[INFO] fetching crate easy-jsonrpc-mwc 0.5.6... [INFO] checking easy-jsonrpc-mwc-0.5.6 against try#88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c for pr-154887 [INFO] extracting crate easy-jsonrpc-mwc 0.5.6 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate easy-jsonrpc-mwc 0.5.6 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate easy-jsonrpc-mwc 0.5.6 [INFO] tweaked toml for crates.io crate easy-jsonrpc-mwc 0.5.6 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate easy-jsonrpc-mwc 0.5.6 on toolchain 88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate easy-jsonrpc-mwc 0.5.6 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" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] df6efd1804fa1e67747119dcea1e1ab80c1c9c83c9dcfa54c4bc8c6dc75bbdb3 [INFO] running `Command { std: "docker" "start" "-a" "df6efd1804fa1e67747119dcea1e1ab80c1c9c83c9dcfa54c4bc8c6dc75bbdb3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "df6efd1804fa1e67747119dcea1e1ab80c1c9c83c9dcfa54c4bc8c6dc75bbdb3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df6efd1804fa1e67747119dcea1e1ab80c1c9c83c9dcfa54c4bc8c6dc75bbdb3", kill_on_drop: false }` [INFO] [stdout] df6efd1804fa1e67747119dcea1e1ab80c1c9c83c9dcfa54c4bc8c6dc75bbdb3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8b753a225b55c9bc49b013beb8cdc7e86cfcedee1f78acb5546df4d85ce5be1a [INFO] running `Command { std: "docker" "start" "-a" "8b753a225b55c9bc49b013beb8cdc7e86cfcedee1f78acb5546df4d85ce5be1a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.96 [INFO] [stderr] Checking log v0.4.27 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking cfg-if v1.0.1 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Checking slab v0.4.11 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking writeable v0.6.1 [INFO] [stderr] Checking litemap v0.8.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] 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[INFO] [stdout] error[E0277]: the trait bound `!: From<()>` is not satisfied [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/warp-0.1.23/src/test.rs:502:30 [INFO] [stdout] | [INFO] [stdout] 502 | .forward(tx.sink_map_err(|_| ())) [INFO] [stdout] | ------- ^^^^^^^^^^^^^^^^^^^^^^^ the trait `From<()>` is not implemented for `!` [INFO] [stdout] | | [INFO] [stdout] | required by a bound introduced by this call [INFO] [stdout] | [INFO] [stdout] help: the trait `From<()>` is not implemented for `!` [INFO] [stdout] but trait `From>` is implemented for it [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zerocopy-0.8.26/src/error.rs:340:1 [INFO] [stdout] | [INFO] [stdout] 340 | impl From> for Infallible { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = help: for that trait implementation, expected `zerocopy::error::AlignmentError<_, _>`, found `()` [INFO] [stdout] = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #148922 for more information) [INFO] [stdout] = help: you might have intended to use the type `()` here instead [INFO] [stdout] note: the method call chain might not have had the expected associated types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/warp-0.1.23/src/test.rs:502:33 [INFO] [stdout] | [INFO] [stdout] 502 | .forward(tx.sink_map_err(|_| ())) [INFO] [stdout] | -- ^^^^^^^^^^^^^^^^^^^^ `Sink::SinkError` is `()` here [INFO] [stdout] | | [INFO] [stdout] | this expression has type `SplitSink` [INFO] [stdout] note: required by a bound in `futures::Stream::forward` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-0.1.31/src/stream/mod.rs:1068:28 [INFO] [stdout] | [INFO] [stdout] 1066 | fn forward(self, sink: S) -> Forward [INFO] [stdout] | ------- required by a bound in this associated function [INFO] [stdout] 1067 | where S: Sink, [INFO] [stdout] 1068 | Self::Error: From, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ required by this bound in `Stream::forward` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `!: From<()>` is not satisfied [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/warp-0.1.23/src/test.rs:503:22 [INFO] [stdout] | [INFO] [stdout] 503 | .map(|_| ()); [INFO] [stdout] | ^^^ the trait `From<()>` is not implemented for `!` [INFO] [stdout] | [INFO] [stdout] help: the trait `From<()>` is not implemented for `!` [INFO] [stdout] but trait `From>` is implemented for it [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zerocopy-0.8.26/src/error.rs:340:1 [INFO] [stdout] | [INFO] [stdout] 340 | impl From> for Infallible { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = help: for that trait implementation, expected `zerocopy::error::AlignmentError<_, _>`, found `()` [INFO] [stdout] = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #148922 for more information) [INFO] [stdout] = help: you might have intended to use the type `()` here instead [INFO] [stdout] = note: required for `Forward, {closure@...}>, ...>` to implement `futures::Future` [INFO] [stdout] = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/warp-d4cf6f758f7399ec.long-type-1818946518561014410.txt' [INFO] [stdout] = note: consider using `--verbose` to print the full type name to the console [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `!: From<()>` is not satisfied [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/warp-0.1.23/src/test.rs:510:30 [INFO] [stdout] | [INFO] [stdout] 510 | .forward(rd_tx.sink_map_err(|_| ())) [INFO] [stdout] | ------- ^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `From<()>` is not implemented for `!` [INFO] [stdout] | | [INFO] [stdout] | required by a bound introduced by this call [INFO] [stdout] | [INFO] [stdout] help: the trait `From<()>` is not implemented for `!` [INFO] [stdout] but trait `From>` is implemented for it [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zerocopy-0.8.26/src/error.rs:340:1 [INFO] [stdout] | [INFO] [stdout] 340 | impl From> for Infallible { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = help: for that trait implementation, expected `zerocopy::error::AlignmentError<_, _>`, found `()` [INFO] [stdout] = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #148922 for more information) [INFO] [stdout] = help: you might have intended to use the type `()` here instead [INFO] [stdout] note: the method call chain might not have had the expected associated types [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/warp-0.1.23/src/test.rs:510:36 [INFO] [stdout] | [INFO] [stdout] 510 | .forward(rd_tx.sink_map_err(|_| ())) [INFO] [stdout] | ----- ^^^^^^^^^^^^^^^^^^^^ `Sink::SinkError` is `()` here [INFO] [stdout] | | [INFO] [stdout] | this expression has type `UnboundedSender>` [INFO] [stdout] note: required by a bound in `futures::Stream::forward` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-0.1.31/src/stream/mod.rs:1068:28 [INFO] [stdout] | [INFO] [stdout] 1066 | fn forward(self, sink: S) -> Forward [INFO] [stdout] | ------- required by a bound in this associated function [INFO] [stdout] 1067 | where S: Sink, [INFO] [stdout] 1068 | Self::Error: From, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ required by this bound in `Stream::forward` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `!: From<()>` is not satisfied [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/warp-0.1.23/src/test.rs:511:22 [INFO] [stdout] | [INFO] [stdout] 511 | .map(|_| ()); [INFO] [stdout] | ^^^ the trait `From<()>` is not implemented for `!` [INFO] [stdout] | [INFO] [stdout] help: the trait `From<()>` is not implemented for `!` [INFO] [stdout] but trait `From>` is implemented for it [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zerocopy-0.8.26/src/error.rs:340:1 [INFO] [stdout] | [INFO] [stdout] 340 | impl From> for Infallible { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = help: for that trait implementation, expected `zerocopy::error::AlignmentError<_, _>`, found `()` [INFO] [stdout] = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #148922 for more information) [INFO] [stdout] = help: you might have intended to use the type `()` here instead [INFO] [stdout] = note: required for `Forward, ..., ...>, ..., ...>, ...>` to implement `futures::Future` [INFO] [stdout] = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/warp-d4cf6f758f7399ec.long-type-8375516982032882621.txt' [INFO] [stdout] = note: consider using `--verbose` to print the full type name to the console [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `!: From<()>` is not satisfied [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/warp-0.1.23/src/test.rs:513:40 [INFO] [stdout] | [INFO] [stdout] 513 | rt.block_on(write.join(read)).expect("websocket forward"); [INFO] [stdout] | ---- ^^^^ the trait `From<()>` is not implemented for `!` [INFO] [stdout] | | [INFO] [stdout] | required by a bound introduced by this call [INFO] [stdout] | [INFO] [stdout] help: the trait `From<()>` is not implemented for `!` [INFO] [stdout] but trait `From>` is implemented for it [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/zerocopy-0.8.26/src/error.rs:340:1 [INFO] [stdout] | [INFO] [stdout] 340 | impl From> for Infallible { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = help: for that trait implementation, expected `zerocopy::error::AlignmentError<_, _>`, found `()` [INFO] [stdout] = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #148922 for more information) [INFO] [stdout] = help: you might have intended to use the type `()` here instead [INFO] [stdout] = note: required for `Forward, ..., ...>, ..., ...>, ...>` to implement `futures::Future` [INFO] [stdout] = note: 1 redundant requirement hidden [INFO] [stdout] = note: required for `Map, ..., ...>, ...>, ...>` to implement `futures::Future` [INFO] [stdout] note: required by a bound in `futures::Future::join` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-0.1.31/src/future/mod.rs:717:29 [INFO] [stdout] | [INFO] [stdout] 716 | fn join(self, other: B) -> Join [INFO] [stdout] | ---- required by a bound in this associated function [INFO] [stdout] 717 | where B: IntoFuture, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ required by this bound in `Future::join` [INFO] [stdout] = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/warp-d4cf6f758f7399ec.long-type-13247374059832993609.txt' [INFO] [stdout] = note: consider using `--verbose` to print the full type name to the console [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `warp` (lib) due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "8b753a225b55c9bc49b013beb8cdc7e86cfcedee1f78acb5546df4d85ce5be1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b753a225b55c9bc49b013beb8cdc7e86cfcedee1f78acb5546df4d85ce5be1a", kill_on_drop: false }` [INFO] [stdout] 8b753a225b55c9bc49b013beb8cdc7e86cfcedee1f78acb5546df4d85ce5be1a