[INFO] fetching crate thin_main_loop 0.1.7...
[INFO] checking thin_main_loop-0.1.7 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate thin_main_loop 0.1.7 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate thin_main_loop 0.1.7 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate thin_main_loop 0.1.7
[INFO] finished tweaking crates.io crate thin_main_loop 0.1.7
[INFO] tweaked toml for crates.io crate thin_main_loop 0.1.7 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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-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" "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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] fb4aeb09d1ce6b7c8bb6b71de0e5a54f48151c39ebee4cfc84ec82f574b69082
[INFO] running `"docker" "start" "-a" "fb4aeb09d1ce6b7c8bb6b71de0e5a54f48151c39ebee4cfc84ec82f574b69082"`
[INFO] [stderr]     Checking boxfnonce v0.1.1
[INFO] [stderr]     Checking thin_main_loop v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ruststd.rs:35:47
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub (crate) fn new() -> Result<(Self, Box<SendFnOnce>), MainLoopError> {
[INFO] [stderr]    |                                               ^^^^^^^^^^ help: use `dyn`: `dyn SendFnOnce`
[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]   --> src/mainloop.rs:59:59
[INFO] [stderr]    |
[INFO] [stderr] 59 |     static ref THREAD_SENDER: Mutex<HashMap<ThreadId, Box<SendFnOnce>>> = Default::default();
[INFO] [stderr]    |                                                           ^^^^^^^^^^ help: use `dyn`: `dyn SendFnOnce`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:44:15
[INFO] [stderr]    |
[INFO] [stderr] 44 |     Other(Box<std::error::Error>),
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:83:12
[INFO] [stderr]    |
[INFO] [stderr] 83 |     IO(Box<IOAble + 'a>),
[INFO] [stderr]    |            ^^^^^^^^^^^ help: use `dyn`: `dyn IOAble + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ruststd.rs:35:47
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub (crate) fn new() -> Result<(Self, Box<SendFnOnce>), MainLoopError> {
[INFO] [stderr]    |                                               ^^^^^^^^^^ help: use `dyn`: `dyn SendFnOnce`
[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]   --> src/mainloop.rs:59:59
[INFO] [stderr]    |
[INFO] [stderr] 59 |     static ref THREAD_SENDER: Mutex<HashMap<ThreadId, Box<SendFnOnce>>> = Default::default();
[INFO] [stderr]    |                                                           ^^^^^^^^^^ help: use `dyn`: `dyn SendFnOnce`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:44:15
[INFO] [stderr]    |
[INFO] [stderr] 44 |     Other(Box<std::error::Error>),
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:83:12
[INFO] [stderr]    |
[INFO] [stderr] 83 |     IO(Box<IOAble + 'a>),
[INFO] [stderr]    |            ^^^^^^^^^^^ help: use `dyn`: `dyn IOAble + 'a`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `"docker" "inspect" "fb4aeb09d1ce6b7c8bb6b71de0e5a54f48151c39ebee4cfc84ec82f574b69082"`
[INFO] running `"docker" "rm" "-f" "fb4aeb09d1ce6b7c8bb6b71de0e5a54f48151c39ebee4cfc84ec82f574b69082"`
[INFO] [stdout] fb4aeb09d1ce6b7c8bb6b71de0e5a54f48151c39ebee4cfc84ec82f574b69082