[INFO] fetching crate futures_codec 0.4.1...
[INFO] checking futures_codec-0.4.1 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate futures_codec 0.4.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate futures_codec 0.4.1 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "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] e280115a92e1c5ae1e1d6b57b5e481fac0e41b1723f8e8a0fe2dd731cb87b21f
[INFO] running `Command { std: "docker" "start" "-a" "e280115a92e1c5ae1e1d6b57b5e481fac0e41b1723f8e8a0fe2dd731cb87b21f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e280115a92e1c5ae1e1d6b57b5e481fac0e41b1723f8e8a0fe2dd731cb87b21f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e280115a92e1c5ae1e1d6b57b5e481fac0e41b1723f8e8a0fe2dd731cb87b21f", kill_on_drop: false }`
[INFO] [stdout] e280115a92e1c5ae1e1d6b57b5e481fac0e41b1723f8e8a0fe2dd731cb87b21f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--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] e3764b69007a9734df34a732a3b141572bfa01565f55ef56184de7fc2c9f8082
[INFO] running `Command { std: "docker" "start" "-a" "e3764b69007a9734df34a732a3b141572bfa01565f55ef56184de7fc2c9f8082", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[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:20:30
[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]    = note: required by `FramedRead::<T, D>::new`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `try_next` found for struct `FramedRead<std::io::Cursor<&String>, LinesCodec>` in the current scope
[INFO] [stdout]   --> benches/lines.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 |               framed.try_next().await.unwrap();
[INFO] [stdout]    |                      ^^^^^^^^ method not found in `FramedRead<std::io::Cursor<&String>, LinesCodec>`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/framed_read.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 |   pub struct FramedRead<T, D> {
[INFO] [stdout]    |   ---------------------------
[INFO] [stdout]    |   |
[INFO] [stdout]    |   doesn't satisfy `_: TryStreamExt`
[INFO] [stdout]    |   doesn't satisfy `_: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method `try_next` exists but the following trait bounds were not satisfied:
[INFO] [stdout]            `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStream`
[INFO] [stdout]            which is required by `FramedRead<std::io::Cursor<&String>, 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]: no method named `try_next` found for struct `FramedRead<std::io::Cursor<&String>, LinesCodec>` in the current scope
[INFO] [stdout]   --> benches/lines.rs:23:20
[INFO] [stdout]    |
[INFO] [stdout] 23 |               framed.try_next().await.unwrap();
[INFO] [stdout]    |                      ^^^^^^^^ method not found in `FramedRead<std::io::Cursor<&String>, LinesCodec>`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/framed_read.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 |   pub struct FramedRead<T, D> {
[INFO] [stdout]    |   ---------------------------
[INFO] [stdout]    |   |
[INFO] [stdout]    |   doesn't satisfy `_: TryStreamExt`
[INFO] [stdout]    |   doesn't satisfy `_: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method `try_next` exists but the following trait bounds were not satisfied:
[INFO] [stdout]            `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStream`
[INFO] [stdout]            which is required by `FramedRead<std::io::Cursor<&String>, 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]: no method named `try_next` found for struct `FramedRead<std::io::Cursor<&String>, LinesCodec>` in the current scope
[INFO] [stdout]   --> benches/lines.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |               framed.try_next().await.is_ok()
[INFO] [stdout]    |                      ^^^^^^^^ method not found in `FramedRead<std::io::Cursor<&String>, LinesCodec>`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/framed_read.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 |   pub struct FramedRead<T, D> {
[INFO] [stdout]    |   ---------------------------
[INFO] [stdout]    |   |
[INFO] [stdout]    |   doesn't satisfy `_: TryStreamExt`
[INFO] [stdout]    |   doesn't satisfy `_: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method `try_next` exists but the following trait bounds were not satisfied:
[INFO] [stdout]            `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStream`
[INFO] [stdout]            which is required by `FramedRead<std::io::Cursor<&String>, 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:40:30
[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]    = note: required by `FramedRead::<T, D>::new`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `try_next` found for struct `FramedRead<std::io::Cursor<&String>, LinesCodec>` in the current scope
[INFO] [stdout]   --> benches/lines.rs:42:20
[INFO] [stdout]    |
[INFO] [stdout] 42 |               framed.try_next().await.unwrap();
[INFO] [stdout]    |                      ^^^^^^^^ method not found in `FramedRead<std::io::Cursor<&String>, LinesCodec>`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/framed_read.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 |   pub struct FramedRead<T, D> {
[INFO] [stdout]    |   ---------------------------
[INFO] [stdout]    |   |
[INFO] [stdout]    |   doesn't satisfy `_: TryStreamExt`
[INFO] [stdout]    |   doesn't satisfy `_: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method `try_next` exists but the following trait bounds were not satisfied:
[INFO] [stdout]            `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStream`
[INFO] [stdout]            which is required by `FramedRead<std::io::Cursor<&String>, 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]: no method named `try_next` found for struct `FramedRead<std::io::Cursor<&String>, LinesCodec>` in the current scope
[INFO] [stdout]   --> benches/lines.rs:43:20
[INFO] [stdout]    |
[INFO] [stdout] 43 |               framed.try_next().await.unwrap();
[INFO] [stdout]    |                      ^^^^^^^^ method not found in `FramedRead<std::io::Cursor<&String>, LinesCodec>`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/framed_read.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 |   pub struct FramedRead<T, D> {
[INFO] [stdout]    |   ---------------------------
[INFO] [stdout]    |   |
[INFO] [stdout]    |   doesn't satisfy `_: TryStreamExt`
[INFO] [stdout]    |   doesn't satisfy `_: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method `try_next` exists but the following trait bounds were not satisfied:
[INFO] [stdout]            `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStream`
[INFO] [stdout]            which is required by `FramedRead<std::io::Cursor<&String>, 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]: no method named `try_next` found for struct `FramedRead<std::io::Cursor<&String>, LinesCodec>` in the current scope
[INFO] [stdout]   --> benches/lines.rs:44:20
[INFO] [stdout]    |
[INFO] [stdout] 44 |               framed.try_next().await.is_ok()
[INFO] [stdout]    |                      ^^^^^^^^ method not found in `FramedRead<std::io::Cursor<&String>, LinesCodec>`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/framed_read.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 |   pub struct FramedRead<T, D> {
[INFO] [stdout]    |   ---------------------------
[INFO] [stdout]    |   |
[INFO] [stdout]    |   doesn't satisfy `_: TryStreamExt`
[INFO] [stdout]    |   doesn't satisfy `_: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method `try_next` exists but the following trait bounds were not satisfied:
[INFO] [stdout]            `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStream`
[INFO] [stdout]            which is required by `FramedRead<std::io::Cursor<&String>, 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:60:30
[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]    = note: required by `FramedRead::<T, D>::new`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `try_next` found for struct `FramedRead<std::io::Cursor<&String>, LinesCodec>` in the current scope
[INFO] [stdout]   --> benches/lines.rs:62:20
[INFO] [stdout]    |
[INFO] [stdout] 62 |               framed.try_next().await.unwrap();
[INFO] [stdout]    |                      ^^^^^^^^ method not found in `FramedRead<std::io::Cursor<&String>, LinesCodec>`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/framed_read.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 |   pub struct FramedRead<T, D> {
[INFO] [stdout]    |   ---------------------------
[INFO] [stdout]    |   |
[INFO] [stdout]    |   doesn't satisfy `_: TryStreamExt`
[INFO] [stdout]    |   doesn't satisfy `_: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method `try_next` exists but the following trait bounds were not satisfied:
[INFO] [stdout]            `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStream`
[INFO] [stdout]            which is required by `FramedRead<std::io::Cursor<&String>, 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]: no method named `try_next` found for struct `FramedRead<std::io::Cursor<&String>, LinesCodec>` in the current scope
[INFO] [stdout]   --> benches/lines.rs:63:20
[INFO] [stdout]    |
[INFO] [stdout] 63 |               framed.try_next().await.unwrap();
[INFO] [stdout]    |                      ^^^^^^^^ method not found in `FramedRead<std::io::Cursor<&String>, LinesCodec>`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/framed_read.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 |   pub struct FramedRead<T, D> {
[INFO] [stdout]    |   ---------------------------
[INFO] [stdout]    |   |
[INFO] [stdout]    |   doesn't satisfy `_: TryStreamExt`
[INFO] [stdout]    |   doesn't satisfy `_: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method `try_next` exists but the following trait bounds were not satisfied:
[INFO] [stdout]            `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStream`
[INFO] [stdout]            which is required by `FramedRead<std::io::Cursor<&String>, 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]: no method named `try_next` found for struct `FramedRead<std::io::Cursor<&String>, LinesCodec>` in the current scope
[INFO] [stdout]   --> benches/lines.rs:64:20
[INFO] [stdout]    |
[INFO] [stdout] 64 |               framed.try_next().await.is_ok()
[INFO] [stdout]    |                      ^^^^^^^^ method not found in `FramedRead<std::io::Cursor<&String>, LinesCodec>`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/framed_read.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 |   pub struct FramedRead<T, D> {
[INFO] [stdout]    |   ---------------------------
[INFO] [stdout]    |   |
[INFO] [stdout]    |   doesn't satisfy `_: TryStreamExt`
[INFO] [stdout]    |   doesn't satisfy `_: TryStream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the method `try_next` exists but the following trait bounds were not satisfied:
[INFO] [stdout]            `FramedRead<std::io::Cursor<&String>, LinesCodec>: TryStream`
[INFO] [stdout]            which is required by `FramedRead<std::io::Cursor<&String>, 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] warning: unused import: `TryStreamExt`
[INFO] [stdout]  --> benches/lines.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures::{executor, TryStreamExt};
[INFO] [stdout]   |                         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors; 1 warning emitted
[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`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "e3764b69007a9734df34a732a3b141572bfa01565f55ef56184de7fc2c9f8082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3764b69007a9734df34a732a3b141572bfa01565f55ef56184de7fc2c9f8082", kill_on_drop: false }`
[INFO] [stdout] e3764b69007a9734df34a732a3b141572bfa01565f55ef56184de7fc2c9f8082
