[INFO] updating cached repository https://github.com/wappuradio/rust-tlink
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 684d11104b6f7491f635f2de7ad14fa29808775d
[INFO] checking wappuradio/rust-tlink against try#0ab79c4b48ad19260fa46623f452c1b403a360e8 for pr-74315
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwappuradio%2Frust-tlink" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wappuradio/rust-tlink on toolchain 0ab79c4b48ad19260fa46623f452c1b403a360e8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wappuradio/rust-tlink
[INFO] finished tweaking git repo https://github.com/wappuradio/rust-tlink
[INFO] tweaked toml for git repo https://github.com/wappuradio/rust-tlink written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/wappuradio/rust-tlink already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 675be53e19be3a62b8947853ce292e7138046bf6ac428aa5a8266781bb8c0e92
[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" "675be53e19be3a62b8947853ce292e7138046bf6ac428aa5a8266781bb8c0e92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "675be53e19be3a62b8947853ce292e7138046bf6ac428aa5a8266781bb8c0e92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "675be53e19be3a62b8947853ce292e7138046bf6ac428aa5a8266781bb8c0e92", kill_on_drop: false }`
[INFO] [stdout] 675be53e19be3a62b8947853ce292e7138046bf6ac428aa5a8266781bb8c0e92
[INFO] running `Command { std: "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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d82b8ce23e9976acc81ddbc247d760b6532e3c9d666e666507f60b5ca3434161
[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" "d82b8ce23e9976acc81ddbc247d760b6532e3c9d666e666507f60b5ca3434161", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling cc v1.0.9
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]    Compiling gstreamer v0.11.0
[INFO] [stderr]     Checking muldiv v0.1.1
[INFO] [stderr]     Checking send-cell v0.1.3
[INFO] [stderr]     Checking byte-slice-cast v0.1.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling glib-sys v0.6.0
[INFO] [stderr]    Compiling gobject-sys v0.6.0
[INFO] [stderr]    Compiling gstreamer-sys v0.5.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking glib v0.5.0
[INFO] [stdout] error[E0596]: cannot borrow `**func` as mutable, as it is behind a `*const` pointer
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gstreamer-0.11.0/src/iterator.rs:439:8
[INFO] [stdout]     |
[INFO] [stdout] 435 |     let func = func as *const &mut (FnMut(T) -> bool);
[INFO] [stdout]     |         ---- help: consider changing this to be a mutable pointer: `*mut &mut dyn std::ops::FnMut(T) -> bool`
[INFO] [stdout] ...
[INFO] [stdout] 439 |     if (*func)(value) {
[INFO] [stdout]     |        ^^^^^^^ `func` is a `*const` pointer, so the data it refers to cannot be borrowed as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `**func` as mutable, as it is behind a `*const` pointer
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gstreamer-0.11.0/src/iterator.rs:455:5
[INFO] [stdout]     |
[INFO] [stdout] 451 |     let func = func as *const &mut (FnMut(T));
[INFO] [stdout]     |         ---- help: consider changing this to be a mutable pointer: `*mut &mut dyn std::ops::FnMut(T)`
[INFO] [stdout] ...
[INFO] [stdout] 455 |     (*func)(value);
[INFO] [stdout]     |     ^^^^^^^ `func` is a `*const` pointer, so the data it refers to cannot be borrowed as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `**func` as mutable, as it is behind a `*const` pointer
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gstreamer-0.11.0/src/iterator.rs:473:11
[INFO] [stdout]     |
[INFO] [stdout] 467 |     let func = func as *const &mut (FnMut(U, T) -> Result<U, U>);
[INFO] [stdout]     |         ---- help: consider changing this to be a mutable pointer: `*mut &mut dyn std::ops::FnMut(U, T) -> std::result::Result<U, U>`
[INFO] [stdout] ...
[INFO] [stdout] 473 |     match (*func)(accum.take().unwrap(), value) {
[INFO] [stdout]     |           ^^^^^^^ `func` is a `*const` pointer, so the data it refers to cannot be borrowed as mutable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gstreamer`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d82b8ce23e9976acc81ddbc247d760b6532e3c9d666e666507f60b5ca3434161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d82b8ce23e9976acc81ddbc247d760b6532e3c9d666e666507f60b5ca3434161", kill_on_drop: false }`
[INFO] [stdout] d82b8ce23e9976acc81ddbc247d760b6532e3c9d666e666507f60b5ca3434161