[INFO] cloning repository https://github.com/Libreflip/sans
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Libreflip/sans" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLibreflip%2Fsans", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLibreflip%2Fsans'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 75dd1eaac9a0815976ed14a4d674918d36cb7c53
[INFO] testing Libreflip/sans against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLibreflip%2Fsans" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Libreflip/sans on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Libreflip/sans
[INFO] finished tweaking git repo https://github.com/Libreflip/sans
[INFO] tweaked toml for git repo https://github.com/Libreflip/sans written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Libreflip/sans already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-trait v0.1.29
[INFO] [stderr]   Downloaded serialport v3.2.0
[INFO] [stderr]   Downloaded actix-files v0.2.1
[INFO] [stderr]   Downloaded actix-rt v1.0.0
[INFO] [stderr]   Downloaded IOKit-sys v0.1.5
[INFO] [stderr]   Downloaded redox_syscall v0.1.52
[INFO] [stderr]   Downloaded handlebars v2.0.4
[INFO] [stderr]   Downloaded CoreFoundation-sys v0.1.4
[INFO] [stderr]   Downloaded mach v0.1.2
[INFO] [stderr]   Downloaded rscam v0.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7a9ead866fdb85cbbe9a77d06f8b2f64b5bf4827415a94f496fedcd72a51f9cf
[INFO] running `Command { std: "docker" "start" "-a" "7a9ead866fdb85cbbe9a77d06f8b2f64b5bf4827415a94f496fedcd72a51f9cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a9ead866fdb85cbbe9a77d06f8b2f64b5bf4827415a94f496fedcd72a51f9cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a9ead866fdb85cbbe9a77d06f8b2f64b5bf4827415a94f496fedcd72a51f9cf", kill_on_drop: false }`
[INFO] [stdout] 7a9ead866fdb85cbbe9a77d06f8b2f64b5bf4827415a94f496fedcd72a51f9cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5749ca15130aef16d0fe464628ff1215d0a716ef8d13f058c04bbd82af606537
[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" "5749ca15130aef16d0fe464628ff1215d0a716ef8d13f058c04bbd82af606537", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling arc-swap v0.4.5
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling nix v0.12.0
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling sans-types v0.1.0 (/opt/rustwide/workdir/sans-core/sans-types)
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling lock_api v0.3.3
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling sans-worker v0.1.0 (/opt/rustwide/workdir/sans-worker)
[INFO] [stderr]    Compiling miniz_oxide v0.3.6
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.7.0
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling rscam v0.5.4
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling parking_lot v0.10.0
[INFO] [stderr]    Compiling resolv-conf v0.6.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tokio v0.2.16
[INFO] [stderr]    Compiling serialport v3.2.0
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]    Compiling actix-codec v0.2.0
[INFO] [stderr]    Compiling sansctl v0.1.0 (/opt/rustwide/workdir/sans-ctrl)
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling derive_more v0.99.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling actix-macros v0.1.1
[INFO] [stderr]    Compiling async-trait v0.1.29
[INFO] [stderr]    Compiling enum-as-inner v0.3.2
[INFO] [stderr]    Compiling v_escape_derive v0.5.6
[INFO] [stderr]    Compiling actix-web-codegen v0.2.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling v_escape v0.7.4
[INFO] [stderr]    Compiling v_htmlescape v0.4.5
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling pin-project v0.4.8
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling actix-service v1.0.5
[INFO] [stderr]    Compiling h2 v0.2.4
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling trust-dns-proto v0.18.0-alpha.2
[INFO] [stderr]    Compiling actix-threadpool v0.3.1
[INFO] [stderr]    Compiling actix-rt v1.0.0
[INFO] [stderr]    Compiling actix-utils v1.0.6
[INFO] [stderr]    Compiling actix-server v1.0.2
[INFO] [stderr]    Compiling actix-tls v1.0.0
[INFO] [stderr]    Compiling trust-dns-resolver v0.18.0-alpha.2
[INFO] [stderr]    Compiling actix-testing v1.0.0
[INFO] [stderr]    Compiling actix-connect v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling toml v0.5.0
[INFO] [stderr]    Compiling actix-router v0.2.4
[INFO] [stderr]    Compiling hashbrown v0.5.0
[INFO] [stderr]    Compiling actix-http v1.0.1
[INFO] [stderr]    Compiling sans-core v0.1.0 (/opt/rustwide/workdir/sans-core)
[INFO] [stderr]    Compiling handlebars v2.0.4
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> sans-core/src/hardware/mod.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{self, Write};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> sans-core/src/hardware/mod.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 |     rxtx: Box<SerialPort>,
[INFO] [stdout]    |               ^^^^^^^^^^ help: use `dyn`: `dyn SerialPort`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> sans-core/src/lib.rs:32:67
[INFO] [stdout]    |
[INFO] [stdout] 32 |             hardware: Hardware::new(&*cfg.hw_port, 9200, unsafe { std::mem::uninitialized() })?.0,
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `port`
[INFO] [stdout]   --> sans-core/src/hardware/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     port: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `settings`
[INFO] [stdout]   --> sans-core/src/hardware/mod.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     settings: SerialPortSettings,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cameras`
[INFO] [stdout]   --> sans-core/src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     cameras: Vec<Camera>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hardware`
[INFO] [stdout]   --> sans-core/src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     hardware: Hardware,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> sans-core/src/camera/vl_cam.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         fs::remove_file(&format!("static/img/frame-{}.jpg", self.meta));
[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: 8 warnings emitted
[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/camcal-681322ae6204c5d1.camcal.e967a824-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/camcal-681322ae6204c5d1.camcal.e967a824-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/camcal-681322ae6204c5d1.camcal.e967a824-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/camcal-681322ae6204c5d1.camcal.e967a824-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/camcal-681322ae6204c5d1.camcal.e967a824-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/camcal-681322ae6204c5d1.camcal.e967a824-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/camcal-681322ae6204c5d1.camcal.e967a824-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/camcal-681322ae6204c5d1.camcal.e967a824-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/camcal-681322ae6204c5d1.4gmp1sfdaoevb04h.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/lib/x86_64-linux-gnu" "-L" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libsans_core-4f6d1ddc6df26e6f.rlib" "/opt/rustwide/target/debug/deps/libserialport-6cdfa0396ab25616.rlib" "/opt/rustwide/target/debug/deps/libnix-5207e2cb2ccb3770.rlib" "/opt/rustwide/target/debug/deps/libvoid-5636004af8853cbe.rlib" "/opt/rustwide/target/debug/deps/libbitflags-603a79344a96ee73.rlib" "/opt/rustwide/target/debug/deps/liblibudev-666cf1515b971ebf.rlib" "/opt/rustwide/target/debug/deps/liblibudev_sys-82bfd0cb1eca5781.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-de9cbe0cb77e19a3.rlib" "/opt/rustwide/target/debug/deps/libtoml-2d091284657204b2.rlib" "/opt/rustwide/target/debug/deps/libserde-71de6b9f9e29447b.rlib" "/opt/rustwide/target/debug/deps/librscam-c893b6dccbf1906b.rlib" "/opt/rustwide/target/debug/deps/liblibc-e32d6ec6fd1e2db5.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-37fdd654777c296f.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-d883bf2137e9181a.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-22ab8f3db88b586e.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-0167c9242d0931d5.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-361790a1a5505fc5.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-01c2ffe1ecd05a67.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-ec79e29a889fe805.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-001a3456e8a8331b.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-e8f1404290f0f040.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-76f46d0f23360a60.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-baf0bdc5eb131895.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-3a6a4ee6592d9370.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-1cc90d9dd57195f8.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-0e91863ffbec5148.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-69528f2eac185ac9.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-52d5241975807511.rlib" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9924c22ae1efcf66.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-d1241f7bd234a268.rlib" "-Wl,-Bdynamic" "-ludev" "-lv4l2" "-lutil" "-ldl" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/ecabaf78506b7a4668d42dc20268c086b93f0fad/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/camcal-681322ae6204c5d1" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sans-core`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5749ca15130aef16d0fe464628ff1215d0a716ef8d13f058c04bbd82af606537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5749ca15130aef16d0fe464628ff1215d0a716ef8d13f058c04bbd82af606537", kill_on_drop: false }`
[INFO] [stdout] 5749ca15130aef16d0fe464628ff1215d0a716ef8d13f058c04bbd82af606537