[INFO] updating cached repository https://github.com/jimblandy/hexes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d6d5a7a5482b8b8475996b2cb851f76885fb3c7
[INFO] testing jimblandy/hexes against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimblandy%2Fhexes" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jimblandy/hexes on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jimblandy/hexes
[INFO] finished tweaking git repo https://github.com/jimblandy/hexes
[INFO] tweaked toml for git repo https://github.com/jimblandy/hexes written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/jimblandy/hexes already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a01a9b77cf8068f4591f3eb416098c83dfc30678ba9b173c1872c49b25e67378
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a01a9b77cf8068f4591f3eb416098c83dfc30678ba9b173c1872c49b25e67378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a01a9b77cf8068f4591f3eb416098c83dfc30678ba9b173c1872c49b25e67378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a01a9b77cf8068f4591f3eb416098c83dfc30678ba9b173c1872c49b25e67378", kill_on_drop: false }`
[INFO] [stdout] a01a9b77cf8068f4591f3eb416098c83dfc30678ba9b173c1872c49b25e67378
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67a6e0664fdba6bb1769f603bc89583f9046783fc29d4479f1d5e75efe1c3560
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "67a6e0664fdba6bb1769f603bc89583f9046783fc29d4479f1d5e75efe1c3560", kill_on_drop: false }`
[INFO] [stderr]    Compiling phf_shared v0.7.20
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling serde v0.8.21
[INFO] [stderr]    Compiling lazy_static v0.2.2
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling khronos_api v1.0.0
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling pkg-config v0.3.8
[INFO] [stderr]    Compiling crossbeam v0.2.10
[INFO] [stderr]    Compiling gcc v0.3.41
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.3
[INFO] [stderr]    Compiling smallvec v0.1.8
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling xml-rs v0.3.5
[INFO] [stderr]    Compiling shared_library v0.1.5
[INFO] [stderr]    Compiling phf_generator v0.7.20
[INFO] [stderr]    Compiling phf v0.7.20
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling phf_codegen v0.7.20
[INFO] [stderr]    Compiling memmap v0.2.3
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling target_build_utils v0.1.2
[INFO] [stderr]    Compiling x11-dl v2.12.0
[INFO] [stderr]    Compiling tempfile v2.1.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling wayland-scanner v0.5.11
[INFO] [stderr]    Compiling gl_generator v0.5.2
[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 cgmath v0.12.0
[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-window v0.2.3
[INFO] [stderr]    Compiling wayland-kbd v0.3.6
[INFO] [stderr]    Compiling hexes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/main.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 | /         /// You can think of the vertices of a hex grid as the union of four
[INFO] [stdout] 62 | |         /// rectangular grids, each of which has a horizontal spacing of three
[INFO] [stdout] 63 | |         /// and a vertical spacing of √3. The bottom bits of the two indices
[INFO] [stdout] 64 | |         /// indicate which grid of the four the given vertex falls on.
[INFO] [stdout]    | |______________________________________________________________________^
[INFO] [stdout] 65 | /         let offset = match (i & 1, j & 1) {
[INFO] [stdout] 66 | |             (0,0) => Vector2::new( 0.0, 0.0),
[INFO] [stdout] 67 | |             (1,0) => Vector2::new( 1.0, 0.0),
[INFO] [stdout] 68 | |             (0,1) => Vector2::new(-0.5, f32::sqrt(3.0) / 2.0),
[INFO] [stdout] 69 | |             (1,1) => Vector2::new( 1.5, f32::sqrt(3.0) / 2.0),
[INFO] [stdout] 70 | |             _ => panic!("unexpected bit pattern")
[INFO] [stdout] 71 | |         };
[INFO] [stdout]    | |__________- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/hexes-15d5379cc0b81112.hexes.8dvw6941-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-15d5379cc0b81112.hexes.8dvw6941-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-15d5379cc0b81112.hexes.8dvw6941-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-15d5379cc0b81112.hexes.8dvw6941-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-15d5379cc0b81112.hexes.8dvw6941-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-15d5379cc0b81112.hexes.8dvw6941-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-15d5379cc0b81112.hexes.8dvw6941-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-15d5379cc0b81112.hexes.8dvw6941-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-15d5379cc0b81112.hexes.8dvw6941-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-15d5379cc0b81112.hexes.8dvw6941-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-15d5379cc0b81112.hexes.8dvw6941-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-15d5379cc0b81112.hexes.8dvw6941-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-15d5379cc0b81112.hexes.8dvw6941-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-15d5379cc0b81112.hexes.8dvw6941-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-15d5379cc0b81112.hexes.8dvw6941-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-15d5379cc0b81112.hexes.8dvw6941-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/hexes-15d5379cc0b81112" "/opt/rustwide/target/debug/deps/hexes-15d5379cc0b81112.418np8vt8bb3o46r.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libcgmath-3fceefe49c1e579d.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-5419d0ceabda1a5f.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-9b4027b6158eded1.rlib" "/opt/rustwide/target/debug/deps/libapprox-43cd5c53f5296d66.rlib" "/opt/rustwide/target/debug/deps/libglium-21037b0ccd2eb326.rlib" "/opt/rustwide/target/debug/deps/libglutin-4fafe15c093dae65.rlib" "/opt/rustwide/target/debug/deps/libwayland_window-11bb77e8e7e97200.rlib" "/opt/rustwide/target/debug/deps/libtempfile-e595cf7f138cee81.rlib" "/opt/rustwide/target/debug/deps/librand-2d99607a3d571317.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-6cddcccd56d44b5d.rlib" "/opt/rustwide/target/debug/deps/libwayland_kbd-aa2cc3d030aac5fb.rlib" "/opt/rustwide/target/debug/deps/libmemmap-6de00f4b6a73cb73.rlib" "/opt/rustwide/target/debug/deps/libosmesa_sys-b40cf11f71ec4219.rlib" "/opt/rustwide/target/debug/deps/libwayland_client-8add1195c4bb49ee.rlib" "/opt/rustwide/target/debug/deps/libwayland_sys-348952a9b5c8470c.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-a620965283095e55.rlib" "/opt/rustwide/target/debug/deps/libdlib-8e30a2b72b495b5d.rlib" "/opt/rustwide/target/debug/deps/liblibloading-1ddac72979cf4a13.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam-6b5170e65d5bab48.rlib" "/opt/rustwide/target/debug/deps/libbitflags-7b15d77b989f677d.rlib" "/opt/rustwide/target/debug/deps/libx11_dl-a8032bdc40847f78.rlib" "/opt/rustwide/target/debug/deps/libshared_library-bf6872e2120a0041.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-cacd07e96981e77a.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-744f820e02be892d.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-eacd8821894e71fa.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-bb1e9b9c91f65547.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-e520603e5e391271.rlib" "/opt/rustwide/target/debug/deps/libdbghelp-a8e91854f2a89c0f.rlib" "/opt/rustwide/target/debug/deps/libwinapi-08f0135bab856b5b.rlib" "/opt/rustwide/target/debug/deps/libkernel32-cceb62b1a55bf6d7.rlib" "/opt/rustwide/target/debug/deps/liblibc-ccaf77f648b5094b.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-4742f6ccc7d0ed2b.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d66e0ceb8eaec9b8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-9717ec0599b569a0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-04369de9ba916647.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-997d622c2e4dbe5c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-0359c4288a5ef89f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-1b25ede22d698ab3.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-37940b486a68e488.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-06b77c27e794c7c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-4d07e02a8df36da1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-fb29e0695c0a0f79.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e16188b4cf97e8bb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-5eb391c8dabdee77.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-b0689b528b222bee.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ed072ac495e62e7a.rlib" "-Wl,-Bdynamic" "-ldl" "-ldl" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-744f820e02be892d.rlib(backtrace-744f820e02be892d.backtrace.c5ayjpvl-cgu.12.rcgu.o): in function `backtrace::symbolize::libbacktrace::init_state::{{closure}}':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.2.3/src/symbolize/libbacktrace.rs:150: undefined reference to `backtrace_create_state'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libbacktrace-744f820e02be892d.rlib(backtrace-744f820e02be892d.backtrace.c5ayjpvl-cgu.12.rcgu.o): in function `backtrace::symbolize::libbacktrace::resolve':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.2.3/src/symbolize/libbacktrace.rs:167: undefined reference to `backtrace_pcinfo'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.2.3/src/symbolize/libbacktrace.rs:171: undefined reference to `backtrace_syminfo'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hexes`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "67a6e0664fdba6bb1769f603bc89583f9046783fc29d4479f1d5e75efe1c3560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67a6e0664fdba6bb1769f603bc89583f9046783fc29d4479f1d5e75efe1c3560", kill_on_drop: false }`
[INFO] [stdout] 67a6e0664fdba6bb1769f603bc89583f9046783fc29d4479f1d5e75efe1c3560