[INFO] fetching crate d5 0.4.2... [INFO] checking d5-0.4.2 against try#88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c for pr-154887 [INFO] extracting crate d5 0.4.2 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate d5 0.4.2 [INFO] finished tweaking crates.io crate d5 0.4.2 [INFO] tweaked toml for crates.io crate d5 0.4.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate d5 0.4.2 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 d5 0.4.2 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ec68712121ffc94ffb0e4225cf7ae20622adc662e2e8a1d0cec23c0b01f2f4f0 [INFO] running `Command { std: "docker" "start" "-a" "ec68712121ffc94ffb0e4225cf7ae20622adc662e2e8a1d0cec23c0b01f2f4f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ec68712121ffc94ffb0e4225cf7ae20622adc662e2e8a1d0cec23c0b01f2f4f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec68712121ffc94ffb0e4225cf7ae20622adc662e2e8a1d0cec23c0b01f2f4f0", kill_on_drop: false }` [INFO] [stdout] ec68712121ffc94ffb0e4225cf7ae20622adc662e2e8a1d0cec23c0b01f2f4f0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f136a498a9ee421b770bc48ff50ec45496327e1df3d929517e8232491b879c35 [INFO] running `Command { std: "docker" "start" "-a" "f136a498a9ee421b770bc48ff50ec45496327e1df3d929517e8232491b879c35", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking futures v0.1.29 [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling getrandom v0.1.12 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking lock_api v0.3.1 [INFO] [stderr] Compiling unicase v2.5.1 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Checking block-padding v0.1.4 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking unicode-normalization v0.1.8 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling bitflags v1.2.0 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Compiling mime_guess v2.0.1 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Compiling hyper v0.12.35 [INFO] [stderr] Checking indexmap v1.2.0 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking mime v0.3.14 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking safemem v0.3.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking buf_redux v0.8.4 [INFO] [stderr] Checking tokio-executor v0.1.8 [INFO] [stderr] Checking tokio-sync v0.1.6 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking want v0.2.0 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking http v0.1.18 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking string v0.2.1 [INFO] [stderr] Checking tokio-threadpool v0.1.16 [INFO] [stderr] Checking tokio-timer v0.2.11 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking tokio-buf v0.1.1 [INFO] [stderr] Checking input_buffer v0.2.0 [INFO] [stderr] Checking twoway v0.1.8 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking dtoa v0.4.4 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking url v2.1.0 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking tokio-reactor v0.1.10 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking tokio-fs v0.1.6 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Checking sha-1 v0.8.1 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling mime_guess v1.8.7 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio-udp v0.1.5 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking h2 v0.1.26 [INFO] [stderr] Checking headers-core v0.1.1 [INFO] [stderr] Checking http-body v0.1.0 [INFO] [stderr] Checking tungstenite v0.9.1 [INFO] [stderr] Checking headers v0.2.3 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking multipart v0.16.1 [INFO] [stderr] Checking serde_urlencoded v0.6.1 [INFO] [stderr] Checking serde_json v1.0.41 [INFO] [stderr] Checking warp v0.1.20 [INFO] [stdout] error[E0277]: the trait bound `!: From<()>` is not satisfied [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/warp-0.1.20/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] = 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-0.1.20/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-0.1.29/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-0.1.20/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 `futures::Future` is implemented for `Forward` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-0.1.29/src/stream/forward.rs:78:1 [INFO] [stdout] | [INFO] [stdout] 78 | / impl Future for Forward [INFO] [stdout] 79 | | where U: Sink, [INFO] [stdout] 80 | | T: Stream, [INFO] [stdout] 81 | | T::Error: From, [INFO] [stdout] | |_______________________________________^ [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-73e0917053e9c112.long-type-883706361683352165.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-0.1.20/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] = 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-0.1.20/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-0.1.29/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-0.1.20/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 `futures::Future` is implemented for `Forward` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-0.1.29/src/stream/forward.rs:78:1 [INFO] [stdout] | [INFO] [stdout] 78 | / impl Future for Forward [INFO] [stdout] 79 | | where U: Sink, [INFO] [stdout] 80 | | T: Stream, [INFO] [stdout] 81 | | T::Error: From, [INFO] [stdout] | |_______________________________________^ [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-73e0917053e9c112.long-type-4391200591457863419.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-0.1.20/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 `futures::Future` is implemented for `futures::Map` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-0.1.29/src/future/map.rs:22:1 [INFO] [stdout] | [INFO] [stdout] 22 | / impl Future for Map [INFO] [stdout] 23 | | where A: Future, [INFO] [stdout] 24 | | F: FnOnce(A::Item) -> U, [INFO] [stdout] | |__________________________________^ [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-0.1.29/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-73e0917053e9c112.long-type-17035728162921603858.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" "f136a498a9ee421b770bc48ff50ec45496327e1df3d929517e8232491b879c35", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f136a498a9ee421b770bc48ff50ec45496327e1df3d929517e8232491b879c35", kill_on_drop: false }` [INFO] [stdout] f136a498a9ee421b770bc48ff50ec45496327e1df3d929517e8232491b879c35