[INFO] updating cached repository https://github.com/ustulation/mio-poc
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 350f283ab37f511b5f53783860e02007ae1b78b6
[INFO] testing ustulation/mio-poc against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fustulation%2Fmio-poc" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ustulation/mio-poc on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ustulation/mio-poc
[INFO] finished tweaking git repo https://github.com/ustulation/mio-poc
[INFO] tweaked toml for git repo https://github.com/ustulation/mio-poc written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ustulation/mio-poc already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 691c80ab0b05f68db8df57b77907c47c8d896190eb055b5edf8d3154fb535a7f
[INFO] running `"docker" "start" "-a" "691c80ab0b05f68db8df57b77907c47c8d896190eb055b5edf8d3154fb535a7f"`
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling libc v0.2.20
[INFO] [stderr]    Compiling unicode-normalization v0.1.3
[INFO] [stderr]    Compiling quick-error v1.1.0
[INFO] [stderr]    Compiling serde v0.7.15
[INFO] [stderr]    Compiling lazy_static v0.2.2
[INFO] [stderr]    Compiling lazycell v0.4.0
[INFO] [stderr]    Compiling unicode-bidi v0.2.4
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]    Compiling humantime v0.1.3
[INFO] [stderr]    Compiling net2 v0.2.26
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling time v0.1.36
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling config_file_handler v0.4.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling num-integer v0.1.32
[INFO] [stderr]    Compiling bincode v0.6.1
[INFO] [stderr]    Compiling miow v0.1.5
[INFO] [stderr]    Compiling mio v0.6.4
[INFO] [stderr]    Compiling num-iter v0.1.32
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling num v0.1.36
[INFO] [stderr]    Compiling idna v0.1.0
[INFO] [stderr]    Compiling ordered-float v0.1.0
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling url v1.4.0
[INFO] [stderr]    Compiling mio v0.5.1
[INFO] [stderr]    Compiling serde-value v0.2.1
[INFO] [stderr]    Compiling toml v0.1.30
[INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.4.0/src/form_urlencoded.rs:246:40
[INFO] [stderr]     |
[INFO] [stderr] 244 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 245 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 246 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stderr]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stderr]     |                                        |
[INFO] [stderr]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling ws v0.5.3
[INFO] [stderr]    Compiling log4rs v0.4.8
[INFO] [stderr]    Compiling maidsafe_utilities v0.10.0
[INFO] [stderr]    Compiling mio-poc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:30:27
[INFO] [stderr]    |
[INFO] [stderr] 30 | struct CoreMsg(Option<Box<FnMut(&Poll) + 'static + Send>>);
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Poll) + 'static + Send`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.45s
[INFO] running `"docker" "inspect" "691c80ab0b05f68db8df57b77907c47c8d896190eb055b5edf8d3154fb535a7f"`
[INFO] running `"docker" "rm" "-f" "691c80ab0b05f68db8df57b77907c47c8d896190eb055b5edf8d3154fb535a7f"`
[INFO] [stdout] 691c80ab0b05f68db8df57b77907c47c8d896190eb055b5edf8d3154fb535a7f
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] bc36cf64940560b87e751cc529d06e969b3b2907fb817df7f0342e25659e8a96
[INFO] running `"docker" "start" "-a" "bc36cf64940560b87e751cc529d06e969b3b2907fb817df7f0342e25659e8a96"`
[INFO] [stderr]    Compiling mio-poc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:30:27
[INFO] [stderr]    |
[INFO] [stderr] 30 | struct CoreMsg(Option<Box<FnMut(&Poll) + 'static + Send>>);
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Poll) + 'static + Send`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "bc36cf64940560b87e751cc529d06e969b3b2907fb817df7f0342e25659e8a96"`
[INFO] running `"docker" "rm" "-f" "bc36cf64940560b87e751cc529d06e969b3b2907fb817df7f0342e25659e8a96"`
[INFO] [stdout] bc36cf64940560b87e751cc529d06e969b3b2907fb817df7f0342e25659e8a96
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] eba4ab456adbfb096ba1af0637d32e740e000af2abc99f460484f289b898af12
[INFO] running `"docker" "start" "-a" "eba4ab456adbfb096ba1af0637d32e740e000af2abc99f460484f289b898af12"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mio_poc-c8bb1be8eea8430d
[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] running `"docker" "inspect" "eba4ab456adbfb096ba1af0637d32e740e000af2abc99f460484f289b898af12"`
[INFO] running `"docker" "rm" "-f" "eba4ab456adbfb096ba1af0637d32e740e000af2abc99f460484f289b898af12"`
[INFO] [stdout] eba4ab456adbfb096ba1af0637d32e740e000af2abc99f460484f289b898af12