[INFO] updating cached repository https://github.com/Jxspy/rust-qml
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 88bc0311a06ac60e4d7b8567c1d121206943fa03
[INFO] testing Jxspy/rust-qml against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJxspy%2Frust-qml" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jxspy/rust-qml on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Jxspy/rust-qml
[INFO] finished tweaking git repo https://github.com/Jxspy/rust-qml
[INFO] tweaked toml for git repo https://github.com/Jxspy/rust-qml written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/Jxspy/rust-qml already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-6/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/alexcrichton/pkg-config-rs`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7273b548b31102757be218da388d75abf46eeaebdb4f1498d9053c1a067b8b5d
[INFO] running `"docker" "start" "-a" "7273b548b31102757be218da388d75abf46eeaebdb4f1498d9053c1a067b8b5d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling pkg-config v0.3.17 (https://github.com/alexcrichton/pkg-config-rs#ef356f30)
[INFO] [stderr]    Compiling qmlrs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `QVariant`
[INFO] [stderr]  --> src/lib.rs:5:11
[INFO] [stderr]   |
[INFO] [stderr] 5 | use ffi::{QVariant, QrsEngine, QObject};
[INFO] [stderr]   |           ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stderr]    --> src/variant.rs:12:45
[INFO] [stderr]     |
[INFO] [stderr] 12  |   fn from_qvariant(arg: *const QVariant) -> Option<Self>;
[INFO] [stderr]     |                                             ^^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stderr]     |
[INFO] [stderr]     = help: the trait `std::marker::Sized` is not implemented for `Self`
[INFO] [stderr]     = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait>
[INFO] [stderr] help: consider further restricting `Self`
[INFO] [stderr]     |
[INFO] [stderr] 12  |   fn from_qvariant(arg: *const QVariant) -> Option<Self> where Self: std::marker::Sized;
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `qmlrs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7273b548b31102757be218da388d75abf46eeaebdb4f1498d9053c1a067b8b5d"`
[INFO] running `"docker" "rm" "-f" "7273b548b31102757be218da388d75abf46eeaebdb4f1498d9053c1a067b8b5d"`
[INFO] [stdout] 7273b548b31102757be218da388d75abf46eeaebdb4f1498d9053c1a067b8b5d