[INFO] updating cached repository echelon/etherdream-emulator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/echelon/etherdream-emulator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/echelon/etherdream-emulator" "work/ex/beta-1.37-6/sources/1.36.0/gh/echelon/etherdream-emulator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/echelon/etherdream-emulator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/echelon/etherdream-emulator" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/echelon/etherdream-emulator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/echelon/etherdream-emulator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 656568a599c357495d725b20e93b6fadda29ac26
[INFO] sha for GitHub repo echelon/etherdream-emulator: 656568a599c357495d725b20e93b6fadda29ac26
[INFO] validating manifest of echelon/etherdream-emulator on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of echelon/etherdream-emulator on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing echelon/etherdream-emulator
[INFO] finished frobbing echelon/etherdream-emulator
[INFO] frobbed toml for echelon/etherdream-emulator written to work/ex/beta-1.37-6/sources/1.36.0/gh/echelon/etherdream-emulator/Cargo.toml
[INFO] started frobbing echelon/etherdream-emulator
[INFO] finished frobbing echelon/etherdream-emulator
[INFO] frobbed toml for echelon/etherdream-emulator written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/echelon/etherdream-emulator/Cargo.toml
[INFO] crate echelon/etherdream-emulator already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing echelon/etherdream-emulator against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/echelon/etherdream-emulator:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 1c64e4fab97184948bb766e69aecc24195dfc51b8e3f31d5ac1b71837fc53d23
[INFO] running `"docker" "start" "-a" "1c64e4fab97184948bb766e69aecc24195dfc51b8e3f31d5ac1b71837fc53d23"`
[INFO] [stderr]    Compiling debug-builders v0.1.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling libz-sys v1.0.7
[INFO] [stderr]    Compiling ilda v0.0.2
[INFO] [stderr]    Compiling net2 v0.2.26
[INFO] [stderr]    Compiling wayland-scanner v0.5.11
[INFO] [stderr]    Compiling clap v2.19.2
[INFO] [stderr]    Compiling pistoncore-input v0.12.0
[INFO] [stderr]    Compiling glutin v0.5.2
[INFO] [stderr]    Compiling glium v0.14.0
[INFO] [stderr]    Compiling memmap v0.2.3
[INFO] [stderr]    Compiling freetype-sys v0.4.0
[INFO] [stderr]    Compiling backtrace v0.1.8
[INFO] [stderr]    Compiling wayland-sys v0.5.11
[INFO] [stderr]    Compiling wayland-client v0.5.12
[INFO] [stderr]    Compiling freetype-rs v0.9.0
[INFO] [stderr]    Compiling pistoncore-window v0.20.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.23.0
[INFO] [stderr]    Compiling piston v0.23.0
[INFO] [stderr]    Compiling wayland-window v0.2.3
[INFO] [stderr]    Compiling wayland-kbd v0.3.6
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.27.0
[INFO] [stderr]    Compiling piston2d-glium_graphics v0.26.0
[INFO] [stderr]    Compiling etherdream-emulator v0.1.4 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/dac.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     unreachable!()
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_code)] on by default
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `size`
[INFO] [stderr]    --> src/dac.rs:198:9
[INFO] [stderr]     |
[INFO] [stderr] 198 |     let size = stream.write(response)?;
[INFO] [stderr]     |         ^^^^ help: consider prefixing with an underscore: `_size`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/pipeline.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |     let mut lock = self.input.lock()?;
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ClearEStop`
[INFO] [stderr]    --> src/protocol.rs:160:3
[INFO] [stderr]     |
[INFO] [stderr] 160 |   ClearEStop,
[INFO] [stderr]     |   ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EmergencyStop`
[INFO] [stderr]    --> src/protocol.rs:161:3
[INFO] [stderr]     |
[INFO] [stderr] 161 |   EmergencyStop,
[INFO] [stderr]     |   ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `QueueRateChange`
[INFO] [stderr]    --> src/protocol.rs:173:3
[INFO] [stderr]     |
[INFO] [stderr] 173 |   QueueRateChange,
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Stop`
[INFO] [stderr]    --> src/protocol.rs:174:3
[INFO] [stderr]     |
[INFO] [stderr] 174 |   Stop,
[INFO] [stderr]     |   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `name`
[INFO] [stderr]    --> src/protocol.rs:208:3
[INFO] [stderr]     |
[INFO] [stderr] 208 |   pub fn name(&self) -> &str {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `BeginCommand`
[INFO] [stderr]    --> src/protocol.rs:250:1
[INFO] [stderr]     |
[INFO] [stderr] 250 | struct BeginCommand {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `PrepareCommand`
[INFO] [stderr]    --> src/protocol.rs:256:1
[INFO] [stderr]     |
[INFO] [stderr] 256 | struct PrepareCommand {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `DataCommand`
[INFO] [stderr]    --> src/protocol.rs:262:1
[INFO] [stderr]     |
[INFO] [stderr] 262 | struct DataCommand {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BufferFull`
[INFO] [stderr]    --> src/protocol.rs:283:3
[INFO] [stderr]     |
[INFO] [stderr] 283 |   BufferFull,
[INFO] [stderr]     |   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `InvalidCommand`
[INFO] [stderr]    --> src/protocol.rs:284:3
[INFO] [stderr]     |
[INFO] [stderr] 284 |   InvalidCommand,
[INFO] [stderr]     |   ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Stop`
[INFO] [stderr]    --> src/protocol.rs:285:3
[INFO] [stderr]     |
[INFO] [stderr] 285 |   Stop,
[INFO] [stderr]     |   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/protocol.rs:351:3
[INFO] [stderr]     |
[INFO] [stderr] 351 |   pub fn new() -> Broadcast {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `TCP_PORT`
[INFO] [stderr]   --> src/main.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | const TCP_PORT : u16 = 7765;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/dac.rs:87:11
[INFO] [stderr]    |
[INFO] [stderr] 87 |           self.write(&mut stream, &command);
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/dac.rs:90:11
[INFO] [stderr]    |
[INFO] [stderr] 90 |           self.write(&mut stream, &command);
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/dac.rs:93:11
[INFO] [stderr]    |
[INFO] [stderr] 93 |           self.write(&mut stream, &command);
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/dac.rs:96:11
[INFO] [stderr]    |
[INFO] [stderr] 96 |           self.write_version(&mut stream);
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[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/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/etherdream_emulator-d756e9f5e8dabe79.etherdream_emulator.cas5aii5-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/etherdream_emulator-d756e9f5e8dabe79.etherdream_emulator.cas5aii5-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/etherdream_emulator-d756e9f5e8dabe79.etherdream_emulator.cas5aii5-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/etherdream_emulator-d756e9f5e8dabe79.etherdream_emulator.cas5aii5-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/etherdream_emulator-d756e9f5e8dabe79.etherdream_emulator.cas5aii5-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/etherdream_emulator-d756e9f5e8dabe79.etherdream_emulator.cas5aii5-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/etherdream_emulator-d756e9f5e8dabe79.etherdream_emulator.cas5aii5-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/etherdream_emulator-d756e9f5e8dabe79.etherdream_emulator.cas5aii5-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/etherdream_emulator-d756e9f5e8dabe79.etherdream_emulator.cas5aii5-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/etherdream_emulator-d756e9f5e8dabe79.etherdream_emulator.cas5aii5-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/etherdream_emulator-d756e9f5e8dabe79.etherdream_emulator.cas5aii5-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/etherdream_emulator-d756e9f5e8dabe79.etherdream_emulator.cas5aii5-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/etherdream_emulator-d756e9f5e8dabe79.etherdream_emulator.cas5aii5-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/etherdream_emulator-d756e9f5e8dabe79.etherdream_emulator.cas5aii5-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/etherdream_emulator-d756e9f5e8dabe79.etherdream_emulator.cas5aii5-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/etherdream_emulator-d756e9f5e8dabe79.etherdream_emulator.cas5aii5-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/etherdream_emulator-d756e9f5e8dabe79" "/opt/crater/target/debug/deps/etherdream_emulator-d756e9f5e8dabe79.3zk0is0u0rewwifs.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/opt/crater/target/debug/build/miniz-sys-6d918c80ab138e08/out" "-L" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libnet2-f6fb57e8647e457b.rlib" "/opt/crater/target/debug/deps/libilda-69985817235e6d95.rlib" "/opt/crater/target/debug/deps/libglium_graphics-27f445c207c243e3.rlib" "/opt/crater/target/debug/deps/libglutin_window-6b2501f22f649e01.rlib" "/opt/crater/target/debug/deps/libgl-20bbeb6a5f606c78.rlib" "/opt/crater/target/debug/deps/libpiston-e42f52c12568a5cb.rlib" "/opt/crater/target/debug/deps/libevent_loop-9aeafca08f1bbd02.rlib" "/opt/crater/target/debug/deps/libtime-dce1fad28286ed01.rlib" "/opt/crater/target/debug/deps/libwindow-6ab2650e7d5fbb49.rlib" "/opt/crater/target/debug/deps/libinput-9604e3f074107db2.rlib" "/opt/crater/target/debug/deps/libshaders_graphics2d-d564c27ee7f243cb.rlib" "/opt/crater/target/debug/deps/libshader_version-a50a14e1b3982b3f.rlib" "/opt/crater/target/debug/deps/libimage-ed8e87ed803ea715.rlib" "/opt/crater/target/debug/deps/libscoped_threadpool-b62102866a1f3b83.rlib" "/opt/crater/target/debug/deps/libgif-6e178b28354901cb.rlib" "/opt/crater/target/debug/deps/libcolor_quant-cd7707e8063c859e.rlib" "/opt/crater/target/debug/deps/liblzw-f7952389a69c619d.rlib" "/opt/crater/target/debug/deps/libjpeg_decoder-66510a5c73a425fd.rlib" "/opt/crater/target/debug/deps/librayon-73d10462358145f5.rlib" "/opt/crater/target/debug/deps/libnum_cpus-3f7c14255ffe8bdc.rlib" "/opt/crater/target/debug/deps/libdeque-b106dc4830fa9152.rlib" "/opt/crater/target/debug/deps/libpng-8be578a0b3c31e97.rlib" "/opt/crater/target/debug/deps/libflate2-038084321de8ebb1.rlib" "/opt/crater/target/debug/deps/libminiz_sys-d0aeebc0531616fe.rlib" "/opt/crater/target/debug/deps/libinflate-ee12526f9b65db51.rlib" "/opt/crater/target/debug/deps/libenum_primitive-2d3b7fd9ed4653f2.rlib" "/opt/crater/target/debug/deps/libnum-10f90ea37a106ae2.rlib" "/opt/crater/target/debug/deps/libnum_rational-3f816456a62b90f6.rlib" "/opt/crater/target/debug/deps/libnum_bigint-7093873602b610c0.rlib" "/opt/crater/target/debug/deps/librustc_serialize-d3298b24124a3c5c.rlib" "/opt/crater/target/debug/deps/libnum_iter-0f89e24b063e10a9.rlib" "/opt/crater/target/debug/deps/libnum_integer-04eeb9b5654fb2cc.rlib" "/opt/crater/target/debug/deps/libnum_traits-5f46d2a51c998e26.rlib" "/opt/crater/target/debug/deps/libgraphics-2e562d5970e5ec0b.rlib" "/opt/crater/target/debug/deps/libviewport-d5063b77e0b72f27.rlib" "/opt/crater/target/debug/deps/libinterpolation-68e915bb545d1b01.rlib" "/opt/crater/target/debug/deps/libread_color-ee1b1e1ab5f071b7.rlib" "/opt/crater/target/debug/deps/libtexture-34eb0b58308785f5.rlib" "/opt/crater/target/debug/deps/libvecmath-23bef75cd04e3271.rlib" "/opt/crater/target/debug/deps/libfloat-8c3f93bbd6463b8d.rlib" "/opt/crater/target/debug/deps/libglium-edb1e02b99e49e9a.rlib" "/opt/crater/target/debug/deps/libglutin-e49a7a96c0e5270b.rlib" "/opt/crater/target/debug/deps/libwayland_window-3263b69de420ccc7.rlib" "/opt/crater/target/debug/deps/libtempfile-156ba51428f7f761.rlib" "/opt/crater/target/debug/deps/librand-5d489187a9b4c21e.rlib" "/opt/crater/target/debug/deps/libwayland_kbd-217de3d9298c70b0.rlib" "/opt/crater/target/debug/deps/libmemmap-892cd63a7723fb26.rlib" "/opt/crater/target/debug/deps/libosmesa_sys-24697713a3842e02.rlib" "/opt/crater/target/debug/deps/libwayland_client-3c16445e70032ca2.rlib" "/opt/crater/target/debug/deps/libwayland_sys-abcf6c5d69848b3d.rlib" "/opt/crater/target/debug/deps/libdlib-2082f65ff7106d6c.rlib" "/opt/crater/target/debug/deps/liblibloading-80907661258c7a8a.rlib" "/opt/crater/target/debug/deps/libcrossbeam-74e79b646380b665.rlib" "/opt/crater/target/debug/deps/libx11_dl-14370e8a5dab2fe9.rlib" "/opt/crater/target/debug/deps/libshared_library-aafac249adc8bff3.rlib" "/opt/crater/target/debug/deps/liblazy_static-d7718b504e03d468.rlib" "/opt/crater/target/debug/deps/libsmallvec-b1fe14462ebabc35.rlib" "/opt/crater/target/debug/deps/libbacktrace-84d52775aea99515.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-44a21dc39612b7f6.rlib" "/opt/crater/target/debug/deps/libcfg_if-fcc9aff037f57c39.rlib" "/opt/crater/target/debug/deps/libdbghelp-4c5eeff50cd0cc4c.rlib" "/opt/crater/target/debug/deps/libwinapi-6779d1f046ce211b.rlib" "/opt/crater/target/debug/deps/libkernel32-579101ee9cfddddd.rlib" "/opt/crater/target/debug/deps/libdebug_builders-da5f1a293f8e8379.rlib" "/opt/crater/target/debug/deps/liblazy_static-80c68ec466d08be3.rlib" "/opt/crater/target/debug/deps/libfreetype-68b45e43c730e819.rlib" "/opt/crater/target/debug/deps/libfreetype_sys-afdbc4035be7cfcb.rlib" "/opt/crater/target/debug/deps/libbitflags-851c038c2c3d9b8c.rlib" "/opt/crater/target/debug/deps/libclap-9b2cd1c42f850f0d.rlib" "/opt/crater/target/debug/deps/libunicode_segmentation-2132bb3067fed94a.rlib" "/opt/crater/target/debug/deps/libterm_size-852c783250ec9d09.rlib" "/opt/crater/target/debug/deps/libvec_map-ef49b491a2aa4b7d.rlib" "/opt/crater/target/debug/deps/libbitflags-df219a1ec24cdf3b.rlib" "/opt/crater/target/debug/deps/libunicode_width-fd9e29b5613c5dc5.rlib" "/opt/crater/target/debug/deps/liblibc-e444f8f33bb3c635.rlib" "/opt/crater/target/debug/deps/libansi_term-334ed51196badc8f.rlib" "/opt/crater/target/debug/deps/libstrsim-c50301fc79c38a31.rlib" "/opt/crater/target/debug/deps/libbyteorder-1f5f1f9046363f44.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9895e8982b0a79e7.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-57306b8ed3378a0e.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-54463ae5adae3649.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-d99667b199a9875a.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-51f4300e102199f5.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-b3ccf1f7737a6a91.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-157c37a3ceb78853.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-505bcee45aafb736.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c29abd529ba4452b.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-895383a3232f6572.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-5594cb4f559bc761.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-38e90baf978bc428.rlib" "-Wl,-Bdynamic" "-ldl" "-ldl" "-lfreetype" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /opt/crater/target/debug/deps/libbacktrace-84d52775aea99515.rlib(backtrace-84d52775aea99515.backtrace.1qbfrohe-cgu.4.rcgu.o): In function `backtrace::symbolize::libbacktrace::init_state::{{closure}}':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.1.8/src/symbolize/libbacktrace.rs:164: undefined reference to `backtrace_create_state'
[INFO] [stderr]           /opt/crater/target/debug/deps/libbacktrace-84d52775aea99515.rlib(backtrace-84d52775aea99515.backtrace.1qbfrohe-cgu.4.rcgu.o): In function `backtrace::symbolize::libbacktrace::resolve':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.1.8/src/symbolize/libbacktrace.rs:192: undefined reference to `backtrace_pcinfo'
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.1.8/src/symbolize/libbacktrace.rs:196: 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 `etherdream-emulator`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1c64e4fab97184948bb766e69aecc24195dfc51b8e3f31d5ac1b71837fc53d23"`
[INFO] running `"docker" "rm" "-f" "1c64e4fab97184948bb766e69aecc24195dfc51b8e3f31d5ac1b71837fc53d23"`
[INFO] [stdout] 1c64e4fab97184948bb766e69aecc24195dfc51b8e3f31d5ac1b71837fc53d23