[INFO] fetching crate autocxx-engine 0.5.0...
[INFO] checking autocxx-engine-0.5.0 against master#339e19697a39a78f4d669c217b7d21109215de41 for pr-81213
[INFO] extracting crate autocxx-engine 0.5.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate autocxx-engine 0.5.0 on toolchain 339e19697a39a78f4d669c217b7d21109215de41
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate autocxx-engine 0.5.0
[INFO] finished tweaking crates.io crate autocxx-engine 0.5.0
[INFO] tweaked toml for crates.io crate autocxx-engine 0.5.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31a2d3c30f730498f345d34d1aafab33a01aacb9ac3f70f79bc3ac12449d8bd7
[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" "31a2d3c30f730498f345d34d1aafab33a01aacb9ac3f70f79bc3ac12449d8bd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31a2d3c30f730498f345d34d1aafab33a01aacb9ac3f70f79bc3ac12449d8bd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31a2d3c30f730498f345d34d1aafab33a01aacb9ac3f70f79bc3ac12449d8bd7", kill_on_drop: false }`
[INFO] [stdout] 31a2d3c30f730498f345d34d1aafab33a01aacb9ac3f70f79bc3ac12449d8bd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e75b58c8625f2a7af244101f7dae34ff0a2a63996b9e8f4017e030b2a3f8a7a4
[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" "e75b58c8625f2a7af244101f7dae34ff0a2a63996b9e8f4017e030b2a3f8a7a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.59
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.28
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling autocxx-bindgen v0.56.1
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking shlex v0.1.1
[INFO] [stderr]     Checking cc v1.0.66
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling trybuild v1.0.38
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking peeking_take_while v0.1.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking dunce v1.0.1
[INFO] [stderr]     Checking rust_info v0.3.1
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]    Compiling link-cplusplus v1.0.5
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling cxx v1.0.28
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking log v0.4.13
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking which v3.1.1
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stderr]     Checking codespan-reporting v0.9.5
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking env_logger v0.8.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling clang-sys v1.0.3
[INFO] [stderr]     Checking quote v1.0.8
[INFO] [stderr]     Checking cexpr v0.4.0
[INFO] [stderr]     Checking cxx-gen v0.7.28
[INFO] [stderr]    Compiling serde_derive v1.0.120
[INFO] [stderr]    Compiling cxxbridge-macro v1.0.28
[INFO] [stderr]    Compiling unzip-n v0.1.2
[INFO] [stderr]    Compiling test-env-log v0.2.5
[INFO] [stderr]     Checking serde v1.0.120
[INFO] [stderr]     Checking autocxx-engine v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 30s
[INFO] running `Command { std: "docker" "inspect" "e75b58c8625f2a7af244101f7dae34ff0a2a63996b9e8f4017e030b2a3f8a7a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e75b58c8625f2a7af244101f7dae34ff0a2a63996b9e8f4017e030b2a3f8a7a4", kill_on_drop: false }`
[INFO] [stdout] e75b58c8625f2a7af244101f7dae34ff0a2a63996b9e8f4017e030b2a3f8a7a4