[INFO] fetching crate ws_stream_tungstenite 0.6.0...
[INFO] testing ws_stream_tungstenite-0.6.0 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate ws_stream_tungstenite 0.6.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ws_stream_tungstenite 0.6.0 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ws_stream_tungstenite 0.6.0
[INFO] finished tweaking crates.io crate ws_stream_tungstenite 0.6.0
[INFO] tweaked toml for crates.io crate ws_stream_tungstenite 0.6.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate ws_stream_tungstenite 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures_ringbuf v0.3.0
[INFO] [stderr]   Downloaded flexi_logger v0.17.1
[INFO] [stderr]   Downloaded futures-test v0.3.12
[INFO] [stderr]   Downloaded pharos v0.5.0
[INFO] [stderr]   Downloaded pharos v0.4.2
[INFO] [stderr]   Downloaded future-parking_lot v0.3.3
[INFO] [stderr]   Downloaded async_progress v0.1.1
[INFO] [stderr]   Downloaded async-tungstenite v0.13.0
[INFO] [stderr]   Downloaded async_io_stream v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 817c6c8aaeb7e15cc54a2d224fcbbdc33e0f1c20e323f2e8c53bc3e97134e445
[INFO] running `Command { std: "docker" "start" "-a" "817c6c8aaeb7e15cc54a2d224fcbbdc33e0f1c20e323f2e8c53bc3e97134e445", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "817c6c8aaeb7e15cc54a2d224fcbbdc33e0f1c20e323f2e8c53bc3e97134e445", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "817c6c8aaeb7e15cc54a2d224fcbbdc33e0f1c20e323f2e8c53bc3e97134e445", kill_on_drop: false }`
[INFO] [stdout] 817c6c8aaeb7e15cc54a2d224fcbbdc33e0f1c20e323f2e8c53bc3e97134e445
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba01cde4e1fd6f4fa7353697761b0ef628785eb017c7d2f7ff7c067d3747b4e4
[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" "ba01cde4e1fd6f4fa7353697761b0ef628785eb017c7d2f7ff7c067d3747b4e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.12
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling pin-project-lite v0.2.4
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]    Compiling futures-io v0.3.12
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling fastrand v1.4.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling futures-sink v0.3.12
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling vec-arena v1.0.0
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling futures-channel v0.3.12
[INFO] [stderr]    Compiling tinyvec v1.1.1
[INFO] [stderr]    Compiling futures-task v0.3.12
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling async-lock v2.3.0
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling nb-connect v1.0.2
[INFO] [stderr]    Compiling pharos v0.5.0
[INFO] [stderr]    Compiling async-channel v1.5.1
[INFO] [stderr]    Compiling http v0.2.3
[INFO] [stderr]    Compiling input_buffer v0.4.0
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling sha-1 v0.9.3
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling async-executor v1.4.0
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling idna v0.2.1
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling async_io_stream v0.3.0
[INFO] [stderr]    Compiling ws_stream_tungstenite v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling url v2.2.0
[INFO] [stderr]    Compiling ctor v0.1.19
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling futures-util v0.3.12
[INFO] [stderr]    Compiling polling v2.0.2
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling mio v0.7.7
[INFO] [stderr]    Compiling async-io v1.3.1
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling tungstenite v0.13.0
[INFO] [stderr]    Compiling async-global-executor v2.0.2
[INFO] [stderr]    Compiling async-std v1.9.0
[INFO] [stderr]    Compiling futures-executor v0.3.12
[INFO] [stderr]    Compiling futures v0.3.12
[INFO] [stderr]    Compiling async-tungstenite v0.13.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.04s
[INFO] running `Command { std: "docker" "inspect" "ba01cde4e1fd6f4fa7353697761b0ef628785eb017c7d2f7ff7c067d3747b4e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba01cde4e1fd6f4fa7353697761b0ef628785eb017c7d2f7ff7c067d3747b4e4", kill_on_drop: false }`
[INFO] [stdout] ba01cde4e1fd6f4fa7353697761b0ef628785eb017c7d2f7ff7c067d3747b4e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 11b783814166bbdb05496bef0534e522bb9832701f39b9448b62677a78a1946f
[INFO] running `Command { std: "docker" "start" "-a" "11b783814166bbdb05496bef0534e522bb9832701f39b9448b62677a78a1946f", kill_on_drop: false }`
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling ringbuf v0.2.3
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling futures_ringbuf v0.3.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling pharos v0.4.2
[INFO] [stderr]    Compiling tokio-util v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling future-parking_lot v0.3.3
[INFO] [stderr]    Compiling async_progress v0.1.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling pin-project v1.0.5
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling futures-test v0.3.12
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling futures_codec v0.4.1
[INFO] [stderr]    Compiling flexi_logger v0.17.1
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling log-derive v0.4.1
[INFO] [stderr]    Compiling ws_stream_tungstenite v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0659]: `assert_matches` is ambiguous (glob import vs any other name from outer scope during import/macro resolution)
[INFO] [stdout]    --> src/tung_websocket/notifier.rs:271:4
[INFO] [stdout]     |
[INFO] [stdout] 271 |             assert_matches!( evt, Some( WsEvent::Ping(_) ) );
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: `assert_matches` could refer to a macro from prelude
[INFO] [stdout] note: `assert_matches` could also refer to the macro imported here
[INFO] [stdout]    --> src/tung_websocket/notifier.rs:200:6
[INFO] [stdout]     |
[INFO] [stdout] 200 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `assert_matches` to disambiguate
[INFO] [stdout]     = help: or use `self::assert_matches` to refer to this macro unambiguously
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `assert_matches` is ambiguous (glob import vs any other name from outer scope during import/macro resolution)
[INFO] [stdout]    --> src/tung_websocket/notifier.rs:289:4
[INFO] [stdout]     |
[INFO] [stdout] 289 |             assert_matches!( evt, Some( WsEvent::Ping(_) ) );
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout]     = note: `assert_matches` could refer to a macro from prelude
[INFO] [stdout] note: `assert_matches` could also refer to the macro imported here
[INFO] [stdout]    --> src/tung_websocket/notifier.rs:200:6
[INFO] [stdout]     |
[INFO] [stdout] 200 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `assert_matches` to disambiguate
[INFO] [stdout]     = help: or use `self::assert_matches` to refer to this macro unambiguously
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `assert_matches` is ambiguous (glob import vs any other name from outer scope during import/macro resolution)
[INFO] [stdout]   --> src/tung_websocket/closer/closer_send.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 |             assert_matches!( p, Poll::Ready( Ok(()) ) );
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ ambiguous name
[INFO] [stdout]    |
[INFO] [stdout]    = note: `assert_matches` could refer to a macro from prelude
[INFO] [stdout] note: `assert_matches` could also refer to the macro imported here
[INFO] [stdout]   --> src/tung_websocket/closer/closer_send.rs:5:16
[INFO] [stdout]    |
[INFO] [stdout] 5  | use crate :: { import::*, tung_websocket::{ notifier::Notifier, closer::Closer } };
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout]    = help: consider adding an explicit import of `assert_matches` to disambiguate
[INFO] [stdout]    = help: or use `self::assert_matches` to refer to this macro unambiguously
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `assert_matches` is ambiguous (glob import vs any other name from outer scope during import/macro resolution)
[INFO] [stdout]   --> src/tung_websocket/closer/notify_errors.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 |             assert_matches!( p, Poll::Ready( Err(()) ) );
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ ambiguous name
[INFO] [stdout]    |
[INFO] [stdout]    = note: `assert_matches` could refer to a macro from prelude
[INFO] [stdout] note: `assert_matches` could also refer to the macro imported here
[INFO] [stdout]   --> src/tung_websocket/closer/notify_errors.rs:5:16
[INFO] [stdout]    |
[INFO] [stdout] 5  | use crate :: { import::*, WsEvent, WsErr, tung_websocket::{ notifier::Notifier, closer::Closer } };
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout]    = help: consider adding an explicit import of `assert_matches` to disambiguate
[INFO] [stdout]    = help: or use `self::assert_matches` to refer to this macro unambiguously
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `assert_matches` is ambiguous (glob import vs any other name from outer scope during import/macro resolution)
[INFO] [stdout]   --> src/tung_websocket/closer/notify_errors.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 |             assert_matches!( n, Poll::Ready( Ok(()) ) );
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ ambiguous name
[INFO] [stdout]    |
[INFO] [stdout]    = note: `assert_matches` could refer to a macro from prelude
[INFO] [stdout] note: `assert_matches` could also refer to the macro imported here
[INFO] [stdout]   --> src/tung_websocket/closer/notify_errors.rs:5:16
[INFO] [stdout]    |
[INFO] [stdout] 5  | use crate :: { import::*, WsEvent, WsErr, tung_websocket::{ notifier::Notifier, closer::Closer } };
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout]    = help: consider adding an explicit import of `assert_matches` to disambiguate
[INFO] [stdout]    = help: or use `self::assert_matches` to refer to this macro unambiguously
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0659`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ws_stream_tungstenite`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "11b783814166bbdb05496bef0534e522bb9832701f39b9448b62677a78a1946f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11b783814166bbdb05496bef0534e522bb9832701f39b9448b62677a78a1946f", kill_on_drop: false }`
[INFO] [stdout] 11b783814166bbdb05496bef0534e522bb9832701f39b9448b62677a78a1946f