[INFO] fetching crate tokio-by-hand 0.0.0... [INFO] checking tokio-by-hand-0.0.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744 [INFO] extracting crate tokio-by-hand 0.0.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate tokio-by-hand 0.0.0 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tokio-by-hand 0.0.0 [INFO] finished tweaking crates.io crate tokio-by-hand 0.0.0 [INFO] tweaked toml for crates.io crate tokio-by-hand 0.0.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2f3d208d05ac7c39ef8f80ee978e8bcd5f835765185f05d454694a527a4f50f5 [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" "2f3d208d05ac7c39ef8f80ee978e8bcd5f835765185f05d454694a527a4f50f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2f3d208d05ac7c39ef8f80ee978e8bcd5f835765185f05d454694a527a4f50f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f3d208d05ac7c39ef8f80ee978e8bcd5f835765185f05d454694a527a4f50f5", kill_on_drop: false }` [INFO] [stdout] 2f3d208d05ac7c39ef8f80ee978e8bcd5f835765185f05d454694a527a4f50f5 [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=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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0e24c00fb4eff0f6a31ee2f79475395368464a898e94cb9d18ffc12158c01bde [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" "0e24c00fb4eff0f6a31ee2f79475395368464a898e94cb9d18ffc12158c01bde", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking tokio-core v0.1.18 [INFO] [stderr] Checking tokio-by-hand v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `futures::stream::Take` in tuple element 0 that must be used [INFO] [stdout] --> src/standard/instant_series.rs:91:7 [INFO] [stdout] | [INFO] [stdout] 91 | producer.forward(consumer).wait().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: streams do nothing unless polled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `futures::stream::Take` in tuple element 0 that must be used [INFO] [stdout] --> src/standard/delayed_series.rs:73:5 [INFO] [stdout] | [INFO] [stdout] 73 | core.run(producer.forward(consumer)).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: streams do nothing unless polled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `futures::stream::Take` in tuple element 0 that must be used [INFO] [stdout] --> src/standard/delayed_series.rs:87:5 [INFO] [stdout] | [INFO] [stdout] 87 | core.run(producer.forward(consumer)).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: streams do nothing unless polled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `futures::stream::Take` in tuple element 0 that must be used [INFO] [stdout] --> src/standard/delayed_series.rs:102:5 [INFO] [stdout] | [INFO] [stdout] 102 | core.run(producer.forward(consumer)).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: streams do nothing unless polled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `futures::stream::Take` in tuple element 0 that must be used [INFO] [stdout] --> src/standard/buffered.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 67 | core.run(producer.forward(consumer)).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: streams do nothing unless polled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `futures::stream::Take` in tuple element 0 that must be used [INFO] [stdout] --> src/extended/instant_series.rs:115:7 [INFO] [stdout] | [INFO] [stdout] 115 | producer.forward(consumer).wait().unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: streams do nothing unless polled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `futures::stream::Take` in tuple element 0 that must be used [INFO] [stdout] --> src/extended/delayed_series.rs:98:5 [INFO] [stdout] | [INFO] [stdout] 98 | core.run(producer.forward(consumer)).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: streams do nothing unless polled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `futures::stream::Take` in tuple element 0 that must be used [INFO] [stdout] --> src/extended/delayed_series.rs:112:5 [INFO] [stdout] | [INFO] [stdout] 112 | core.run(producer.forward(consumer)).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: streams do nothing unless polled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `futures::stream::Take` in tuple element 0 that must be used [INFO] [stdout] --> src/extended/delayed_series.rs:127:5 [INFO] [stdout] | [INFO] [stdout] 127 | core.run(producer.forward(consumer)).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: streams do nothing unless polled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `futures::stream::Take` in tuple element 0 that must be used [INFO] [stdout] --> src/extended/buffered.rs:90:5 [INFO] [stdout] | [INFO] [stdout] 90 | core.run(producer.forward(consumer)).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: streams do nothing unless polled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `futures::stream::Map` in tuple element 0 that must be used [INFO] [stdout] --> src/extended/adapter.rs:130:5 [INFO] [stdout] | [INFO] [stdout] 130 | / stream [INFO] [stdout] 131 | | .take(7) [INFO] [stdout] 132 | | .inspect(|x| println!("from stream: {:?}", x)) [INFO] [stdout] 133 | | .map(|x| Outgoing(x.0)) [INFO] [stdout] 134 | | .forward(sink).wait().unwrap(); [INFO] [stdout] | |_____________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: streams do nothing unless polled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 16.42s [INFO] running `Command { std: "docker" "inspect" "0e24c00fb4eff0f6a31ee2f79475395368464a898e94cb9d18ffc12158c01bde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e24c00fb4eff0f6a31ee2f79475395368464a898e94cb9d18ffc12158c01bde", kill_on_drop: false }` [INFO] [stdout] 0e24c00fb4eff0f6a31ee2f79475395368464a898e94cb9d18ffc12158c01bde