"docker" "rm" "-f" "c9a8be05bace52f0bc66c9358b93809c6fab7812a25154deaee5f479d49d0302"`
[INFO] [stdout] c9a8be05bace52f0bc66c9358b93809c6fab7812a25154deaee5f479d49d0302
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/DixydL/ma_rgl:/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] 4ade89596b9f22f5b9113bfe8774bc4be457a0a646c2f1beb187a7fa25b17f8d
[INFO] running `"docker" "start" "-a" "4ade89596b9f22f5b9113bfe8774bc4be457a0a646c2f1beb187a7fa25b17f8d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ma_rgl-85c494ecaea5b3b0
[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] [stderr]    Doc-tests ma_rgl
[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" "4ade89596b9f22f5b9113bfe8774bc4be457a0a646c2f1beb187a7fa25b17f8d"`
[INFO] running `"docker" "rm" "-f" "4ade89596b9f22f5b9113bfe8774bc4be457a0a646c2f1beb187a7fa25b17f8d"`
[INFO] [stdout] 4ade89596b9f22f5b9113bfe8774bc4be457a0a646c2f1beb187a7fa25b17f8d