[INFO] fetching crate microasync-rt 0.2.1...
[INFO] testing microasync-rt-0.2.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate microasync-rt 0.2.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate microasync-rt 0.2.1
[INFO] finished tweaking crates.io crate microasync-rt 0.2.1
[INFO] tweaked toml for crates.io crate microasync-rt 0.2.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate microasync-rt 0.2.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate microasync-rt 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-core v0.3.1
[INFO] [stderr]   Downloaded microasync v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29eeadd155191542ef2260db4eb9aac3137647eceaddb4fd2cd24b00d205509d
[INFO] running `Command { std: "docker" "start" "-a" "29eeadd155191542ef2260db4eb9aac3137647eceaddb4fd2cd24b00d205509d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29eeadd155191542ef2260db4eb9aac3137647eceaddb4fd2cd24b00d205509d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29eeadd155191542ef2260db4eb9aac3137647eceaddb4fd2cd24b00d205509d", kill_on_drop: false }`
[INFO] [stdout] 29eeadd155191542ef2260db4eb9aac3137647eceaddb4fd2cd24b00d205509d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff5b96454bbba249dd00f721156c3213b2c3fc21adc1acb821c14a722815f393
[INFO] running `Command { std: "docker" "start" "-a" "ff5b96454bbba249dd00f721156c3213b2c3fc21adc1acb821c14a722815f393", kill_on_drop: false }`
[INFO] [stderr]    Compiling microasync v0.4.2
[INFO] [stderr]    Compiling async-core v0.3.1
[INFO] [stderr]    Compiling microasync-rt v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]  --> src/io/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use read::*;
[INFO] [stdout]   |         ^^^^^^^ the name `file` in the type namespace is first re-exported here
[INFO] [stdout] 8 | pub use write::*;
[INFO] [stdout]   |         -------- but the name `file` in the type namespace is also re-exported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]  --> src/io/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use read::*;
[INFO] [stdout]   |         ^^^^^^^ the name `tcpstream` in the type namespace is first re-exported here
[INFO] [stdout] 8 | pub use write::*;
[INFO] [stdout]   |         -------- but the name `tcpstream` in the type namespace is also re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]  --> src/io/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use read::*;
[INFO] [stdout]   |         ^^^^^^^ the name `udpsocket` in the type namespace is first re-exported here
[INFO] [stdout] 8 | pub use write::*;
[INFO] [stdout]   |         -------- but the name `udpsocket` in the type namespace is also re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/io/read/tcpstream.rs:75:25
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn accept(listener: &mut TcpListener) -> AcceptFuture {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^     ------------ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn accept(listener: &mut TcpListener) -> AcceptFuture<'_> {
[INFO] [stdout]    |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "ff5b96454bbba249dd00f721156c3213b2c3fc21adc1acb821c14a722815f393", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff5b96454bbba249dd00f721156c3213b2c3fc21adc1acb821c14a722815f393", kill_on_drop: false }`
[INFO] [stdout] ff5b96454bbba249dd00f721156c3213b2c3fc21adc1acb821c14a722815f393
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9134ad0fd04e5cbbb18ae1fd6b802aa64f5c97fddebd283a75ca681069ce366a
[INFO] running `Command { std: "docker" "start" "-a" "9134ad0fd04e5cbbb18ae1fd6b802aa64f5c97fddebd283a75ca681069ce366a", kill_on_drop: false }`
[INFO] [stderr]    Compiling microasync-rt v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]  --> src/io/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use read::*;
[INFO] [stdout]   |         ^^^^^^^ the name `file` in the type namespace is first re-exported here
[INFO] [stdout] 8 | pub use write::*;
[INFO] [stdout]   |         -------- but the name `file` in the type namespace is also re-exported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]  --> src/io/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use read::*;
[INFO] [stdout]   |         ^^^^^^^ the name `tcpstream` in the type namespace is first re-exported here
[INFO] [stdout] 8 | pub use write::*;
[INFO] [stdout]   |         -------- but the name `tcpstream` in the type namespace is also re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]  --> src/io/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use read::*;
[INFO] [stdout]   |         ^^^^^^^ the name `udpsocket` in the type namespace is first re-exported here
[INFO] [stdout] 8 | pub use write::*;
[INFO] [stdout]   |         -------- but the name `udpsocket` in the type namespace is also re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/io/read/tcpstream.rs:75:25
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn accept(listener: &mut TcpListener) -> AcceptFuture {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^     ------------ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn accept(listener: &mut TcpListener) -> AcceptFuture<'_> {
[INFO] [stdout]    |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]  --> src/io/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use read::*;
[INFO] [stdout]   |         ^^^^^^^ the name `file` in the type namespace is first re-exported here
[INFO] [stdout] 8 | pub use write::*;
[INFO] [stdout]   |         -------- but the name `file` in the type namespace is also re-exported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]  --> src/io/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use read::*;
[INFO] [stdout]   |         ^^^^^^^ the name `tcpstream` in the type namespace is first re-exported here
[INFO] [stdout] 8 | pub use write::*;
[INFO] [stdout]   |         -------- but the name `tcpstream` in the type namespace is also re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]  --> src/io/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use read::*;
[INFO] [stdout]   |         ^^^^^^^ the name `udpsocket` in the type namespace is first re-exported here
[INFO] [stdout] 8 | pub use write::*;
[INFO] [stdout]   |         -------- but the name `udpsocket` in the type namespace is also re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/io/read/tcpstream.rs:75:25
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn accept(listener: &mut TcpListener) -> AcceptFuture {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^     ------------ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub fn accept(listener: &mut TcpListener) -> AcceptFuture<'_> {
[INFO] [stdout]    |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "9134ad0fd04e5cbbb18ae1fd6b802aa64f5c97fddebd283a75ca681069ce366a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9134ad0fd04e5cbbb18ae1fd6b802aa64f5c97fddebd283a75ca681069ce366a", kill_on_drop: false }`
[INFO] [stdout] 9134ad0fd04e5cbbb18ae1fd6b802aa64f5c97fddebd283a75ca681069ce366a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ff863df251e4bd83fe6cbf6ad822f436417e6d6054d45816a6261e904391f921
[INFO] running `Command { std: "docker" "start" "-a" "ff863df251e4bd83fe6cbf6ad822f436417e6d6054d45816a6261e904391f921", kill_on_drop: false }`
[INFO] [stderr] warning: ambiguous glob re-exports
[INFO] [stderr]  --> src/io/mod.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub use read::*;
[INFO] [stderr]   |         ^^^^^^^ the name `file` in the type namespace is first re-exported here
[INFO] [stderr] 8 | pub use write::*;
[INFO] [stderr]   |         -------- but the name `file` in the type namespace is also re-exported here
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: ambiguous glob re-exports
[INFO] [stderr]  --> src/io/mod.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub use read::*;
[INFO] [stderr]   |         ^^^^^^^ the name `tcpstream` in the type namespace is first re-exported here
[INFO] [stderr] 8 | pub use write::*;
[INFO] [stderr]   |         -------- but the name `tcpstream` in the type namespace is also re-exported here
[INFO] [stderr] 
[INFO] [stderr] warning: ambiguous glob re-exports
[INFO] [stderr]  --> src/io/mod.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub use read::*;
[INFO] [stderr]   |         ^^^^^^^ the name `udpsocket` in the type namespace is first re-exported here
[INFO] [stderr] 8 | pub use write::*;
[INFO] [stderr]   |         -------- but the name `udpsocket` in the type namespace is also re-exported here
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/io/read/tcpstream.rs:75:25
[INFO] [stderr]    |
[INFO] [stderr] 75 | pub fn accept(listener: &mut TcpListener) -> AcceptFuture {
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^     ------------ the same lifetime is hidden here
[INFO] [stderr]    |                         |
[INFO] [stderr]    |                         the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 75 | pub fn accept(listener: &mut TcpListener) -> AcceptFuture<'_> {
[INFO] [stderr]    |                                                          ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `microasync-rt` (lib) generated 4 warnings
[INFO] [stderr] warning: `microasync-rt` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/microasync_rt-9c472a54f343b305)
[INFO] [stderr]    Doc-tests microasync_rt
[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; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ff863df251e4bd83fe6cbf6ad822f436417e6d6054d45816a6261e904391f921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff863df251e4bd83fe6cbf6ad822f436417e6d6054d45816a6261e904391f921", kill_on_drop: false }`
[INFO] [stdout] ff863df251e4bd83fe6cbf6ad822f436417e6d6054d45816a6261e904391f921