[INFO] cloning repository https://github.com/ul/kak-tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ul/kak-tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ful%2Fkak-tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ful%2Fkak-tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8c0b6b4a3d5750732817aa8c9e633699cb5c2367
[INFO] documenting ul/kak-tree against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ful%2Fkak-tree" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ul/kak-tree on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ul/kak-tree
[INFO] finished tweaking git repo https://github.com/ul/kak-tree
[INFO] tweaked toml for git repo https://github.com/ul/kak-tree written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ul/kak-tree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69164e1ed741ec518f79308c73a50196230b7a196dc00ad51324a0206239ab78
[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" "69164e1ed741ec518f79308c73a50196230b7a196dc00ad51324a0206239ab78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69164e1ed741ec518f79308c73a50196230b7a196dc00ad51324a0206239ab78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69164e1ed741ec518f79308c73a50196230b7a196dc00ad51324a0206239ab78", kill_on_drop: false }`
[INFO] [stdout] 69164e1ed741ec518f79308c73a50196230b7a196dc00ad51324a0206239ab78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 340f5f00507eedf3c8be3cced4ff40dc80a8897f9b08c8034e5ad9c2e8323699
[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" "340f5f00507eedf3c8be3cced4ff40dc80a8897f9b08c8034e5ad9c2e8323699", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking libflate v0.1.19
[INFO] [stderr]     Checking slog-scope v4.3.0
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking slog-stdlog v3.0.2
[INFO] [stderr]    Compiling jobserver v0.1.19
[INFO] [stderr]     Checking memchr v2.1.2
[INFO] [stderr]     Checking time v0.1.41
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]    Compiling tree-sitter v0.6.0
[INFO] [stderr]    Compiling kak-tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking slog-term v2.4.0
[INFO] [stderr]     Checking slog-kvfilter v0.7.0
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: cc: error: vendor/tree-sitter-rust/src/parser.c: No such file or directory
[INFO] [stderr] warning: cc: fatal error: no input files
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] 
[INFO] [stderr] error: failed to run custom build command for `kak-tree v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/kak-tree-98c7d332b1d6f9b8/build-script-build` (exit code: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   OPT_LEVEL = Some("0")
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   CC_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CC_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CC = None
[INFO] [stderr]   CC = None
[INFO] [stderr]   CFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CFLAGS = None
[INFO] [stderr]   CFLAGS = None
[INFO] [stderr]   CRATE_CC_NO_DEFAULTS = None
[INFO] [stderr]   DEBUG = Some("true")
[INFO] [stderr]   CARGO_CFG_TARGET_FEATURE = Some("fxsr,sse,sse2")
[INFO] [stderr]   running: "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "vendor/tree-sitter-rust/src" "-Wall" "-Wextra" "-o" "/opt/rustwide/target/debug/build/kak-tree-014cea592353bb0c/out/vendor/tree-sitter-rust/src/parser.o" "-c" "vendor/tree-sitter-rust/src/parser.c"
[INFO] [stderr]   cargo:warning=cc: error: vendor/tree-sitter-rust/src/parser.c: No such file or directory
[INFO] [stderr]   cargo:warning=cc: fatal error: no input files
[INFO] [stderr]   cargo:warning=compilation terminated.
[INFO] [stderr]   exit code: 1
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   error occurred: Command "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "vendor/tree-sitter-rust/src" "-Wall" "-Wextra" "-o" "/opt/rustwide/target/debug/build/kak-tree-014cea592353bb0c/out/vendor/tree-sitter-rust/src/parser.o" "-c" "vendor/tree-sitter-rust/src/parser.c" with args "cc" did not execute successfully (status code exit code: 1).
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "340f5f00507eedf3c8be3cced4ff40dc80a8897f9b08c8034e5ad9c2e8323699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "340f5f00507eedf3c8be3cced4ff40dc80a8897f9b08c8034e5ad9c2e8323699", kill_on_drop: false }`
[INFO] [stdout] 340f5f00507eedf3c8be3cced4ff40dc80a8897f9b08c8034e5ad9c2e8323699