[INFO] updating cached repository mgsloan/treadcam [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/mgsloan/treadcam [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/mgsloan/treadcam" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/mgsloan/treadcam"` [INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/mgsloan/treadcam'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/mgsloan/treadcam" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/mgsloan/treadcam"` [INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/mgsloan/treadcam'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] a7394173dbc9e81874d897e2e382f0ea38784b20 [INFO] sha for GitHub repo mgsloan/treadcam: a7394173dbc9e81874d897e2e382f0ea38784b20 [INFO] validating manifest of mgsloan/treadcam on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of mgsloan/treadcam on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing mgsloan/treadcam [INFO] finished frobbing mgsloan/treadcam [INFO] frobbed toml for mgsloan/treadcam written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/mgsloan/treadcam/Cargo.toml [INFO] started frobbing mgsloan/treadcam [INFO] finished frobbing mgsloan/treadcam [INFO] frobbed toml for mgsloan/treadcam written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/mgsloan/treadcam/Cargo.toml [INFO] crate mgsloan/treadcam has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing mgsloan/treadcam against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/mgsloan/treadcam:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"` [INFO] [stdout] 4358d268911110997321120734d6916194c5a16aea372de9bc6cdc5679ec5e18 [INFO] running `"docker" "start" "-a" "4358d268911110997321120734d6916194c5a16aea372de9bc6cdc5679ec5e18"` [INFO] [stderr] Compiling goertzel v0.2.0 [INFO] [stderr] Compiling rscam v0.5.4 [INFO] [stderr] Compiling num-complex v0.1.43 [INFO] [stderr] Compiling serde_json v1.0.20 [INFO] [stderr] Compiling enum_primitive v0.1.1 [INFO] [stderr] Compiling png v0.11.0 [INFO] [stderr] Compiling jpeg-decoder v0.1.15 [INFO] [stderr] Compiling rustfft v2.0.0 [INFO] [stderr] Compiling image v0.17.0 [INFO] [stderr] Compiling treadcam v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `rustfft::FFTplanner` [INFO] [stderr] --> src/main.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | use rustfft::FFTplanner; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `rustfft::num_complex::Complex` [INFO] [stderr] --> src/main.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | use rustfft::num_complex::Complex; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/main.rs:161:13 [INFO] [stderr] | [INFO] [stderr] 161 | for x in 0..(img.width() - 1) { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_x` [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/main.rs:32:9 [INFO] [stderr] | [INFO] [stderr] 32 | let mut input_bytes = fs::read("data/walking/out.json").unwrap(); [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: function is never used: `old_main` [INFO] [stderr] --> src/main.rs:81:1 [INFO] [stderr] | [INFO] [stderr] 81 | fn old_main() { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:178:5 [INFO] [stderr] | [INFO] [stderr] 178 | out_img.save("out.jpg"); [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/main.rs:181:5 [INFO] [stderr] | [INFO] [stderr] 181 | file.write_all(serde_json::to_string(&data).unwrap().as_bytes()); [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/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/treadcam-cac8338ed83b9126.treadcam.7q1cy5nd-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/treadcam-cac8338ed83b9126.treadcam.7q1cy5nd-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/treadcam-cac8338ed83b9126.treadcam.7q1cy5nd-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/treadcam-cac8338ed83b9126.treadcam.7q1cy5nd-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/treadcam-cac8338ed83b9126.treadcam.7q1cy5nd-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/treadcam-cac8338ed83b9126.treadcam.7q1cy5nd-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/treadcam-cac8338ed83b9126.treadcam.7q1cy5nd-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/treadcam-cac8338ed83b9126.treadcam.7q1cy5nd-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/treadcam-cac8338ed83b9126.treadcam.7q1cy5nd-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/treadcam-cac8338ed83b9126.treadcam.7q1cy5nd-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/treadcam-cac8338ed83b9126.treadcam.7q1cy5nd-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/treadcam-cac8338ed83b9126.treadcam.7q1cy5nd-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/treadcam-cac8338ed83b9126.treadcam.7q1cy5nd-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/treadcam-cac8338ed83b9126.treadcam.7q1cy5nd-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/treadcam-cac8338ed83b9126.treadcam.7q1cy5nd-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/treadcam-cac8338ed83b9126.treadcam.7q1cy5nd-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/treadcam-cac8338ed83b9126" "/opt/crater/target/debug/deps/treadcam-cac8338ed83b9126.3el6kxehojf741cn.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libgoertzel-714b625b1e091bf4.rlib" "/opt/crater/target/debug/deps/librustfft-b3d7d2878fc15960.rlib" "/opt/crater/target/debug/deps/libnum_complex-3d33881230625dc0.rlib" "/opt/crater/target/debug/deps/librustc_serialize-9039b0e92acf6250.rlib" "/opt/crater/target/debug/deps/libserde_json-f8d69e55cf3bec83.rlib" "/opt/crater/target/debug/deps/libitoa-d6896e560cba9ff4.rlib" "/opt/crater/target/debug/deps/libdtoa-fa71679a85955c9a.rlib" "/opt/crater/target/debug/deps/libserde-8e4a3e8f5d391852.rlib" "/opt/crater/target/debug/deps/libimage-4e207c7b26b200c1.rlib" "/opt/crater/target/debug/deps/libscoped_threadpool-48b461b79ef12b9f.rlib" "/opt/crater/target/debug/deps/libgif-71b96d6683335f8d.rlib" "/opt/crater/target/debug/deps/libcolor_quant-64984adc6a01584d.rlib" "/opt/crater/target/debug/deps/liblzw-0d6bccb65185d2a5.rlib" "/opt/crater/target/debug/deps/libjpeg_decoder-ea990cd9186f3c44.rlib" "/opt/crater/target/debug/deps/librayon-3dbace72b98955a2.rlib" "/opt/crater/target/debug/deps/libeither-182af599973bbf61.rlib" "/opt/crater/target/debug/deps/librayon_core-8ecc5584edcf79df.rlib" "/opt/crater/target/debug/deps/librand-e98f917f2b8ebed6.rlib" "/opt/crater/target/debug/deps/libnum_cpus-a4a4545c7043de08.rlib" "/opt/crater/target/debug/deps/libcrossbeam_deque-46ab49eb8fdd4c11.rlib" "/opt/crater/target/debug/deps/libcrossbeam_epoch-751657ce218f970b.rlib" "/opt/crater/target/debug/deps/libscopeguard-dec50d9fc502af42.rlib" "/opt/crater/target/debug/deps/libmemoffset-6d13d2975e0c175a.rlib" "/opt/crater/target/debug/deps/liblazy_static-4bc7dc1d3adfcbc6.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-67d480bfdeb9f8dd.rlib" "/opt/crater/target/debug/deps/libcfg_if-b1bbc35614877cf5.rlib" "/opt/crater/target/debug/deps/libarrayvec-681706759fc7a336.rlib" "/opt/crater/target/debug/deps/libnodrop-5810b921f2778a74.rlib" "/opt/crater/target/debug/deps/libpng-da79b3d456ce3b5e.rlib" "/opt/crater/target/debug/deps/libdeflate-ca78c5380c012a1b.rlib" "/opt/crater/target/debug/deps/libinflate-775ba68c0eae3295.rlib" "/opt/crater/target/debug/deps/libadler32-390be5eeb2d0f83f.rlib" "/opt/crater/target/debug/deps/libbitflags-6a0db367e3247e0a.rlib" "/opt/crater/target/debug/deps/libenum_primitive-85d407cd80bd7b15.rlib" "/opt/crater/target/debug/deps/libnum_traits-c891e53ddf944226.rlib" "/opt/crater/target/debug/deps/libnum_rational-3ce6c21a4bb705e8.rlib" "/opt/crater/target/debug/deps/libnum_iter-7923619624c2813a.rlib" "/opt/crater/target/debug/deps/libnum_integer-3d1690eff5a38e25.rlib" "/opt/crater/target/debug/deps/libnum_traits-bd74b8076fcd87b9.rlib" "/opt/crater/target/debug/deps/libbyteorder-4bf9e4cbd2ebab07.rlib" "/opt/crater/target/debug/deps/librscam-76583684630318a5.rlib" "/opt/crater/target/debug/deps/liblibc-fe1b65f6bcceb223.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-8469d768695d9748.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-786c0f406992159b.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-eda54ffd3e6402cc.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-3b59adbc83c396a4.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-1d2bb09f4dcbd4be.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-e96acda46b77a2fd.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-596074f575b1f832.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-57f280c1596673cd.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-16132b5b2ecf9ec1.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-37286a0a9c4289ff.rlib" "-Wl,-Bdynamic" "-lv4l2" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" [INFO] [stderr] = note: /usr/bin/ld: cannot find -lv4l2 [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 `treadcam`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "4358d268911110997321120734d6916194c5a16aea372de9bc6cdc5679ec5e18"` [INFO] running `"docker" "rm" "-f" "4358d268911110997321120734d6916194c5a16aea372de9bc6cdc5679ec5e18"` [INFO] [stdout] 4358d268911110997321120734d6916194c5a16aea372de9bc6cdc5679ec5e18