[INFO] crate strata 0.1.1 is already in cache
[INFO] checking strata-0.1.1 against master#4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb for pr-64672
[INFO] extracting crate strata 0.1.1 into work/builds/worker-3/source
[INFO] validating manifest of crates.io crate strata 0.1.1 on toolchain 4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate strata 0.1.1
[INFO] finished tweaking crates.io crate strata 0.1.1
[INFO] tweaked toml for crates.io crate strata 0.1.1 written to work/builds/worker-3/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 21d63d12a40c6714f29e095d8224aa89ce29b893897d5079901c62f44ed7d521
[INFO] running `"docker" "start" "-a" "21d63d12a40c6714f29e095d8224aa89ce29b893897d5079901c62f44ed7d521"`
[INFO] [stderr]     Checking strata v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1112:33
[INFO] [stderr]      |
[INFO] [stderr] 1112 |         fn shrink(&self) -> Box<Iterator<Item = Self>> {
[INFO] [stderr]      |                                 ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self>`
[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:1881:51
[INFO] [stderr]      |
[INFO] [stderr] 1881 |         fn clone_quickcheck_algebra(&self) -> Box<QuickcheckAlgebra + Send>;
[INFO] [stderr]      |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn QuickcheckAlgebra + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1888:51
[INFO] [stderr]      |
[INFO] [stderr] 1888 |         fn clone_quickcheck_algebra(&self) -> Box<QuickcheckAlgebra + Send> {
[INFO] [stderr]      |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn QuickcheckAlgebra + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1894:37
[INFO] [stderr]      |
[INFO] [stderr] 1894 |     struct ArbitraryAlgebraTree(Box<QuickcheckAlgebra + Send>);
[INFO] [stderr]      |                                     ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn QuickcheckAlgebra + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1937:32
[INFO] [stderr]      |
[INFO] [stderr] 1937 |                     let c: Box<QuickcheckAlgebra + Send> = match g.gen_range(0, 7) {
[INFO] [stderr]      |                                ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn QuickcheckAlgebra + Send`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `"docker" "inspect" "21d63d12a40c6714f29e095d8224aa89ce29b893897d5079901c62f44ed7d521"`
[INFO] running `"docker" "rm" "-f" "21d63d12a40c6714f29e095d8224aa89ce29b893897d5079901c62f44ed7d521"`
[INFO] [stdout] 21d63d12a40c6714f29e095d8224aa89ce29b893897d5079901c62f44ed7d521