[INFO] cloning repository https://github.com/scraggelz/tokio-timer-example [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scraggelz/tokio-timer-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscraggelz%2Ftokio-timer-example", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscraggelz%2Ftokio-timer-example'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9542a17b8082a42eb5b712f49ea6ae41a9a4d0c1 [INFO] testing scraggelz/tokio-timer-example against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscraggelz%2Ftokio-timer-example" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/scraggelz/tokio-timer-example on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/scraggelz/tokio-timer-example [INFO] finished tweaking git repo https://github.com/scraggelz/tokio-timer-example [INFO] tweaked toml for git repo https://github.com/scraggelz/tokio-timer-example written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/scraggelz/tokio-timer-example already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded utf-8 v0.7.6 [INFO] [stderr] Downloaded openssl-sys v0.9.61 [INFO] [stderr] Downloaded input_buffer v0.4.0 [INFO] [stderr] Downloaded bytes v1.0.1 [INFO] [stderr] Downloaded pin-project-lite v0.2.6 [INFO] [stderr] Downloaded vcpkg v0.2.12 [INFO] [stderr] Downloaded futures-sink v0.3.14 [INFO] [stderr] Downloaded futures-util v0.3.14 [INFO] [stderr] Downloaded lock_api v0.4.3 [INFO] [stderr] Downloaded tokio-macros v1.1.0 [INFO] [stderr] Downloaded pin-project-internal v1.0.7 [INFO] [stderr] Downloaded pin-project v1.0.7 [INFO] [stderr] Downloaded mio v0.7.11 [INFO] [stderr] Downloaded tinyvec v1.2.0 [INFO] [stderr] Downloaded crossbeam-utils v0.8.3 [INFO] [stderr] Downloaded futures-channel v0.3.14 [INFO] [stderr] Downloaded futures-executor v0.3.14 [INFO] [stderr] Downloaded futures-task v0.3.14 [INFO] [stderr] Downloaded slab v0.4.3 [INFO] [stderr] Downloaded cpuid-bool v0.1.2 [INFO] [stderr] Downloaded sha-1 v0.9.4 [INFO] [stderr] Downloaded once_cell v1.7.2 [INFO] [stderr] Downloaded security-framework v2.2.0 [INFO] [stderr] Downloaded tokio v1.5.0 [INFO] [stderr] Downloaded redox_syscall v0.2.6 [INFO] [stderr] Downloaded url v2.2.1 [INFO] [stderr] Downloaded tungstenite v0.13.0 [INFO] [stderr] Downloaded httparse v1.4.0 [INFO] [stderr] Downloaded futures-macro v0.3.14 [INFO] [stderr] Downloaded security-framework-sys v2.2.0 [INFO] [stderr] Downloaded futures v0.3.14 [INFO] [stderr] Downloaded futures-core v0.3.14 [INFO] [stderr] Downloaded futures-io v0.3.14 [INFO] [stderr] Downloaded native-tls v0.2.7 [INFO] [stderr] Downloaded unicode-normalization v0.1.17 [INFO] [stderr] Downloaded tokio-tungstenite v0.14.0 [INFO] [stderr] Downloaded openssl v0.10.33 [INFO] [stderr] Downloaded syn v1.0.70 [INFO] [stderr] Downloaded cc v1.0.67 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 8a9a2a512a6a04f3094624edaa3a48aadfddc2f61340e54ba7398db3c267515f [INFO] running `Command { std: "docker" "start" "-a" "8a9a2a512a6a04f3094624edaa3a48aadfddc2f61340e54ba7398db3c267515f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8a9a2a512a6a04f3094624edaa3a48aadfddc2f61340e54ba7398db3c267515f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a9a2a512a6a04f3094624edaa3a48aadfddc2f61340e54ba7398db3c267515f", kill_on_drop: false }` [INFO] [stdout] 8a9a2a512a6a04f3094624edaa3a48aadfddc2f61340e54ba7398db3c267515f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--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] 8647b49804d7e3c47a7311598e001867c06c8f9cbb77957dce8570e259981b69 [INFO] running `Command { std: "docker" "start" "-a" "8647b49804d7e3c47a7311598e001867c06c8f9cbb77957dce8570e259981b69", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.70 [INFO] [stderr] Compiling futures-sink v0.3.14 [INFO] [stderr] Compiling futures-core v0.3.14 [INFO] [stderr] Compiling openssl v0.10.33 [INFO] [stderr] Compiling futures-task v0.3.14 [INFO] [stderr] Compiling futures-io v0.3.14 [INFO] [stderr] Compiling httparse v1.4.0 [INFO] [stderr] Compiling slab v0.4.3 [INFO] [stderr] Compiling openssl-sys v0.9.61 [INFO] [stderr] Compiling crossbeam-utils v0.8.3 [INFO] [stderr] Compiling tokio v1.5.0 [INFO] [stderr] Compiling lock_api v0.4.3 [INFO] [stderr] Compiling unicode-normalization v0.1.17 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling parking_lot_core v0.8.3 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling signal-hook-registry v1.3.0 [INFO] [stderr] Compiling mio v0.7.11 [INFO] [stderr] Compiling futures-channel v0.3.14 [INFO] [stderr] Compiling rand_core v0.6.2 [INFO] [stderr] Compiling sha-1 v0.9.4 [INFO] [stderr] Compiling parking_lot v0.11.1 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling rand v0.8.3 [INFO] [stderr] Compiling idna v0.2.3 [INFO] [stderr] Compiling native-tls v0.2.7 [INFO] [stderr] Compiling url v2.2.1 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling futures-macro v0.3.14 [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Compiling pin-project-internal v1.0.7 [INFO] [stderr] Compiling tokio-macros v1.1.0 [INFO] [stderr] Compiling thiserror v1.0.24 [INFO] [stderr] Compiling futures-util v0.3.14 [INFO] [stderr] Compiling tungstenite v0.13.0 [INFO] [stderr] Compiling pin-project v1.0.7 [INFO] [stderr] Compiling futures-executor v0.3.14 [INFO] [stderr] Compiling futures v0.3.14 [INFO] [stderr] Compiling tokio-tungstenite v0.14.0 [INFO] [stderr] Compiling tokio_timer_example v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `tokio::time::timeout` [INFO] [stdout] --> src/server.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use tokio::time::timeout; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::sync::oneshot` [INFO] [stdout] --> src/server.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use tokio::sync::oneshot; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate-level attribute should be in the root module [INFO] [stdout] --> src/server.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(async_closure)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/server.rs:58:17 [INFO] [stdout] | [INFO] [stdout] 58 | let mut stop_start_read_inner = stop_start_read.clone(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/server.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | let mut recieved_stop = false; [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/server.rs:50:28 [INFO] [stdout] | [INFO] [stdout] 50 | let (stop_start_write, mut stop_start_read) = crossbeam_channel::unbounded(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `msg` [INFO] [stdout] --> src/server.rs:60:27 [INFO] [stdout] | [INFO] [stdout] 60 | if let Ok(msg) = stop_start_read_inner.recv_timeout(Duration::from_secs(5)) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_msg` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `recieved_stop` [INFO] [stdout] --> src/server.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | let mut recieved_stop = false; [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_recieved_stop` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `Tx` [INFO] [stdout] --> src/server.rs:23:1 [INFO] [stdout] | [INFO] [stdout] 23 | type Tx = UnboundedSender; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `PeerMap` [INFO] [stdout] --> src/server.rs:24:1 [INFO] [stdout] | [INFO] [stdout] 24 | type PeerMap = Arc>>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `type_of` [INFO] [stdout] --> src/server.rs:26:4 [INFO] [stdout] | [INFO] [stdout] 26 | fn type_of(_: T) -> &'static str { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `remove_whitespace` [INFO] [stdout] --> src/server.rs:30:4 [INFO] [stdout] | [INFO] [stdout] 30 | fn remove_whitespace(s: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `handle_connection` [INFO] [stdout] --> src/server.rs:34:10 [INFO] [stdout] | [INFO] [stdout] 34 | async fn handle_connection(peer_map: PeerMap, raw_stream: TcpStream, addr: SocketAddr) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `read_stdin` [INFO] [stdout] --> src/client.rs:49:10 [INFO] [stdout] | [INFO] [stdout] 49 | async fn read_stdin(tx: futures_channel::mpsc::UnboundedSender) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/server.rs:70:13 [INFO] [stdout] | [INFO] [stdout] 70 | stop_start_write.send("stop"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(async_closure)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `future`, `pin_mut` [INFO] [stdout] --> src/main.rs:3:20 [INFO] [stdout] | [INFO] [stdout] 3 | use futures_util::{future, pin_mut, StreamExt}; [INFO] [stdout] | ^^^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::task` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use tokio::task; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `tokio_timer_example` due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/server.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(async_closure)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::time::timeout` [INFO] [stdout] --> src/server.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use tokio::time::timeout; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tokio::sync::oneshot` [INFO] [stdout] --> src/server.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use tokio::sync::oneshot; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/server.rs:58:17 [INFO] [stdout] | [INFO] [stdout] 58 | let mut stop_start_read_inner = stop_start_read.clone(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/server.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | let mut recieved_stop = false; [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/server.rs:50:28 [INFO] [stdout] | [INFO] [stdout] 50 | let (stop_start_write, mut stop_start_read) = crossbeam_channel::unbounded(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "8647b49804d7e3c47a7311598e001867c06c8f9cbb77957dce8570e259981b69", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8647b49804d7e3c47a7311598e001867c06c8f9cbb77957dce8570e259981b69", kill_on_drop: false }` [INFO] [stdout] 8647b49804d7e3c47a7311598e001867c06c8f9cbb77957dce8570e259981b69