[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 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstrvworks%2Fcxx-practice" "/workspace/builds/worker-34/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-34/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/strvworks/cxx-practice on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-34/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" "+1.60.0" "fetch" "--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 scratch v1.0.0
[INFO] [stderr]   Downloaded cxx-build v1.0.54
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.54
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.54
[INFO] [stderr]   Downloaded cxx v1.0.54
[INFO] [stderr]   Downloaded link-cplusplus v1.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66d577a1f198d1d778ce532b913383e79650998b0e78b96606963255e128d186
[INFO] running `Command { std: "docker" "start" "-a" "66d577a1f198d1d778ce532b913383e79650998b0e78b96606963255e128d186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66d577a1f198d1d778ce532b913383e79650998b0e78b96606963255e128d186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66d577a1f198d1d778ce532b913383e79650998b0e78b96606963255e128d186", kill_on_drop: false }`
[INFO] [stdout] 66d577a1f198d1d778ce532b913383e79650998b0e78b96606963255e128d186
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3427d64ba2a8c8733322a049552c4ec196d43549dca0f1e61e4512830aeec155
[INFO] running `Command { std: "docker" "start" "-a" "3427d64ba2a8c8733322a049552c4ec196d43549dca0f1e61e4512830aeec155", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling cc v1.0.70
[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 unicode-width v0.1.8
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.54
[INFO] [stderr]    Compiling lazy_static v1.4.0
[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-f30454cfb6c4c80c/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] running `Command { std: "docker" "inspect" "3427d64ba2a8c8733322a049552c4ec196d43549dca0f1e61e4512830aeec155", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3427d64ba2a8c8733322a049552c4ec196d43549dca0f1e61e4512830aeec155", kill_on_drop: false }`
[INFO] [stdout] 3427d64ba2a8c8733322a049552c4ec196d43549dca0f1e61e4512830aeec155