[INFO] updating cached repository https://github.com/Spunge/forex
[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] 7a4951edad7d506422b66ce80c032422d38e6c27
[INFO] testing Spunge/forex against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpunge%2Fforex" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Spunge/forex 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/Spunge/forex
[INFO] finished tweaking git repo https://github.com/Spunge/forex
[INFO] tweaked toml for git repo https://github.com/Spunge/forex written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Spunge/forex 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 0b4c639d3d793096970edc6666b4d4d4ef4d4feeab95babb44657cf209c4848b
[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" "0b4c639d3d793096970edc6666b4d4d4ef4d4feeab95babb44657cf209c4848b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b4c639d3d793096970edc6666b4d4d4ef4d4feeab95babb44657cf209c4848b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b4c639d3d793096970edc6666b4d4d4ef4d4feeab95babb44657cf209c4848b", kill_on_drop: false }`
[INFO] [stdout] 0b4c639d3d793096970edc6666b4d4d4ef4d4feeab95babb44657cf209c4848b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 74c19e6a1994cb33504b5a3182538bad0668a1ba8ebfe9479db57512a3466677
[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" "74c19e6a1994cb33504b5a3182538bad0668a1ba8ebfe9479db57512a3466677", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling jack-sys v0.2.0 (https://github.com/spunge/rust-jack.git#c645e0b1)
[INFO] [stderr]    Compiling jack v0.6.0-rc1 (https://github.com/spunge/rust-jack.git#c645e0b1)
[INFO] [stderr]    Compiling gilrs-core v0.2.5
[INFO] [stderr]    Compiling gilrs v0.7.4
[INFO] [stderr]    Compiling forex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/main.rs:170:13
[INFO] [stdout]     |
[INFO] [stdout] 170 |             writer.write(&jack::RawMidi { time: frame, bytes: &bytes });
[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] 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/forex-6295d0e1f4d2df9e.forex.b8sgfpbs-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/forex-6295d0e1f4d2df9e.forex.b8sgfpbs-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/forex-6295d0e1f4d2df9e.forex.b8sgfpbs-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/forex-6295d0e1f4d2df9e.forex.b8sgfpbs-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/forex-6295d0e1f4d2df9e.forex.b8sgfpbs-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/forex-6295d0e1f4d2df9e.forex.b8sgfpbs-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/forex-6295d0e1f4d2df9e.forex.b8sgfpbs-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/forex-6295d0e1f4d2df9e.forex.b8sgfpbs-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/forex-6295d0e1f4d2df9e.forex.b8sgfpbs-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/forex-6295d0e1f4d2df9e.forex.b8sgfpbs-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/forex-6295d0e1f4d2df9e.forex.b8sgfpbs-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/forex-6295d0e1f4d2df9e.forex.b8sgfpbs-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/forex-6295d0e1f4d2df9e.forex.b8sgfpbs-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/forex-6295d0e1f4d2df9e.forex.b8sgfpbs-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/forex-6295d0e1f4d2df9e.forex.b8sgfpbs-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/forex-6295d0e1f4d2df9e.forex.b8sgfpbs-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/forex-6295d0e1f4d2df9e" "/opt/rustwide/target/debug/deps/forex-6295d0e1f4d2df9e.4oyki8voq1qdbws6.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/lib/x86_64-linux-gnu" "-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/libgilrs-699abb30b1c213f4.rlib" "/opt/rustwide/target/debug/deps/libgilrs_core-bb56982bd03c61d7.rlib" "/opt/rustwide/target/debug/deps/liblog-da2d6b139ded8350.rlib" "/opt/rustwide/target/debug/deps/libuuid-bb21c16facbcdd38.rlib" "/opt/rustwide/target/debug/deps/libvec_map-3d63e171f843dcc4.rlib" "/opt/rustwide/target/debug/deps/libnix-13c4fbb991140656.rlib" "/opt/rustwide/target/debug/deps/libvoid-af6f01eb30472fa0.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-ab1bd98be96b57b3.rlib" "/opt/rustwide/target/debug/deps/liblibudev_sys-1ecb5c925f875bb1.rlib" "/opt/rustwide/target/debug/deps/libfnv-17f81a650e186a33.rlib" "/opt/rustwide/target/debug/deps/libjack-0d7f518788978d68.rlib" "/opt/rustwide/target/debug/deps/libjack_sys-a730f39d607dfa2c.rlib" "/opt/rustwide/target/debug/deps/liblibloading-d6178a58d287eac1.rlib" "/opt/rustwide/target/debug/deps/liblibc-6ab8555ff5b3f2d5.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-660ab907323d6aba.rlib" "/opt/rustwide/target/debug/deps/libbitflags-02fffe573fe5be1a.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" "-ludev" "-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; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `forex`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "74c19e6a1994cb33504b5a3182538bad0668a1ba8ebfe9479db57512a3466677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74c19e6a1994cb33504b5a3182538bad0668a1ba8ebfe9479db57512a3466677", kill_on_drop: false }`
[INFO] [stdout] 74c19e6a1994cb33504b5a3182538bad0668a1ba8ebfe9479db57512a3466677