[INFO] fetching crate sillad-conntest 0.2.0...
[INFO] checking sillad-conntest-0.2.0 against try#95813608313bff49cfc1afc393a946a3c085b772 for pr-148946
[INFO] extracting crate sillad-conntest 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate sillad-conntest 0.2.0
[INFO] finished tweaking crates.io crate sillad-conntest 0.2.0
[INFO] tweaked toml for crates.io crate sillad-conntest 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sillad-conntest 0.2.0 on toolchain 95813608313bff49cfc1afc393a946a3c085b772
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "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" "+95813608313bff49cfc1afc393a946a3c085b772" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 147 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23f48ab77b9620e4759bfb105e43c1c009a033a4d3380c9cc8b1996966c28cd0
[INFO] running `Command { std: "docker" "start" "-a" "23f48ab77b9620e4759bfb105e43c1c009a033a4d3380c9cc8b1996966c28cd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23f48ab77b9620e4759bfb105e43c1c009a033a4d3380c9cc8b1996966c28cd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23f48ab77b9620e4759bfb105e43c1c009a033a4d3380c9cc8b1996966c28cd0", kill_on_drop: false }`
[INFO] [stdout] 23f48ab77b9620e4759bfb105e43c1c009a033a4d3380c9cc8b1996966c28cd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6494f63e9f605eb62461df054bdd65971b1cae236e6e11e453a7268e69fba438
[INFO] running `Command { std: "docker" "start" "-a" "6494f63e9f605eb62461df054bdd65971b1cae236e6e11e453a7268e69fba438", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
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[INFO] [stderr]    Compiling async-io v2.6.0
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[INFO] [stderr]     Checking sillad v0.2.6
[INFO] [stderr]     Checking smolscale v0.4.16
[INFO] [stderr]     Checking sillad-conntest v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/lib.rs:162:34
[INFO] [stdout]     |
[INFO] [stdout] 162 |                     let n = conn.read(&mut buf).await?;
[INFO] [stdout]     |                                  ^^^^ multiple `read` found
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl of the trait `futures_lite::AsyncReadExt` for the type `R`
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `futures_util::AsyncReadExt` for the type `R`
[INFO] [stdout] help: disambiguate the method for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 162 -                     let n = conn.read(&mut buf).await?;
[INFO] [stdout] 162 +                     let n = futures_lite::AsyncReadExt::read(&mut conn, &mut buf).await?;
[INFO] [stdout]     |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 162 -                     let n = conn.read(&mut buf).await?;
[INFO] [stdout] 162 +                     let n = futures_util::AsyncReadExt::read(&mut conn, &mut buf).await?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/lib.rs:166:26
[INFO] [stdout]     |
[INFO] [stdout] 166 |                     conn.write_all(&buf[..n]).await?;
[INFO] [stdout]     |                          ^^^^^^^^^ multiple `write_all` found
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl of the trait `futures_lite::AsyncWriteExt` for the type `W`
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `futures_util::AsyncWriteExt` for the type `W`
[INFO] [stdout] help: disambiguate the method for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 166 -                     conn.write_all(&buf[..n]).await?;
[INFO] [stdout] 166 +                     futures_lite::AsyncWriteExt::write_all(&mut conn, &buf[..n]).await?;
[INFO] [stdout]     |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 166 -                     conn.write_all(&buf[..n]).await?;
[INFO] [stdout] 166 +                     futures_util::AsyncWriteExt::write_all(&mut conn, &buf[..n]).await?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/lib.rs:187:25
[INFO] [stdout]     |
[INFO] [stdout] 187 |             client_pipe.write_all(test_message).await?;
[INFO] [stdout]     |                         ^^^^^^^^^ multiple `write_all` found
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl of the trait `futures_lite::AsyncWriteExt` for the type `W`
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `futures_util::AsyncWriteExt` for the type `W`
[INFO] [stdout] help: disambiguate the method for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 187 -             client_pipe.write_all(test_message).await?;
[INFO] [stdout] 187 +             futures_lite::AsyncWriteExt::write_all(&mut client_pipe, test_message).await?;
[INFO] [stdout]     |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 187 -             client_pipe.write_all(test_message).await?;
[INFO] [stdout] 187 +             futures_util::AsyncWriteExt::write_all(&mut client_pipe, test_message).await?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/lib.rs:189:25
[INFO] [stdout]     |
[INFO] [stdout] 189 |             client_pipe.read_exact(&mut buf).await?;
[INFO] [stdout]     |                         ^^^^^^^^^^ multiple `read_exact` found
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl of the trait `futures_lite::AsyncReadExt` for the type `R`
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `futures_util::AsyncReadExt` for the type `R`
[INFO] [stdout] help: disambiguate the method for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 189 -             client_pipe.read_exact(&mut buf).await?;
[INFO] [stdout] 189 +             futures_lite::AsyncReadExt::read_exact(&mut client_pipe, &mut buf).await?;
[INFO] [stdout]     |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 189 -             client_pipe.read_exact(&mut buf).await?;
[INFO] [stdout] 189 +             futures_util::AsyncReadExt::read_exact(&mut client_pipe, &mut buf).await?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/lib.rs:218:29
[INFO] [stdout]     |
[INFO] [stdout] 218 |                     if conn.read_exact(&mut size_buf).await.is_err() {
[INFO] [stdout]     |                             ^^^^^^^^^^ multiple `read_exact` found
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl of the trait `futures_lite::AsyncReadExt` for the type `R`
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `futures_util::AsyncReadExt` for the type `R`
[INFO] [stdout] help: disambiguate the method for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 218 -                     if conn.read_exact(&mut size_buf).await.is_err() {
[INFO] [stdout] 218 +                     if futures_lite::AsyncReadExt::read_exact(&mut conn, &mut size_buf).await.is_err() {
[INFO] [stdout]     |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 218 -                     if conn.read_exact(&mut size_buf).await.is_err() {
[INFO] [stdout] 218 +                     if futures_util::AsyncReadExt::read_exact(&mut conn, &mut size_buf).await.is_err() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/lib.rs:218:24
[INFO] [stdout]     |
[INFO] [stdout] 218 |                     if conn.read_exact(&mut size_buf).await.is_err() {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/lib.rs:227:26
[INFO] [stdout]     |
[INFO] [stdout] 227 |                     conn.read_exact(&mut payload).await?;
[INFO] [stdout]     |                          ^^^^^^^^^^ multiple `read_exact` found
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl of the trait `futures_lite::AsyncReadExt` for the type `R`
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `futures_util::AsyncReadExt` for the type `R`
[INFO] [stdout] help: disambiguate the method for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 227 -                     conn.read_exact(&mut payload).await?;
[INFO] [stdout] 227 +                     futures_lite::AsyncReadExt::read_exact(&mut conn, &mut payload).await?;
[INFO] [stdout]     |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 227 -                     conn.read_exact(&mut payload).await?;
[INFO] [stdout] 227 +                     futures_util::AsyncReadExt::read_exact(&mut conn, &mut payload).await?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> src/lib.rs:233:26
[INFO] [stdout]     |
[INFO] [stdout] 233 |                     conn.write_all(&payload).await?;
[INFO] [stdout]     |                          ^^^^^^^^^ multiple `write_all` found
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl of the trait `futures_lite::AsyncWriteExt` for the type `W`
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `futures_util::AsyncWriteExt` for the type `W`
[INFO] [stdout] help: disambiguate the method for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 233 -                     conn.write_all(&payload).await?;
[INFO] [stdout] 233 +                     futures_lite::AsyncWriteExt::write_all(&mut conn, &payload).await?;
[INFO] [stdout]     |
[INFO] [stdout] help: disambiguate the method for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 233 -                     conn.write_all(&payload).await?;
[INFO] [stdout] 233 +                     futures_util::AsyncWriteExt::write_all(&mut conn, &payload).await?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0034, E0282.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sillad-conntest` (lib test) due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "6494f63e9f605eb62461df054bdd65971b1cae236e6e11e453a7268e69fba438", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6494f63e9f605eb62461df054bdd65971b1cae236e6e11e453a7268e69fba438", kill_on_drop: false }`
[INFO] [stdout] 6494f63e9f605eb62461df054bdd65971b1cae236e6e11e453a7268e69fba438
