[INFO] fetching crate futures_codec 0.4.1... [INFO] checking futures_codec-0.4.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate futures_codec 0.4.1 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate futures_codec 0.4.1 [INFO] finished tweaking crates.io crate futures_codec 0.4.1 [INFO] tweaked toml for crates.io crate futures_codec 0.4.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate futures_codec 0.4.1 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 28 packages to latest compatible versions [INFO] [stderr] Adding bytes v0.5.6 (available: v1.10.1) [INFO] [stderr] Adding pin-project v0.4.30 (available: v1.1.10) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fbb0cfef7b3adbf753177f156ee1f7f2aee5bcf3c4e78cad65879f8104352f76 [INFO] running `Command { std: "docker" "start" "-a" "fbb0cfef7b3adbf753177f156ee1f7f2aee5bcf3c4e78cad65879f8104352f76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fbb0cfef7b3adbf753177f156ee1f7f2aee5bcf3c4e78cad65879f8104352f76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fbb0cfef7b3adbf753177f156ee1f7f2aee5bcf3c4e78cad65879f8104352f76", kill_on_drop: false }` [INFO] [stdout] fbb0cfef7b3adbf753177f156ee1f7f2aee5bcf3c4e78cad65879f8104352f76 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bd642bf2215ca8e54df77f931a88ebb87da5e4780b7beb1f8febe8aeecd48579 [INFO] running `Command { std: "docker" "start" "-a" "bd642bf2215ca8e54df77f931a88ebb87da5e4780b7beb1f8febe8aeecd48579", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Checking futures-core v0.3.31 [INFO] [stderr] Checking futures-sink v0.3.31 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking memchr v2.7.5 [INFO] [stderr] Checking slab v0.4.10 [INFO] [stderr] Checking futures-io v0.3.31 [INFO] [stderr] Checking pin-project-lite v0.2.16 [INFO] [stderr] Checking futures-task v0.3.31 [INFO] [stderr] Compiling pin-project-internal v0.4.30 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking futures-channel v0.3.31 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking pin-project v0.4.30 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Checking futures_codec v0.4.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0277]: the trait bound `std::io::Cursor<&String>: AsyncRead` is not satisfied [INFO] [stdout] --> benches/lines.rs:20:46 [INFO] [stdout] | [INFO] [stdout] 20 | let mut framed = FramedRead::new(read, LinesCodec {}); [INFO] [stdout] | --------------- ^^^^ the trait `AsyncRead` is not implemented for `std::io::Cursor<&String>` [INFO] [stdout] | | [INFO] [stdout] | required by a bound introduced by this call [INFO] [stdout] | [INFO] [stdout] = help: the following other types implement trait `AsyncRead`: [INFO] [stdout] &[u8] [INFO] [stdout] &mut T [INFO] [stdout] AllowStdIo [INFO] [stdout] Box [INFO] [stdout] Either [INFO] [stdout] IntoAsyncRead [INFO] [stdout] Pin

[INFO] [stdout] ReadHalf [INFO] [stdout] and 8 others [INFO] [stdout] note: required by a bound in `FramedRead::::new` [INFO] [stdout] --> /opt/rustwide/workdir/src/framed_read.rs:53:8 [INFO] [stdout] | [INFO] [stdout] 53 | T: AsyncRead, [INFO] [stdout] | ^^^^^^^^^ required by this bound in `FramedRead::::new` [INFO] [stdout] ... [INFO] [stdout] 57 | pub fn new(inner: T, decoder: D) -> Self { [INFO] [stdout] | --- required by a bound in this associated function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: the method `try_next` exists for struct `FramedRead, LinesCodec>`, but its trait bounds were not satisfied [INFO] [stdout] --> benches/lines.rs:22:20 [INFO] [stdout] | [INFO] [stdout] 22 | framed.try_next().await.unwrap(); [INFO] [stdout] | ^^^^^^^^ method cannot be called on `FramedRead, LinesCodec>` due to unsatisfied trait bounds [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/workdir/src/framed_read.rs:33:1 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct FramedRead { [INFO] [stdout] | --------------------------- doesn't satisfy `_: TryStreamExt` or `_: TryStream` [INFO] [stdout] | [INFO] [stdout] = note: the following trait bounds were not satisfied: [INFO] [stdout] `FramedRead, LinesCodec>: TryStream` [INFO] [stdout] which is required by `FramedRead, LinesCodec>: TryStreamExt` [INFO] [stdout] `std::io::Cursor<&String>: TryStream` [INFO] [stdout] which is required by `std::io::Cursor<&String>: TryStreamExt` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: the method `try_next` exists for struct `FramedRead, LinesCodec>`, but its trait bounds were not satisfied [INFO] [stdout] --> benches/lines.rs:23:20 [INFO] [stdout] | [INFO] [stdout] 23 | framed.try_next().await.unwrap(); [INFO] [stdout] | ^^^^^^^^ method cannot be called on `FramedRead, LinesCodec>` due to unsatisfied trait bounds [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/workdir/src/framed_read.rs:33:1 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct FramedRead { [INFO] [stdout] | --------------------------- doesn't satisfy `_: TryStreamExt` or `_: TryStream` [INFO] [stdout] | [INFO] [stdout] = note: the following trait bounds were not satisfied: [INFO] [stdout] `FramedRead, LinesCodec>: TryStream` [INFO] [stdout] which is required by `FramedRead, LinesCodec>: TryStreamExt` [INFO] [stdout] `std::io::Cursor<&String>: TryStream` [INFO] [stdout] which is required by `std::io::Cursor<&String>: TryStreamExt` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: the method `try_next` exists for struct `FramedRead, LinesCodec>`, but its trait bounds were not satisfied [INFO] [stdout] --> benches/lines.rs:24:20 [INFO] [stdout] | [INFO] [stdout] 24 | framed.try_next().await.is_ok() [INFO] [stdout] | ^^^^^^^^ method cannot be called on `FramedRead, LinesCodec>` due to unsatisfied trait bounds [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/workdir/src/framed_read.rs:33:1 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct FramedRead { [INFO] [stdout] | --------------------------- doesn't satisfy `_: TryStreamExt` or `_: TryStream` [INFO] [stdout] | [INFO] [stdout] = note: the following trait bounds were not satisfied: [INFO] [stdout] `FramedRead, LinesCodec>: TryStream` [INFO] [stdout] which is required by `FramedRead, LinesCodec>: TryStreamExt` [INFO] [stdout] `std::io::Cursor<&String>: TryStream` [INFO] [stdout] which is required by `std::io::Cursor<&String>: TryStreamExt` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `std::io::Cursor<&String>: AsyncRead` is not satisfied [INFO] [stdout] --> benches/lines.rs:40:46 [INFO] [stdout] | [INFO] [stdout] 40 | let mut framed = FramedRead::new(read, LinesCodec {}); [INFO] [stdout] | --------------- ^^^^ the trait `AsyncRead` is not implemented for `std::io::Cursor<&String>` [INFO] [stdout] | | [INFO] [stdout] | required by a bound introduced by this call [INFO] [stdout] | [INFO] [stdout] = help: the following other types implement trait `AsyncRead`: [INFO] [stdout] &[u8] [INFO] [stdout] &mut T [INFO] [stdout] AllowStdIo [INFO] [stdout] Box [INFO] [stdout] Either [INFO] [stdout] IntoAsyncRead [INFO] [stdout] Pin

[INFO] [stdout] ReadHalf [INFO] [stdout] and 8 others [INFO] [stdout] note: required by a bound in `FramedRead::::new` [INFO] [stdout] --> /opt/rustwide/workdir/src/framed_read.rs:53:8 [INFO] [stdout] | [INFO] [stdout] 53 | T: AsyncRead, [INFO] [stdout] | ^^^^^^^^^ required by this bound in `FramedRead::::new` [INFO] [stdout] ... [INFO] [stdout] 57 | pub fn new(inner: T, decoder: D) -> Self { [INFO] [stdout] | --- required by a bound in this associated function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: the method `try_next` exists for struct `FramedRead, LinesCodec>`, but its trait bounds were not satisfied [INFO] [stdout] --> benches/lines.rs:42:20 [INFO] [stdout] | [INFO] [stdout] 42 | framed.try_next().await.unwrap(); [INFO] [stdout] | ^^^^^^^^ method cannot be called on `FramedRead, LinesCodec>` due to unsatisfied trait bounds [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/workdir/src/framed_read.rs:33:1 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct FramedRead { [INFO] [stdout] | --------------------------- doesn't satisfy `_: TryStreamExt` or `_: TryStream` [INFO] [stdout] | [INFO] [stdout] = note: the following trait bounds were not satisfied: [INFO] [stdout] `FramedRead, LinesCodec>: TryStream` [INFO] [stdout] which is required by `FramedRead, LinesCodec>: TryStreamExt` [INFO] [stdout] `std::io::Cursor<&String>: TryStream` [INFO] [stdout] which is required by `std::io::Cursor<&String>: TryStreamExt` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: the method `try_next` exists for struct `FramedRead, LinesCodec>`, but its trait bounds were not satisfied [INFO] [stdout] --> benches/lines.rs:43:20 [INFO] [stdout] | [INFO] [stdout] 43 | framed.try_next().await.unwrap(); [INFO] [stdout] | ^^^^^^^^ method cannot be called on `FramedRead, LinesCodec>` due to unsatisfied trait bounds [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/workdir/src/framed_read.rs:33:1 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct FramedRead { [INFO] [stdout] | --------------------------- doesn't satisfy `_: TryStreamExt` or `_: TryStream` [INFO] [stdout] | [INFO] [stdout] = note: the following trait bounds were not satisfied: [INFO] [stdout] `FramedRead, LinesCodec>: TryStream` [INFO] [stdout] which is required by `FramedRead, LinesCodec>: TryStreamExt` [INFO] [stdout] `std::io::Cursor<&String>: TryStream` [INFO] [stdout] which is required by `std::io::Cursor<&String>: TryStreamExt` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: the method `try_next` exists for struct `FramedRead, LinesCodec>`, but its trait bounds were not satisfied [INFO] [stdout] --> benches/lines.rs:44:20 [INFO] [stdout] | [INFO] [stdout] 44 | framed.try_next().await.is_ok() [INFO] [stdout] | ^^^^^^^^ method cannot be called on `FramedRead, LinesCodec>` due to unsatisfied trait bounds [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/workdir/src/framed_read.rs:33:1 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct FramedRead { [INFO] [stdout] | --------------------------- doesn't satisfy `_: TryStreamExt` or `_: TryStream` [INFO] [stdout] | [INFO] [stdout] = note: the following trait bounds were not satisfied: [INFO] [stdout] `FramedRead, LinesCodec>: TryStream` [INFO] [stdout] which is required by `FramedRead, LinesCodec>: TryStreamExt` [INFO] [stdout] `std::io::Cursor<&String>: TryStream` [INFO] [stdout] which is required by `std::io::Cursor<&String>: TryStreamExt` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `std::io::Cursor<&String>: AsyncRead` is not satisfied [INFO] [stdout] --> benches/lines.rs:60:46 [INFO] [stdout] | [INFO] [stdout] 60 | let mut framed = FramedRead::new(read, LinesCodec {}); [INFO] [stdout] | --------------- ^^^^ the trait `AsyncRead` is not implemented for `std::io::Cursor<&String>` [INFO] [stdout] | | [INFO] [stdout] | required by a bound introduced by this call [INFO] [stdout] | [INFO] [stdout] = help: the following other types implement trait `AsyncRead`: [INFO] [stdout] &[u8] [INFO] [stdout] &mut T [INFO] [stdout] AllowStdIo [INFO] [stdout] Box [INFO] [stdout] Either [INFO] [stdout] IntoAsyncRead [INFO] [stdout] Pin

[INFO] [stdout] ReadHalf [INFO] [stdout] and 8 others [INFO] [stdout] note: required by a bound in `FramedRead::::new` [INFO] [stdout] --> /opt/rustwide/workdir/src/framed_read.rs:53:8 [INFO] [stdout] | [INFO] [stdout] 53 | T: AsyncRead, [INFO] [stdout] | ^^^^^^^^^ required by this bound in `FramedRead::::new` [INFO] [stdout] ... [INFO] [stdout] 57 | pub fn new(inner: T, decoder: D) -> Self { [INFO] [stdout] | --- required by a bound in this associated function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: the method `try_next` exists for struct `FramedRead, LinesCodec>`, but its trait bounds were not satisfied [INFO] [stdout] --> benches/lines.rs:62:20 [INFO] [stdout] | [INFO] [stdout] 62 | framed.try_next().await.unwrap(); [INFO] [stdout] | ^^^^^^^^ method cannot be called on `FramedRead, LinesCodec>` due to unsatisfied trait bounds [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/workdir/src/framed_read.rs:33:1 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct FramedRead { [INFO] [stdout] | --------------------------- doesn't satisfy `_: TryStreamExt` or `_: TryStream` [INFO] [stdout] | [INFO] [stdout] = note: the following trait bounds were not satisfied: [INFO] [stdout] `FramedRead, LinesCodec>: TryStream` [INFO] [stdout] which is required by `FramedRead, LinesCodec>: TryStreamExt` [INFO] [stdout] `std::io::Cursor<&String>: TryStream` [INFO] [stdout] which is required by `std::io::Cursor<&String>: TryStreamExt` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: the method `try_next` exists for struct `FramedRead, LinesCodec>`, but its trait bounds were not satisfied [INFO] [stdout] --> benches/lines.rs:63:20 [INFO] [stdout] | [INFO] [stdout] 63 | framed.try_next().await.unwrap(); [INFO] [stdout] | ^^^^^^^^ method cannot be called on `FramedRead, LinesCodec>` due to unsatisfied trait bounds [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/workdir/src/framed_read.rs:33:1 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct FramedRead { [INFO] [stdout] | --------------------------- doesn't satisfy `_: TryStreamExt` or `_: TryStream` [INFO] [stdout] | [INFO] [stdout] = note: the following trait bounds were not satisfied: [INFO] [stdout] `FramedRead, LinesCodec>: TryStream` [INFO] [stdout] which is required by `FramedRead, LinesCodec>: TryStreamExt` [INFO] [stdout] `std::io::Cursor<&String>: TryStream` [INFO] [stdout] which is required by `std::io::Cursor<&String>: TryStreamExt` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: the method `try_next` exists for struct `FramedRead, LinesCodec>`, but its trait bounds were not satisfied [INFO] [stdout] --> benches/lines.rs:64:20 [INFO] [stdout] | [INFO] [stdout] 64 | framed.try_next().await.is_ok() [INFO] [stdout] | ^^^^^^^^ method cannot be called on `FramedRead, LinesCodec>` due to unsatisfied trait bounds [INFO] [stdout] | [INFO] [stdout] ::: /opt/rustwide/workdir/src/framed_read.rs:33:1 [INFO] [stdout] | [INFO] [stdout] 33 | pub struct FramedRead { [INFO] [stdout] | --------------------------- doesn't satisfy `_: TryStreamExt` or `_: TryStream` [INFO] [stdout] | [INFO] [stdout] = note: the following trait bounds were not satisfied: [INFO] [stdout] `FramedRead, LinesCodec>: TryStream` [INFO] [stdout] which is required by `FramedRead, LinesCodec>: TryStreamExt` [INFO] [stdout] `std::io::Cursor<&String>: TryStream` [INFO] [stdout] which is required by `std::io::Cursor<&String>: TryStreamExt` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `futures_codec` (bench "lines") due to 12 previous errors [INFO] running `Command { std: "docker" "inspect" "bd642bf2215ca8e54df77f931a88ebb87da5e4780b7beb1f8febe8aeecd48579", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd642bf2215ca8e54df77f931a88ebb87da5e4780b7beb1f8febe8aeecd48579", kill_on_drop: false }` [INFO] [stdout] bd642bf2215ca8e54df77f931a88ebb87da5e4780b7beb1f8febe8aeecd48579