[INFO] cloning repository https://github.com/antonxy/violin_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/antonxy/violin_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantonxy%2Fviolin_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantonxy%2Fviolin_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1815b63734c6b1576f8f9ff3a25efd95d3c831ed [INFO] testing antonxy/violin_rust against beta-2021-01-01 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantonxy%2Fviolin_rust" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/antonxy/violin_rust on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/antonxy/violin_rust [INFO] finished tweaking git repo https://github.com/antonxy/violin_rust [INFO] tweaked toml for git repo https://github.com/antonxy/violin_rust written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/antonxy/violin_rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded jack-sys v0.2.0 [INFO] [stderr] Downloaded jack v0.6.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 84bf20089e53f09d74d7a2ae667b9059bb2ee8057e29258d8831e2d16ba2f198 [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" "84bf20089e53f09d74d7a2ae667b9059bb2ee8057e29258d8831e2d16ba2f198", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "84bf20089e53f09d74d7a2ae667b9059bb2ee8057e29258d8831e2d16ba2f198", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84bf20089e53f09d74d7a2ae667b9059bb2ee8057e29258d8831e2d16ba2f198", kill_on_drop: false }` [INFO] [stdout] 84bf20089e53f09d74d7a2ae667b9059bb2ee8057e29258d8831e2d16ba2f198 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 70c9c604938c30548c92e8e96dbab0ff266a33626bd497f5f6178f2d8c8c10c4 [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" "70c9c604938c30548c92e8e96dbab0ff266a33626bd497f5f6178f2d8c8c10c4", kill_on_drop: false }` [INFO] [stderr] Compiling libloading v0.4.3 [INFO] [stderr] Compiling ioctl-rs v0.1.6 [INFO] [stderr] Compiling serial-core v0.4.0 [INFO] [stderr] Compiling termios v0.2.2 [INFO] [stderr] Compiling crossbeam-channel v0.4.0 [INFO] [stderr] Compiling serial-unix v0.4.0 [INFO] [stderr] Compiling serial v0.4.0 [INFO] [stderr] Compiling jack-sys v0.2.0 [INFO] [stderr] Compiling jack v0.6.2 [INFO] [stderr] Compiling jack_violin v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::io; [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-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/jack_violin-2d1630e4c6e7ef6f.jack_violin.ax9i6a9b-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/jack_violin-2d1630e4c6e7ef6f.jack_violin.ax9i6a9b-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/jack_violin-2d1630e4c6e7ef6f.jack_violin.ax9i6a9b-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/jack_violin-2d1630e4c6e7ef6f.jack_violin.ax9i6a9b-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/jack_violin-2d1630e4c6e7ef6f.jack_violin.ax9i6a9b-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/jack_violin-2d1630e4c6e7ef6f.jack_violin.ax9i6a9b-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/jack_violin-2d1630e4c6e7ef6f.jack_violin.ax9i6a9b-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/jack_violin-2d1630e4c6e7ef6f.jack_violin.ax9i6a9b-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/jack_violin-2d1630e4c6e7ef6f.jack_violin.ax9i6a9b-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/jack_violin-2d1630e4c6e7ef6f.jack_violin.ax9i6a9b-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/jack_violin-2d1630e4c6e7ef6f.jack_violin.ax9i6a9b-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/jack_violin-2d1630e4c6e7ef6f.jack_violin.ax9i6a9b-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/jack_violin-2d1630e4c6e7ef6f.jack_violin.ax9i6a9b-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/jack_violin-2d1630e4c6e7ef6f.jack_violin.ax9i6a9b-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/jack_violin-2d1630e4c6e7ef6f.jack_violin.ax9i6a9b-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/jack_violin-2d1630e4c6e7ef6f.jack_violin.ax9i6a9b-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/jack_violin-2d1630e4c6e7ef6f" "/opt/rustwide/target/debug/deps/jack_violin-2d1630e4c6e7ef6f.51nt19raqilcxvqi.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libserial-b65a099fcf89055a.rlib" "/opt/rustwide/target/debug/deps/libserial_unix-95e1cfb56aa94fff.rlib" "/opt/rustwide/target/debug/deps/libioctl_rs-f1308c6a98c65cfc.rlib" "/opt/rustwide/target/debug/deps/libtermios-a7c3b772bb486249.rlib" "/opt/rustwide/target/debug/deps/libserial_core-672c38c8d36f7afd.rlib" "/opt/rustwide/target/debug/deps/libjack-a2e4c1aef1f61f8e.rlib" "/opt/rustwide/target/debug/deps/libjack_sys-8d290ad62a7eaef8.rlib" "/opt/rustwide/target/debug/deps/liblibloading-92d6450905cdc2dd.rlib" "/opt/rustwide/target/debug/deps/liblibc-0bfe2d51e9fc3209.rlib" "/opt/rustwide/target/debug/deps/libbitflags-8a5476fab5bb3232.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_channel-d1c6b1bb125484d2.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-1750189aff8cfe43.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-b2d06f7d60fcbb27.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-3bb9a546b52233f2.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-7444fd17919e9af0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-0ee2f67026959ab7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-df1bcd1e82256d04.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-ed9ecf1b54021131.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-0ede66bb24e94b96.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-7c2de7f50940865c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-b138d50085fd4683.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-6576870d8f2b9ae2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-042a30c5f67b2c91.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7b3f33d3dbe385dc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-90b3063cd7b22527.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-17f9484f8dc4da1e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-df38345acd9d92e1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a5e10ca10bdd9e54.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9e5b4162eeef2cef.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-3a4e739a77468800.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-0f3a0c116d5e04d6.rlib" "-Wl,-Bdynamic" "-lc" "-ljack" "-ldl" "-lutil" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" [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; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `jack_violin` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "70c9c604938c30548c92e8e96dbab0ff266a33626bd497f5f6178f2d8c8c10c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70c9c604938c30548c92e8e96dbab0ff266a33626bd497f5f6178f2d8c8c10c4", kill_on_drop: false }` [INFO] [stdout] 70c9c604938c30548c92e8e96dbab0ff266a33626bd497f5f6178f2d8c8c10c4