[INFO] cloning repository https://github.com/strvworks/cxx-practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/strvworks/cxx-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstrvworks%2Fcxx-practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstrvworks%2Fcxx-practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b0de66797ef1cd45b754f47b9c13a8a65b96d38b
[INFO] testing strvworks/cxx-practice against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstrvworks%2Fcxx-practice" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/strvworks/cxx-practice on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/strvworks/cxx-practice
[INFO] finished tweaking git repo https://github.com/strvworks/cxx-practice
[INFO] tweaked toml for git repo https://github.com/strvworks/cxx-practice written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/strvworks/cxx-practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d74fa50a9f9061a5e5a328f9933346391d1e7b073973dc1d0c6a8d75a9203a25
[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" "d74fa50a9f9061a5e5a328f9933346391d1e7b073973dc1d0c6a8d75a9203a25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d74fa50a9f9061a5e5a328f9933346391d1e7b073973dc1d0c6a8d75a9203a25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d74fa50a9f9061a5e5a328f9933346391d1e7b073973dc1d0c6a8d75a9203a25", kill_on_drop: false }`
[INFO] [stdout] d74fa50a9f9061a5e5a328f9933346391d1e7b073973dc1d0c6a8d75a9203a25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb16ee3f5f79aa69a7725853f94c9cbd86193cf50da812c0e8f1cf4c5b6a51bf
[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" "eb16ee3f5f79aa69a7725853f94c9cbd86193cf50da812c0e8f1cf4c5b6a51bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling scratch v1.0.0
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.54
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling link-cplusplus v1.0.5
[INFO] [stderr]    Compiling cxx v1.0.54
[INFO] [stderr]    Compiling cxx-build v1.0.54
[INFO] [stderr]    Compiling cxxbridge-macro v1.0.54
[INFO] [stderr]    Compiling cxx_tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `cxx_tutorial v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/cxx_tutorial-a5b5a14fd3457fa6/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   error[cxxbridge]: expected `,`
[INFO] [stderr]      ┌─ src/main.rs:19:15
[INFO] [stderr]      │
[INFO] [stderr]   19 │     pos: usize;
[INFO] [stderr]      │               ^ expected `,`
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "eb16ee3f5f79aa69a7725853f94c9cbd86193cf50da812c0e8f1cf4c5b6a51bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb16ee3f5f79aa69a7725853f94c9cbd86193cf50da812c0e8f1cf4c5b6a51bf", kill_on_drop: false }`
[INFO] [stdout] eb16ee3f5f79aa69a7725853f94c9cbd86193cf50da812c0e8f1cf4c5b6a51bf