[INFO] crate mio-pool 0.5.7 is already in cache
[INFO] extracting crate mio-pool 0.5.7 into work/ex/beta-1.38-1/sources/1.37.0/reg/mio-pool/0.5.7
[INFO] extracting crate mio-pool 0.5.7 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mio-pool/0.5.7
[INFO] validating manifest of mio-pool-0.5.7 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mio-pool-0.5.7 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mio-pool-0.5.7
[INFO] finished frobbing mio-pool-0.5.7
[INFO] frobbed toml for mio-pool-0.5.7 written to work/ex/beta-1.38-1/sources/1.37.0/reg/mio-pool/0.5.7/Cargo.toml
[INFO] started frobbing mio-pool-0.5.7
[INFO] finished frobbing mio-pool-0.5.7
[INFO] frobbed toml for mio-pool-0.5.7 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mio-pool/0.5.7/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing mio-pool-0.5.7 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mio-pool/0.5.7:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 1e412c27ede40dfc7732dc2c93e600bcc4378e69d7188d906c0fd74594991b0b
[INFO] running `"docker" "start" "-a" "1e412c27ede40dfc7732dc2c93e600bcc4378e69d7188d906c0fd74594991b0b"`
[INFO] [stderr]    Compiling mio-pool v0.5.7 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/poll.rs:178:26
[INFO] [stderr]     |
[INFO] [stderr] 178 |     fn ctl(&self, file: &AsRawFd, t: Token, op: epoll::EpollOp) -> io::Result<()> {
[INFO] [stderr]     |                          ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[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/poll.rs:198:35
[INFO] [stderr]     |
[INFO] [stderr] 198 |     pub fn register(&self, file: &AsRawFd, t: Token) -> io::Result<()> {
[INFO] [stderr]     |                                   ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/poll.rs:214:37
[INFO] [stderr]     |
[INFO] [stderr] 214 |     pub fn reregister(&self, file: &AsRawFd, t: Token) -> io::Result<()> {
[INFO] [stderr]     |                                     ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/poll.rs:222:37
[INFO] [stderr]     |
[INFO] [stderr] 222 |     pub fn deregister(&self, file: &AsRawFd) -> io::Result<()> {
[INFO] [stderr]     |                                     ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/builder.rs:70:29
[INFO] [stderr]    |
[INFO] [stderr] 70 |     pub(super) adapter: Arc<Fn(L::Connection) -> C + 'static + Send + Sync>,
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(L::Connection) -> C + 'static + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/builder.rs:71:31
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub(super) finalizer: Arc<Fn(S) -> R + Send + Sync + 'static>,
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(S) -> R + Send + Sync + 'static`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.04s
[INFO] running `"docker" "inspect" "1e412c27ede40dfc7732dc2c93e600bcc4378e69d7188d906c0fd74594991b0b"`
[INFO] running `"docker" "rm" "-f" "1e412c27ede40dfc7732dc2c93e600bcc4378e69d7188d906c0fd74594991b0b"`
[INFO] [stdout] 1e412c27ede40dfc7732dc2c93e600bcc4378e69d7188d906c0fd74594991b0b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mio-pool/0.5.7:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] d895a7da5e9adf961cf8fdf763249916bb0046a981c260f6bd7a63a97e9f5870
[INFO] running `"docker" "start" "-a" "d895a7da5e9adf961cf8fdf763249916bb0046a981c260f6bd7a63a97e9f5870"`
[INFO] [stderr]    Compiling mio-pool v0.5.7 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/poll.rs:178:26
[INFO] [stderr]     |
[INFO] [stderr] 178 |     fn ctl(&self, file: &AsRawFd, t: Token, op: epoll::EpollOp) -> io::Result<()> {
[INFO] [stderr]     |                          ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[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/poll.rs:198:35
[INFO] [stderr]     |
[INFO] [stderr] 198 |     pub fn register(&self, file: &AsRawFd, t: Token) -> io::Result<()> {
[INFO] [stderr]     |                                   ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/poll.rs:214:37
[INFO] [stderr]     |
[INFO] [stderr] 214 |     pub fn reregister(&self, file: &AsRawFd, t: Token) -> io::Result<()> {
[INFO] [stderr]     |                                     ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/poll.rs:222:37
[INFO] [stderr]     |
[INFO] [stderr] 222 |     pub fn deregister(&self, file: &AsRawFd) -> io::Result<()> {
[INFO] [stderr]     |                                     ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/builder.rs:70:29
[INFO] [stderr]    |
[INFO] [stderr] 70 |     pub(super) adapter: Arc<Fn(L::Connection) -> C + 'static + Send + Sync>,
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(L::Connection) -> C + 'static + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/builder.rs:71:31
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub(super) finalizer: Arc<Fn(S) -> R + Send + Sync + 'static>,
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(S) -> R + Send + Sync + 'static`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `"docker" "inspect" "d895a7da5e9adf961cf8fdf763249916bb0046a981c260f6bd7a63a97e9f5870"`
[INFO] running `"docker" "rm" "-f" "d895a7da5e9adf961cf8fdf763249916bb0046a981c260f6bd7a63a97e9f5870"`
[INFO] [stdout] d895a7da5e9adf961cf8fdf763249916bb0046a981c260f6bd7a63a97e9f5870
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mio-pool/0.5.7:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 2a62d39b3e7f924061dcf5d44dad47c09845584009787b3bd4d56174f5735176
[INFO] running `"docker" "start" "-a" "2a62d39b3e7f924061dcf5d44dad47c09845584009787b3bd4d56174f5735176"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mio_pool-84ccbb055461796e
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/loadtest-6f7b9d9eed757cbc
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lib-04e3e86a2780ef1c
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test client_churn ... ok
[INFO] [stdout] test client_churn_two_workers ... ok
[INFO] [stdout] test multi_rtt ... ok
[INFO] [stdout] test one_client ... ok
[INFO] [stdout] test soft_exit_no_clients ... ok
[INFO] [stdout] test soft_exit_many_client ... ok
[INFO] [stdout] test soft_exit_one_client ... ok
[INFO] [stdout] test many_workers ... ok
[INFO] [stdout] test soft_exit_no_new ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mio-pool
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/poll.rs - poll::Poll (line 31) ... ok
[INFO] [stdout] test src/poll.rs - poll::Poll::new (line 147) ... ok
[INFO] [stdout] test src/builder.rs - builder::PoolBuilder (line 30) ... ok
[INFO] [stdout] test src/lib.rs -  (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2a62d39b3e7f924061dcf5d44dad47c09845584009787b3bd4d56174f5735176"`
[INFO] running `"docker" "rm" "-f" "2a62d39b3e7f924061dcf5d44dad47c09845584009787b3bd4d56174f5735176"`
[INFO] [stdout] 2a62d39b3e7f924061dcf5d44dad47c09845584009787b3bd4d56174f5735176