[INFO] updating cached repository https://github.com/ischeinkman/MediaSync
[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] 4f59f881dceb09a74f2803b6b74287bfb709c25e
[INFO] checking ischeinkman/MediaSync against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fischeinkman%2FMediaSync" "/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/ischeinkman/MediaSync on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ischeinkman/MediaSync
[INFO] finished tweaking git repo https://github.com/ischeinkman/MediaSync
[INFO] tweaked toml for git repo https://github.com/ischeinkman/MediaSync written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ischeinkman/MediaSync already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "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] 7da5dd8af9099c4933db4ff5b55b49142895e3d3445a0c1ca60ee96ae9bbd04a
[INFO] running `"docker" "start" "-a" "7da5dd8af9099c4933db4ff5b55b49142895e3d3445a0c1ca60ee96ae9bbd04a"`
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking xml-rs v0.7.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling derive_is_enum_variant v0.1.1
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking http v0.1.18
[INFO] [stderr]    Compiling enum-kinds v0.4.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking dbus v0.6.5
[INFO] [stderr]     Checking crossbeam v0.7.2
[INFO] [stderr]     Checking xmltree v0.8.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking attohttpc v0.4.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking igd v0.9.1
[INFO] [stderr]    Compiling darling_core v0.5.0
[INFO] [stderr]    Compiling darling_macro v0.5.0
[INFO] [stderr]    Compiling darling v0.5.0
[INFO] [stderr]    Compiling from_variants_impl v0.4.0
[INFO] [stderr]     Checking from_variants v0.4.0
[INFO] [stderr]     Checking mpris v2.0.0-rc1
[INFO] [stderr]     Checking vlcsync v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/events.rs:94:17
[INFO] [stderr]    |
[INFO] [stderr] 94 | /                 (Some(RemoteEvent::Ping {
[INFO] [stderr] 95 | |                     payload: ping,
[INFO] [stderr] 96 | |                     timestamp,
[INFO] [stderr] 97 | |                 }))
[INFO] [stderr]    | |___________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 94 |                 Some(RemoteEvent::Ping {
[INFO] [stderr] 95 |                     payload: ping,
[INFO] [stderr] 96 |                     timestamp,
[INFO] [stderr] 97 |                 })
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/events.rs:102:17
[INFO] [stderr]     |
[INFO] [stderr] 102 |                 (Some(RemoteEvent::Jump(Duration::from_micros(next.count_u64()))))
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/events.rs:94:17
[INFO] [stderr]    |
[INFO] [stderr] 94 | /                 (Some(RemoteEvent::Ping {
[INFO] [stderr] 95 | |                     payload: ping,
[INFO] [stderr] 96 | |                     timestamp,
[INFO] [stderr] 97 | |                 }))
[INFO] [stderr]    | |___________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 94 |                 Some(RemoteEvent::Ping {
[INFO] [stderr] 95 |                     payload: ping,
[INFO] [stderr] 96 |                     timestamp,
[INFO] [stderr] 97 |                 })
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/events.rs:102:17
[INFO] [stderr]     |
[INFO] [stderr] 102 |                 (Some(RemoteEvent::Jump(Duration::from_micros(next.count_u64()))))
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.84s
[INFO] running `"docker" "inspect" "7da5dd8af9099c4933db4ff5b55b49142895e3d3445a0c1ca60ee96ae9bbd04a"`
[INFO] running `"docker" "rm" "-f" "7da5dd8af9099c4933db4ff5b55b49142895e3d3445a0c1ca60ee96ae9bbd04a"`
[INFO] [stdout] 7da5dd8af9099c4933db4ff5b55b49142895e3d3445a0c1ca60ee96ae9bbd04a