[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5bdd150db7df907dcdce44e5fe9558de72ebf94f
[INFO] testing 42f87d89/Guitar-String against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F42f87d89%2FGuitar-String" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  92% (48/52)   
Checking out files:  94% (49/52)   
Checking out files:  96% (50/52)   
Checking out files:  98% (51/52)   
Checking out files: 100% (52/52)   
Checking out files: 100% (52/52), done.
[INFO] validating manifest of git repo https://github.com/42f87d89/Guitar-String on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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-6/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-6/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[INFO] the lockfile is outdated, regenerating it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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33aa3670dde78f171561b7f49481b85e52ce02663b22b4c3fbcaa31293089c8d
[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" "33aa3670dde78f171561b7f49481b85e52ce02663b22b4c3fbcaa31293089c8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33aa3670dde78f171561b7f49481b85e52ce02663b22b4c3fbcaa31293089c8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33aa3670dde78f171561b7f49481b85e52ce02663b22b4c3fbcaa31293089c8d", kill_on_drop: false }`
[INFO] [stdout] 33aa3670dde78f171561b7f49481b85e52ce02663b22b4c3fbcaa31293089c8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a217c5fa5247ebe477e05a610172722581e2e290df77558ca6afed4ea2e3750d
[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" "a217c5fa5247ebe477e05a610172722581e2e290df77558ca6afed4ea2e3750d", kill_on_drop: false }`
[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-complex v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.1.44
[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 item '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/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/chord_sim-f6f0bd0ba82e1295.chord_sim.e2lielhz-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-f6f0bd0ba82e1295.chord_sim.e2lielhz-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-f6f0bd0ba82e1295.chord_sim.e2lielhz-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-f6f0bd0ba82e1295.chord_sim.e2lielhz-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-f6f0bd0ba82e1295.chord_sim.e2lielhz-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-f6f0bd0ba82e1295.chord_sim.e2lielhz-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-f6f0bd0ba82e1295.chord_sim.e2lielhz-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-f6f0bd0ba82e1295.chord_sim.e2lielhz-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-f6f0bd0ba82e1295.chord_sim.e2lielhz-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-f6f0bd0ba82e1295.chord_sim.e2lielhz-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-f6f0bd0ba82e1295.chord_sim.e2lielhz-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-f6f0bd0ba82e1295.chord_sim.e2lielhz-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-f6f0bd0ba82e1295.chord_sim.e2lielhz-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-f6f0bd0ba82e1295.chord_sim.e2lielhz-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-f6f0bd0ba82e1295.chord_sim.e2lielhz-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/chord_sim-f6f0bd0ba82e1295.chord_sim.e2lielhz-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/chord_sim-f6f0bd0ba82e1295" "/opt/rustwide/target/debug/deps/chord_sim-f6f0bd0ba82e1295.13dafh33oxw71eci.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libsdl-5e998443ec275e96.rlib" "/opt/rustwide/target/debug/deps/libnum-1b7f5664df19e39a.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-3b0ada203a6dc861.rlib" "/opt/rustwide/target/debug/deps/libnum_bigint-50167ae8452b1f52.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-95b3daa9cd0436a9.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-d833c3470fa60f44.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-6cc2bae55fe479a2.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-c0aa1ac2f0769395.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-2de2b3e19ad17644.rlib" "/opt/rustwide/target/debug/deps/librand-ca675ff550642e1c.rlib" "/opt/rustwide/target/debug/deps/librand-c5727a6373d97595.rlib" "/opt/rustwide/target/debug/deps/liblibc-e834449672905d13.rlib" "/opt/rustwide/target/debug/deps/liblibc-47ab320c1120969d.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-5989bcf78182f65e.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-4d6da34bc177af8d.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-10e0d6c948699482.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-c2318e2415657781.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-3815b93ed84badbb.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-d7999143d95238cb.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-c58298a0d40df8b8.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-b7de97e2ba6fb4e2.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-6f71c9f654d72cce.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-95ea48ddc44a311b.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-7402cd4761aebc14.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-68f423c59dc48a40.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-54580c7798bf2225.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-95a4d456339b7385.rlib" "-Wl,-Bdynamic" "-lSDL" "-lutil" "-ldl" "-lutil" "-lc" "-lm" "-ldl" "-lrt" "-lpthread" "-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" "a217c5fa5247ebe477e05a610172722581e2e290df77558ca6afed4ea2e3750d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a217c5fa5247ebe477e05a610172722581e2e290df77558ca6afed4ea2e3750d", kill_on_drop: false }`
[INFO] [stdout] a217c5fa5247ebe477e05a610172722581e2e290df77558ca6afed4ea2e3750d