[INFO] updating cached repository https://github.com/42f87d89/Guitar-String
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5bdd150db7df907dcdce44e5fe9558de72ebf94f
[INFO] testing 42f87d89/Guitar-String against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2F42f87d89%2FGuitar-String" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/42f87d89/Guitar-String on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/42f87d89/Guitar-String
[INFO] finished tweaking git repo https://github.com/42f87d89/Guitar-String
[INFO] tweaked toml for git repo https://github.com/42f87d89/Guitar-String written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/42f87d89/Guitar-String already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 321055c89125868ef65c0b9981051b73ad9946381ee9fbce398a8a9ecc7fd0c8
[INFO] running `"docker" "start" "-a" "321055c89125868ef65c0b9981051b73ad9946381ee9fbce398a8a9ecc7fd0c8"`
[INFO] [stderr]    Compiling sdl v0.3.6
[INFO] [stderr]    Compiling chord_sim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]    --> src/main.rs:199:9
[INFO] [stderr]     |
[INFO] [stderr] 199 |         thread::sleep_ms(1);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `size`
[INFO] [stderr]   --> src/main.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn size(&self) -> f64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_sine`
[INFO] [stderr]   --> src/main.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn new_sine(n: u16, k: f64) -> Chord {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/chord_sim-ebbc344f97b94379.chord_sim.mq22nliz-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-ebbc344f97b94379.chord_sim.mq22nliz-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-ebbc344f97b94379.chord_sim.mq22nliz-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-ebbc344f97b94379.chord_sim.mq22nliz-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-ebbc344f97b94379.chord_sim.mq22nliz-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-ebbc344f97b94379.chord_sim.mq22nliz-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-ebbc344f97b94379.chord_sim.mq22nliz-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-ebbc344f97b94379.chord_sim.mq22nliz-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-ebbc344f97b94379.chord_sim.mq22nliz-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-ebbc344f97b94379.chord_sim.mq22nliz-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-ebbc344f97b94379.chord_sim.mq22nliz-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-ebbc344f97b94379.chord_sim.mq22nliz-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-ebbc344f97b94379.chord_sim.mq22nliz-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-ebbc344f97b94379.chord_sim.mq22nliz-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-ebbc344f97b94379.chord_sim.mq22nliz-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-ebbc344f97b94379.chord_sim.mq22nliz-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/chord_sim-ebbc344f97b94379" "/opt/rustwide/target/debug/deps/chord_sim-ebbc344f97b94379.1t5qizwp3ao7p5ix.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libsdl-db237eb5d06a4c4a.rlib" "/opt/rustwide/target/debug/deps/libnum-604c95a62156fbeb.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-e7322b522195d68f.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-6f7bf7f2092139b2.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-ca46ed16bebb5cc2.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-739c46110ebaee65.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-c810663dab3e9f7e.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-2dd52f0ea276c9ff.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-a49361b936b25068.rlib" "/opt/rustwide/target/debug/deps/librand-25aea7435ca545a1.rlib" "/opt/rustwide/target/debug/deps/librand-a866ea5e4ea209cb.rlib" "/opt/rustwide/target/debug/deps/liblibc-9f7a5de25bd5699b.rlib" "/opt/rustwide/target/debug/deps/liblibc-d891ae26767b19ff.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-db812c66f862af4c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e7871a21575d5ff7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-2f2c581bc0d759e6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-35731cabc05dc8a0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-36477394541292db.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-8b706b170c1272d8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-801dbb3043ccf581.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-a32aa66ce6f72b21.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d00ea3bfb2bb6c00.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d2c6ebe88c3e113c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-df74f62f6bb60621.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2170473575daeedb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-1a08089bbddc4f51.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-f8f562e5472ad5c3.rlib" "-Wl,-Bdynamic" "-lSDL" "-lutil" "-lutil" "-lc" "-lm" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lSDL
[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 `chord_sim`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "321055c89125868ef65c0b9981051b73ad9946381ee9fbce398a8a9ecc7fd0c8"`
[INFO] running `"docker" "rm" "-f" "321055c89125868ef65c0b9981051b73ad9946381ee9fbce398a8a9ecc7fd0c8"`
[INFO] [stdout] 321055c89125868ef65c0b9981051b73ad9946381ee9fbce398a8a9ecc7fd0c8