[INFO] cloning 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" "clone" "--bare" "https://github.com/wappuradio/rust-tlink" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwappuradio%2Frust-tlink", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwappuradio%2Frust-tlink'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 684d11104b6f7491f635f2de7ad14fa29808775d
[INFO] testing wappuradio/rust-tlink against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwappuradio%2Frust-tlink" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wappuradio/rust-tlink on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-3/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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.2
[INFO] [stderr]   Downloaded tokio-timer v0.2.1
[INFO] [stderr]   Downloaded byte-slice-cast v0.1.0
[INFO] [stderr]   Downloaded glib v0.5.0
[INFO] [stderr]   Downloaded glib-sys v0.6.0
[INFO] [stderr]   Downloaded gobject-sys v0.6.0
[INFO] [stderr]   Downloaded tokio v0.1.5
[INFO] [stderr]   Downloaded gstreamer-sys v0.5.0
[INFO] [stderr]   Downloaded muldiv v0.1.1
[INFO] [stderr]   Downloaded send-cell v0.1.3
[INFO] [stderr]   Downloaded gstreamer v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2959d0f019b383ceb5000615fa800b8dfca1d3f5b4d294cb3876bcccd572dc0
[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" "c2959d0f019b383ceb5000615fa800b8dfca1d3f5b4d294cb3876bcccd572dc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2959d0f019b383ceb5000615fa800b8dfca1d3f5b4d294cb3876bcccd572dc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2959d0f019b383ceb5000615fa800b8dfca1d3f5b4d294cb3876bcccd572dc0", kill_on_drop: false }`
[INFO] [stdout] c2959d0f019b383ceb5000615fa800b8dfca1d3f5b4d294cb3876bcccd572dc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4da9f6228faa46d7e3cec145a458e979f540e8bea574013158450cde8abe1b4f
[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" "4da9f6228faa46d7e3cec145a458e979f540e8bea574013158450cde8abe1b4f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling cc v1.0.9
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.7
[INFO] [stderr]    Compiling gstreamer v0.11.0
[INFO] [stderr]    Compiling muldiv v0.1.1
[INFO] [stderr]    Compiling byte-slice-cast v0.1.0
[INFO] [stderr]    Compiling send-cell v0.1.3
[INFO] [stderr]    Compiling syn v0.11.11
[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 num-integer v0.1.36
[INFO] [stderr]    Compiling 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]    Compiling 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 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 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 FnMut(U, T) -> 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]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling failure v0.1.1
[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` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "4da9f6228faa46d7e3cec145a458e979f540e8bea574013158450cde8abe1b4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4da9f6228faa46d7e3cec145a458e979f540e8bea574013158450cde8abe1b4f", kill_on_drop: false }`
[INFO] [stdout] 4da9f6228faa46d7e3cec145a458e979f540e8bea574013158450cde8abe1b4f