[INFO] fetching crate fp-core 0.1.8...
[INFO] checking fp-core-0.1.8 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate fp-core 0.1.8 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate fp-core 0.1.8 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate fp-core 0.1.8
[INFO] finished tweaking crates.io crate fp-core 0.1.8
[INFO] tweaked toml for crates.io crate fp-core 0.1.8 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 21834a4c341d4ad67c594ee820d7d95ea8e74fdbe728190babf41a4b160301ae
[INFO] running `"docker" "start" "-a" "21834a4c341d4ad67c594ee820d7d95ea8e74fdbe728190babf41a4b160301ae"`
[INFO] [stderr]     Checking fp-core v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lens.rs:2:24
[INFO] [stderr]   |
[INFO] [stderr] 2 |     fn over(s: &S, f: &Fn(Option<&A>) -> A) -> S {
[INFO] [stderr]   |                        ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<&A>) -> A`
[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/lens.rs:2:24
[INFO] [stderr]   |
[INFO] [stderr] 2 |     fn over(s: &S, f: &Fn(Option<&A>) -> A) -> S {
[INFO] [stderr]   |                        ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Option<&A>) -> A`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "21834a4c341d4ad67c594ee820d7d95ea8e74fdbe728190babf41a4b160301ae"`
[INFO] running `"docker" "rm" "-f" "21834a4c341d4ad67c594ee820d7d95ea8e74fdbe728190babf41a4b160301ae"`
[INFO] [stdout] 21834a4c341d4ad67c594ee820d7d95ea8e74fdbe728190babf41a4b160301ae