[INFO] cloning repository https://github.com/zesterer/flume [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zesterer/flume" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzesterer%2Fflume", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzesterer%2Fflume'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8bbe19318e1a00bd8984d80a04da0b5d0fa6f6f7 [INFO] checking zesterer/flume against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzesterer%2Fflume" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zesterer/flume on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/zesterer/flume [INFO] finished tweaking git repo https://github.com/zesterer/flume [INFO] tweaked toml for git repo https://github.com/zesterer/flume written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0a4fa5618dd146bed161860ebfa31ffb11f526be5ed2c04172ad36983bdbff42 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "0a4fa5618dd146bed161860ebfa31ffb11f526be5ed2c04172ad36983bdbff42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0a4fa5618dd146bed161860ebfa31ffb11f526be5ed2c04172ad36983bdbff42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a4fa5618dd146bed161860ebfa31ffb11f526be5ed2c04172ad36983bdbff42", kill_on_drop: false }` [INFO] [stdout] 0a4fa5618dd146bed161860ebfa31ffb11f526be5ed2c04172ad36983bdbff42 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2d0c84ba8f8e37d57e6f0d7871684e30d26c197643a79475aa5e1d08b1352b71 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "2d0c84ba8f8e37d57e6f0d7871684e30d26c197643a79475aa5e1d08b1352b71", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Checking futures-io v0.3.18 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Checking fastrand v1.5.0 [INFO] [stderr] Checking futures-sink v0.3.18 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Compiling signal-hook v0.3.10 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking ppv-lite86 v0.2.15 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking lock_api v0.4.5 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking async-channel v1.6.1 [INFO] [stderr] Checking futures-channel v0.3.18 [INFO] [stderr] Checking futures-lite v1.12.0 [INFO] [stderr] Checking spin v0.9.2 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking criterion-plot v0.4.4 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling value-bag v1.0.0-alpha.8 [INFO] [stderr] Checking crossbeam-epoch v0.9.5 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking blocking v1.1.0 [INFO] [stderr] Checking async-executor v1.4.1 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking socket2 v0.4.2 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking nanorand v0.6.1 [INFO] [stderr] Checking rayon-core v1.9.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking serde_json v1.0.72 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Compiling ctor v0.1.21 [INFO] [stderr] Compiling futures-macro v0.3.18 [INFO] [stderr] Compiling pin-project-internal v1.0.8 [INFO] [stderr] Compiling async-attributes v1.1.2 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Checking futures-util v0.3.18 [INFO] [stderr] Checking log v0.4.14 [INFO] [stderr] Checking polling v2.2.0 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking async-io v1.6.0 [INFO] [stderr] Checking pin-project v1.0.8 [INFO] [stderr] Checking flume v0.10.9 (/opt/rustwide/workdir) [INFO] [stderr] Checking async-global-executor v2.0.2 [INFO] [stderr] Checking async-process v1.3.0 [INFO] [stderr] Checking async-std v1.10.0 [INFO] [stderr] Checking criterion v0.3.5 [INFO] [stderr] Checking futures-executor v0.3.18 [INFO] [stderr] Checking futures v0.3.18 [INFO] [stdout] warning: unused import: `RecvError` [INFO] [stdout] --> tests/array.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | use flume::{RecvError, RecvTimeoutError, TryRecvError}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RecvError` [INFO] [stdout] --> tests/zero.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | use flume::{RecvError, RecvTimeoutError, TryRecvError}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RecvError` [INFO] [stdout] --> tests/list.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | use flume::{RecvError, RecvTimeoutError, TryRecvError}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> tests/mpsc.rs:1689:34 [INFO] [stdout] | [INFO] [stdout] 1689 | _bar = rx2.recv() => { panic!() } [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_braces)]` on by default [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 1689 - _bar = rx2.recv() => { panic!() } [INFO] [stdout] 1689 + _bar = rx2.recv() => panic!() [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> tests/mpsc.rs:1693:34 [INFO] [stdout] | [INFO] [stdout] 1693 | _foo = rx1.recv() => { panic!() }, [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 1693 - _foo = rx1.recv() => { panic!() }, [INFO] [stdout] 1693 + _foo = rx1.recv() => panic!(), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> tests/mpsc.rs:1694:33 [INFO] [stdout] | [INFO] [stdout] 1694 | bar = rx2.recv() => { assert_eq!(bar.unwrap(), 2) } [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 1694 - bar = rx2.recv() => { assert_eq!(bar.unwrap(), 2) } [INFO] [stdout] 1694 + bar = rx2.recv() => assert_eq!(bar.unwrap(), 2) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> tests/mpsc.rs:1699:34 [INFO] [stdout] | [INFO] [stdout] 1699 | _bar = rx2.recv() => { panic!() } [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 1699 - _bar = rx2.recv() => { panic!() } [INFO] [stdout] 1699 + _bar = rx2.recv() => panic!() [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> tests/mpsc.rs:1716:34 [INFO] [stdout] | [INFO] [stdout] 1716 | _foo = rx1.recv() => { panic!("1") }, [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 1716 - _foo = rx1.recv() => { panic!("1") }, [INFO] [stdout] 1716 + _foo = rx1.recv() => panic!("1"), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> tests/mpsc.rs:1717:34 [INFO] [stdout] | [INFO] [stdout] 1717 | _foo = rx2.recv() => { panic!("2") }, [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 1717 - _foo = rx2.recv() => { panic!("2") }, [INFO] [stdout] 1717 + _foo = rx2.recv() => panic!("2"), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> tests/mpsc.rs:1718:34 [INFO] [stdout] | [INFO] [stdout] 1718 | _foo = rx3.recv() => { panic!("3") }, [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 1718 - _foo = rx3.recv() => { panic!("3") }, [INFO] [stdout] 1718 + _foo = rx3.recv() => panic!("3"), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> tests/mpsc.rs:1719:34 [INFO] [stdout] | [INFO] [stdout] 1719 | _foo = rx4.recv() => { panic!("4") }, [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 1719 - _foo = rx4.recv() => { panic!("4") }, [INFO] [stdout] 1719 + _foo = rx4.recv() => panic!("4"), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> tests/mpsc.rs:1731:33 [INFO] [stdout] | [INFO] [stdout] 1731 | _a1 = rx1.recv() => { panic!() }, [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 1731 - _a1 = rx1.recv() => { panic!() }, [INFO] [stdout] 1731 + _a1 = rx1.recv() => panic!(), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> tests/mpsc.rs:1755:32 [INFO] [stdout] | [INFO] [stdout] 1755 | _b = rx2.recv() => { panic!() } [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 1755 - _b = rx2.recv() => { panic!() } [INFO] [stdout] 1755 + _b = rx2.recv() => panic!() [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> tests/mpsc.rs:1759:31 [INFO] [stdout] | [INFO] [stdout] 1759 | a = rx1.recv() => { assert!(a.is_err()) }, [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 1759 - a = rx1.recv() => { assert!(a.is_err()) }, [INFO] [stdout] 1759 + a = rx1.recv() => assert!(a.is_err()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary braces around block return value [INFO] [stdout] --> tests/mpsc.rs:1760:32 [INFO] [stdout] | [INFO] [stdout] 1760 | _b = rx2.recv() => { panic!() } [INFO] [stdout] | ^^ ^^ [INFO] [stdout] | [INFO] [stdout] help: remove these braces [INFO] [stdout] | [INFO] [stdout] 1760 - _b = rx2.recv() => { panic!() } [INFO] [stdout] 1760 + _b = rx2.recv() => panic!() [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item` [INFO] [stdout] --> tests/stream.rs:248:24 [INFO] [stdout] | [INFO] [stdout] 248 | .for_each(|item| async move {}); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_item` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> tests/stream.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | tx.send(42); [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 18s [INFO] running `Command { std: "docker" "inspect" "2d0c84ba8f8e37d57e6f0d7871684e30d26c197643a79475aa5e1d08b1352b71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d0c84ba8f8e37d57e6f0d7871684e30d26c197643a79475aa5e1d08b1352b71", kill_on_drop: false }` [INFO] [stdout] 2d0c84ba8f8e37d57e6f0d7871684e30d26c197643a79475aa5e1d08b1352b71