[INFO] cloning repository https://github.com/avieth/algorave
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/avieth/algorave" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favieth%2Falgorave", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favieth%2Falgorave'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dcd43f6b65a7d5759a9357430458425e5846c534
[INFO] testing avieth/algorave against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favieth%2Falgorave" "/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/avieth/algorave on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/avieth/algorave
[INFO] finished tweaking git repo https://github.com/avieth/algorave
[INFO] tweaked toml for git repo https://github.com/avieth/algorave written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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" "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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4896234b1533c3cf6c37d0fc41e80f88eace07ae5df1ee0850314ab761eeffbe
[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" "4896234b1533c3cf6c37d0fc41e80f88eace07ae5df1ee0850314ab761eeffbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4896234b1533c3cf6c37d0fc41e80f88eace07ae5df1ee0850314ab761eeffbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4896234b1533c3cf6c37d0fc41e80f88eace07ae5df1ee0850314ab761eeffbe", kill_on_drop: false }`
[INFO] [stdout] 4896234b1533c3cf6c37d0fc41e80f88eace07ae5df1ee0850314ab761eeffbe
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36fdc6202221ae784fa11d30dd760f7ab15b9ef01ea3c7a2eaa05b71325512ea
[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" "36fdc6202221ae784fa11d30dd760f7ab15b9ef01ea3c7a2eaa05b71325512ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling libloading v0.6.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling jack-sys v0.0.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling jack-sys v0.2.1
[INFO] [stderr]    Compiling jack v0.6.5
[INFO] [stderr]    Compiling algorave v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `id_string`
[INFO] [stdout]    --> src/main.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |     let id_string = splits[0];
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_id_string`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id_string`
[INFO] [stdout]    --> src/main.rs:194:17
[INFO] [stdout]     |
[INFO] [stdout] 194 |             let id_string = splits[0];
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_id_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id_string`
[INFO] [stdout]    --> src/main.rs:205:17
[INFO] [stdout]     |
[INFO] [stdout] 205 |             let id_string = splits[0];
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_id_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id_string`
[INFO] [stdout]    --> src/main.rs:216:17
[INFO] [stdout]     |
[INFO] [stdout] 216 |             let id_string = splits[0];
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_id_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id_string`
[INFO] [stdout]    --> src/main.rs:227:17
[INFO] [stdout]     |
[INFO] [stdout] 227 |             let id_string = splits[0];
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_id_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `program_1`
[INFO] [stdout]  --> src/examples.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn program_1() -> Program {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `program_2`
[INFO] [stdout]    --> src/examples.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub fn program_2() -> Program {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `program_3`
[INFO] [stdout]    --> src/examples.rs:338:8
[INFO] [stdout]     |
[INFO] [stdout] 338 | pub fn program_3() -> Program {
[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/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/algorave-6606fccf32a57204.algorave.a6upp1e2-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/algorave-6606fccf32a57204.algorave.a6upp1e2-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/algorave-6606fccf32a57204.algorave.a6upp1e2-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/algorave-6606fccf32a57204.algorave.a6upp1e2-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/algorave-6606fccf32a57204.algorave.a6upp1e2-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/algorave-6606fccf32a57204.algorave.a6upp1e2-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/algorave-6606fccf32a57204.algorave.a6upp1e2-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/algorave-6606fccf32a57204.algorave.a6upp1e2-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/algorave-6606fccf32a57204.algorave.a6upp1e2-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/algorave-6606fccf32a57204.algorave.a6upp1e2-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/algorave-6606fccf32a57204.algorave.a6upp1e2-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/algorave-6606fccf32a57204.algorave.a6upp1e2-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/algorave-6606fccf32a57204.algorave.a6upp1e2-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/algorave-6606fccf32a57204.algorave.a6upp1e2-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/algorave-6606fccf32a57204.algorave.a6upp1e2-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/algorave-6606fccf32a57204.algorave.a6upp1e2-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/algorave-6606fccf32a57204" "/opt/rustwide/target/debug/deps/algorave-6606fccf32a57204.1a667sy50yqc0en6.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libalgorave-b56ba662bdea7437.rlib" "/opt/rustwide/target/debug/deps/libjack-a08d1146c5269e62.rlib" "/opt/rustwide/target/debug/deps/libjack_sys-b66bdab10fb8774e.rlib" "/opt/rustwide/target/debug/deps/liblibloading-190444a211f3d0ed.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-d836a7202f0431f0.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-7895c92c6d278491.rlib" "/opt/rustwide/target/debug/deps/libclap-55c0c88d018a5e9d.rlib" "/opt/rustwide/target/debug/deps/libvec_map-97b2d50686bf36e9.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-c6e5ad5dd55bdd8b.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-6a2548713a451fe0.rlib" "/opt/rustwide/target/debug/deps/libstrsim-8b805b0832095d99.rlib" "/opt/rustwide/target/debug/deps/libbitflags-de31228f2c0549ed.rlib" "/opt/rustwide/target/debug/deps/libatty-a56a033fb6ef07fa.rlib" "/opt/rustwide/target/debug/deps/liblibc-e0846f52673851a4.rlib" "/opt/rustwide/target/debug/deps/libansi_term-017778a055950e81.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-e12de7683a34c500.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-446a53c2e468675f.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-86fef9fb252a2d33.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-3bed9bfd30304751.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-0e38eeb474a7b386.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-a846ed547b824740.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-c9540f0a4fb9265d.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7d2ca66c92c356eb.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-147e2c808f949493.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-bd2a4369506670e9.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-74bfdd0ce7d0ed48.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-6777f47f1c491841.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b104f1790174f2be.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-db37898996f45c13.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-25b7435131fc4938.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9d4b6f3c097e876e.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-3f953ad652ab829a.rlib" "-Wl,-Bdynamic" "-ljack" "-ldl" "-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; 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `algorave`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "36fdc6202221ae784fa11d30dd760f7ab15b9ef01ea3c7a2eaa05b71325512ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36fdc6202221ae784fa11d30dd760f7ab15b9ef01ea3c7a2eaa05b71325512ea", kill_on_drop: false }`
[INFO] [stdout] 36fdc6202221ae784fa11d30dd760f7ab15b9ef01ea3c7a2eaa05b71325512ea