[INFO] fetching crate cxx 0.3.7...
[INFO] checking cxx-0.3.7 against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] extracting crate cxx 0.3.7 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cxx 0.3.7 on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cxx 0.3.7
[INFO] finished tweaking crates.io crate cxx 0.3.7
[INFO] tweaked toml for crates.io crate cxx 0.3.7 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "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 cxx-test-suite v0.0.0
[INFO] [stderr]   Downloaded cxx-build v0.3.7
[INFO] [stderr]   Downloaded cxxbridge-flags v0.3.7
[INFO] [stderr]   Downloaded cxxbridge-macro v0.3.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+05c8870159e4f328578a970e125aa76d24f03b56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6d0a4f36eca32328a7de344e06f12070c00450fa93d757f93d13bad5b070b31
[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" "c6d0a4f36eca32328a7de344e06f12070c00450fa93d757f93d13bad5b070b31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6d0a4f36eca32328a7de344e06f12070c00450fa93d757f93d13bad5b070b31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6d0a4f36eca32328a7de344e06f12070c00450fa93d757f93d13bad5b070b31", kill_on_drop: false }`
[INFO] [stdout] c6d0a4f36eca32328a7de344e06f12070c00450fa93d757f93d13bad5b070b31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9b04a097c34c101b97fecac9cb8686b5305a067853b94d6f7044a5930b19a084
[INFO] running `Command { std: "docker" "start" "-a" "9b04a097c34c101b97fecac9cb8686b5305a067853b94d6f7044a5930b19a084", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling cxxbridge-flags v0.3.7
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling rustversion v1.0.3
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking dissimilar v1.0.2
[INFO] [stderr]     Checking cc v1.0.59
[INFO] [stderr]     Checking cxx-test-suite v0.0.0
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]     Checking codespan-reporting v0.9.5
[INFO] [stderr]    Compiling link-cplusplus v1.0.2
[INFO] [stdout] error: expected item, found `@`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cxx-test-suite-0.0.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | @
[INFO] [stdout]   | ^ expected item
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cxx-test-suite`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9b04a097c34c101b97fecac9cb8686b5305a067853b94d6f7044a5930b19a084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b04a097c34c101b97fecac9cb8686b5305a067853b94d6f7044a5930b19a084", kill_on_drop: false }`
[INFO] [stdout] 9b04a097c34c101b97fecac9cb8686b5305a067853b94d6f7044a5930b19a084