[INFO] cloning repository https://github.com/jimblandy/hexes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jimblandy/hexes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimblandy%2Fhexes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimblandy%2Fhexes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d6d5a7a5482b8b8475996b2cb851f76885fb3c7
[INFO] testing jimblandy/hexes against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimblandy%2Fhexes" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jimblandy/hexes on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-4/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" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4ef4da1fb342c089286a7ff3e762536f6455aed8612ab51e677908436b099816
[INFO] running `Command { std: "docker" "start" "-a" "4ef4da1fb342c089286a7ff3e762536f6455aed8612ab51e677908436b099816", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ef4da1fb342c089286a7ff3e762536f6455aed8612ab51e677908436b099816", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ef4da1fb342c089286a7ff3e762536f6455aed8612ab51e677908436b099816", kill_on_drop: false }`
[INFO] [stdout] 4ef4da1fb342c089286a7ff3e762536f6455aed8612ab51e677908436b099816
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 815bded6522faeb577e83c06482f37460e4aa47f52a68f518bbb85066f3e8c3d
[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" "815bded6522faeb577e83c06482f37460e4aa47f52a68f518bbb85066f3e8c3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v0.8.21
[INFO] [stderr]    Compiling khronos_api v1.0.0
[INFO] [stderr]    Compiling gcc v0.3.41
[INFO] [stderr]    Compiling pkg-config v0.3.8
[INFO] [stderr]    Compiling crossbeam v0.2.10
[INFO] [stderr]    Compiling rustc-demangle v0.1.3
[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 tempfile v2.1.4
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling memmap v0.2.3
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling x11-dl v2.12.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling phf_generator v0.7.20
[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 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-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/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/hexes-e0cb86f653e3249c.hexes.2sqy694k-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-e0cb86f653e3249c.hexes.2sqy694k-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-e0cb86f653e3249c.hexes.2sqy694k-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-e0cb86f653e3249c.hexes.2sqy694k-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-e0cb86f653e3249c.hexes.2sqy694k-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-e0cb86f653e3249c.hexes.2sqy694k-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-e0cb86f653e3249c.hexes.2sqy694k-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-e0cb86f653e3249c.hexes.2sqy694k-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-e0cb86f653e3249c.hexes.2sqy694k-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-e0cb86f653e3249c.hexes.2sqy694k-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-e0cb86f653e3249c.hexes.2sqy694k-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-e0cb86f653e3249c.hexes.2sqy694k-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-e0cb86f653e3249c.hexes.2sqy694k-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-e0cb86f653e3249c.hexes.2sqy694k-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-e0cb86f653e3249c.hexes.2sqy694k-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-e0cb86f653e3249c.hexes.2sqy694k-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/hexes-e0cb86f653e3249c" "/opt/rustwide/target/debug/deps/hexes-e0cb86f653e3249c.2kqf6ca0z8hh6ycj.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libcgmath-0df24d28e25c7374.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-082c5bea4c3eafb1.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-68c0603f54582ee3.rlib" "/opt/rustwide/target/debug/deps/libapprox-33a0d613033925c1.rlib" "/opt/rustwide/target/debug/deps/libglium-2a401dc3e38ef946.rlib" "/opt/rustwide/target/debug/deps/libglutin-845b14f09fa87453.rlib" "/opt/rustwide/target/debug/deps/libwayland_window-9b5387d7e46787b4.rlib" "/opt/rustwide/target/debug/deps/libtempfile-c58e95b6df534835.rlib" "/opt/rustwide/target/debug/deps/librand-cf834a08e6b84d06.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-e9641ac4997e4e91.rlib" "/opt/rustwide/target/debug/deps/libwayland_kbd-89305171d4f1fff7.rlib" "/opt/rustwide/target/debug/deps/libmemmap-c91bbc14bac11bc0.rlib" "/opt/rustwide/target/debug/deps/libosmesa_sys-f6e25d02bf256109.rlib" "/opt/rustwide/target/debug/deps/libwayland_client-9a3c5bf75683672a.rlib" "/opt/rustwide/target/debug/deps/libwayland_sys-4ec6b9443fbaa58c.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-dc50001efa6d6ff9.rlib" "/opt/rustwide/target/debug/deps/libdlib-eaa4a1ade39ddd87.rlib" "/opt/rustwide/target/debug/deps/liblibloading-df9576b6feaa9a41.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam-c2857daa65d46166.rlib" "/opt/rustwide/target/debug/deps/libbitflags-032ea61c97bf3967.rlib" "/opt/rustwide/target/debug/deps/libx11_dl-1e8567198a46cad1.rlib" "/opt/rustwide/target/debug/deps/libshared_library-73756c8f73491164.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-4816cea49ec779f5.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-0913b9b302a2bba2.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-605d059251a3fa94.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-1f54c49f5be732f2.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-d6fcb4c35c06a007.rlib" "/opt/rustwide/target/debug/deps/libdbghelp-720313caad178130.rlib" "/opt/rustwide/target/debug/deps/libwinapi-2b3c8de3012066b8.rlib" "/opt/rustwide/target/debug/deps/libkernel32-7b1b1e9c00963030.rlib" "/opt/rustwide/target/debug/deps/liblibc-19f84d5612491181.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-e32a991de8bae5fe.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-f14aca24435a5414.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-48d342a8b48d1d01.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-14bc0820888c8eb3.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9cbd9e217bff06bc.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-31826136df98934e.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-075976a117c8fd5d.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-2d5cbedfbf17a011.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0474372ff08c5319.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d437c34460d2315a.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-fb61ed1b8cc4de79.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bf76d1b643bfc9f0.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-a1b53aa7fddcf418.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-28585e57fac45c73.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-64801769bc15ab28.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-541997b56bb98660.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cdea3c81adab3d12.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-cd9f15a39fb65cbc.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-0913b9b302a2bba2.rlib(backtrace-0913b9b302a2bba2.backtrace.3pjilstj-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-0913b9b302a2bba2.rlib(backtrace-0913b9b302a2bba2.backtrace.3pjilstj-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" "815bded6522faeb577e83c06482f37460e4aa47f52a68f518bbb85066f3e8c3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "815bded6522faeb577e83c06482f37460e4aa47f52a68f518bbb85066f3e8c3d", kill_on_drop: false }`
[INFO] [stdout] 815bded6522faeb577e83c06482f37460e4aa47f52a68f518bbb85066f3e8c3d
