[INFO] crate reqchan 0.5.8 is already in cache
[INFO] checking reqchan-0.5.8 against master#212aa3ea28d91a97d1e1261709c0b6e6790788e6 for pr-69340
[INFO] extracting crate reqchan 0.5.8 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate reqchan 0.5.8 on toolchain 212aa3ea28d91a97d1e1261709c0b6e6790788e6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate reqchan 0.5.8
[INFO] finished tweaking crates.io crate reqchan 0.5.8
[INFO] tweaked toml for crates.io crate reqchan 0.5.8 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "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] 91c314f949141687277d9a4bcb7f087278afee2dfae043ee85de146d38ec1ffb
[INFO] running `"docker" "start" "-a" "91c314f949141687277d9a4bcb7f087278afee2dfae043ee85de146d38ec1ffb"`
[INFO] [stderr]     Checking reqchan v0.5.8 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:715:21
[INFO] [stderr]     |
[INFO] [stderr] 715 |     type Task = Box<FnBox + Send + 'static>;
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send + 'static`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/single_threaded.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 | type Task = Box<FnBox + Send + 'static>;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/multi_threaded_one_requester_one_responder.rs:18:17
[INFO] [stderr]    |
[INFO] [stderr] 18 | type Task = Box<FnBox + Send + 'static>;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/multi_threaded_one_requester_two_responders.rs:18:17
[INFO] [stderr]    |
[INFO] [stderr] 18 | type Task = Box<FnBox + Send + 'static>;
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `"docker" "inspect" "91c314f949141687277d9a4bcb7f087278afee2dfae043ee85de146d38ec1ffb"`
[INFO] running `"docker" "rm" "-f" "91c314f949141687277d9a4bcb7f087278afee2dfae043ee85de146d38ec1ffb"`
[INFO] [stdout] 91c314f949141687277d9a4bcb7f087278afee2dfae043ee85de146d38ec1ffb