[INFO] updating cached repository https://github.com/lgarczyn/ImproVe
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4bf05c5fe012f93960952d7c0922aa4c8091d241
[INFO] testing lgarczyn/ImproVe against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Flgarczyn%2FImproVe" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lgarczyn/ImproVe on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/lgarczyn/ImproVe
[INFO] finished tweaking git repo https://github.com/lgarczyn/ImproVe
[INFO] tweaked toml for git repo https://github.com/lgarczyn/ImproVe written to work/builds/worker-3/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] c80b3add34b3fdbda91f53e268af2c36c686d06a3be6abe245a11cf4a7d6dd9d
[INFO] running `"docker" "start" "-a" "c80b3add34b3fdbda91f53e268af2c36c686d06a3be6abe245a11cf4a7d6dd9d"`
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]    Compiling strength_reduce v0.2.2
[INFO] [stderr]    Compiling transpose v0.1.0
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling noisy_float v0.1.11
[INFO] [stderr]    Compiling enum-iterator-derive v0.5.0
[INFO] [stderr]    Compiling palette v0.4.1
[INFO] [stderr]    Compiling rustfft v3.0.0
[INFO] [stderr]    Compiling enum-iterator v0.5.0
[INFO] [stderr]    Compiling palette_derive v0.4.1
[INFO] [stderr]    Compiling improve v0.1.0 (/opt/rustwide/workdir)
[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/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/improve-b06fa1fa9a39a861.improve.uifste2e-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/improve-b06fa1fa9a39a861.improve.uifste2e-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/improve-b06fa1fa9a39a861.improve.uifste2e-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/improve-b06fa1fa9a39a861.improve.uifste2e-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/improve-b06fa1fa9a39a861.improve.uifste2e-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/improve-b06fa1fa9a39a861.improve.uifste2e-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/improve-b06fa1fa9a39a861.improve.uifste2e-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/improve-b06fa1fa9a39a861.improve.uifste2e-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/improve-b06fa1fa9a39a861.improve.uifste2e-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/improve-b06fa1fa9a39a861.improve.uifste2e-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/improve-b06fa1fa9a39a861.improve.uifste2e-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/improve-b06fa1fa9a39a861.improve.uifste2e-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/improve-b06fa1fa9a39a861.improve.uifste2e-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/improve-b06fa1fa9a39a861.improve.uifste2e-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/improve-b06fa1fa9a39a861.improve.uifste2e-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/improve-b06fa1fa9a39a861.improve.uifste2e-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/improve-b06fa1fa9a39a861" "/opt/rustwide/target/debug/deps/improve-b06fa1fa9a39a861.154jx7igl1ele0li.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libtermion-7a0e93f74e6f24ae.rlib" "/opt/rustwide/target/debug/deps/libnumtoa-11aabe5725620ee8.rlib" "/opt/rustwide/target/debug/deps/libenum_iterator-e367414b9378bee8.rlib" "/opt/rustwide/target/debug/deps/librustfft-3a802da7b317ac76.rlib" "/opt/rustwide/target/debug/deps/libtranspose-19c60fa4c09e06e4.rlib" "/opt/rustwide/target/debug/deps/libstrength_reduce-874e1c0e69a35d2f.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-f93a5705b17eca85.rlib" "/opt/rustwide/target/debug/deps/libpalette-6498263a2682bca0.rlib" "/opt/rustwide/target/debug/deps/libphf-9dab19c763f4017d.rlib" "/opt/rustwide/target/debug/deps/libphf_shared-337a31152cdf4931.rlib" "/opt/rustwide/target/debug/deps/libsiphasher-47d9900ec3aa12c5.rlib" "/opt/rustwide/target/debug/deps/libapprox-df69f604d5ff4e2e.rlib" "/opt/rustwide/target/debug/deps/libitertools-4c15bcc5211318bc.rlib" "/opt/rustwide/target/debug/deps/libeither-bd40eaa39d4ce229.rlib" "/opt/rustwide/target/debug/deps/libsdl2-b724aa58b8a2edfe.rlib" "/opt/rustwide/target/debug/deps/librand-c6c971c2579f56b1.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-d31379522c688654.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-700c8fd06117a4e8.rlib" "/opt/rustwide/target/debug/deps/librand_hc-dfcabcbae3173fa6.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-b28484c13232928f.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-4397b6ef24563754.rlib" "/opt/rustwide/target/debug/deps/librand_core-248631fdaa518086.rlib" "/opt/rustwide/target/debug/deps/librand_os-ac04dce49103ba55.rlib" "/opt/rustwide/target/debug/deps/librand_jitter-5dd9a685b0ed8a3d.rlib" "/opt/rustwide/target/debug/deps/librand_core-e2ee592186d88f12.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-5e4699f07d82e783.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-83cafc2ae303332c.rlib" "/opt/rustwide/target/debug/deps/libnum-9dbba59d754511b6.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-bbf34e9632c3a30c.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-dbac7e428283a153.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-a4ff9b7e87bbd905.rlib" "/opt/rustwide/target/debug/deps/libclap-5c2292866ac49d3f.rlib" "/opt/rustwide/target/debug/deps/libvec_map-430eebd9ad766441.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-c182af585ce1d152.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-019a22cacfcfb093.rlib" "/opt/rustwide/target/debug/deps/libstrsim-9ecff6948862203f.rlib" "/opt/rustwide/target/debug/deps/libbitflags-4a7b4cf8fbd4dcc3.rlib" "/opt/rustwide/target/debug/deps/libatty-aeb8402cda341d72.rlib" "/opt/rustwide/target/debug/deps/liblibc-a3b13f6b27abcc70.rlib" "/opt/rustwide/target/debug/deps/libansi_term-96d819b388a7bd02.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-12ce12f1efc08aa3.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-5d3cd1b3ddab72e4.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-f8222943dfd167e2.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-0cd00b2d3108cd48.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-485c05ba6ce1b438.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-63e6b1072426ba59.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-a421aff1d43911ee.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-3deef8ef4fe80dff.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-f65a176f0586269e.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-ad46d4080f4d7e57.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-da6c590582bf0885.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-837ca740df32db0a.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-db27c965e824589f.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-68a4f8466685ed76.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lSDL2_ttf" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lSDL2_ttf
[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 `improve`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c80b3add34b3fdbda91f53e268af2c36c686d06a3be6abe245a11cf4a7d6dd9d"`
[INFO] running `"docker" "rm" "-f" "c80b3add34b3fdbda91f53e268af2c36c686d06a3be6abe245a11cf4a7d6dd9d"`
[INFO] [stdout] c80b3add34b3fdbda91f53e268af2c36c686d06a3be6abe245a11cf4a7d6dd9d