[INFO] cloning repository https://github.com/mgsloan/treadcam
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mgsloan/treadcam" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgsloan%2Ftreadcam", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgsloan%2Ftreadcam'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7394173dbc9e81874d897e2e382f0ea38784b20
[INFO] testing mgsloan/treadcam against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgsloan%2Ftreadcam" "/workspace/builds/worker-96/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-96/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mgsloan/treadcam on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mgsloan/treadcam
[INFO] finished tweaking git repo https://github.com/mgsloan/treadcam
[INFO] tweaked toml for git repo https://github.com/mgsloan/treadcam written to /workspace/builds/worker-96/source/Cargo.toml
[INFO] crate git repo https://github.com/mgsloan/treadcam already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--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-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a31ee755fa2d9b276cd0adfabd2b01f57f6d7ce7a2cb81390ca3edf77395ac4a
[INFO] running `Command { std: "docker" "start" "-a" "a31ee755fa2d9b276cd0adfabd2b01f57f6d7ce7a2cb81390ca3edf77395ac4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a31ee755fa2d9b276cd0adfabd2b01f57f6d7ce7a2cb81390ca3edf77395ac4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a31ee755fa2d9b276cd0adfabd2b01f57f6d7ce7a2cb81390ca3edf77395ac4a", kill_on_drop: false }`
[INFO] [stdout] a31ee755fa2d9b276cd0adfabd2b01f57f6d7ce7a2cb81390ca3edf77395ac4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1387006ec09f169dd7dd52e776f55e43e4f2575b72e57c156c4035104cc0982
[INFO] running `Command { std: "docker" "start" "-a" "c1387006ec09f169dd7dd52e776f55e43e4f2575b72e57c156c4035104cc0982", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling lazy_static v1.0.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling adler32 v1.0.2
[INFO] [stderr]    Compiling byteorder v1.2.3
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling goertzel v0.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]    Compiling inflate v0.3.4
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling rscam v0.5.4
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling gif v0.9.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling rustfft v2.0.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling serde_derive v1.0.66
[INFO] [stderr]    Compiling image v0.17.0
[INFO] [stderr]    Compiling serde_json v1.0.20
[INFO] [stderr]    Compiling treadcam v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rustfft::FFTplanner`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use rustfft::FFTplanner;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rustfft::num_complex::Complex`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use rustfft::num_complex::Complex;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/main.rs:161:13
[INFO] [stdout]     |
[INFO] [stdout] 161 |         for x in 0..(img.width() - 1) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let mut input_bytes = fs::read("data/walking/out.json").unwrap();
[INFO] [stdout]    |         ----^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 133 |         let mut img = image::ImageBuffer::from_fn(img0.width(), img0.height(), |x, y| img0[(x, y)]);
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `old_main`
[INFO] [stdout]   --> src/main.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn old_main() {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:178:5
[INFO] [stdout]     |
[INFO] [stdout] 178 |     out_img.save("out.jpg");
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 181 |     file.write_all(serde_json::to_string(&data).unwrap().as_bytes());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/treadcam-6bcee207fe77a2c3.treadcam.4f881c6e-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/treadcam-6bcee207fe77a2c3.treadcam.4f881c6e-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/treadcam-6bcee207fe77a2c3.treadcam.4f881c6e-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/treadcam-6bcee207fe77a2c3.treadcam.4f881c6e-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/treadcam-6bcee207fe77a2c3.treadcam.4f881c6e-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/treadcam-6bcee207fe77a2c3.treadcam.4f881c6e-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/treadcam-6bcee207fe77a2c3.treadcam.4f881c6e-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/treadcam-6bcee207fe77a2c3.treadcam.4f881c6e-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/treadcam-6bcee207fe77a2c3.treadcam.4f881c6e-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/treadcam-6bcee207fe77a2c3.treadcam.4f881c6e-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/treadcam-6bcee207fe77a2c3.treadcam.4f881c6e-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/treadcam-6bcee207fe77a2c3.treadcam.4f881c6e-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/treadcam-6bcee207fe77a2c3.treadcam.4f881c6e-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/treadcam-6bcee207fe77a2c3.treadcam.4f881c6e-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/treadcam-6bcee207fe77a2c3.treadcam.4f881c6e-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/treadcam-6bcee207fe77a2c3.treadcam.4f881c6e-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/treadcam-6bcee207fe77a2c3.11p7mz1p6zqxeala.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libgoertzel-c83d4848cb477889.rlib" "/opt/rustwide/target/debug/deps/librustfft-c558730bbb9bed33.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-35fb863d042571cd.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-306a29a12f142e2b.rlib" "/opt/rustwide/target/debug/deps/libserde_json-5f6d0a6624331eb4.rlib" "/opt/rustwide/target/debug/deps/libitoa-79b8170aa295e2ad.rlib" "/opt/rustwide/target/debug/deps/libdtoa-906e71d603115925.rlib" "/opt/rustwide/target/debug/deps/libserde-cfe1e1a867f38eae.rlib" "/opt/rustwide/target/debug/deps/libimage-9846b126a92a6dc9.rlib" "/opt/rustwide/target/debug/deps/libscoped_threadpool-d60964a8b5ca3771.rlib" "/opt/rustwide/target/debug/deps/libgif-a2ed9d4fe0b9ce9e.rlib" "/opt/rustwide/target/debug/deps/libcolor_quant-efd96908fbcbc9d2.rlib" "/opt/rustwide/target/debug/deps/liblzw-7b67818fa924d644.rlib" "/opt/rustwide/target/debug/deps/libjpeg_decoder-dc18b9f53db2e88f.rlib" "/opt/rustwide/target/debug/deps/librayon-660522b87a9dc908.rlib" "/opt/rustwide/target/debug/deps/libeither-09b25145aa9a70e3.rlib" "/opt/rustwide/target/debug/deps/librayon_core-95b065239476cee5.rlib" "/opt/rustwide/target/debug/deps/librand-2dcba8162aa7c276.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-2d7e3506e9096cce.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-1da756def7189ee8.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-79c3fd5d34a3076f.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-d1d942d3990dad6b.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-1e2cbff4eafa7f91.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-60ae8678064c0479.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-aa8c56a3515c714b.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-cc1ba404faed2e9e.rlib" "/opt/rustwide/target/debug/deps/libarrayvec-6fb23d017bc3bc29.rlib" "/opt/rustwide/target/debug/deps/libnodrop-863439ffd0a42070.rlib" "/opt/rustwide/target/debug/deps/libpng-7edff94585a71567.rlib" "/opt/rustwide/target/debug/deps/libdeflate-5beb7a12b79b9c36.rlib" "/opt/rustwide/target/debug/deps/libinflate-e7e96d1735617113.rlib" "/opt/rustwide/target/debug/deps/libadler32-0ae4633e0aa2856c.rlib" "/opt/rustwide/target/debug/deps/libbitflags-d4ada631758d8768.rlib" "/opt/rustwide/target/debug/deps/libenum_primitive-9816de414ade5387.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-73e0eaac508d7cf8.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-09cf82c5eeade261.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-ee6374d49f7e17c5.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-9cbf93ab5ccdcea4.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-e7ea0e8b1c677ff3.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-a553b347d1cedcc7.rlib" "/opt/rustwide/target/debug/deps/librscam-a28ee42524295295.rlib" "/opt/rustwide/target/debug/deps/liblibc-d3e2538f62e14c74.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-29e5e596e889a0aa.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-1b145d9fcdc08832.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-5b037ee6b77e2ff0.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9635a64fca0ebd28.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-a7574eb9bb7a8fc5.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-f5fa1dc334dcaeeb.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-6ee570a898e75ef0.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-afb62f29a0815772.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-a632746535fd9988.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-25acc307bcb1d7b6.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-377721a625f6ace7.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-43c01431c8a4ee6f.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-5f74725679453254.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-2b35d8999819161d.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-a81f2980c3f58cf2.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-57b4679830289815.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2a6a2797f7a73818.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-0e3656b1fda5fd7b.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-13b419dfbcf9c1f8.rlib" "-Wl,-Bdynamic" "-lv4l2" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/treadcam-6bcee207fe77a2c3" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lv4l2
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `treadcam` due to 2 previous errors; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "c1387006ec09f169dd7dd52e776f55e43e4f2575b72e57c156c4035104cc0982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1387006ec09f169dd7dd52e776f55e43e4f2575b72e57c156c4035104cc0982", kill_on_drop: false }`
[INFO] [stdout] c1387006ec09f169dd7dd52e776f55e43e4f2575b72e57c156c4035104cc0982