[INFO] fetching crate strata 0.1.1...
[INFO] checking strata-0.1.1 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate strata 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate strata 0.1.1 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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 /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 0d2375682a9715f5d67884f3a86c31cbc91e70cb8971e981001cea03667adbc7
[INFO] running `"docker" "start" "-a" "0d2375682a9715f5d67884f3a86c31cbc91e70cb8971e981001cea03667adbc7"`
[INFO] [stderr]     Checking strata v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking quickcheck v0.8.5
[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 2.32s
[INFO] running `"docker" "inspect" "0d2375682a9715f5d67884f3a86c31cbc91e70cb8971e981001cea03667adbc7"`
[INFO] running `"docker" "rm" "-f" "0d2375682a9715f5d67884f3a86c31cbc91e70cb8971e981001cea03667adbc7"`
[INFO] [stdout] 0d2375682a9715f5d67884f3a86c31cbc91e70cb8971e981001cea03667adbc7