[INFO] fetching crate thread-pool 0.1.1...
[INFO] checking thread-pool-0.1.1 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate thread-pool 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate thread-pool 0.1.1 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate thread-pool 0.1.1
[INFO] finished tweaking crates.io crate thread-pool 0.1.1
[INFO] tweaked toml for crates.io crate thread-pool 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64ec49ac6d536741a1435ae0b56e16a9a385d9d89134ec25319a778ef14ec3e9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "64ec49ac6d536741a1435ae0b56e16a9a385d9d89134ec25319a778ef14ec3e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64ec49ac6d536741a1435ae0b56e16a9a385d9d89134ec25319a778ef14ec3e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64ec49ac6d536741a1435ae0b56e16a9a385d9d89134ec25319a778ef14ec3e9", kill_on_drop: false }`
[INFO] [stdout] 64ec49ac6d536741a1435ae0b56e16a9a385d9d89134ec25319a778ef14ec3e9
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3628d7e24cb7f93cc982c7fbfddcfa97dc0e8f62a5855ef0c5cb02ef3732609
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b3628d7e24cb7f93cc982c7fbfddcfa97dc0e8f62a5855ef0c5cb02ef3732609", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]     Checking two-lock-queue v0.1.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking thread-pool v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/task.rs:32:19
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl Task for Box<TaskBox> {
[INFO] [stdout]    |                   ^^^^^^^ help: use `dyn`: `dyn TaskBox`
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | #![deny(warnings, missing_docs, missing_debug_implementations)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/thread_pool.rs:41:29
[INFO] [stdout]    |
[INFO] [stdout] 41 |     after_start: Option<Arc<Fn() + Send + Sync>>,
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/thread_pool.rs:42:29
[INFO] [stdout]    |
[INFO] [stdout] 42 |     before_stop: Option<Arc<Fn() + Send + Sync>>,
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/thread_pool.rs:494:17
[INFO] [stdout]     |
[INFO] [stdout] 494 | impl Sender<Box<TaskBox>> {
[INFO] [stdout]     |                 ^^^^^^^ help: use `dyn`: `dyn TaskBox`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/thread_pool.rs:499:67
[INFO] [stdout]     |
[INFO] [stdout] 499 |     pub fn send_fn<F>(&self, task: F) -> Result<(), SendError<Box<TaskBox>>>
[INFO] [stdout]     |                                                                   ^^^^^^^ help: use `dyn`: `dyn TaskBox`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/thread_pool.rs:502:23
[INFO] [stdout]     |
[INFO] [stdout] 502 |         let task: Box<TaskBox> = Box::new(task);
[INFO] [stdout]     |                       ^^^^^^^ help: use `dyn`: `dyn TaskBox`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/thread_pool.rs:509:44
[INFO] [stdout]     |
[INFO] [stdout] 509 |         -> Result<(), SendTimeoutError<Box<TaskBox>>>
[INFO] [stdout]     |                                            ^^^^^^^ help: use `dyn`: `dyn TaskBox`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/thread_pool.rs:512:23
[INFO] [stdout]     |
[INFO] [stdout] 512 |         let task: Box<TaskBox> = Box::new(task);
[INFO] [stdout]     |                       ^^^^^^^ help: use `dyn`: `dyn TaskBox`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/thread_pool.rs:519:40
[INFO] [stdout]     |
[INFO] [stdout] 519 |         -> Result<(), TrySendError<Box<TaskBox>>>
[INFO] [stdout]     |                                        ^^^^^^^ help: use `dyn`: `dyn TaskBox`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/thread_pool.rs:522:23
[INFO] [stdout]     |
[INFO] [stdout] 522 |         let task: Box<TaskBox> = Box::new(task);
[INFO] [stdout]     |                       ^^^^^^^ help: use `dyn`: `dyn TaskBox`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/task.rs:32:19
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl Task for Box<TaskBox> {
[INFO] [stdout]    |                   ^^^^^^^ help: use `dyn`: `dyn TaskBox`
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | #![deny(warnings, missing_docs, missing_debug_implementations)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/thread_pool.rs:41:29
[INFO] [stdout]    |
[INFO] [stdout] 41 |     after_start: Option<Arc<Fn() + Send + Sync>>,
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/thread_pool.rs:42:29
[INFO] [stdout]    |
[INFO] [stdout] 42 |     before_stop: Option<Arc<Fn() + Send + Sync>>,
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn() + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/thread_pool.rs:494:17
[INFO] [stdout]     |
[INFO] [stdout] 494 | impl Sender<Box<TaskBox>> {
[INFO] [stdout]     |                 ^^^^^^^ help: use `dyn`: `dyn TaskBox`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/thread_pool.rs:499:67
[INFO] [stdout]     |
[INFO] [stdout] 499 |     pub fn send_fn<F>(&self, task: F) -> Result<(), SendError<Box<TaskBox>>>
[INFO] [stdout]     |                                                                   ^^^^^^^ help: use `dyn`: `dyn TaskBox`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/thread_pool.rs:502:23
[INFO] [stdout]     |
[INFO] [stdout] 502 |         let task: Box<TaskBox> = Box::new(task);
[INFO] [stdout]     |                       ^^^^^^^ help: use `dyn`: `dyn TaskBox`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/thread_pool.rs:509:44
[INFO] [stdout]     |
[INFO] [stdout] 509 |         -> Result<(), SendTimeoutError<Box<TaskBox>>>
[INFO] [stdout]     |                                            ^^^^^^^ help: use `dyn`: `dyn TaskBox`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/thread_pool.rs:512:23
[INFO] [stdout]     |
[INFO] [stdout] 512 |         let task: Box<TaskBox> = Box::new(task);
[INFO] [stdout]     |                       ^^^^^^^ help: use `dyn`: `dyn TaskBox`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/thread_pool.rs:519:40
[INFO] [stdout]     |
[INFO] [stdout] 519 |         -> Result<(), TrySendError<Box<TaskBox>>>
[INFO] [stdout]     |                                        ^^^^^^^ help: use `dyn`: `dyn TaskBox`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/thread_pool.rs:522:23
[INFO] [stdout]     |
[INFO] [stdout] 522 |         let task: Box<TaskBox> = Box::new(task);
[INFO] [stdout]     |                       ^^^^^^^ help: use `dyn`: `dyn TaskBox`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `thread-pool`
[INFO] [stdout] error: aborting due to 10 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 10 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b3628d7e24cb7f93cc982c7fbfddcfa97dc0e8f62a5855ef0c5cb02ef3732609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3628d7e24cb7f93cc982c7fbfddcfa97dc0e8f62a5855ef0c5cb02ef3732609", kill_on_drop: false }`
[INFO] [stdout] b3628d7e24cb7f93cc982c7fbfddcfa97dc0e8f62a5855ef0c5cb02ef3732609