[INFO] cloning repository jimblandy/hexes
[INFO] running `"git" "clone" "--bare" "git://github.com/jimblandy/hexes.git" "work/cache/sources/gh/jimblandy/hexes"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/jimblandy/hexes'...
[INFO] running `"git" "clone" "work/cache/sources/gh/jimblandy/hexes" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/jimblandy/hexes"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/jimblandy/hexes'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jimblandy/hexes" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/jimblandy/hexes"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/jimblandy/hexes'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2d6d5a7a5482b8b8475996b2cb851f76885fb3c7
[INFO] sha for GitHub repo jimblandy/hexes: 2d6d5a7a5482b8b8475996b2cb851f76885fb3c7
[INFO] validating manifest of jimblandy/hexes on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jimblandy/hexes on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jimblandy/hexes
[INFO] finished frobbing jimblandy/hexes
[INFO] frobbed toml for jimblandy/hexes written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/jimblandy/hexes/Cargo.toml
[INFO] started frobbing jimblandy/hexes
[INFO] finished frobbing jimblandy/hexes
[INFO] frobbed toml for jimblandy/hexes written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/jimblandy/hexes/Cargo.toml
[INFO] crate jimblandy/hexes already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jimblandy/hexes against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/jimblandy/hexes:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] acb188306145ca92af3e8260ee166b484a096e8f86664cec44e90d9ba530dd3f
[INFO] running `"docker" "start" "-a" "acb188306145ca92af3e8260ee166b484a096e8f86664cec44e90d9ba530dd3f"`
[INFO] [stderr]    Compiling phf_shared v0.7.20
[INFO] [stderr]    Compiling serde v0.8.21
[INFO] [stderr]    Compiling gcc v0.3.41
[INFO] [stderr]    Compiling crossbeam v0.2.10
[INFO] [stderr]    Compiling smallvec v0.1.8
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling xml-rs v0.3.5
[INFO] [stderr]    Compiling shared_library v0.1.5
[INFO] [stderr]    Compiling x11-dl v2.12.0
[INFO] [stderr]    Compiling phf v0.7.20
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling memmap v0.2.3
[INFO] [stderr]    Compiling phf_generator v0.7.20
[INFO] [stderr]    Compiling tempfile v2.1.4
[INFO] [stderr]    Compiling cgmath v0.12.0
[INFO] [stderr]    Compiling phf_codegen v0.7.20
[INFO] [stderr]    Compiling wayland-scanner v0.5.11
[INFO] [stderr]    Compiling gl_generator v0.5.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling target_build_utils v0.1.2
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling wayland-client v0.5.12
[INFO] [stderr]    Compiling glutin v0.6.2
[INFO] [stderr]    Compiling glium v0.15.0
[INFO] [stderr]    Compiling serde_json v0.8.4
[INFO] [stderr]    Compiling libloading v0.3.1
[INFO] [stderr]    Compiling dlib v0.3.1
[INFO] [stderr]    Compiling wayland-sys v0.5.11
[INFO] [stderr]    Compiling wayland-kbd v0.3.6
[INFO] [stderr]    Compiling wayland-window v0.2.3
[INFO] [stderr]    Compiling hexes v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/main.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 | /         /// You can think of the vertices of a hex grid as the union of four
[INFO] [stderr] 62 | |         /// rectangular grids, each of which has a horizontal spacing of three
[INFO] [stderr] 63 | |         /// and a vertical spacing of √3. The bottom bits of the two indices
[INFO] [stderr] 64 | |         /// indicate which grid of the four the given vertex falls on.
[INFO] [stderr]    | |______________________________________________________________________^
[INFO] [stderr] 65 | /         let offset = match (i & 1, j & 1) {
[INFO] [stderr] 66 | |             (0,0) => Vector2::new( 0.0, 0.0),
[INFO] [stderr] 67 | |             (1,0) => Vector2::new( 1.0, 0.0),
[INFO] [stderr] 68 | |             (0,1) => Vector2::new(-0.5, f32::sqrt(3.0) / 2.0),
[INFO] [stderr] 69 | |             (1,1) => Vector2::new( 1.5, f32::sqrt(3.0) / 2.0),
[INFO] [stderr] 70 | |             _ => panic!("unexpected bit pattern")
[INFO] [stderr] 71 | |         };
[INFO] [stderr]    | |__________- rustdoc does not generate documentation for statements
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[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/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/hexes-73b2c47badc316b4.hexes.3x3yrq7f-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/hexes-73b2c47badc316b4.hexes.3x3yrq7f-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/hexes-73b2c47badc316b4.hexes.3x3yrq7f-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/hexes-73b2c47badc316b4.hexes.3x3yrq7f-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/hexes-73b2c47badc316b4.hexes.3x3yrq7f-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/hexes-73b2c47badc316b4.hexes.3x3yrq7f-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/hexes-73b2c47badc316b4.hexes.3x3yrq7f-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/hexes-73b2c47badc316b4.hexes.3x3yrq7f-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/hexes-73b2c47badc316b4.hexes.3x3yrq7f-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/hexes-73b2c47badc316b4.hexes.3x3yrq7f-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/hexes-73b2c47badc316b4.hexes.3x3yrq7f-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/hexes-73b2c47badc316b4.hexes.3x3yrq7f-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/hexes-73b2c47badc316b4.hexes.3x3yrq7f-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/hexes-73b2c47badc316b4.hexes.3x3yrq7f-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/hexes-73b2c47badc316b4.hexes.3x3yrq7f-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/hexes-73b2c47badc316b4.hexes.3x3yrq7f-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/hexes-73b2c47badc316b4" "/opt/crater/target/debug/deps/hexes-73b2c47badc316b4.4fzgiefvhaz6e5ib.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libcgmath-e449d6a325f05176.rlib" "/opt/crater/target/debug/deps/librustc_serialize-c7c34e4185bfaa08.rlib" "/opt/crater/target/debug/deps/libnum_traits-148926767d5eeac1.rlib" "/opt/crater/target/debug/deps/libapprox-1c149e84de433ae7.rlib" "/opt/crater/target/debug/deps/libglium-468bf7e18ea381f2.rlib" "/opt/crater/target/debug/deps/libglutin-95108c5d8ea0fe00.rlib" "/opt/crater/target/debug/deps/libwayland_window-cf9106106c60c653.rlib" "/opt/crater/target/debug/deps/libtempfile-339f986794fab3e8.rlib" "/opt/crater/target/debug/deps/librand-157289fec418840e.rlib" "/opt/crater/target/debug/deps/libbyteorder-3d6e565399579124.rlib" "/opt/crater/target/debug/deps/libwayland_kbd-ff56cccc724e7ca3.rlib" "/opt/crater/target/debug/deps/libmemmap-e3a0d29b61c1d4b7.rlib" "/opt/crater/target/debug/deps/libosmesa_sys-3acb1f959b8bb39d.rlib" "/opt/crater/target/debug/deps/libwayland_client-15876b2ffe62dc7f.rlib" "/opt/crater/target/debug/deps/libwayland_sys-ee7694353bb78224.rlib" "/opt/crater/target/debug/deps/liblazy_static-7b78245203c3f98f.rlib" "/opt/crater/target/debug/deps/libdlib-49b03e85344a4173.rlib" "/opt/crater/target/debug/deps/liblibloading-6a8f077c1460e71b.rlib" "/opt/crater/target/debug/deps/libcrossbeam-bb6b1e457e34531e.rlib" "/opt/crater/target/debug/deps/libbitflags-cb0300d7373a08e3.rlib" "/opt/crater/target/debug/deps/libx11_dl-cdb8cb39ca6a9624.rlib" "/opt/crater/target/debug/deps/libshared_library-ccf6d9e50622a7d8.rlib" "/opt/crater/target/debug/deps/libsmallvec-ecbfe95aa2b01c05.rlib" "/opt/crater/target/debug/deps/libbacktrace-1ea741fe0372ec47.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-f89e34cdd4f75a66.rlib" "/opt/crater/target/debug/deps/librustc_demangle-4c4eb1802d306f41.rlib" "/opt/crater/target/debug/deps/libcfg_if-4ee1bfc7bbb3c4e3.rlib" "/opt/crater/target/debug/deps/libdbghelp-8bca857c6ff44786.rlib" "/opt/crater/target/debug/deps/libwinapi-0d487fc2d3cbe596.rlib" "/opt/crater/target/debug/deps/libkernel32-c43354b950774659.rlib" "/opt/crater/target/debug/deps/liblibc-444545660d91f943.rlib" "/opt/crater/target/debug/deps/liblazy_static-3d86a67d5a6081ae.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-196d0eff8e603c0a.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-1c597f5941591e04.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-a20af2d3380aa511.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-f989f9e071798586.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-52fb60b932b5ef90.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-90a3fdc679697856.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-06d10270cfa51644.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-8abb913fca550f79.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-31fd2baab47b156c.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-0862cc65189bd4af.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-8010b8629f5aa3e5.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2d032fe7d4e1e163.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-622fdce0dc084cba.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a17fdd0a687135a8.rlib" "-Wl,-Bdynamic" "-ldl" "-ldl" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /opt/crater/target/debug/deps/libbacktrace-1ea741fe0372ec47.rlib(backtrace-1ea741fe0372ec47.backtrace.8dfzkk8a-cgu.15.rcgu.o): In function `backtrace::symbolize::libbacktrace::init_state::{{closure}}':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.2.3/src/symbolize/libbacktrace.rs:150: undefined reference to `backtrace_create_state'
[INFO] [stderr]           /opt/crater/target/debug/deps/libbacktrace-1ea741fe0372ec47.rlib(backtrace-1ea741fe0372ec47.backtrace.8dfzkk8a-cgu.15.rcgu.o): In function `backtrace::symbolize::libbacktrace::resolve':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.2.3/src/symbolize/libbacktrace.rs:167: undefined reference to `backtrace_pcinfo'
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.2.3/src/symbolize/libbacktrace.rs:171: undefined reference to `backtrace_syminfo'
[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 `hexes`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "acb188306145ca92af3e8260ee166b484a096e8f86664cec44e90d9ba530dd3f"`
[INFO] running `"docker" "rm" "-f" "acb188306145ca92af3e8260ee166b484a096e8f86664cec44e90d9ba530dd3f"`
[INFO] [stdout] acb188306145ca92af3e8260ee166b484a096e8f86664cec44e90d9ba530dd3f