[INFO] fetching crate autocxx 0.2.0...
[INFO] checking autocxx-0.2.0 against master#a874956d940ecb3ed524b6176a171219ac4787ea for pr-76104
[INFO] extracting crate autocxx 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate autocxx 0.2.0 on toolchain a874956d940ecb3ed524b6176a171219ac4787ea
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate autocxx 0.2.0
[INFO] finished tweaking crates.io crate autocxx 0.2.0
[INFO] tweaked toml for crates.io crate autocxx 0.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+a874956d940ecb3ed524b6176a171219ac4787ea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75fd43a5f4efab83deedf55dc7ea8416deadf5636e47bffa553ec9f52174f937
[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" "75fd43a5f4efab83deedf55dc7ea8416deadf5636e47bffa553ec9f52174f937", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75fd43a5f4efab83deedf55dc7ea8416deadf5636e47bffa553ec9f52174f937", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75fd43a5f4efab83deedf55dc7ea8416deadf5636e47bffa553ec9f52174f937", kill_on_drop: false }`
[INFO] [stdout] 75fd43a5f4efab83deedf55dc7ea8416deadf5636e47bffa553ec9f52174f937
[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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44f842a1c6c1f4f0209dcb22ef0cee8ffce2293d97858a23770cdb51c44eec29
[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" "44f842a1c6c1f4f0209dcb22ef0cee8ffce2293d97858a23770cdb51c44eec29", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling bindgen v0.55.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking peeking_take_while v0.1.2
[INFO] [stderr]     Checking cc v1.0.60
[INFO] [stderr]     Checking shlex v0.1.1
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling unindent v0.1.6
[INFO] [stderr]    Compiling clang-sys v1.0.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking memchr v2.3.3
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]     Checking libloading v0.6.3
[INFO] [stderr]     Checking codespan-reporting v0.9.5
[INFO] [stderr]    Compiling indoc v1.0.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking osstrtools v0.2.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking which v3.1.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking cexpr v0.4.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking cxx-gen v0.0.1
[INFO] [stderr]     Checking autocxx-engine v0.2.0
[INFO] [stderr]     Checking autocxx v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.99s
[INFO] running `Command { std: "docker" "inspect" "44f842a1c6c1f4f0209dcb22ef0cee8ffce2293d97858a23770cdb51c44eec29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44f842a1c6c1f4f0209dcb22ef0cee8ffce2293d97858a23770cdb51c44eec29", kill_on_drop: false }`
[INFO] [stdout] 44f842a1c6c1f4f0209dcb22ef0cee8ffce2293d97858a23770cdb51c44eec29