[INFO] crate predicates-tree 1.0.0 is already in cache
[INFO] checking predicates-tree-1.0.0 against master#73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de for pr-68325
[INFO] extracting crate predicates-tree 1.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate predicates-tree 1.0.0 on toolchain 73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate predicates-tree 1.0.0
[INFO] finished tweaking crates.io crate predicates-tree 1.0.0
[INFO] tweaked toml for crates.io crate predicates-tree 1.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "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] 240c52c5f755145360b1c012fe49c54768d0d6f8f408514d897d4c5702924e76
[INFO] running `"docker" "start" "-a" "240c52c5f755145360b1c012fe49c54768d0d6f8f408514d897d4c5702924e76"`
[INFO] [stderr]     Checking predicates-tree v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:30:41
[INFO] [stderr]    |
[INFO] [stderr] 30 | type CaseTreeInner = treeline::Tree<Box<fmt::Display>>;
[INFO] [stderr]    |                                         ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[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:37:27
[INFO] [stderr]    |
[INFO] [stderr] 37 |             let root: Box<fmt::Display> = Box::new(item.to_string());
[INFO] [stderr]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:43:23
[INFO] [stderr]    |
[INFO] [stderr] 43 |         let root: Box<fmt::Display> = Box::new(item.to_string());
[INFO] [stderr]    |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:30:41
[INFO] [stderr]    |
[INFO] [stderr] 30 | type CaseTreeInner = treeline::Tree<Box<fmt::Display>>;
[INFO] [stderr]    |                                         ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[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:37:27
[INFO] [stderr]    |
[INFO] [stderr] 37 |             let root: Box<fmt::Display> = Box::new(item.to_string());
[INFO] [stderr]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:43:23
[INFO] [stderr]    |
[INFO] [stderr] 43 |         let root: Box<fmt::Display> = Box::new(item.to_string());
[INFO] [stderr]    |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn fmt::Display`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `"docker" "inspect" "240c52c5f755145360b1c012fe49c54768d0d6f8f408514d897d4c5702924e76"`
[INFO] running `"docker" "rm" "-f" "240c52c5f755145360b1c012fe49c54768d0d6f8f408514d897d4c5702924e76"`
[INFO] [stdout] 240c52c5f755145360b1c012fe49c54768d0d6f8f408514d897d4c5702924e76