[INFO] cloning repository https://github.com/Spunge/octothorpe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Spunge/octothorpe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpunge%2Foctothorpe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpunge%2Foctothorpe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7d6b70569860f904dbcaf82ddfdf7d2f7d978be2
[INFO] testing Spunge/octothorpe against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpunge%2Foctothorpe" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Spunge/octothorpe 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/Spunge/octothorpe
[INFO] finished tweaking git repo https://github.com/Spunge/octothorpe
[INFO] tweaked toml for git repo https://github.com/Spunge/octothorpe written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Spunge/octothorpe 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] f4b2eeea081b0f2556651dbda37e12a48aec845b4d6a9ea2a069aeeaea5f20f8
[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" "f4b2eeea081b0f2556651dbda37e12a48aec845b4d6a9ea2a069aeeaea5f20f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4b2eeea081b0f2556651dbda37e12a48aec845b4d6a9ea2a069aeeaea5f20f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4b2eeea081b0f2556651dbda37e12a48aec845b4d6a9ea2a069aeeaea5f20f8", kill_on_drop: false }`
[INFO] [stdout] f4b2eeea081b0f2556651dbda37e12a48aec845b4d6a9ea2a069aeeaea5f20f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 7e3b589adedc3810b6e72e9c55666100df4460644a1607d63d8d1047ab27d73d
[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" "7e3b589adedc3810b6e72e9c55666100df4460644a1607d63d8d1047ab27d73d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling jack-sys v0.2.0 (https://github.com/spunge/rust-jack.git#c645e0b1)
[INFO] [stderr]    Compiling jack-sys v0.2.0
[INFO] [stderr]    Compiling jack v0.6.0-rc1 (https://github.com/spunge/rust-jack.git#c645e0b1)
[INFO] [stderr]    Compiling octothorpe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::loopable::*`
[INFO] [stdout]  --> src/surface.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::loopable::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::events::*`
[INFO] [stdout]  --> src/surface.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use super::events::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sequencer`
[INFO] [stdout]    --> src/surface.rs:151:45
[INFO] [stdout]     |
[INFO] [stdout] 151 |     pub fn set_offsets_by_factor(&mut self, sequencer: &Sequencer, track_index: usize, factor: f64) {
[INFO] [stdout]     |                                             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sequencer`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `track_index`
[INFO] [stdout]    --> src/surface.rs:151:68
[INFO] [stdout]     |
[INFO] [stdout] 151 |     pub fn set_offsets_by_factor(&mut self, sequencer: &Sequencer, track_index: usize, factor: f64) {
[INFO] [stdout]     |                                                                    ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_track_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `factor`
[INFO] [stdout]    --> src/surface.rs:151:88
[INFO] [stdout]     |
[INFO] [stdout] 151 |     pub fn set_offsets_by_factor(&mut self, sequencer: &Sequencer, track_index: usize, factor: f64) {
[INFO] [stdout]     |                                                                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_factor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `phrase_zoom_level`
[INFO] [stdout]   --> src/surface.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 93 |     phrase_zoom_level: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `phrase_offsets`
[INFO] [stdout]   --> src/surface.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 |     phrase_offsets: [u32; 16],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pattern_zoom_level`
[INFO] [stdout]   --> src/surface.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     pattern_zoom_level: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pattern_offsets`
[INFO] [stdout]   --> src/surface.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pattern_offsets: [u32; 16],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pattern_base_notes`
[INFO] [stdout]   --> src/surface.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pattern_base_notes: [u8; 16],
[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/octothorpe-6d4083d0e41710d8.octothorpe.9y9od2wx-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/octothorpe-6d4083d0e41710d8.octothorpe.9y9od2wx-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/octothorpe-6d4083d0e41710d8.octothorpe.9y9od2wx-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/octothorpe-6d4083d0e41710d8.octothorpe.9y9od2wx-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/octothorpe-6d4083d0e41710d8.octothorpe.9y9od2wx-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/octothorpe-6d4083d0e41710d8.octothorpe.9y9od2wx-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/octothorpe-6d4083d0e41710d8.octothorpe.9y9od2wx-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/octothorpe-6d4083d0e41710d8.octothorpe.9y9od2wx-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/octothorpe-6d4083d0e41710d8.octothorpe.9y9od2wx-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/octothorpe-6d4083d0e41710d8.octothorpe.9y9od2wx-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/octothorpe-6d4083d0e41710d8.octothorpe.9y9od2wx-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/octothorpe-6d4083d0e41710d8.octothorpe.9y9od2wx-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/octothorpe-6d4083d0e41710d8.octothorpe.9y9od2wx-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/octothorpe-6d4083d0e41710d8.octothorpe.9y9od2wx-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/octothorpe-6d4083d0e41710d8.octothorpe.9y9od2wx-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/octothorpe-6d4083d0e41710d8.octothorpe.9y9od2wx-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/octothorpe-6d4083d0e41710d8" "/opt/rustwide/target/debug/deps/octothorpe-6d4083d0e41710d8.2wkd3wyib717s2wx.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/libjack_sys-8da362a5554e0ac4.rlib" "/opt/rustwide/target/debug/deps/libjack-0c6f2e1fceebbdf5.rlib" "/opt/rustwide/target/debug/deps/libjack_sys-3fb287d1508b5efa.rlib" "/opt/rustwide/target/debug/deps/liblibloading-0e38e079594762e3.rlib" "/opt/rustwide/target/debug/deps/liblibc-047bd87224751377.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-4ccbe9d570ae61ca.rlib" "/opt/rustwide/target/debug/deps/libbitflags-5c7d271dfd8fcb55.rlib" "/opt/rustwide/target/debug/deps/libmatches-5499bb0a916b29b9.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" "-ljack" "-ldl" "-lutil" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -ljack
[INFO] [stdout]           /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; 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `octothorpe`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "7e3b589adedc3810b6e72e9c55666100df4460644a1607d63d8d1047ab27d73d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e3b589adedc3810b6e72e9c55666100df4460644a1607d63d8d1047ab27d73d", kill_on_drop: false }`
[INFO] [stdout] 7e3b589adedc3810b6e72e9c55666100df4460644a1607d63d8d1047ab27d73d