[INFO] fetching crate atomic-batcher 0.8.2...
[INFO] checking atomic-batcher-0.8.2 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate atomic-batcher 0.8.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate atomic-batcher 0.8.2 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate atomic-batcher 0.8.2
[INFO] finished tweaking crates.io crate atomic-batcher 0.8.2
[INFO] tweaked toml for crates.io crate atomic-batcher 0.8.2 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] c0f5adc638c98d12a025a8d573df56d112846631bc2abf2a29cdfa446ebd0d4d
[INFO] running `"docker" "start" "-a" "c0f5adc638c98d12a025a8d573df56d112846631bc2abf2a29cdfa446ebd0d4d"`
[INFO] [stderr]     Checking atomic-batcher v0.8.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:61:15
[INFO] [stderr]    |
[INFO] [stderr] 61 | type Cb = Arc<Fn(Result<(), &'static str>) -> () + Send + Sync>;
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Result<(), &'static str>) -> () + Send + Sync`
[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/lib.rs:72:12
[INFO] [stderr]    |
[INFO] [stderr] 72 |   run: Arc<Fn(Vec<T>, Batcher<T>) -> () + Send + Sync>,
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec<T>, Batcher<T>) -> () + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:77:23
[INFO] [stderr]    |
[INFO] [stderr] 77 |   pub fn new(run: Arc<Fn(Vec<T>, Batcher<T>) -> () + Send + Sync>) -> Self {
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec<T>, Batcher<T>) -> () + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:61:15
[INFO] [stderr]    |
[INFO] [stderr] 61 | type Cb = Arc<Fn(Result<(), &'static str>) -> () + Send + Sync>;
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Result<(), &'static str>) -> () + Send + Sync`
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:2:24
[INFO] [stderr]    |
[INFO] [stderr] 2  | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    = note: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:72:12
[INFO] [stderr]    |
[INFO] [stderr] 72 |   run: Arc<Fn(Vec<T>, Batcher<T>) -> () + Send + Sync>,
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec<T>, Batcher<T>) -> () + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:77:23
[INFO] [stderr]    |
[INFO] [stderr] 77 |   pub fn new(run: Arc<Fn(Vec<T>, Batcher<T>) -> () + Send + Sync>) -> Self {
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Vec<T>, Batcher<T>) -> () + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `atomic-batcher`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "c0f5adc638c98d12a025a8d573df56d112846631bc2abf2a29cdfa446ebd0d4d"`
[INFO] running `"docker" "rm" "-f" "c0f5adc638c98d12a025a8d573df56d112846631bc2abf2a29cdfa446ebd0d4d"`
[INFO] [stdout] c0f5adc638c98d12a025a8d573df56d112846631bc2abf2a29cdfa446ebd0d4d