[INFO] fetching crate easy_syntax 0.1.0...
[INFO] testing easy_syntax-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate easy_syntax 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate easy_syntax 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate easy_syntax 0.1.0
[INFO] finished tweaking crates.io crate easy_syntax 0.1.0
[INFO] tweaked toml for crates.io crate easy_syntax 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ears v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff80b76398369aa376c0c19eb23623efb2188f6d7cb7c3625da591b948b5663f
[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" "ff80b76398369aa376c0c19eb23623efb2188f6d7cb7c3625da591b948b5663f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff80b76398369aa376c0c19eb23623efb2188f6d7cb7c3625da591b948b5663f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff80b76398369aa376c0c19eb23623efb2188f6d7cb7c3625da591b948b5663f", kill_on_drop: false }`
[INFO] [stdout] ff80b76398369aa376c0c19eb23623efb2188f6d7cb7c3625da591b948b5663f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c27f56ef7bdb9eb0618e9fa5c207fedd907b3af6c0bd7ba5fc62d400a1cc8f29
[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" "c27f56ef7bdb9eb0618e9fa5c207fedd907b3af6c0bd7ba5fc62d400a1cc8f29", kill_on_drop: false }`
[INFO] [stderr]    Compiling ears v0.4.0
[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/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/ears-eeea2d2468ada5b0.ears.3psl4euf-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/ears-eeea2d2468ada5b0.ears.3psl4euf-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/ears-eeea2d2468ada5b0.ears.3psl4euf-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/ears-eeea2d2468ada5b0.ears.3psl4euf-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/ears-eeea2d2468ada5b0.ears.3psl4euf-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/ears-eeea2d2468ada5b0.ears.3psl4euf-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/ears-eeea2d2468ada5b0.ears.3psl4euf-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/ears-eeea2d2468ada5b0.ears.3psl4euf-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/ears-eeea2d2468ada5b0.ears.3psl4euf-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/ears-eeea2d2468ada5b0.ears.3psl4euf-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/ears-eeea2d2468ada5b0.ears.3psl4euf-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/ears-eeea2d2468ada5b0.ears.3psl4euf-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/ears-eeea2d2468ada5b0.ears.3psl4euf-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/ears-eeea2d2468ada5b0.ears.3psl4euf-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/ears-eeea2d2468ada5b0.ears.3psl4euf-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/ears-eeea2d2468ada5b0.ears.3psl4euf-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/libears-eeea2d2468ada5b0.so" "-Wl,--version-script=/tmp/rustcbuzwP5/list" "/opt/rustwide/target/debug/deps/ears-eeea2d2468ada5b0.1abfm4zu9c6jxx4v.rcgu.o" "-shared" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/usr/local/opt/openal-soft/lib" "-L" "/usr/local/lib" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lopenal" "-lsndfile" "-Wl,-Bstatic" "-Wl,--whole-archive" "/tmp/rustcbuzwP5/liblazy_static-721ddb5cf32cc140.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcbuzwP5/liblibc-77d6541a42757d2c.rlib" "-Wl,--no-whole-archive" "-Wl,--start-group" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bdynamic" "-lstd-7444fd17919e9af0" "-Wl,--end-group" "-Wl,-Bstatic" "/tmp/rustcbuzwP5/libcompiler_builtins-0f3a0c116d5e04d6.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lsndfile
[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 `ears`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "c27f56ef7bdb9eb0618e9fa5c207fedd907b3af6c0bd7ba5fc62d400a1cc8f29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c27f56ef7bdb9eb0618e9fa5c207fedd907b3af6c0bd7ba5fc62d400a1cc8f29", kill_on_drop: false }`
[INFO] [stdout] c27f56ef7bdb9eb0618e9fa5c207fedd907b3af6c0bd7ba5fc62d400a1cc8f29