[INFO] crate asi_opengl 0.6.2 is already in cache
[INFO] extracting crate asi_opengl 0.6.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/asi_opengl/0.6.2
[INFO] extracting crate asi_opengl 0.6.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/asi_opengl/0.6.2
[INFO] validating manifest of asi_opengl-0.6.2 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 asi_opengl-0.6.2 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 asi_opengl-0.6.2
[INFO] finished frobbing asi_opengl-0.6.2
[INFO] frobbed toml for asi_opengl-0.6.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/asi_opengl/0.6.2/Cargo.toml
[INFO] started frobbing asi_opengl-0.6.2
[INFO] finished frobbing asi_opengl-0.6.2
[INFO] frobbed toml for asi_opengl-0.6.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/asi_opengl/0.6.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 asi_opengl-0.6.2 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/asi_opengl/0.6.2:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 57af362bc2b6320fa8db708cd713b09dc99b4a471fb4ecabe5aa26b9c54f95c0
[INFO] running `"docker" "start" "-a" "57af362bc2b6320fa8db708cd713b09dc99b4a471fb4ecabe5aa26b9c54f95c0"`
[INFO] [stderr]    Compiling dl_api v0.2.0
[INFO] [stderr]    Compiling asi_opengl v0.6.2 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |             let (mut display, visual_id) = lib.init();
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `"docker" "inspect" "57af362bc2b6320fa8db708cd713b09dc99b4a471fb4ecabe5aa26b9c54f95c0"`
[INFO] running `"docker" "rm" "-f" "57af362bc2b6320fa8db708cd713b09dc99b4a471fb4ecabe5aa26b9c54f95c0"`
[INFO] [stdout] 57af362bc2b6320fa8db708cd713b09dc99b4a471fb4ecabe5aa26b9c54f95c0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/asi_opengl/0.6.2:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4cdb7e10f173de1896bf304306f24bbdd2425637f358012d0b38570186275994
[INFO] running `"docker" "start" "-a" "4cdb7e10f173de1896bf304306f24bbdd2425637f358012d0b38570186275994"`
[INFO] [stderr]    Compiling asi_opengl v0.6.2 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |             let (mut display, visual_id) = lib.init();
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "4cdb7e10f173de1896bf304306f24bbdd2425637f358012d0b38570186275994"`
[INFO] running `"docker" "rm" "-f" "4cdb7e10f173de1896bf304306f24bbdd2425637f358012d0b38570186275994"`
[INFO] [stdout] 4cdb7e10f173de1896bf304306f24bbdd2425637f358012d0b38570186275994
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/asi_opengl/0.6.2:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 600ced5b44b6220e21568affe8f877e47e77ee81205c13569e79fb145bd45a75
[INFO] running `"docker" "start" "-a" "600ced5b44b6220e21568affe8f877e47e77ee81205c13569e79fb145bd45a75"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/asi_opengl-419fc09f1e4879a5
[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 asi_opengl
[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" "600ced5b44b6220e21568affe8f877e47e77ee81205c13569e79fb145bd45a75"`
[INFO] running `"docker" "rm" "-f" "600ced5b44b6220e21568affe8f877e47e77ee81205c13569e79fb145bd45a75"`
[INFO] [stdout] 600ced5b44b6220e21568affe8f877e47e77ee81205c13569e79fb145bd45a75