[INFO] cloning repository https://github.com/ivlevdenis/rust_qt_qml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ivlevdenis/rust_qt_qml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivlevdenis%2Frust_qt_qml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivlevdenis%2Frust_qt_qml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3af1c958a1195e392d214a8da2e8367600c18dec
[INFO] checking ivlevdenis/rust_qt_qml against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivlevdenis%2Frust_qt_qml" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ivlevdenis/rust_qt_qml on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ivlevdenis/rust_qt_qml
[INFO] finished tweaking git repo https://github.com/ivlevdenis/rust_qt_qml
[INFO] tweaked toml for git repo https://github.com/ivlevdenis/rust_qt_qml written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/ivlevdenis/rust_qt_qml already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71bc0f4a14d7bfbfa853614c7cbb69c99aea46715ea7ccd9de3ecdd07e61ab96
[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" "71bc0f4a14d7bfbfa853614c7cbb69c99aea46715ea7ccd9de3ecdd07e61ab96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71bc0f4a14d7bfbfa853614c7cbb69c99aea46715ea7ccd9de3ecdd07e61ab96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71bc0f4a14d7bfbfa853614c7cbb69c99aea46715ea7ccd9de3ecdd07e61ab96", kill_on_drop: false }`
[INFO] [stdout] 71bc0f4a14d7bfbfa853614c7cbb69c99aea46715ea7ccd9de3ecdd07e61ab96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94de72379ba34dffcaf65e45366f8907053083ce59d931a37e36fcd5c95835b6
[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" "94de72379ba34dffcaf65e45366f8907053083ce59d931a37e36fcd5c95835b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustcxx_common v0.1.0 (https://github.com/google/rustcxx.git#7a662d8c)
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/rustcxx-688d089645a4aea5/7a662d8/common/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | extern crate syntax;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustcxx_common` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "94de72379ba34dffcaf65e45366f8907053083ce59d931a37e36fcd5c95835b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94de72379ba34dffcaf65e45366f8907053083ce59d931a37e36fcd5c95835b6", kill_on_drop: false }`
[INFO] [stdout] 94de72379ba34dffcaf65e45366f8907053083ce59d931a37e36fcd5c95835b6