[INFO] crate rspec 1.0.0-beta.4 is already in cache
[INFO] checking rspec-1.0.0-beta.4 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate rspec 1.0.0-beta.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rspec 1.0.0-beta.4 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rspec 1.0.0-beta.4
[INFO] finished tweaking crates.io crate rspec 1.0.0-beta.4
[INFO] tweaked toml for crates.io crate rspec 1.0.0-beta.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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] cd028a1bfabed4faa045670e634ff8a13857f290c5ccd1d1a12f22f089ff0372
[INFO] running `"docker" "start" "-a" "cd028a1bfabed4faa045670e634ff8a13857f290c5ccd1d1a12f22f089ff0372"`
[INFO] [stderr]     Checking rspec v1.0.0-beta.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/block/context.rs:20:36
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub(crate) before_all: Vec<Box<Fn(&mut T)>>,
[INFO] [stderr]    |                                    ^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut T)`
[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/block/context.rs:21:37
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub(crate) before_each: Vec<Box<Fn(&mut T)>>,
[INFO] [stderr]    |                                     ^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut T)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/block/context.rs:22:35
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub(crate) after_all: Vec<Box<Fn(&mut T)>>,
[INFO] [stderr]    |                                   ^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut T)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/block/context.rs:23:36
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub(crate) after_each: Vec<Box<Fn(&mut T)>>,
[INFO] [stderr]    |                                    ^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut T)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/block/example.rs:7:30
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub(crate) function: Box<Fn(&T) -> ExampleReport>,
[INFO] [stderr]   |                              ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> ExampleReport`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/runner/mod.rs:32:24
[INFO] [stderr]    |
[INFO] [stderr] 32 |     observers: Vec<Arc<RunnerObserver>>,
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn RunnerObserver`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/runner/mod.rs:37:65
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn new(configuration: Configuration, observers: Vec<Arc<RunnerObserver>>) -> Runner {
[INFO] [stderr]    |                                                                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn RunnerObserver`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/runner/mod.rs:63:19
[INFO] [stderr]    |
[INFO] [stderr] 63 |         F: FnMut(&RunnerObserver),
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn RunnerObserver`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Logger` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub use logger::Logger;
[INFO] [stderr]    |         -------------- the item `Logger` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 59 |     use logger::Logger;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `ConfigurationBuilder` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:60:18
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub use runner::{Configuration, ConfigurationBuilder, Runner};
[INFO] [stderr]    |                                 -------------------- the item `ConfigurationBuilder` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 60 |     use runner::{ConfigurationBuilder, Runner};
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Runner` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:60:40
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub use runner::{Configuration, ConfigurationBuilder, Runner};
[INFO] [stderr]    |                                                       ------ the item `Runner` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 60 |     use runner::{ConfigurationBuilder, Runner};
[INFO] [stderr]    |                                        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/block/context.rs:20:36
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub(crate) before_all: Vec<Box<Fn(&mut T)>>,
[INFO] [stderr]    |                                    ^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut T)`
[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/block/context.rs:21:37
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub(crate) before_each: Vec<Box<Fn(&mut T)>>,
[INFO] [stderr]    |                                     ^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut T)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/block/context.rs:22:35
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub(crate) after_all: Vec<Box<Fn(&mut T)>>,
[INFO] [stderr]    |                                   ^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut T)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/block/context.rs:23:36
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub(crate) after_each: Vec<Box<Fn(&mut T)>>,
[INFO] [stderr]    |                                    ^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut T)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/block/example.rs:7:30
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub(crate) function: Box<Fn(&T) -> ExampleReport>,
[INFO] [stderr]   |                              ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> ExampleReport`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/runner/mod.rs:32:24
[INFO] [stderr]    |
[INFO] [stderr] 32 |     observers: Vec<Arc<RunnerObserver>>,
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn RunnerObserver`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/runner/mod.rs:37:65
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn new(configuration: Configuration, observers: Vec<Arc<RunnerObserver>>) -> Runner {
[INFO] [stderr]    |                                                                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn RunnerObserver`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/runner/mod.rs:63:19
[INFO] [stderr]    |
[INFO] [stderr] 63 |         F: FnMut(&RunnerObserver),
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn RunnerObserver`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Logger` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub use logger::Logger;
[INFO] [stderr]    |         -------------- the item `Logger` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 59 |     use logger::Logger;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `ConfigurationBuilder` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:60:18
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub use runner::{Configuration, ConfigurationBuilder, Runner};
[INFO] [stderr]    |                                 -------------------- the item `ConfigurationBuilder` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 60 |     use runner::{ConfigurationBuilder, Runner};
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Runner` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:60:40
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub use runner::{Configuration, ConfigurationBuilder, Runner};
[INFO] [stderr]    |                                                       ------ the item `Runner` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 60 |     use runner::{ConfigurationBuilder, Runner};
[INFO] [stderr]    |                                        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.73s
[INFO] running `"docker" "inspect" "cd028a1bfabed4faa045670e634ff8a13857f290c5ccd1d1a12f22f089ff0372"`
[INFO] running `"docker" "rm" "-f" "cd028a1bfabed4faa045670e634ff8a13857f290c5ccd1d1a12f22f089ff0372"`
[INFO] [stdout] cd028a1bfabed4faa045670e634ff8a13857f290c5ccd1d1a12f22f089ff0372
