[INFO] updating cached repository andygrove/rust-avc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/andygrove/rust-avc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/andygrove/rust-avc" "work/ex/beta-1.37-6/sources/1.36.0/gh/andygrove/rust-avc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/andygrove/rust-avc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/andygrove/rust-avc" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/andygrove/rust-avc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/andygrove/rust-avc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0ba3e945e394e30286a6d28ae29e3475d25f3838
[INFO] sha for GitHub repo andygrove/rust-avc: 0ba3e945e394e30286a6d28ae29e3475d25f3838
[INFO] validating manifest of andygrove/rust-avc 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 andygrove/rust-avc 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 andygrove/rust-avc
[INFO] finished frobbing andygrove/rust-avc
[INFO] frobbed toml for andygrove/rust-avc written to work/ex/beta-1.37-6/sources/1.36.0/gh/andygrove/rust-avc/Cargo.toml
[INFO] started frobbing andygrove/rust-avc
[INFO] finished frobbing andygrove/rust-avc
[INFO] frobbed toml for andygrove/rust-avc written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/andygrove/rust-avc/Cargo.toml
[INFO] crate andygrove/rust-avc 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 andygrove/rust-avc against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/andygrove/rust-avc:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 8aba6618a64c885ff3d2d4462c23da23651d9a37fc7fc92a6bc14f5e4a2ee434
[INFO] running `"docker" "start" "-a" "8aba6618a64c885ff3d2d4462c23da23651d9a37fc7fc92a6bc14f5e4a2ee434"`
[INFO] [stderr]    Compiling regex-syntax v0.3.5
[INFO] [stderr]    Compiling yaml-rust v0.3.3
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling ioctl-rs v0.1.5
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling libsweep v1.0.0
[INFO] [stderr]    Compiling pulldown-cmark v0.0.3
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]    Compiling navigation v0.1.7
[INFO] [stderr]    Compiling num-iter v0.1.32
[INFO] [stderr]    Compiling aho-corasick v0.5.2
[INFO] [stderr]    Compiling serial v0.3.4
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling num v0.1.35
[INFO] [stderr]    Compiling thread_local v0.2.6
[INFO] [stderr]    Compiling skeptic v0.5.0
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling regex v0.1.75
[INFO] [stderr]    Compiling i2cdev v0.3.1
[INFO] [stderr]    Compiling spidev v0.2.1
[INFO] [stderr]    Compiling graceful v0.1.0
[INFO] [stderr]    Compiling hmc5883l v1.0.2
[INFO] [stderr]    Compiling sysfs_gpio v0.4.4
[INFO] [stderr]    Compiling qik v1.2.3
[INFO] [stderr]    Compiling avc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::iter::FromIterator`
[INFO] [stderr]   --> src/gps.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::iter::FromIterator;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/compass.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Arc`, `Mutex`
[INFO] [stderr]  --> src/compass.rs:5:17
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::sync::{Arc, Mutex};
[INFO] [stderr]   |                 ^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/compass.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude`
[INFO] [stderr]   --> src/compass.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::io::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lidar.rs:36:29
[INFO] [stderr]    |
[INFO] [stderr] 36 |                         let mut first = (samples.first().unwrap().angle / 1000) as usize;
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/lidar.rs:37:29
[INFO] [stderr]    |
[INFO] [stderr] 37 |                         let mut last = (samples.last().unwrap().angle / 1000) as usize;
[INFO] [stderr]    |                             ----^^^^
[INFO] [stderr]    |                             |
[INFO] [stderr]    |                             help: remove this `mut`
[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/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/avc-51e1140831e440e3.avc.36qcfq2q-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/avc-51e1140831e440e3.avc.36qcfq2q-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/avc-51e1140831e440e3.avc.36qcfq2q-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/avc-51e1140831e440e3.avc.36qcfq2q-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/avc-51e1140831e440e3.avc.36qcfq2q-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/avc-51e1140831e440e3.avc.36qcfq2q-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/avc-51e1140831e440e3.avc.36qcfq2q-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/avc-51e1140831e440e3.avc.36qcfq2q-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/avc-51e1140831e440e3.avc.36qcfq2q-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/avc-51e1140831e440e3.avc.36qcfq2q-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/avc-51e1140831e440e3.avc.36qcfq2q-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/avc-51e1140831e440e3.avc.36qcfq2q-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/avc-51e1140831e440e3.avc.36qcfq2q-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/avc-51e1140831e440e3.avc.36qcfq2q-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/avc-51e1140831e440e3.avc.36qcfq2q-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/avc-51e1140831e440e3.avc.36qcfq2q-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/avc-51e1140831e440e3" "/opt/crater/target/debug/deps/avc-51e1140831e440e3.2ibdf6n6o9jqksks.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lopencv_ffi" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/liblibsweep-e6b39c8657d0120f.rlib" "/opt/crater/target/debug/deps/libgraceful-1e888b3b0046d541.rlib" "/opt/crater/target/debug/deps/libnix-66c074ac5afb1be3.rlib" "/opt/crater/target/debug/deps/libhmc5883l-d220ffec25490204.rlib" "/opt/crater/target/debug/deps/libi2cdev-d84326740cfcc161.rlib" "/opt/crater/target/debug/deps/libbitflags-02eac7b11f4d7bd5.rlib" "/opt/crater/target/debug/deps/libbyteorder-036ba18ccd728094.rlib" "/opt/crater/target/debug/deps/libyaml_rust-6e29ef51bcdcd497.rlib" "/opt/crater/target/debug/deps/libqik-d4a36a864f062cdd.rlib" "/opt/crater/target/debug/deps/libserial-8a58c23e13cae6ad.rlib" "/opt/crater/target/debug/deps/libioctl_rs-23a2b6cf652e453d.rlib" "/opt/crater/target/debug/deps/libtermios-b5be3ae7ecfb2b68.rlib" "/opt/crater/target/debug/deps/libnavigation-9823bb3fa80a8d2b.rlib" "/opt/crater/target/debug/deps/librand-6c14d72a6ce51893.rlib" "/opt/crater/target/debug/deps/libchrono-c4e3571f3f9aded8.rlib" "/opt/crater/target/debug/deps/libnum-8d92dda089683ed0.rlib" "/opt/crater/target/debug/deps/libnum_iter-06db5a6d11dc353b.rlib" "/opt/crater/target/debug/deps/libnum_integer-f59cc00f6b8f70e7.rlib" "/opt/crater/target/debug/deps/libnum_traits-e55d88dc20f0a698.rlib" "/opt/crater/target/debug/deps/libtime-592a4d33c2e90043.rlib" "/opt/crater/target/debug/deps/libgetopts-49e052507e60ebde.rlib" "/opt/crater/target/debug/deps/libsysfs_gpio-fb8ece183c3da2a1.rlib" "/opt/crater/target/debug/deps/libregex-d19658a1c5e2549f.rlib" "/opt/crater/target/debug/deps/libutf8_ranges-02a9ee482eb041c6.rlib" "/opt/crater/target/debug/deps/libregex_syntax-f9fa249fde5de099.rlib" "/opt/crater/target/debug/deps/libthread_local-6a5fa17e6d80c024.rlib" "/opt/crater/target/debug/deps/libthread_id-32572458b7c0f74e.rlib" "/opt/crater/target/debug/deps/libaho_corasick-529ae5f451634f3d.rlib" "/opt/crater/target/debug/deps/libmemchr-5ef1f3055392a405.rlib" "/opt/crater/target/debug/deps/libnix-eb09a46e42b76bfb.rlib" "/opt/crater/target/debug/deps/liblibc-3ca654175df475d9.rlib" "/opt/crater/target/debug/deps/libvoid-7cea1bca190341e8.rlib" "/opt/crater/target/debug/deps/libcfg_if-e3a657be82e73c34.rlib" "/opt/crater/target/debug/deps/libbitflags-37df1eb7983fc230.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-a80a1e8e09cafef8.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e0e6351da805c468.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-e04f54bafc95e331.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-67901d3322495bd5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-bd390b1abaceaec1.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-312dd37fdc7bedfc.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-8ed0e51d58d644a3.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-8a423c320a6c707f.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d6a95598e2238263.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d231614b153016eb.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-3821619027f463e4.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-1cfd794d18771a44.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-dcf33cf10c2452ef.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-c258fea34bf64bce.rlib" "-Wl,-Bdynamic" "-lsweep" "-lc" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lopencv_ffi
[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 `avc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "8aba6618a64c885ff3d2d4462c23da23651d9a37fc7fc92a6bc14f5e4a2ee434"`
[INFO] running `"docker" "rm" "-f" "8aba6618a64c885ff3d2d4462c23da23651d9a37fc7fc92a6bc14f5e4a2ee434"`
[INFO] [stdout] 8aba6618a64c885ff3d2d4462c23da23651d9a37fc7fc92a6bc14f5e4a2ee434