[INFO] cloning repository https://github.com/kasbah/looper [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kasbah/looper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkasbah%2Flooper", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkasbah%2Flooper'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a10931cef6ed86e1cec237eebe8645385f2a9d42 [INFO] testing kasbah/looper against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkasbah%2Flooper" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kasbah/looper on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kasbah/looper [INFO] finished tweaking git repo https://github.com/kasbah/looper [INFO] tweaked toml for git repo https://github.com/kasbah/looper written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/kasbah/looper already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/RustAudio/rust-jack.git` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded jack-sys v0.1.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 64bbfb43191b2bbbf1e1ffdf0d71eb0d977bc534d108ce07d35b178d3ecddf9f [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" "64bbfb43191b2bbbf1e1ffdf0d71eb0d977bc534d108ce07d35b178d3ecddf9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "64bbfb43191b2bbbf1e1ffdf0d71eb0d977bc534d108ce07d35b178d3ecddf9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64bbfb43191b2bbbf1e1ffdf0d71eb0d977bc534d108ce07d35b178d3ecddf9f", kill_on_drop: false }` [INFO] [stdout] 64bbfb43191b2bbbf1e1ffdf0d71eb0d977bc534d108ce07d35b178d3ecddf9f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8928723db558fe6b889b21e4dcb057a458bfa0db784bdee68ca5320fadd870aa [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" "8928723db558fe6b889b21e4dcb057a458bfa0db784bdee68ca5320fadd870aa", kill_on_drop: false }` [INFO] [stderr] Compiling jack-sys v0.1.4 [INFO] [stderr] Compiling jack v0.5.0 (https://github.com/RustAudio/rust-jack.git#c352502e) [INFO] [stderr] Compiling looper v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/main.rs:4:21 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{self, Read}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Playing` [INFO] [stdout] --> src/looper.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | Playing, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Recording` [INFO] [stdout] --> src/looper.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | Recording, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:75:17 [INFO] [stdout] | [INFO] [stdout] 75 | tx.send(Messages::SetThru(1.0)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:79:17 [INFO] [stdout] | [INFO] [stdout] 79 | tx.send(Messages::SetThru(0.0)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [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-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/looper-bf242a43fe346a04.looper.1q3tjj5u-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/looper-bf242a43fe346a04.looper.1q3tjj5u-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/looper-bf242a43fe346a04.looper.1q3tjj5u-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/looper-bf242a43fe346a04.looper.1q3tjj5u-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/looper-bf242a43fe346a04.looper.1q3tjj5u-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/looper-bf242a43fe346a04.looper.1q3tjj5u-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/looper-bf242a43fe346a04.looper.1q3tjj5u-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/looper-bf242a43fe346a04.looper.1q3tjj5u-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/looper-bf242a43fe346a04.looper.1q3tjj5u-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/looper-bf242a43fe346a04.looper.1q3tjj5u-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/looper-bf242a43fe346a04.looper.1q3tjj5u-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/looper-bf242a43fe346a04.looper.1q3tjj5u-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/looper-bf242a43fe346a04.looper.1q3tjj5u-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/looper-bf242a43fe346a04.looper.1q3tjj5u-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/looper-bf242a43fe346a04.looper.1q3tjj5u-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/looper-bf242a43fe346a04.looper.1q3tjj5u-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/looper-bf242a43fe346a04" "/opt/rustwide/target/debug/deps/looper-bf242a43fe346a04.7ruc6ijbicm1afq.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libjack-0e3da34f1a1f9fa0.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-280e248ee9239f3d.rlib" "/opt/rustwide/target/debug/deps/libjack_sys-22f9cc3f043b1862.rlib" "/opt/rustwide/target/debug/deps/liblibc-1f430713b58d2a6b.rlib" "/opt/rustwide/target/debug/deps/libbitflags-7b15d77b989f677d.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d66e0ceb8eaec9b8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-9717ec0599b569a0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-04369de9ba916647.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-997d622c2e4dbe5c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-0359c4288a5ef89f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-1b25ede22d698ab3.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-37940b486a68e488.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-06b77c27e794c7c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-4d07e02a8df36da1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-fb29e0695c0a0f79.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e16188b4cf97e8bb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-5eb391c8dabdee77.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-b0689b528b222bee.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ed072ac495e62e7a.rlib" "-Wl,-Bdynamic" "-ljack" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil" [INFO] [stdout] = note: /usr/bin/ld: cannot find -ljack [INFO] [stdout] collect2: error: ld returned 1 exit status [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `looper`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "8928723db558fe6b889b21e4dcb057a458bfa0db784bdee68ca5320fadd870aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8928723db558fe6b889b21e4dcb057a458bfa0db784bdee68ca5320fadd870aa", kill_on_drop: false }` [INFO] [stdout] 8928723db558fe6b889b21e4dcb057a458bfa0db784bdee68ca5320fadd870aa