[INFO] updating cached repository https://github.com/42f87d89/Guitar-String
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F42f87d89%2FGuitar-String" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/42f87d89/Guitar-String on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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 /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/42f87d89/Guitar-String already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-8/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e79eb7fafda7a223edad954580d14f982ffcfb53f38c7bec2c32463a14c5f194
[INFO] running `"docker" "start" "-a" "e79eb7fafda7a223edad954580d14f982ffcfb53f38c7bec2c32463a14c5f194"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.1.12
[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/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/chord_sim-1502efdd75f71df5.chord_sim.e6070aa9-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-1502efdd75f71df5.chord_sim.e6070aa9-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-1502efdd75f71df5.chord_sim.e6070aa9-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-1502efdd75f71df5.chord_sim.e6070aa9-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-1502efdd75f71df5.chord_sim.e6070aa9-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-1502efdd75f71df5.chord_sim.e6070aa9-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-1502efdd75f71df5.chord_sim.e6070aa9-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-1502efdd75f71df5.chord_sim.e6070aa9-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-1502efdd75f71df5.chord_sim.e6070aa9-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-1502efdd75f71df5.chord_sim.e6070aa9-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-1502efdd75f71df5.chord_sim.e6070aa9-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-1502efdd75f71df5.chord_sim.e6070aa9-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-1502efdd75f71df5.chord_sim.e6070aa9-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-1502efdd75f71df5.chord_sim.e6070aa9-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-1502efdd75f71df5.chord_sim.e6070aa9-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-1502efdd75f71df5.chord_sim.e6070aa9-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/chord_sim-1502efdd75f71df5" "/opt/rustwide/target/debug/deps/chord_sim-1502efdd75f71df5.3ns6pi0a202oftg7.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libsdl-0327c2d0a6fb5585.rlib" "/opt/rustwide/target/debug/deps/libnum-9a49abb5dc704d82.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-d5f3174cc8dea53d.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-c5436fe0f5c21211.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-26062967b4ad0b72.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-93a3205e411ff51e.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-b9e9804583109253.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-83e1cc8b78a53297.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-ddc6fba6583d3d3e.rlib" "/opt/rustwide/target/debug/deps/librand-22efe9ef3c114fa7.rlib" "/opt/rustwide/target/debug/deps/librand-bb807c742746e684.rlib" "/opt/rustwide/target/debug/deps/liblibc-e4dfce483ea4fe1d.rlib" "/opt/rustwide/target/debug/deps/liblibc-789e836d4fd44939.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-205127404fcba336.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-a657948fb7763780.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-4af901391177f653.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-9bdd51edf637d1e0.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-df9a9630b2ea2e1e.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-fddbfe63d5cc9339.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-dc1fcc6e43806791.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-e2f4bff19e00107e.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-a152d13c1d7ed405.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d92b841792fc008d.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a64c249515c023f5.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-57654524b3e40c00.rlib" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-72180f1527a726a2.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.44.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-990cc8f4a91a3ab4.rlib" "-Wl,-Bdynamic" "-lSDL" "-lutil" "-ldl" "-lutil" "-lc" "-lm" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-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; 3 warnings emitted
[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" "e79eb7fafda7a223edad954580d14f982ffcfb53f38c7bec2c32463a14c5f194"`
[INFO] running `"docker" "rm" "-f" "e79eb7fafda7a223edad954580d14f982ffcfb53f38c7bec2c32463a14c5f194"`
[INFO] [stdout] e79eb7fafda7a223edad954580d14f982ffcfb53f38c7bec2c32463a14c5f194