[INFO] crate sdl2_image 0.25.0 is already in cache
[INFO] extracting crate sdl2_image 0.25.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/sdl2_image/0.25.0
[INFO] extracting crate sdl2_image 0.25.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/sdl2_image/0.25.0
[INFO] validating manifest of sdl2_image-0.25.0 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 sdl2_image-0.25.0 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 sdl2_image-0.25.0
[INFO] finished frobbing sdl2_image-0.25.0
[INFO] frobbed toml for sdl2_image-0.25.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/sdl2_image/0.25.0/Cargo.toml
[INFO] started frobbing sdl2_image-0.25.0
[INFO] finished frobbing sdl2_image-0.25.0
[INFO] frobbed toml for sdl2_image-0.25.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/sdl2_image/0.25.0/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 sdl2_image-0.25.0 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-4/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/sdl2_image/0.25.0:/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] 2e826747bb77b5a4034af858ab181ee2b5e4082496fe7389e6c9933994314b8f
[INFO] running `"docker" "start" "-a" "2e826747bb77b5a4034af858ab181ee2b5e4082496fe7389e6c9933994314b8f"`
[INFO] [stderr]    Compiling sdl2-sys v0.25.0
[INFO] [stderr]    Compiling sdl2 v0.25.0
[INFO] [stderr]    Compiling sdl2_image v0.25.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/sdl2_image/lib.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | / /// InitFlags are passed to init() to control which subsystem
[INFO] [stderr] 42 | | /// functionality to load.
[INFO] [stderr]    | |__________________________^
[INFO] [stderr] 43 | / bitflags! {
[INFO] [stderr] 44 | |     pub flags InitFlag : u32 {
[INFO] [stderr] 45 | |         const INIT_JPG  = ::ffi::IMG_INIT_JPG as u32,
[INFO] [stderr] 46 | |         const INIT_PNG  = ::ffi::IMG_INIT_PNG as u32,
[INFO] [stderr] ...  |
[INFO] [stderr] 49 | |     }
[INFO] [stderr] 50 | | }
[INFO] [stderr]    | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.79s
[INFO] running `"docker" "inspect" "2e826747bb77b5a4034af858ab181ee2b5e4082496fe7389e6c9933994314b8f"`
[INFO] running `"docker" "rm" "-f" "2e826747bb77b5a4034af858ab181ee2b5e4082496fe7389e6c9933994314b8f"`
[INFO] [stdout] 2e826747bb77b5a4034af858ab181ee2b5e4082496fe7389e6c9933994314b8f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/sdl2_image/0.25.0:/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] 0633ec29cf320ae106246a1d0673f76a171468689d7e1fbef3a6327e53ab4520
[INFO] running `"docker" "start" "-a" "0633ec29cf320ae106246a1d0673f76a171468689d7e1fbef3a6327e53ab4520"`
[INFO] [stderr]    Compiling sdl2_image v0.25.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/sdl2_image/lib.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | / /// InitFlags are passed to init() to control which subsystem
[INFO] [stderr] 42 | | /// functionality to load.
[INFO] [stderr]    | |__________________________^
[INFO] [stderr] 43 | / bitflags! {
[INFO] [stderr] 44 | |     pub flags InitFlag : u32 {
[INFO] [stderr] 45 | |         const INIT_JPG  = ::ffi::IMG_INIT_JPG as u32,
[INFO] [stderr] 46 | |         const INIT_PNG  = ::ffi::IMG_INIT_PNG as u32,
[INFO] [stderr] ...  |
[INFO] [stderr] 49 | |     }
[INFO] [stderr] 50 | | }
[INFO] [stderr]    | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] error[E0254]: the name `sdl2_image` is defined multiple times
[INFO] [stderr]  --> examples/demo.rs:8:18
[INFO] [stderr]   |
[INFO] [stderr] 4 | extern crate sdl2_image;
[INFO] [stderr]   | ------------------------ previous import of the extern crate `sdl2_image` here
[INFO] [stderr] ...
[INFO] [stderr] 8 | use sdl2_image::{self, LoadTexture, INIT_PNG, INIT_JPG};
[INFO] [stderr]   |                  ^^^^--
[INFO] [stderr]   |                  |
[INFO] [stderr]   |                  `sdl2_image` reimported here
[INFO] [stderr]   |                  help: remove unnecessary import
[INFO] [stderr]   |
[INFO] [stderr]   = note: `sdl2_image` must be defined only once in the type namespace of this module
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> examples/demo.rs:8:18
[INFO] [stderr]   |
[INFO] [stderr] 8 | use sdl2_image::{self, LoadTexture, INIT_PNG, INIT_JPG};
[INFO] [stderr]   |                  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0254`.
[INFO] [stderr] error: Could not compile `sdl2_image`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/sdl2_image-fec5ffc96ae0ea0c.sdl2_image.7dg3e479-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/sdl2_image-fec5ffc96ae0ea0c.sdl2_image.7dg3e479-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/sdl2_image-fec5ffc96ae0ea0c.sdl2_image.7dg3e479-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/sdl2_image-fec5ffc96ae0ea0c.sdl2_image.7dg3e479-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/sdl2_image-fec5ffc96ae0ea0c.sdl2_image.7dg3e479-cgu.4.rcgu.o" "-o" "/opt/crater/target/debug/deps/sdl2_image-fec5ffc96ae0ea0c" "/opt/crater/target/debug/deps/sdl2_image-fec5ffc96ae0ea0c.4uskiw14ouiqpew4.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lSDL2_image" "-Wl,-Bstatic" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-f0d86b2ef6410e4f.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-28a84d78fba0104f.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-625008d0a6744ece.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-b85c11af396739da.rlib" "/opt/crater/target/debug/deps/libbitflags-b03ee8d07369378c.rlib" "/opt/crater/target/debug/deps/libsdl2-f88cd34712f66081.rlib" "/opt/crater/target/debug/deps/librand-5eda43279f0ef45c.rlib" "/opt/crater/target/debug/deps/librand-7efbcbd89944bda6.rlib" "/opt/crater/target/debug/deps/libsdl2_sys-2264d6f624c2fd76.rlib" "/opt/crater/target/debug/deps/libbitflags-c07c0dca308057ba.rlib" "/opt/crater/target/debug/deps/liblazy_static-8e8f275d3efea5b8.rlib" "/opt/crater/target/debug/deps/liblibc-37f3d1c853b3b7bd.rlib" "/opt/crater/target/debug/deps/libnum-a5efe8b19f8dba1e.rlib" "/opt/crater/target/debug/deps/libnum_iter-161e13ffd3321f27.rlib" "/opt/crater/target/debug/deps/libnum_integer-440f23443e3e87b1.rlib" "/opt/crater/target/debug/deps/libnum_traits-c28daeab5210b49d.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1d6d86bd078a28e9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e9721e46a424e2a9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-c07193698f282147.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-6da45690f3863086.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-690797036dd27680.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d3896ccbfd8eda2b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7cccc3739e3d7623.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-5e9ba178a513cd29.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-5ca9f83bf63d1f4b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-bba1c7ef9e950882.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e23c9de62012deb5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9b59dffdcd513d5d.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-17392340ab2e4a97.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ac21508a81e3f7f3.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lSDL2_image
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `sdl2_image`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "0633ec29cf320ae106246a1d0673f76a171468689d7e1fbef3a6327e53ab4520"`
[INFO] running `"docker" "rm" "-f" "0633ec29cf320ae106246a1d0673f76a171468689d7e1fbef3a6327e53ab4520"`
[INFO] [stdout] 0633ec29cf320ae106246a1d0673f76a171468689d7e1fbef3a6327e53ab4520