[INFO] updating cached repository singhmarut/rust-concurrency [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/singhmarut/rust-concurrency [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/singhmarut/rust-concurrency" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/singhmarut/rust-concurrency"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/singhmarut/rust-concurrency'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/singhmarut/rust-concurrency" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/singhmarut/rust-concurrency"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/singhmarut/rust-concurrency'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] cea217d2def64bef1846a737b9aa097217d53cfd [INFO] sha for GitHub repo singhmarut/rust-concurrency: cea217d2def64bef1846a737b9aa097217d53cfd [INFO] validating manifest of singhmarut/rust-concurrency on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of singhmarut/rust-concurrency on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing singhmarut/rust-concurrency [INFO] finished frobbing singhmarut/rust-concurrency [INFO] frobbed toml for singhmarut/rust-concurrency written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/singhmarut/rust-concurrency/Cargo.toml [INFO] started frobbing singhmarut/rust-concurrency [INFO] finished frobbing singhmarut/rust-concurrency [INFO] frobbed toml for singhmarut/rust-concurrency written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/singhmarut/rust-concurrency/Cargo.toml [INFO] crate singhmarut/rust-concurrency already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking singhmarut/rust-concurrency against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-2/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/singhmarut/rust-concurrency:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 532156091d25955611882f5b01fa76b289e60ac0a57aefd5c04e888005626ce6 [INFO] running `"docker" "start" "-a" "532156091d25955611882f5b01fa76b289e60ac0a57aefd5c04e888005626ce6"` [INFO] [stderr] Checking hello_world v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused imports: `Future`, `Stream` [INFO] [stderr] --> src/main.rs:11:19 [INFO] [stderr] | [INFO] [stderr] 11 | use futures::{Future, Stream}; [INFO] [stderr] | ^^^^^^ ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `AsyncRead`, `io` [INFO] [stderr] --> src/main.rs:12:20 [INFO] [stderr] | [INFO] [stderr] 12 | use tokio_io::{io, AsyncRead}; [INFO] [stderr] | ^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio_core::net::TcpListener` [INFO] [stderr] --> src/main.rs:13:9 [INFO] [stderr] | [INFO] [stderr] 13 | use tokio_core::net::TcpListener; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/network.rs:89:27 [INFO] [stderr] | [INFO] [stderr] 89 | type Future = Box>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Future`, `Stream` [INFO] [stderr] --> src/main.rs:11:19 [INFO] [stderr] | [INFO] [stderr] 11 | use futures::{Future, Stream}; [INFO] [stderr] | ^^^^^^ ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `AsyncRead`, `io` [INFO] [stderr] --> src/main.rs:12:20 [INFO] [stderr] | [INFO] [stderr] 12 | use tokio_io::{io, AsyncRead}; [INFO] [stderr] | ^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `tokio_core::net::TcpListener` [INFO] [stderr] --> src/main.rs:13:9 [INFO] [stderr] | [INFO] [stderr] 13 | use tokio_core::net::TcpListener; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/network.rs:89:27 [INFO] [stderr] | [INFO] [stderr] 89 | type Future = Box>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/network.rs:128:41 [INFO] [stderr] | [INFO] [stderr] 128 | let bytes_copied = io::copy(reader, writer); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | expected &mut _, found struct `tokio_io::io::ReadHalf` [INFO] [stderr] | help: consider mutably borrowing here: `&mut reader` [INFO] [stderr] | [INFO] [stderr] = note: expected type `&mut _` [INFO] [stderr] found type `tokio_io::io::ReadHalf` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/network.rs:128:49 [INFO] [stderr] | [INFO] [stderr] 128 | let bytes_copied = io::copy(reader, writer); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | expected &mut _, found struct `tokio_io::io::WriteHalf` [INFO] [stderr] | help: consider mutably borrowing here: `&mut writer` [INFO] [stderr] | [INFO] [stderr] = note: expected type `&mut _` [INFO] [stderr] found type `tokio_io::io::WriteHalf` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/network.rs:131:51 [INFO] [stderr] | [INFO] [stderr] 131 | let handle_conn = bytes_copied.map( | (n, _, _)| { [INFO] [stderr] | ^^^^^^^^^ expected u64, found tuple [INFO] [stderr] | [INFO] [stderr] = note: expected type `u64` [INFO] [stderr] found type `(_, _, _)` [INFO] [stderr] [INFO] [stderr] error[E0277]: the trait bound `std::result::Result<(), ()>: futures::Future` is not satisfied [INFO] [stderr] --> src/network.rs:138:20 [INFO] [stderr] | [INFO] [stderr] 138 | handle.spawn(handle_conn); [INFO] [stderr] | ^^^^^ the trait `futures::Future` is not implemented for `std::result::Result<(), ()>` [INFO] [stderr] [INFO] [stderr] error: aborting due to 4 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0277, E0308. [INFO] [stderr] For more information about an error, try `rustc --explain E0277`. [INFO] [stderr] error: Could not compile `hello_world`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/network.rs:128:41 [INFO] [stderr] | [INFO] [stderr] 128 | let bytes_copied = io::copy(reader, writer); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | expected &mut _, found struct `tokio_io::io::ReadHalf` [INFO] [stderr] | help: consider mutably borrowing here: `&mut reader` [INFO] [stderr] | [INFO] [stderr] = note: expected type `&mut _` [INFO] [stderr] found type `tokio_io::io::ReadHalf` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/network.rs:128:49 [INFO] [stderr] | [INFO] [stderr] 128 | let bytes_copied = io::copy(reader, writer); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | expected &mut _, found struct `tokio_io::io::WriteHalf` [INFO] [stderr] | help: consider mutably borrowing here: `&mut writer` [INFO] [stderr] | [INFO] [stderr] = note: expected type `&mut _` [INFO] [stderr] found type `tokio_io::io::WriteHalf` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/network.rs:131:51 [INFO] [stderr] | [INFO] [stderr] 131 | let handle_conn = bytes_copied.map( | (n, _, _)| { [INFO] [stderr] | ^^^^^^^^^ expected u64, found tuple [INFO] [stderr] | [INFO] [stderr] = note: expected type `u64` [INFO] [stderr] found type `(_, _, _)` [INFO] [stderr] [INFO] [stderr] error[E0277]: the trait bound `std::result::Result<(), ()>: futures::Future` is not satisfied [INFO] [stderr] --> src/network.rs:138:20 [INFO] [stderr] | [INFO] [stderr] 138 | handle.spawn(handle_conn); [INFO] [stderr] | ^^^^^ the trait `futures::Future` is not implemented for `std::result::Result<(), ()>` [INFO] [stderr] [INFO] [stderr] error: aborting due to 4 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0277, E0308. [INFO] [stderr] For more information about an error, try `rustc --explain E0277`. [INFO] [stderr] error: Could not compile `hello_world`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "532156091d25955611882f5b01fa76b289e60ac0a57aefd5c04e888005626ce6"` [INFO] running `"docker" "rm" "-f" "532156091d25955611882f5b01fa76b289e60ac0a57aefd5c04e888005626ce6"` [INFO] [stdout] 532156091d25955611882f5b01fa76b289e60ac0a57aefd5c04e888005626ce6