[INFO] fetching crate scoped-pool 1.0.0...
[INFO] checking scoped-pool-1.0.0 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate scoped-pool 1.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate scoped-pool 1.0.0 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate scoped-pool 1.0.0
[INFO] finished tweaking crates.io crate scoped-pool 1.0.0
[INFO] tweaked toml for crates.io crate scoped-pool 1.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 4c7b1908a1e3d8f038f248a62022becf62356dfd03bec71d781099ad9cb0936c
[INFO] running `"docker" "start" "-a" "4c7b1908a1e3d8f038f248a62022becf62356dfd03bec71d781099ad9cb0936c"`
[INFO] [stderr]     Checking scopeguard v0.1.2
[INFO] [stderr]     Checking variance v0.1.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking scoped-pool v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:299:34
[INFO] [stderr]     |
[INFO] [stderr] 299 |             mem::transmute::<Box<Task + Send + 'scope>,
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Task + Send + 'scope`
[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:300:34
[INFO] [stderr]     |
[INFO] [stderr] 300 | ...                   Box<Task + Send + 'static>>(Box::new(job))
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Task + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:366:14
[INFO] [stderr]     |
[INFO] [stderr] 366 |     Task(Box<Task + Send>, Arc<WaitGroup>)
[INFO] [stderr]     |              ^^^^^^^^^^^ help: use `dyn`: `dyn Task + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present
[INFO] [stderr]    --> src/lib.rs:325:44
[INFO] [stderr]     |
[INFO] [stderr] 325 |         let scope = unsafe { self.refine::<'smaller>() };
[INFO] [stderr]     |                                            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 355 |     unsafe fn refine<'other>(&self) -> Scope<'other> where 'scope: 'other {
[INFO] [stderr]     |                              - the late bound lifetime parameter is introduced here
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(late_bound_lifetime_arguments)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #42868 <https://github.com/rust-lang/rust/issues/42868>
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:299:34
[INFO] [stderr]     |
[INFO] [stderr] 299 |             mem::transmute::<Box<Task + Send + 'scope>,
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Task + Send + 'scope`
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:1:24
[INFO] [stderr]     |
[INFO] [stderr] 1   | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]     |                        ^^^^^^^^
[INFO] [stderr]     = note: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:300:34
[INFO] [stderr]     |
[INFO] [stderr] 300 | ...                   Box<Task + Send + 'static>>(Box::new(job))
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Task + Send + 'static`
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:366:14
[INFO] [stderr]     |
[INFO] [stderr] 366 |     Task(Box<Task + Send>, Arc<WaitGroup>)
[INFO] [stderr]     |              ^^^^^^^^^^^ help: use `dyn`: `dyn Task + Send`
[INFO] [stderr] 
[INFO] [stderr] error: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present
[INFO] [stderr]    --> src/lib.rs:325:44
[INFO] [stderr]     |
[INFO] [stderr] 325 |         let scope = unsafe { self.refine::<'smaller>() };
[INFO] [stderr]     |                                            ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 355 |     unsafe fn refine<'other>(&self) -> Scope<'other> where 'scope: 'other {
[INFO] [stderr]     |                              - the late bound lifetime parameter is introduced here
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:1:24
[INFO] [stderr]     |
[INFO] [stderr] 1   | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]     |                        ^^^^^^^^
[INFO] [stderr]     = note: `#[deny(late_bound_lifetime_arguments)]` implied by `#[deny(warnings)]`
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #42868 <https://github.com/rust-lang/rust/issues/42868>
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `scoped-pool`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4c7b1908a1e3d8f038f248a62022becf62356dfd03bec71d781099ad9cb0936c"`
[INFO] running `"docker" "rm" "-f" "4c7b1908a1e3d8f038f248a62022becf62356dfd03bec71d781099ad9cb0936c"`
[INFO] [stdout] 4c7b1908a1e3d8f038f248a62022becf62356dfd03bec71d781099ad9cb0936c