[INFO] fetching crate td_rthreadpool 0.1.2...
[INFO] checking td_rthreadpool-0.1.2 against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] extracting crate td_rthreadpool 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate td_rthreadpool 0.1.2 on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate td_rthreadpool 0.1.2
[INFO] finished tweaking crates.io crate td_rthreadpool 0.1.2
[INFO] tweaked toml for crates.io crate td_rthreadpool 0.1.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b6c9426f29ba8c07782218db4521cb3684368bb08c4262381871b591768b2bf
[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" "5b6c9426f29ba8c07782218db4521cb3684368bb08c4262381871b591768b2bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b6c9426f29ba8c07782218db4521cb3684368bb08c4262381871b591768b2bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b6c9426f29ba8c07782218db4521cb3684368bb08c4262381871b591768b2bf", kill_on_drop: false }`
[INFO] [stdout] 5b6c9426f29ba8c07782218db4521cb3684368bb08c4262381871b591768b2bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fcd54e14670b09f54ed1830bf68e8597871eb376bd14d91a9bca7e13bc7b035
[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" "3fcd54e14670b09f54ed1830bf68e8597871eb376bd14d91a9bca7e13bc7b035", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]     Checking td_rthreadpool v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mutex/poison.rs:168:32
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/mutex/remutex.rs:83:16
[INFO] [stdout]    |
[INFO] [stdout] 83 |             Ok(try!(ReentrantMutexGuard::new(&self)))
[INFO] [stdout]    |                ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:23:22
[INFO] [stdout]    |
[INFO] [stdout] 23 | type Thunk<'a> = Box<FnBox + Send + 'a>;
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/mutex/poison.rs:168:32
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/mutex/remutex.rs:83:16
[INFO] [stdout]    |
[INFO] [stdout] 83 |             Ok(try!(ReentrantMutexGuard::new(&self)))
[INFO] [stdout]    |                ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:23:22
[INFO] [stdout]    |
[INFO] [stdout] 23 | type Thunk<'a> = Box<FnBox + Send + 'a>;
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/mutex/unix.rs:21:33
[INFO] [stdout]    |
[INFO] [stdout] 21 |         ReentrantMutex { inner: mem::uninitialized() }
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/mutex/unix.rs:25:50
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut attr: ffi::pthread_mutexattr_t = mem::uninitialized();
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/mutex/unix.rs:21:33
[INFO] [stdout]    |
[INFO] [stdout] 21 |         ReentrantMutex { inner: mem::uninitialized() }
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/mutex/unix.rs:25:50
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut attr: ffi::pthread_mutexattr_t = mem::uninitialized();
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/mutex/poison.rs:156:14
[INFO] [stdout]     |
[INFO] [stdout] 156 |         self.description().fmt(f)
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/mutex/poison.rs:163:48
[INFO] [stdout]     |
[INFO] [stdout] 163 |             TryLockError::Poisoned(ref p) => p.description(),
[INFO] [stdout]     |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/mutex/poison.rs:156:14
[INFO] [stdout]     |
[INFO] [stdout] 156 |         self.description().fmt(f)
[INFO] [stdout]     |              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/mutex/poison.rs:163:48
[INFO] [stdout]     |
[INFO] [stdout] 163 |             TryLockError::Poisoned(ref p) => p.description(),
[INFO] [stdout]     |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> tests/test.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::thread::{self, sleep};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/test.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut pool = ThreadPool::new(TEST_TASKS);
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]   --> tests/test.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |             1 + 1;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.01s
[INFO] running `Command { std: "docker" "inspect" "3fcd54e14670b09f54ed1830bf68e8597871eb376bd14d91a9bca7e13bc7b035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fcd54e14670b09f54ed1830bf68e8597871eb376bd14d91a9bca7e13bc7b035", kill_on_drop: false }`
[INFO] [stdout] 3fcd54e14670b09f54ed1830bf68e8597871eb376bd14d91a9bca7e13bc7b035