[INFO] updating cached repository https://github.com/xeals/subs
[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] a16a6d8d8a8be71874904e5a476744e1d3ff55af
[INFO] checking xeals/subs against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxeals%2Fsubs" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xeals/subs on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/xeals/subs
[INFO] removed path dependency sunk from git repo https://github.com/xeals/subs
[INFO] finished tweaking git repo https://github.com/xeals/subs
[INFO] tweaked toml for git repo https://github.com/xeals/subs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/xeals/subs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: dependency (sunk) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 03f8894ee5c8e059f102688475ff64fd5e243604d5af04a6ccb72843f83c85da
[INFO] running `"docker" "start" "-a" "03f8894ee5c8e059f102688475ff64fd5e243604d5af04a6ccb72843f83c85da"`
[INFO] [stderr] warning: dependency (sunk) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling gstreamer v0.10.2
[INFO] [stderr]     Checking muldiv v0.1.1
[INFO] [stderr]    Compiling glib-sys v0.5.0
[INFO] [stderr]    Compiling gobject-sys v0.5.0
[INFO] [stderr]    Compiling gstreamer-sys v0.4.0
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking structopt v0.1.7
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]     Checking serde-hjson v0.8.2
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking crossbeam-epoch v0.4.3
[INFO] [stderr]     Checking fern v0.5.9
[INFO] [stderr]     Checking tokio-threadpool v0.1.17
[INFO] [stderr]     Checking crossbeam-channel v0.1.3
[INFO] [stderr]     Checking tokio-reactor v0.1.11
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking glib v0.4.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr] error[E0596]: cannot borrow `**func` as mutable, as it is behind a `*const` pointer
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gstreamer-0.10.2/src/iterator.rs:439:8
[INFO] [stderr]     |
[INFO] [stderr] 435 |     let func = func as *const &mut (FnMut(T) -> bool);
[INFO] [stderr]     |         ---- help: consider changing this to be a mutable pointer: `*mut &mut dyn std::ops::FnMut(T) -> bool`
[INFO] [stderr] ...
[INFO] [stderr] 439 |     if (*func)(value) {
[INFO] [stderr]     |        ^^^^^^^ `func` is a `*const` pointer, so the data it refers to cannot be borrowed as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `**func` as mutable, as it is behind a `*const` pointer
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gstreamer-0.10.2/src/iterator.rs:455:5
[INFO] [stderr]     |
[INFO] [stderr] 451 |     let func = func as *const &mut (FnMut(T));
[INFO] [stderr]     |         ---- help: consider changing this to be a mutable pointer: `*mut &mut dyn std::ops::FnMut(T)`
[INFO] [stderr] ...
[INFO] [stderr] 455 |     (*func)(value);
[INFO] [stderr]     |     ^^^^^^^ `func` is a `*const` pointer, so the data it refers to cannot be borrowed as mutable
[INFO] [stderr] 
[INFO] [stderr] error[E0596]: cannot borrow `**func` as mutable, as it is behind a `*const` pointer
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gstreamer-0.10.2/src/iterator.rs:473:11
[INFO] [stderr]     |
[INFO] [stderr] 467 |     let func = func as *const &mut (FnMut(U, T) -> Result<U, U>);
[INFO] [stderr]     |         ---- help: consider changing this to be a mutable pointer: `*mut &mut dyn std::ops::FnMut(U, T) -> std::result::Result<U, U>`
[INFO] [stderr] ...
[INFO] [stderr] 473 |     match (*func)(accum.take().unwrap(), value) {
[INFO] [stderr]     |           ^^^^^^^ `func` is a `*const` pointer, so the data it refers to cannot be borrowed as mutable
[INFO] [stderr] 
[INFO] [stderr]     Checking serde v1.0.103
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0596`.
[INFO] [stderr] error: could not compile `gstreamer`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "03f8894ee5c8e059f102688475ff64fd5e243604d5af04a6ccb72843f83c85da"`
[INFO] running `"docker" "rm" "-f" "03f8894ee5c8e059f102688475ff64fd5e243604d5af04a6ccb72843f83c85da"`
[INFO] [stdout] 03f8894ee5c8e059f102688475ff64fd5e243604d5af04a6ccb72843f83c85da