[INFO] cloning repository https://github.com/lucdoebereiner/klangraum
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lucdoebereiner/klangraum" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucdoebereiner%2Fklangraum", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucdoebereiner%2Fklangraum'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 65300bbd7e198cdf7e049bdbdc8821d43944be34
[INFO] testing lucdoebereiner/klangraum against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucdoebereiner%2Fklangraum" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lucdoebereiner/klangraum 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/lucdoebereiner/klangraum
[INFO] finished tweaking git repo https://github.com/lucdoebereiner/klangraum
[INFO] tweaked toml for git repo https://github.com/lucdoebereiner/klangraum written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/lucdoebereiner/klangraum already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (tokio) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jack-sys v0.2.0
[INFO] [stderr]   Downloaded bus v2.2.3
[INFO] [stderr]   Downloaded openssl-sys v0.9.54
[INFO] [stderr]   Downloaded input_buffer v0.3.1
[INFO] [stderr]   Downloaded libc v0.2.67
[INFO] [stderr]   Downloaded atomic-option v0.1.2
[INFO] [stderr]   Downloaded syn v1.0.44
[INFO] [stderr]   Downloaded flexi_logger v0.16.1
[INFO] [stderr]   Downloaded openssl v0.10.28
[INFO] [stderr]   Downloaded libloading v0.4.3
[INFO] [stderr]   Downloaded schannel v0.1.17
[INFO] [stderr]   Downloaded tokio v0.3.2
[INFO] [stderr]   Downloaded security-framework-sys v0.4.1
[INFO] [stderr]   Downloaded security-framework v0.4.1
[INFO] [stderr]   Downloaded tungstenite v0.10.1
[INFO] [stderr]   Downloaded jack v0.6.2
[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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 817fdc235debb9fa0af2cbf2d60f9c8c13ff49c1408b2f44476d2729445d00ea
[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" "817fdc235debb9fa0af2cbf2d60f9c8c13ff49c1408b2f44476d2729445d00ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "817fdc235debb9fa0af2cbf2d60f9c8c13ff49c1408b2f44476d2729445d00ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "817fdc235debb9fa0af2cbf2d60f9c8c13ff49c1408b2f44476d2729445d00ea", kill_on_drop: false }`
[INFO] [stdout] 817fdc235debb9fa0af2cbf2d60f9c8c13ff49c1408b2f44476d2729445d00ea
[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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55db40e0c6cc149802ddf11d69c5f0fdb63c347ee84972dc21694224a58092a6
[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" "55db40e0c6cc149802ddf11d69c5f0fdb63c347ee84972dc21694224a58092a6", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (tokio) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling atomic-option v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling input_buffer v0.3.1
[INFO] [stderr]    Compiling http v0.2.0
[INFO] [stderr]    Compiling tokio v0.3.2
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling slice-deque v0.3.0
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling jack-sys v0.2.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling jack v0.6.2
[INFO] [stderr]    Compiling bus v2.2.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling minimp3 v0.3.5
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling tungstenite v0.10.1
[INFO] [stderr]    Compiling thiserror v1.0.21
[INFO] [stderr]    Compiling flexi_logger v0.16.1
[INFO] [stderr]    Compiling klangraum v0.1.0 (/opt/rustwide/workdir)
[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/klangraum-de0686705768704c.klangraum.5npi7t4b-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/klangraum-de0686705768704c.klangraum.5npi7t4b-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/klangraum-de0686705768704c.klangraum.5npi7t4b-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/klangraum-de0686705768704c.klangraum.5npi7t4b-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/klangraum-de0686705768704c.klangraum.5npi7t4b-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/klangraum-de0686705768704c.klangraum.5npi7t4b-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/klangraum-de0686705768704c.klangraum.5npi7t4b-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/klangraum-de0686705768704c.klangraum.5npi7t4b-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/klangraum-de0686705768704c.klangraum.5npi7t4b-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/klangraum-de0686705768704c.klangraum.5npi7t4b-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/klangraum-de0686705768704c.klangraum.5npi7t4b-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/klangraum-de0686705768704c.klangraum.5npi7t4b-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/klangraum-de0686705768704c.klangraum.5npi7t4b-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/klangraum-de0686705768704c.klangraum.5npi7t4b-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/klangraum-de0686705768704c.klangraum.5npi7t4b-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/klangraum-de0686705768704c.klangraum.5npi7t4b-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/klangraum-de0686705768704c" "/opt/rustwide/target/debug/deps/klangraum-de0686705768704c.1u3olxsfd32ee955.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/minimp3-sys-924e7cf915db80dc/out" "-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/libjack-21331b0d8a0e3ce6.rlib" "/opt/rustwide/target/debug/deps/libjack_sys-43375204b4399b21.rlib" "/opt/rustwide/target/debug/deps/liblibloading-c708f25baac62c06.rlib" "/opt/rustwide/target/debug/deps/libtungstenite-dc4e5c3e7b8de8de.rlib" "/opt/rustwide/target/debug/deps/libutf8-4f177abfb802ed08.rlib" "/opt/rustwide/target/debug/deps/librand-da2615f44d6ae290.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-cba4309df6edbdd0.rlib" "/opt/rustwide/target/debug/deps/libppv_lite86-449783e61805f843.rlib" "/opt/rustwide/target/debug/deps/librand_core-7ad084406e5c6188.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-7f52afe34811c9d1.rlib" "/opt/rustwide/target/debug/deps/libsha1-d2920ef483c122d8.rlib" "/opt/rustwide/target/debug/deps/libfake_simd-3704098158514f49.rlib" "/opt/rustwide/target/debug/deps/libdigest-79670a007f889ad3.rlib" "/opt/rustwide/target/debug/deps/libopaque_debug-efd5d3f8c67be758.rlib" "/opt/rustwide/target/debug/deps/libblock_buffer-9a9bab69dbc973ac.rlib" "/opt/rustwide/target/debug/deps/libgeneric_array-93629d1509005b21.rlib" "/opt/rustwide/target/debug/deps/libtypenum-9dd140330be7992c.rlib" "/opt/rustwide/target/debug/deps/libblock_padding-0cbcbf39d870dce5.rlib" "/opt/rustwide/target/debug/deps/libbyte_tools-7b41428fbe7b62c6.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-04b16b37fbc1beb3.rlib" "/opt/rustwide/target/debug/deps/libbase64-bd76cc5e92a459fa.rlib" "/opt/rustwide/target/debug/deps/libinput_buffer-e3c668adf1aa8044.rlib" "/opt/rustwide/target/debug/deps/libhttparse-70ee21a856a9db0a.rlib" "/opt/rustwide/target/debug/deps/liburl-c2e96d08d138ae4f.rlib" "/opt/rustwide/target/debug/deps/libpercent_encoding-118ab8cd0c12994c.rlib" "/opt/rustwide/target/debug/deps/libidna-fc5d3d2cb42fdaa4.rlib" "/opt/rustwide/target/debug/deps/libunicode_normalization-66fa7fe75137e0b2.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-20d5849f4da9bac2.rlib" "/opt/rustwide/target/debug/deps/libunicode_bidi-7e8075a07f0e5422.rlib" "/opt/rustwide/target/debug/deps/libmatches-5499bb0a916b29b9.rlib" "/opt/rustwide/target/debug/deps/libhttp-5e58c6c9522ff375.rlib" "/opt/rustwide/target/debug/deps/libitoa-3684b8eba7e8f8b7.rlib" "/opt/rustwide/target/debug/deps/libbytes-c2d6a084219fa12b.rlib" "/opt/rustwide/target/debug/deps/libfnv-40b1e5d34b306915.rlib" "/opt/rustwide/target/debug/deps/libnative_tls-8291131590018d9c.rlib" "/opt/rustwide/target/debug/deps/libopenssl_probe-0807aab40c872817.rlib" "/opt/rustwide/target/debug/deps/libopenssl-768d47b4326c5430.rlib" "/opt/rustwide/target/debug/deps/libopenssl_sys-e9b2ddc53536fc01.rlib" "/opt/rustwide/target/debug/deps/libforeign_types-a8021f93a490c2c6.rlib" "/opt/rustwide/target/debug/deps/libforeign_types_shared-16ec2b602d960524.rlib" "/opt/rustwide/target/debug/deps/libbitflags-de31228f2c0549ed.rlib" "/opt/rustwide/target/debug/deps/liblog-1761913616bdc5f1.rlib" "/opt/rustwide/target/debug/deps/libminimp3-06989ea81eb54be7.rlib" "/opt/rustwide/target/debug/deps/libslice_deque-8471e89144376f2c.rlib" "/opt/rustwide/target/debug/deps/liblibc-853d3e680602d8a0.rlib" "/opt/rustwide/target/debug/deps/libminimp3_sys-eb469ac94cf3cb41.rlib" "/opt/rustwide/target/debug/deps/libtokio-ce4b843b57395b86.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_channel-db38eb1703ac17e7.rlib" "/opt/rustwide/target/debug/deps/libmaybe_uninit-ba8c860573beb973.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-f70100d05e1798e6.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-7895c92c6d278491.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-b10e0993eefc366b.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" "-lssl" "-lcrypto" "-lutil" "-ldl" "-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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `klangraum`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "55db40e0c6cc149802ddf11d69c5f0fdb63c347ee84972dc21694224a58092a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55db40e0c6cc149802ddf11d69c5f0fdb63c347ee84972dc21694224a58092a6", kill_on_drop: false }`
[INFO] [stdout] 55db40e0c6cc149802ddf11d69c5f0fdb63c347ee84972dc21694224a58092a6