[INFO] updating cached repository https://github.com/mlang/jackdots [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] 302a6e1a72263de1f09cbcf2fa2b1f53244bb742 [INFO] testing mlang/jackdots against 1.45.2 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlang%2Fjackdots" "/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/mlang/jackdots on toolchain 1.45.2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mlang/jackdots [INFO] finished tweaking git repo https://github.com/mlang/jackdots [INFO] tweaked toml for git repo https://github.com/mlang/jackdots written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/mlang/jackdots already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "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" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 051a7bd9a6b85316fbb0dab7ecd402ce4a1699042ac7fe0351b528036861f6d3 [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" "051a7bd9a6b85316fbb0dab7ecd402ce4a1699042ac7fe0351b528036861f6d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "051a7bd9a6b85316fbb0dab7ecd402ce4a1699042ac7fe0351b528036861f6d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "051a7bd9a6b85316fbb0dab7ecd402ce4a1699042ac7fe0351b528036861f6d3", kill_on_drop: false }` [INFO] [stdout] 051a7bd9a6b85316fbb0dab7ecd402ce4a1699042ac7fe0351b528036861f6d3 [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" "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" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c67fe77098af5000869cce618e8b732030b65ef4b27c5f20abddece48aaed898 [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" "c67fe77098af5000869cce618e8b732030b65ef4b27c5f20abddece48aaed898", kill_on_drop: false }` [INFO] [stderr] Compiling libloading v0.4.3 [INFO] [stderr] Compiling strength_reduce v0.2.3 [INFO] [stderr] Compiling transpose v0.1.0 [INFO] [stderr] Compiling ringbuf v0.2.1 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling jack-sys v0.2.0 [INFO] [stderr] Compiling jack v0.6.2 [INFO] [stderr] Compiling rustfft v3.0.1 [INFO] [stderr] Compiling jackdots v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `cells` [INFO] [stdout] --> src/main.rs:90:16 [INFO] [stdout] | [INFO] [stdout] 90 | pub fn new(cells: usize) -> Self { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_cells` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Spectrum` [INFO] [stdout] --> src/main.rs:9:16 [INFO] [stdout] | [INFO] [stdout] 9 | PeakMeter, Spectrum [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | client.connect_ports(&port, &in_1); [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:125:13 [INFO] [stdout] | [INFO] [stdout] 125 | io::stdout().flush(); [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" "-L" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/jackdots-da12c87987054345.jackdots.36t0tm36-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/jackdots-da12c87987054345.jackdots.36t0tm36-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/jackdots-da12c87987054345.jackdots.36t0tm36-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/jackdots-da12c87987054345.jackdots.36t0tm36-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/jackdots-da12c87987054345.jackdots.36t0tm36-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/jackdots-da12c87987054345.jackdots.36t0tm36-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/jackdots-da12c87987054345.jackdots.36t0tm36-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/jackdots-da12c87987054345.jackdots.36t0tm36-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/jackdots-da12c87987054345.jackdots.36t0tm36-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/jackdots-da12c87987054345.jackdots.36t0tm36-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/jackdots-da12c87987054345.jackdots.36t0tm36-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/jackdots-da12c87987054345.jackdots.36t0tm36-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/jackdots-da12c87987054345.jackdots.36t0tm36-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/jackdots-da12c87987054345.jackdots.36t0tm36-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/jackdots-da12c87987054345.jackdots.36t0tm36-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/jackdots-da12c87987054345.jackdots.36t0tm36-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/jackdots-da12c87987054345" "/opt/rustwide/target/debug/deps/jackdots-da12c87987054345.2afrujvzfehic5h.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libjack-627ac25376fd7671.rlib" "/opt/rustwide/target/debug/deps/libjack_sys-823e6a8be1282f44.rlib" "/opt/rustwide/target/debug/deps/liblibloading-d6178a58d287eac1.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-660ab907323d6aba.rlib" "/opt/rustwide/target/debug/deps/libclap-d7bc22adb4848e0a.rlib" "/opt/rustwide/target/debug/deps/libvec_map-3d63e171f843dcc4.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-d77f215607f2bb22.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-135158f6852acd4a.rlib" "/opt/rustwide/target/debug/deps/libstrsim-634e26f9ad594cf1.rlib" "/opt/rustwide/target/debug/deps/libbitflags-02fffe573fe5be1a.rlib" "/opt/rustwide/target/debug/deps/libatty-ce0146ac03651e43.rlib" "/opt/rustwide/target/debug/deps/liblibc-7395dad9984dcf6a.rlib" "/opt/rustwide/target/debug/deps/libansi_term-a7bdbb1c1b6d9ee6.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-8bb11f807a7b6b4c.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-ca8087507780d964.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-259c92b387c1c166.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-16e0a2fbbb8e14b3.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-8a1651b8e23d2aaf.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-23bdd98b0574083e.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-855a92055ec33e2e.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-24c70dd44fbacdfb.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-b326273841bae587.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-ac3c1f0e16507051.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a5729542b65954aa.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-09bd1119ab1cad7d.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9a787681bfbeaf61.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-5a0398ee67f74664.rlib" "-Wl,-Bdynamic" "-ljack" "-ldl" "-lutil" "-ldl" "-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; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `jackdots`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "c67fe77098af5000869cce618e8b732030b65ef4b27c5f20abddece48aaed898", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c67fe77098af5000869cce618e8b732030b65ef4b27c5f20abddece48aaed898", kill_on_drop: false }` [INFO] [stdout] c67fe77098af5000869cce618e8b732030b65ef4b27c5f20abddece48aaed898