[INFO] cloning repository https://github.com/42f87d89/Guitar-String
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/42f87d89/Guitar-String" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F42f87d89%2FGuitar-String", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F42f87d89%2FGuitar-String'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5bdd150db7df907dcdce44e5fe9558de72ebf94f
[INFO] testing 42f87d89/Guitar-String against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F42f87d89%2FGuitar-String" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/42f87d89/Guitar-String on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-2/source/Cargo.toml
[INFO] crate git repo https://github.com/42f87d89/Guitar-String already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-2/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[INFO] the lockfile is outdated, regenerating it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 `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sdl v0.3.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] 47991786829b982e0cb872949103f505ec1c4b8e095b82de9152a61c4d9ee31f
[INFO] running `Command { std: "docker" "start" "-a" "47991786829b982e0cb872949103f505ec1c4b8e095b82de9152a61c4d9ee31f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47991786829b982e0cb872949103f505ec1c4b8e095b82de9152a61c4d9ee31f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47991786829b982e0cb872949103f505ec1c4b8e095b82de9152a61c4d9ee31f", kill_on_drop: false }`
[INFO] [stdout] 47991786829b982e0cb872949103f505ec1c4b8e095b82de9152a61c4d9ee31f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a478ef7e5be7946034bb35e7347df06a4148edd2e1912aa13453c167d071872
[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" "7a478ef7e5be7946034bb35e7347df06a4148edd2e1912aa13453c167d071872", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling libc v0.1.12
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling sdl v0.3.6
[INFO] [stderr]    Compiling chord_sim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::thread::sleep_ms`: replaced by `std::thread::sleep`
[INFO] [stdout]    --> src/main.rs:199:9
[INFO] [stdout]     |
[INFO] [stdout] 199 |         thread::sleep_ms(1);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `size`
[INFO] [stdout]   --> src/main.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn size(&self) -> f64 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_sine`
[INFO] [stdout]   --> src/main.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn new_sine(n: u16, k: f64) -> Chord {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/chord_sim-c31152cf3d3770ba.chord_sim.ce2vcwmf-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-c31152cf3d3770ba.chord_sim.ce2vcwmf-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-c31152cf3d3770ba.chord_sim.ce2vcwmf-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-c31152cf3d3770ba.chord_sim.ce2vcwmf-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-c31152cf3d3770ba.chord_sim.ce2vcwmf-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-c31152cf3d3770ba.chord_sim.ce2vcwmf-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-c31152cf3d3770ba.chord_sim.ce2vcwmf-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-c31152cf3d3770ba.chord_sim.ce2vcwmf-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-c31152cf3d3770ba.chord_sim.ce2vcwmf-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-c31152cf3d3770ba.chord_sim.ce2vcwmf-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-c31152cf3d3770ba.chord_sim.ce2vcwmf-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-c31152cf3d3770ba.chord_sim.ce2vcwmf-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-c31152cf3d3770ba.chord_sim.ce2vcwmf-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-c31152cf3d3770ba.chord_sim.ce2vcwmf-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-c31152cf3d3770ba.chord_sim.ce2vcwmf-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-c31152cf3d3770ba.chord_sim.ce2vcwmf-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/chord_sim-c31152cf3d3770ba" "/opt/rustwide/target/debug/deps/chord_sim-c31152cf3d3770ba.3u1imvcaafksjw5k.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libsdl-dc598ec68fbcec4d.rlib" "/opt/rustwide/target/debug/deps/libnum-7a34f73f5a3dc4a3.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-83da580a4bd060db.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-23a4c61d57ead776.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-deda51b05bd9b3ed.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-826df4b40c62d022.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-9db107b0c9a0cc9d.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-d4a4d703d73e45ec.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-2ea07b0bbd9f52bb.rlib" "/opt/rustwide/target/debug/deps/librand-49befb53bdb3c37b.rlib" "/opt/rustwide/target/debug/deps/librand-e6844aa7e2432b41.rlib" "/opt/rustwide/target/debug/deps/liblibc-e52aab25f5d90c7e.rlib" "/opt/rustwide/target/debug/deps/liblibc-b12aa4b2e54b1db5.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-3532beb752f910d7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-3529ece450b7f3c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-23e8f582a6744f80.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-5e7e0793b29cbf78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-253e0736424ceb78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-b6fd484888124c85.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-cca4d20e4b53839c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0a7401891c2a4f50.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-efbb25e073df787e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-25965457612624bc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-09058283ea779342.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-ab973dacc0513511.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b437d6640b1f764b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-8cc0b2380206399c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-727cdf2b6a468113.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cf4d442d877ea2f4.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-7e5b6df427ca977c.rlib" "-Wl,-Bdynamic" "-lSDL" "-lc" "-lm" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lSDL
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chord_sim`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "7a478ef7e5be7946034bb35e7347df06a4148edd2e1912aa13453c167d071872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a478ef7e5be7946034bb35e7347df06a4148edd2e1912aa13453c167d071872", kill_on_drop: false }`
[INFO] [stdout] 7a478ef7e5be7946034bb35e7347df06a4148edd2e1912aa13453c167d071872
