[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 master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimblandy%2Fhexes" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jimblandy/hexes on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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-3/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] acab7dadad3094d3e154615e4bb89af5ca5c5363b73872a9f74859a2f80b4a0c
[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" "acab7dadad3094d3e154615e4bb89af5ca5c5363b73872a9f74859a2f80b4a0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acab7dadad3094d3e154615e4bb89af5ca5c5363b73872a9f74859a2f80b4a0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acab7dadad3094d3e154615e4bb89af5ca5c5363b73872a9f74859a2f80b4a0c", kill_on_drop: false }`
[INFO] [stdout] acab7dadad3094d3e154615e4bb89af5ca5c5363b73872a9f74859a2f80b4a0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78047ac80e1e50d2420898073c30756779b6a7bb7f90bc262904e132c204634c
[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" "78047ac80e1e50d2420898073c30756779b6a7bb7f90bc262904e132c204634c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]    Compiling phf_shared v0.7.20
[INFO] [stderr]    Compiling serde v0.8.21
[INFO] [stderr]    Compiling lazy_static v0.2.2
[INFO] [stderr]    Compiling khronos_api v1.0.0
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling crossbeam v0.2.10
[INFO] [stderr]    Compiling pkg-config v0.3.8
[INFO] [stderr]    Compiling gcc v0.3.41
[INFO] [stderr]    Compiling rustc-demangle v0.1.3
[INFO] [stderr]    Compiling approx v0.1.1
[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 phf v0.7.20
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling shared_library v0.1.5
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling x11-dl v2.12.0
[INFO] [stderr]    Compiling memmap v0.2.3
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling tempfile v2.1.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling wayland-scanner v0.5.11
[INFO] [stderr]    Compiling gl_generator v0.5.2
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling phf_generator v0.7.20
[INFO] [stderr]    Compiling phf_codegen v0.7.20
[INFO] [stderr]    Compiling target_build_utils v0.1.2
[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-kbd v0.3.6
[INFO] [stderr]    Compiling wayland-window v0.2.3
[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/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/hexes-68642d68c1797c1a.hexes.8xlzyfmw-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-68642d68c1797c1a.hexes.8xlzyfmw-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-68642d68c1797c1a.hexes.8xlzyfmw-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-68642d68c1797c1a.hexes.8xlzyfmw-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-68642d68c1797c1a.hexes.8xlzyfmw-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-68642d68c1797c1a.hexes.8xlzyfmw-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-68642d68c1797c1a.hexes.8xlzyfmw-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-68642d68c1797c1a.hexes.8xlzyfmw-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-68642d68c1797c1a.hexes.8xlzyfmw-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-68642d68c1797c1a.hexes.8xlzyfmw-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-68642d68c1797c1a.hexes.8xlzyfmw-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-68642d68c1797c1a.hexes.8xlzyfmw-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-68642d68c1797c1a.hexes.8xlzyfmw-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-68642d68c1797c1a.hexes.8xlzyfmw-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-68642d68c1797c1a.hexes.8xlzyfmw-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/hexes-68642d68c1797c1a.hexes.8xlzyfmw-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/hexes-68642d68c1797c1a" "/opt/rustwide/target/debug/deps/hexes-68642d68c1797c1a.4hjxt9qhcfihbrdv.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libcgmath-e3c6e00e344f5f6f.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-c0c1e4124f49b90a.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-7c94a04b463c09ee.rlib" "/opt/rustwide/target/debug/deps/libapprox-bec25f09c42b804a.rlib" "/opt/rustwide/target/debug/deps/libglium-9eea205f78b6532a.rlib" "/opt/rustwide/target/debug/deps/libglutin-bb0c6340f6a2f3d3.rlib" "/opt/rustwide/target/debug/deps/libwayland_window-8254c15d64758323.rlib" "/opt/rustwide/target/debug/deps/libtempfile-b7cde28c0b9233a5.rlib" "/opt/rustwide/target/debug/deps/librand-ca2fe62d4c7e4a59.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-2fb7a919978a4405.rlib" "/opt/rustwide/target/debug/deps/libwayland_kbd-77c8fa2cdfd38ef4.rlib" "/opt/rustwide/target/debug/deps/libmemmap-6bb9e16e950e9de5.rlib" "/opt/rustwide/target/debug/deps/libosmesa_sys-e3be39c3dff3ae22.rlib" "/opt/rustwide/target/debug/deps/libwayland_client-e8a5f9f0d0ecb8c9.rlib" "/opt/rustwide/target/debug/deps/libwayland_sys-3fd338356ab82687.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-091fe8fb328d4e86.rlib" "/opt/rustwide/target/debug/deps/libdlib-4771bc6d5425e98c.rlib" "/opt/rustwide/target/debug/deps/liblibloading-ca6d1237bfb526b9.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam-828789d4961107e8.rlib" "/opt/rustwide/target/debug/deps/libbitflags-d2ad12c0bdfd14cf.rlib" "/opt/rustwide/target/debug/deps/libx11_dl-de4f9ef3a2c911dd.rlib" "/opt/rustwide/target/debug/deps/libshared_library-390c5b2ced394b52.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-a96edc57927f06f7.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-7e3563f7515fe3f0.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-c5f5b7a83ab68557.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-4b52f0c0ec6272f6.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-03a1101579ae234e.rlib" "/opt/rustwide/target/debug/deps/libdbghelp-8125723676ab7d1d.rlib" "/opt/rustwide/target/debug/deps/libwinapi-f315fac9f78c00fb.rlib" "/opt/rustwide/target/debug/deps/libkernel32-357e0cd2dff55d80.rlib" "/opt/rustwide/target/debug/deps/liblibc-c93b7898e1e80e10.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-53fb8e8621861752.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-5989bcf78182f65e.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-4d6da34bc177af8d.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-10e0d6c948699482.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-c2318e2415657781.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-3815b93ed84badbb.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-d7999143d95238cb.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-c58298a0d40df8b8.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-b7de97e2ba6fb4e2.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-6f71c9f654d72cce.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-95ea48ddc44a311b.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-7402cd4761aebc14.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-68f423c59dc48a40.rlib" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-54580c7798bf2225.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-95a4d456339b7385.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-7e3563f7515fe3f0.rlib(backtrace-7e3563f7515fe3f0.backtrace.adv1i9cw-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-7e3563f7515fe3f0.rlib(backtrace-7e3563f7515fe3f0.backtrace.adv1i9cw-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" "78047ac80e1e50d2420898073c30756779b6a7bb7f90bc262904e132c204634c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78047ac80e1e50d2420898073c30756779b6a7bb7f90bc262904e132c204634c", kill_on_drop: false }`
[INFO] [stdout] 78047ac80e1e50d2420898073c30756779b6a7bb7f90bc262904e132c204634c