[INFO] cloning repository https://github.com/Kneelawk/compute_error_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kneelawk/compute_error_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKneelawk%2Fcompute_error_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKneelawk%2Fcompute_error_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 89933cd7bb38d9751ab54c81b8c2811ba8c3b12a
[INFO] documenting Kneelawk/compute_error_example against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKneelawk%2Fcompute_error_example" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kneelawk/compute_error_example on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Kneelawk/compute_error_example
[INFO] finished tweaking git repo https://github.com/Kneelawk/compute_error_example
[INFO] tweaked toml for git repo https://github.com/Kneelawk/compute_error_example written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Kneelawk/compute_error_example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded half v1.4.0
[INFO] [stderr]   Downloaded shaderc-sys v0.6.1
[INFO] [stderr]   Downloaded shaderc v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4875ed743817f99496c98c8b6ffc36536531c38b0ef61f29828d639ff1bf4955
[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" "4875ed743817f99496c98c8b6ffc36536531c38b0ef61f29828d639ff1bf4955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4875ed743817f99496c98c8b6ffc36536531c38b0ef61f29828d639ff1bf4955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4875ed743817f99496c98c8b6ffc36536531c38b0ef61f29828d639ff1bf4955", kill_on_drop: false }`
[INFO] [stdout] 4875ed743817f99496c98c8b6ffc36536531c38b0ef61f29828d639ff1bf4955
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "RUSTDOCFLAGS=--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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c02ddbc9a1fd79832eb0b9997de99d4a00b60d51ddf282d2d2e865e547357b5
[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" "3c02ddbc9a1fd79832eb0b9997de99d4a00b60d51ddf282d2d2e865e547357b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.9
[INFO] [stderr]    Compiling vulkano v0.16.0 (https://github.com/vulkano-rs/vulkano?rev=b0fb255c02eca58fb9b9b709e721bd89f8281ef4#b0fb255c)
[INFO] [stderr]     Checking half v1.4.0
[INFO] [stderr]     Checking vk-sys v0.5.0 (https://github.com/vulkano-rs/vulkano?rev=b0fb255c02eca58fb9b9b709e721bd89f8281ef4#b0fb255c)
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]    Compiling shaderc-sys v0.6.1
[INFO] [stderr] error: could not compile `vulkano`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name vulkano /opt/rustwide/cargo-home/git/checkouts/vulkano-cb672043253a6e8d/b0fb255/vulkano/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -Cembed-bitcode=no -C debuginfo=2 -C metadata=7195682db0cd6dbd -C extra-filename=-7195682db0cd6dbd --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-2ddcb51dc509d2d8.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-0cf272d97adbcba7.rmeta --extern half=/opt/rustwide/target/debug/deps/libhalf-8cd77ff14d6562ab.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-db88f49d9e5662e7.rmeta --extern shared_library=/opt/rustwide/target/debug/deps/libshared_library-ac41ee2aab384def.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-268505462de9a9e8.rmeta --extern vk_sys=/opt/rustwide/target/debug/deps/libvk_sys-b1db260af811aeda.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: System installed library not found.  Falling back to build from source
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3c02ddbc9a1fd79832eb0b9997de99d4a00b60d51ddf282d2d2e865e547357b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c02ddbc9a1fd79832eb0b9997de99d4a00b60d51ddf282d2d2e865e547357b5", kill_on_drop: false }`
[INFO] [stdout] 3c02ddbc9a1fd79832eb0b9997de99d4a00b60d51ddf282d2d2e865e547357b5