[INFO] cloning repository https://github.com/sabahtalateh/hello_async [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sabahtalateh/hello_async" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsabahtalateh%2Fhello_async", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsabahtalateh%2Fhello_async'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cedd7306a8da53fcd0028f9ab8c98329d5003219 [INFO] checking sabahtalateh/hello_async against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsabahtalateh%2Fhello_async" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sabahtalateh/hello_async on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/sabahtalateh/hello_async already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-threadpool v0.1.15 [INFO] [stderr] Downloaded getrandom v0.1.8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e0332a4a6fffcb865441d6689b8252b01b265979a3b19dbc86b5bebd5dc025dd [INFO] running `Command { std: "docker" "start" "-a" "e0332a4a6fffcb865441d6689b8252b01b265979a3b19dbc86b5bebd5dc025dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e0332a4a6fffcb865441d6689b8252b01b265979a3b19dbc86b5bebd5dc025dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0332a4a6fffcb865441d6689b8252b01b265979a3b19dbc86b5bebd5dc025dd", kill_on_drop: false }` [INFO] [stdout] e0332a4a6fffcb865441d6689b8252b01b265979a3b19dbc86b5bebd5dc025dd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8faeb3ff14030a1c3d96a9d9c204e12cbc1e71f68b4a6e666653ecd010d30c84 [INFO] running `Command { std: "docker" "start" "-a" "8faeb3ff14030a1c3d96a9d9c204e12cbc1e71f68b4a6e666653ecd010d30c84", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling autocfg v0.1.5 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking futures v0.1.28 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking getrandom v0.1.8 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking rand_core v0.5.0 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.0 [INFO] [stderr] Checking tokio-executor v0.1.8 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking tokio-sync v0.1.6 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking tokio-timer v0.2.11 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking parking_lot_core v0.4.0 [INFO] [stderr] Checking tokio-threadpool v0.1.15 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking tokio-fs v0.1.6 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking tokio-core v0.1.17 [INFO] [stderr] Checking hello_async v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0601]: `main` function not found in crate `struct_lines_codec` [INFO] [stdout] --> src/bin/struct_lines_codec.rs:1:2 [INFO] [stdout] | [INFO] [stdout] 1 | [INFO] [stdout] | ^ consider adding a `main` function to `src/bin/struct_lines_codec.rs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0601`. [INFO] [stdout] [INFO] [stderr] error: could not compile `hello_async` (bin "struct_lines_codec") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0271]: type mismatch resolving `>> as Future>::Item == (Duration, Sender>)` [INFO] [stdout] --> src/bin/tokio_ping_pong.rs:52:6 [INFO] [stdout] | [INFO] [stdout] 52 | ) -> impl Future), Error = ()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Sender>`, found `(Duration, Sender>)` [INFO] [stdout] ... [INFO] [stdout] 55 | tx.send(resp_tx) [INFO] [stdout] | ---------------- return type was inferred to be `futures::sink::Send>>` here [INFO] [stdout] | [INFO] [stdout] = note: expected struct `tokio::sync::mpsc::Sender>` [INFO] [stdout] found tuple `(Duration, tokio::sync::mpsc::Sender>)` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0271]: type mismatch resolving `>> as Future>::Error == ()` [INFO] [stdout] --> src/bin/tokio_ping_pong.rs:52:6 [INFO] [stdout] | [INFO] [stdout] 52 | ) -> impl Future), Error = ()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `SendError`, found `()` [INFO] [stdout] ... [INFO] [stdout] 55 | tx.send(resp_tx) [INFO] [stdout] | ---------------- return type was inferred to be `futures::sink::Send>>` here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0271]: type mismatch resolving `>), Error = ()>> as Future>::Item == ()` [INFO] [stdout] --> src/bin/tokio_ping_pong.rs:87:26 [INFO] [stdout] | [INFO] [stdout] 87 | tokio::spawn(lazy(|| rtt(tx))) [INFO] [stdout] | ------------ ^^^^^^^^^^^^^^^^ expected `()`, found `(Duration, Sender>)` [INFO] [stdout] | | [INFO] [stdout] | required by a bound introduced by this call [INFO] [stdout] | [INFO] [stdout] = note: expected unit type `()` [INFO] [stdout] found tuple `(Duration, tokio::sync::mpsc::Sender>)` [INFO] [stdout] note: required by a bound in `tokio::spawn` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tokio-0.1.22/src/executor/mod.rs:131:17 [INFO] [stdout] | [INFO] [stdout] 130 | pub fn spawn(f: F) -> Spawn [INFO] [stdout] | ----- required by a bound in this function [INFO] [stdout] 131 | where F: Future + 'static + Send [INFO] [stdout] | ^^^^^^^^^ required by this bound in `spawn` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/bin/tokio_ping_pong.rs:87:13 [INFO] [stdout] | [INFO] [stdout] 87 | tokio::spawn(lazy(|| rtt(tx))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `()`, found `Spawn` [INFO] [stdout] | [INFO] [stdout] help: consider using a semicolon here [INFO] [stdout] | [INFO] [stdout] 87 | tokio::spawn(lazy(|| rtt(tx))); [INFO] [stdout] | + [INFO] [stdout] help: you might have meant to return this value [INFO] [stdout] | [INFO] [stdout] 87 | return tokio::spawn(lazy(|| rtt(tx))); [INFO] [stdout] | ++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0271, E0308. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0271`. [INFO] [stdout] [INFO] [stderr] error: could not compile `hello_async` (bin "tokio_ping_pong") due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "8faeb3ff14030a1c3d96a9d9c204e12cbc1e71f68b4a6e666653ecd010d30c84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8faeb3ff14030a1c3d96a9d9c204e12cbc1e71f68b4a6e666653ecd010d30c84", kill_on_drop: false }` [INFO] [stdout] 8faeb3ff14030a1c3d96a9d9c204e12cbc1e71f68b4a6e666653ecd010d30c84