[INFO] cloning repository https://github.com/afnanenayet/diffsitter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/afnanenayet/diffsitter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fafnanenayet%2Fdiffsitter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fafnanenayet%2Fdiffsitter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 85ad36cf355e9684cddd162993fd8a679fb9abf9
[INFO] testing afnanenayet/diffsitter against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fafnanenayet%2Fdiffsitter" "/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/afnanenayet/diffsitter 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/afnanenayet/diffsitter
[INFO] finished tweaking git repo https://github.com/afnanenayet/diffsitter
[INFO] tweaked toml for git repo https://github.com/afnanenayet/diffsitter written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/afnanenayet/diffsitter 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] [stderr]     Blocking waiting for file lock on package cache
[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" "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] f2a2550167d975d4a0ba173c367310d10f8562e77120e8958f6a1884183586de
[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" "f2a2550167d975d4a0ba173c367310d10f8562e77120e8958f6a1884183586de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2a2550167d975d4a0ba173c367310d10f8562e77120e8958f6a1884183586de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2a2550167d975d4a0ba173c367310d10f8562e77120e8958f6a1884183586de", kill_on_drop: false }`
[INFO] [stdout] f2a2550167d975d4a0ba173c367310d10f8562e77120e8958f6a1884183586de
[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" "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] 60d081db70ed41399835daa08a1728cc80de7a1b353ab75860f771c36bf5f328
[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" "60d081db70ed41399835daa08a1728cc80de7a1b353ab75860f771c36bf5f328", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling terminal_size v0.1.15
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling tree-sitter v0.17.1
[INFO] [stderr]    Compiling console v0.14.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling paw-attributes v1.0.2
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling paw v1.0.0
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling diffsitter v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: cc: error: grammars/tree-sitter-rust/src/scanner.c: No such file or directory
[INFO] [stderr] warning: cc: fatal error: no input files
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] warning: cc: error: grammars/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 `diffsitter v0.0.1 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/diffsitter-b93c53c4eca87259/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" "grammars/tree-sitter-rust/src" "-o" "/opt/rustwide/target/debug/build/diffsitter-a46f7bab73d3667c/out/grammars/tree-sitter-rust/src/scanner.o" "-c" "grammars/tree-sitter-rust/src/scanner.c"
[INFO] [stderr]   cargo:warning=cc: error: grammars/tree-sitter-rust/src/scanner.c: No such file or directory
[INFO] [stderr]   cargo:warning=cc: fatal error: no input files
[INFO] [stderr]   cargo:warning=compilation terminated.
[INFO] [stderr]   running: "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "grammars/tree-sitter-rust/src" "-o" "/opt/rustwide/target/debug/build/diffsitter-a46f7bab73d3667c/out/grammars/tree-sitter-rust/src/parser.o" "-c" "grammars/tree-sitter-rust/src/parser.c"
[INFO] [stderr]   exit code: 1
[INFO] [stderr]   cargo:warning=cc: error: grammars/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]   Error: ToolExecError: Command "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "grammars/tree-sitter-rust/src" "-o" "/opt/rustwide/target/debug/build/diffsitter-a46f7bab73d3667c/out/grammars/tree-sitter-rust/src/parser.o" "-c" "grammars/tree-sitter-rust/src/parser.c" with args "cc" did not execute successfully (status code exit code: 1).
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "60d081db70ed41399835daa08a1728cc80de7a1b353ab75860f771c36bf5f328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60d081db70ed41399835daa08a1728cc80de7a1b353ab75860f771c36bf5f328", kill_on_drop: false }`
[INFO] [stdout] 60d081db70ed41399835daa08a1728cc80de7a1b353ab75860f771c36bf5f328