[INFO] updating cached repository https://github.com/sabahtalateh/hello_async [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] cedd7306a8da53fcd0028f9ab8c98329d5003219 [INFO] testing sabahtalateh/hello_async against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsabahtalateh%2Fhello_async" "/workspace/builds/worker-10/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sabahtalateh/hello_async on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/sabahtalateh/hello_async [INFO] finished tweaking git repo https://github.com/sabahtalateh/hello_async [INFO] tweaked toml for git repo https://github.com/sabahtalateh/hello_async written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/sabahtalateh/hello_async already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stdout] 1c8e1b38f1eeced1ba81a23b7d9a84965b69b88fd15e930d747ee42035107f48 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "1c8e1b38f1eeced1ba81a23b7d9a84965b69b88fd15e930d747ee42035107f48"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling getrandom v0.1.8 [INFO] [stderr] Compiling mio v0.6.19 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling rand_core v0.5.0 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling tokio-executor v0.1.8 [INFO] [stderr] Compiling crossbeam-epoch v0.7.2 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling rand v0.7.0 [INFO] [stderr] Compiling tokio-io v0.1.12 [INFO] [stderr] Compiling tokio-timer v0.2.11 [INFO] [stderr] Compiling tokio-current-thread v0.1.6 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling crossbeam-deque v0.7.1 [INFO] [stderr] Compiling tokio-threadpool v0.1.15 [INFO] [stderr] Compiling tokio-reactor v0.1.9 [INFO] [stderr] Compiling tokio-codec v0.1.1 [INFO] [stderr] Compiling tokio-tcp v0.1.3 [INFO] [stderr] Compiling tokio-uds v0.2.5 [INFO] [stderr] Compiling tokio-udp v0.1.3 [INFO] [stderr] Compiling tokio-fs v0.1.6 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling tokio-core v0.1.17 [INFO] [stderr] Compiling hello_async v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0601]: `main` function not found in crate `struct_lines_codec` [INFO] [stderr] --> src/bin/struct_lines_codec.rs:1:2 [INFO] [stderr] | [INFO] [stderr] 1 | [INFO] [stderr] | ^ consider adding a `main` function to `src/bin/struct_lines_codec.rs` [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0601`. [INFO] [stderr] error: could not compile `hello_async`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/bin/tokio_read_timeout.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | ; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0023]: this pattern has 3 fields, but the corresponding tuple variant has 1 field [INFO] [stderr] --> src/bin/tokio_echo.rs:33:21 [INFO] [stderr] | [INFO] [stderr] 33 | Ok(amount, _, _) => println!("wrote {} bytes", amount), [INFO] [stderr] | ^^^^^^^^^^^^^^^^ expected 1 field, found 3 [INFO] [stderr] | [INFO] [stderr] help: missing parenthesis [INFO] [stderr] | [INFO] [stderr] 33 | Ok((amount, _, _)) => println!("wrote {} bytes", amount), [INFO] [stderr] | ^ ^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Stream` [INFO] [stderr] --> src/bin/tokio_ping_pong.rs:12:37 [INFO] [stderr] | [INFO] [stderr] 12 | use futures::{future, Future, Sink, Stream}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Instant` [INFO] [stderr] --> src/bin/tokio_ping_pong.rs:14:27 [INFO] [stderr] | [INFO] [stderr] 14 | use std::time::{Duration, Instant}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/tokio_io_read8.rs:16:17 [INFO] [stderr] | [INFO] [stderr] 16 | let mut buf = vec![0; 8]; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0023`. [INFO] [stderr] error[E0271]: type mismatch resolving `>> as futures::future::Future>::Item == (std::time::Duration, tokio_sync::mpsc::bounded::Sender>)` [INFO] [stderr] --> src/bin/tokio_ping_pong.rs:52:6 [INFO] [stderr] | [INFO] [stderr] 52 | ) -> impl Future), Error = ()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `tokio_sync::mpsc::bounded::Sender`, found tuple [INFO] [stderr] | [INFO] [stderr] = note: expected type `tokio_sync::mpsc::bounded::Sender>` [INFO] [stderr] found tuple `(std::time::Duration, tokio_sync::mpsc::bounded::Sender>)` [INFO] [stderr] = note: the return type of a function must have a statically known size [INFO] [stderr] [INFO] [stderr] error[E0271]: type mismatch resolving `>> as futures::future::Future>::Error == ()` [INFO] [stderr] --> src/bin/tokio_ping_pong.rs:52:6 [INFO] [stderr] | [INFO] [stderr] 52 | ) -> impl Future), Error = ()> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `tokio_sync::mpsc::bounded::SendError`, found `()` [INFO] [stderr] | [INFO] [stderr] = note: the return type of a function must have a statically known size [INFO] [stderr] [INFO] [stderr] error[E0271]: type mismatch resolving ` as futures::future::Future>::Item == ()` [INFO] [stderr] --> src/bin/tokio_ping_pong.rs:87:13 [INFO] [stderr] | [INFO] [stderr] 87 | tokio::spawn(lazy(|| rtt(tx))) [INFO] [stderr] | ^^^^^^^^^^^^ expected `()`, found tuple [INFO] [stderr] | [INFO] [stderr] ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-0.1.22/src/executor/mod.rs:131:17 [INFO] [stderr] | [INFO] [stderr] 131 | where F: Future + 'static + Send [INFO] [stderr] | --------- required by this bound in `tokio::executor::spawn` [INFO] [stderr] | [INFO] [stderr] = note: expected unit type `()` [INFO] [stderr] found tuple `(std::time::Duration, tokio_sync::mpsc::bounded::Sender>)` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/tokio_spawn.rs:20:13 [INFO] [stderr] | [INFO] [stderr] 20 | tx.send("hello from spawned task"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/bin/tokio_spawn_cout_bytes_read.rs:88:57 [INFO] [stderr] | [INFO] [stderr] 88 | ... tx.send(buf.len()).map_err(|e| io::ErrorKind::Other.into()) [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/bin/tokio_ping_pong.rs:87:13 [INFO] [stderr] | [INFO] [stderr] 87 | tokio::spawn(lazy(|| rtt(tx))) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- help: try adding a semicolon: `;` [INFO] [stderr] | | [INFO] [stderr] | expected `()`, found struct `tokio::executor::Spawn` [INFO] [stderr] [INFO] [stderr] error: aborting due to 4 previous errors; 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0271, E0308. [INFO] [stderr] For more information about an error, try `rustc --explain E0271`. [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "1c8e1b38f1eeced1ba81a23b7d9a84965b69b88fd15e930d747ee42035107f48"` [INFO] running `"docker" "rm" "-f" "1c8e1b38f1eeced1ba81a23b7d9a84965b69b88fd15e930d747ee42035107f48"` [INFO] [stdout] 1c8e1b38f1eeced1ba81a23b7d9a84965b69b88fd15e930d747ee42035107f48