[INFO] updating cached repository drbawb/megumin
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/drbawb/megumin
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/drbawb/megumin" "work/ex/beta-1.38-1/sources/1.37.0/gh/drbawb/megumin"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/drbawb/megumin'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/drbawb/megumin" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/drbawb/megumin"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/drbawb/megumin'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 89054c709d7bb12f5edab066b85a90dfa6406a65
[INFO] sha for GitHub repo drbawb/megumin: 89054c709d7bb12f5edab066b85a90dfa6406a65
[INFO] validating manifest of drbawb/megumin on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of drbawb/megumin on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing drbawb/megumin
[INFO] finished frobbing drbawb/megumin
[INFO] frobbed toml for drbawb/megumin written to work/ex/beta-1.38-1/sources/1.37.0/gh/drbawb/megumin/Cargo.toml
[INFO] started frobbing drbawb/megumin
[INFO] finished frobbing drbawb/megumin
[INFO] frobbed toml for drbawb/megumin written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/drbawb/megumin/Cargo.toml
[INFO] crate drbawb/megumin already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing drbawb/megumin against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/drbawb/megumin:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 057da352c61da368e65a27c2483b634b33e1ec3fc54001c70e9e257ae563d5ce
[INFO] running `"docker" "start" "-a" "057da352c61da368e65a27c2483b634b33e1ec3fc54001c70e9e257ae563d5ce"`
[INFO] [stderr]    Compiling phf_shared v0.7.20
[INFO] [stderr]    Compiling serde v0.8.21
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling gcc v0.3.41
[INFO] [stderr]    Compiling khronos_api v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.8
[INFO] [stderr]    Compiling crossbeam v0.2.10
[INFO] [stderr]    Compiling odds v0.2.25
[INFO] [stderr]    Compiling adler32 v0.3.0
[INFO] [stderr]    Compiling inflate v0.1.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.3
[INFO] [stderr]    Compiling smallvec v0.1.8
[INFO] [stderr]    Compiling scoped_threadpool v0.1.7
[INFO] [stderr]    Compiling linked-hash-map v0.0.10
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling num_cpus v1.2.1
[INFO] [stderr]    Compiling xml-rs v0.3.5
[INFO] [stderr]    Compiling shared_library v0.1.5
[INFO] [stderr]    Compiling phf v0.7.20
[INFO] [stderr]    Compiling gif v0.9.0
[INFO] [stderr]    Compiling stb_truetype v0.2.0
[INFO] [stderr]    Compiling deflate v0.7.1
[INFO] [stderr]    Compiling x11-dl v2.12.0
[INFO] [stderr]    Compiling nodrop v0.1.8
[INFO] [stderr]    Compiling tempfile v2.1.4
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling arrayvec v0.3.20
[INFO] [stderr]    Compiling phf_generator v0.7.20
[INFO] [stderr]    Compiling deque v0.3.1
[INFO] [stderr]    Compiling num-bigint v0.1.35
[INFO] [stderr]    Compiling num v0.1.36
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling phf_codegen v0.7.20
[INFO] [stderr]    Compiling rayon v0.6.0
[INFO] [stderr]    Compiling enum_primitive v0.1.0
[INFO] [stderr]    Compiling rusttype v0.2.1
[INFO] [stderr]    Compiling target_build_utils v0.1.2
[INFO] [stderr]    Compiling memmap v0.2.3
[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 serde_json v0.8.4
[INFO] [stderr]    Compiling png v0.6.0
[INFO] [stderr] warning[E0311]: the parameter type `K` may not live long enough
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.1/src/support/bst/map.rs:81:19
[INFO] [stderr]    |
[INFO] [stderr] 81 |             match node.force() {
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding an explicit lifetime bound for `K`
[INFO] [stderr] note: the parameter type `K` must be valid for the anonymous lifetime #1 defined on the function body at 77:9...
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.1/src/support/bst/map.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 | /         fn clone_subtree<K: Clone, V: Clone>(
[INFO] [stderr] 78 | |                 node: node::NodeRef<marker::Immut, K, V, marker::LeafOrInternal>)
[INFO] [stderr] 79 | |                 -> BTreeMap<K, V> {
[INFO] [stderr] 80 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 136| |             }
[INFO] [stderr] 137| |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]    = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]    = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr] warning[E0311]: the parameter type `V` may not live long enough
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.1/src/support/bst/map.rs:81:19
[INFO] [stderr]    |
[INFO] [stderr] 81 |             match node.force() {
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding an explicit lifetime bound for `V`
[INFO] [stderr] note: the parameter type `V` must be valid for the anonymous lifetime #1 defined on the function body at 77:9...
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.1/src/support/bst/map.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 | /         fn clone_subtree<K: Clone, V: Clone>(
[INFO] [stderr] 78 | |                 node: node::NodeRef<marker::Immut, K, V, marker::LeafOrInternal>)
[INFO] [stderr] 79 | |                 -> BTreeMap<K, V> {
[INFO] [stderr] 80 | |
[INFO] [stderr] ...  |
[INFO] [stderr] 136| |             }
[INFO] [stderr] 137| |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]    = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]    = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling num-rational v0.1.35
[INFO] [stderr]    Compiling wayland-client v0.5.12
[INFO] [stderr]    Compiling jpeg-decoder v0.1.10
[INFO] [stderr]    Compiling glutin v0.6.2
[INFO] [stderr]    Compiling glium v0.15.0
[INFO] [stderr]    Compiling image 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 megumin v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/render.rs:57:65
[INFO] [stderr]    |
[INFO] [stderr] 57 |         let verts_buffer = VertexBuffer::empty_dynamic(display, (MAX_RECTS * 6))
[INFO] [stderr]    |                                                                 ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/render.rs:60:94
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let index_buffer = IndexBuffer::empty_dynamic(display, PrimitiveType::TrianglesList, (MAX_RECTS * 6))
[INFO] [stderr]    |                                                                                              ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `w`
[INFO] [stderr]    --> src/entities/sprite.rs:148:14
[INFO] [stderr]     |
[INFO] [stderr] 148 |         let (w,h) = (0.035, 0.035);
[INFO] [stderr]     |              ^ help: consider prefixing with an underscore: `_w`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]    --> src/entities/sprite.rs:148:16
[INFO] [stderr]     |
[INFO] [stderr] 148 |         let (w,h) = (0.035, 0.035);
[INFO] [stderr]     |                ^ help: consider prefixing with an underscore: `_h`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `tx_star_bg`
[INFO] [stderr]   --> src/entities/map.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     tx_star_bg: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] 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/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/megumin-20a39f45a61299d2.megumin.3udfg2s4-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/megumin-20a39f45a61299d2.megumin.3udfg2s4-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/megumin-20a39f45a61299d2.megumin.3udfg2s4-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/megumin-20a39f45a61299d2.megumin.3udfg2s4-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/megumin-20a39f45a61299d2.megumin.3udfg2s4-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/megumin-20a39f45a61299d2.megumin.3udfg2s4-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/megumin-20a39f45a61299d2.megumin.3udfg2s4-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/megumin-20a39f45a61299d2.megumin.3udfg2s4-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/megumin-20a39f45a61299d2.megumin.3udfg2s4-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/megumin-20a39f45a61299d2.megumin.3udfg2s4-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/megumin-20a39f45a61299d2.megumin.3udfg2s4-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/megumin-20a39f45a61299d2.megumin.3udfg2s4-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/megumin-20a39f45a61299d2.megumin.3udfg2s4-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/megumin-20a39f45a61299d2.megumin.3udfg2s4-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/megumin-20a39f45a61299d2.megumin.3udfg2s4-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/megumin-20a39f45a61299d2.megumin.3udfg2s4-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/megumin-20a39f45a61299d2" "/opt/crater/target/debug/deps/megumin-20a39f45a61299d2.ao0ru0iqdnnmic.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/librusttype-3f3ae4f22aca962d.rlib" "/opt/crater/target/debug/deps/liblinked_hash_map-04b5efa70ebe1185.rlib" "/opt/crater/target/debug/deps/libstb_truetype-e7fd83a118bc33fd.rlib" "/opt/crater/target/debug/deps/libbyteorder-6625e79c2e8ceba8.rlib" "/opt/crater/target/debug/deps/libarrayvec-514789a99ff5015e.rlib" "/opt/crater/target/debug/deps/libnodrop-bab56201e038eb31.rlib" "/opt/crater/target/debug/deps/libodds-5ebc0276dab9f0ae.rlib" "/opt/crater/target/debug/deps/libimage-16f86138cd96dfd5.rlib" "/opt/crater/target/debug/deps/libscoped_threadpool-71d3f86c183f04a6.rlib" "/opt/crater/target/debug/deps/libgif-86c2dac4d31c5a5c.rlib" "/opt/crater/target/debug/deps/libcolor_quant-a3347af2ac87caa9.rlib" "/opt/crater/target/debug/deps/liblzw-1f37f345e8096c7b.rlib" "/opt/crater/target/debug/deps/libjpeg_decoder-f99d70d88f2172b7.rlib" "/opt/crater/target/debug/deps/librayon-90791650aaa3dcec.rlib" "/opt/crater/target/debug/deps/libnum_cpus-b5d4199b7c475cb1.rlib" "/opt/crater/target/debug/deps/libdeque-3620e4c4e3134c95.rlib" "/opt/crater/target/debug/deps/libpng-03b5865ba16f4418.rlib" "/opt/crater/target/debug/deps/libdeflate-db8166878ab30a38.rlib" "/opt/crater/target/debug/deps/libbyteorder-3dffb2228fd53a71.rlib" "/opt/crater/target/debug/deps/libadler32-ae6cc66f867fbcf1.rlib" "/opt/crater/target/debug/deps/libinflate-c3ebc67038fd2709.rlib" "/opt/crater/target/debug/deps/libenum_primitive-bc212212fd5e57de.rlib" "/opt/crater/target/debug/deps/libnum-0ca91df03a24dd10.rlib" "/opt/crater/target/debug/deps/libnum_rational-3f297cee615ba3c5.rlib" "/opt/crater/target/debug/deps/libnum_bigint-ebd906f84566af57.rlib" "/opt/crater/target/debug/deps/librustc_serialize-eee3b26c21f1fbaf.rlib" "/opt/crater/target/debug/deps/libnum_iter-b7c7094018b9b4e5.rlib" "/opt/crater/target/debug/deps/libnum_integer-1bb350ebdb52db08.rlib" "/opt/crater/target/debug/deps/libnum_traits-0b49cd367c6da4a1.rlib" "/opt/crater/target/debug/deps/libglium-ddea7137e6ab3aee.rlib" "/opt/crater/target/debug/deps/libglutin-992987549b439868.rlib" "/opt/crater/target/debug/deps/libwayland_window-f288675d82d41abf.rlib" "/opt/crater/target/debug/deps/libtempfile-b8c6918cc741f106.rlib" "/opt/crater/target/debug/deps/librand-28296c9a91207140.rlib" "/opt/crater/target/debug/deps/libbyteorder-a3968c370c7b24cf.rlib" "/opt/crater/target/debug/deps/libwayland_kbd-3087791e5aa2242d.rlib" "/opt/crater/target/debug/deps/libmemmap-daf5d1ef655b2661.rlib" "/opt/crater/target/debug/deps/libosmesa_sys-0feb5cf044b3f8c6.rlib" "/opt/crater/target/debug/deps/libwayland_client-c412ee809af8f896.rlib" "/opt/crater/target/debug/deps/libwayland_sys-24545d2e9aaebf50.rlib" "/opt/crater/target/debug/deps/liblazy_static-77397d332fc5c1af.rlib" "/opt/crater/target/debug/deps/libdlib-104e4184dacc99dc.rlib" "/opt/crater/target/debug/deps/liblibloading-0db1a479c7d70a33.rlib" "/opt/crater/target/debug/deps/libcrossbeam-00cea4f0abee8667.rlib" "/opt/crater/target/debug/deps/libbitflags-05fa20c47058c1db.rlib" "/opt/crater/target/debug/deps/libx11_dl-3d45e1851ec058f1.rlib" "/opt/crater/target/debug/deps/libshared_library-036ecfa0dea3f9b1.rlib" "/opt/crater/target/debug/deps/libsmallvec-1e4a6f6633b9c71f.rlib" "/opt/crater/target/debug/deps/libbacktrace-a6cf136cb4de52dd.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-491c8b32ff601c07.rlib" "/opt/crater/target/debug/deps/librustc_demangle-550740f22608ec8c.rlib" "/opt/crater/target/debug/deps/libcfg_if-55146e185022d321.rlib" "/opt/crater/target/debug/deps/libdbghelp-94ab056f98c942bf.rlib" "/opt/crater/target/debug/deps/libwinapi-d699aca12e7b19a5.rlib" "/opt/crater/target/debug/deps/libkernel32-68d3558eb82f9807.rlib" "/opt/crater/target/debug/deps/liblibc-e7a8e468d1534af4.rlib" "/opt/crater/target/debug/deps/liblazy_static-287e3c5731c128ca.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-4a76ff35a356aedf.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e11c7b3b3225afe2.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-13217ede3d276f16.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-621a9ee22da6caa1.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-546c844e8071bbeb.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-be9569e4d599746f.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-47d8845cef2a3bc5.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-017511bce73a530c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-be7979c57a08057b.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d6459c4f0817c67c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-580035dd98451925.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-aee5c24fff305dea.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8a55a4098920125a.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-9fc4b5be2ba5cc19.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-a6cf136cb4de52dd.rlib(backtrace-a6cf136cb4de52dd.backtrace.ah1pdure-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-a6cf136cb4de52dd.rlib(backtrace-a6cf136cb4de52dd.backtrace.ah1pdure-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 `megumin`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "057da352c61da368e65a27c2483b634b33e1ec3fc54001c70e9e257ae563d5ce"`
[INFO] running `"docker" "rm" "-f" "057da352c61da368e65a27c2483b634b33e1ec3fc54001c70e9e257ae563d5ce"`
[INFO] [stdout] 057da352c61da368e65a27c2483b634b33e1ec3fc54001c70e9e257ae563d5ce