[INFO] fetching crate desync 0.7.2... [INFO] checking desync-0.7.2 against master#35936c4839dd272646394779d151e060d0f6b3ac for pr-122960-1 [INFO] extracting crate desync 0.7.2 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate desync 0.7.2 on toolchain 35936c4839dd272646394779d151e060d0f6b3ac [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate desync 0.7.2 [INFO] finished tweaking crates.io crate desync 0.7.2 [INFO] tweaked toml for crates.io crate desync 0.7.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0bf81201a198afd6d72d24a80b0c771d468f442c0fc43d85824d64baef31c2e3 [INFO] running `Command { std: "docker" "start" "-a" "0bf81201a198afd6d72d24a80b0c771d468f442c0fc43d85824d64baef31c2e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0bf81201a198afd6d72d24a80b0c771d468f442c0fc43d85824d64baef31c2e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0bf81201a198afd6d72d24a80b0c771d468f442c0fc43d85824d64baef31c2e3", kill_on_drop: false }` [INFO] [stdout] 0bf81201a198afd6d72d24a80b0c771d468f442c0fc43d85824d64baef31c2e3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4ef08c5d09920574179d964e785f7c110d61f6155397eb1433d61880a9585870 [INFO] running `Command { std: "docker" "start" "-a" "4ef08c5d09920574179d964e785f7c110d61f6155397eb1433d61880a9585870", kill_on_drop: false }` [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling syn v2.0.55 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking desync v0.7.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/scheduler/desync_scheduler.rs:19:19 [INFO] [stdout] | [INFO] [stdout] 19 | use std::result::{Result}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] --> /rustc/35936c4839dd272646394779d151e060d0f6b3ac/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Future` is imported redundantly [INFO] [stdout] --> src/scheduler/desync_scheduler.rs:23:23 [INFO] [stdout] | [INFO] [stdout] 21 | use futures::prelude::*; [INFO] [stdout] | ------------------- the item `Future` is already imported here [INFO] [stdout] 22 | use futures::channel::oneshot; [INFO] [stdout] 23 | use futures::future::{Future}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `num_cpus` is imported redundantly [INFO] [stdout] --> src/scheduler/desync_scheduler.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | use num_cpus; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:125:1 [INFO] [stdout] | [INFO] [stdout] 125 | extern crate num_cpus; [INFO] [stdout] | ---------------------- the item `num_cpus` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Unpin` is imported redundantly [INFO] [stdout] --> src/desync.rs:9:19 [INFO] [stdout] | [INFO] [stdout] 9 | use std::marker::{Unpin}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] --> /rustc/35936c4839dd272646394779d151e060d0f6b3ac/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Unpin` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/desync.rs:15:19 [INFO] [stdout] | [INFO] [stdout] 15 | use std::result::{Result}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] --> /rustc/35936c4839dd272646394779d151e060d0f6b3ac/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Stream` is imported redundantly [INFO] [stdout] --> src/pipe.rs:50:23 [INFO] [stdout] | [INFO] [stdout] 48 | use futures::*; [INFO] [stdout] | ---------- the item `Stream` is already imported here [INFO] [stdout] 49 | use futures::future::{BoxFuture}; [INFO] [stdout] 50 | use futures::stream::{Stream}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `task` is imported redundantly [INFO] [stdout] --> src/pipe.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 48 | use futures::*; [INFO] [stdout] | ---------- the item `task` is already imported here [INFO] [stdout] ... [INFO] [stdout] 51 | use futures::task; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/scheduler/desync_scheduler.rs:19:19 [INFO] [stdout] | [INFO] [stdout] 19 | use std::result::{Result}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] --> /rustc/35936c4839dd272646394779d151e060d0f6b3ac/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Future` is imported redundantly [INFO] [stdout] --> src/scheduler/desync_scheduler.rs:23:23 [INFO] [stdout] | [INFO] [stdout] 21 | use futures::prelude::*; [INFO] [stdout] | ------------------- the item `Future` is already imported here [INFO] [stdout] 22 | use futures::channel::oneshot; [INFO] [stdout] 23 | use futures::future::{Future}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `num_cpus` is imported redundantly [INFO] [stdout] --> src/scheduler/desync_scheduler.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | use num_cpus; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:125:1 [INFO] [stdout] | [INFO] [stdout] 125 | extern crate num_cpus; [INFO] [stdout] | ---------------------- the item `num_cpus` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Unpin` is imported redundantly [INFO] [stdout] --> src/desync.rs:9:19 [INFO] [stdout] | [INFO] [stdout] 9 | use std::marker::{Unpin}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] --> /rustc/35936c4839dd272646394779d151e060d0f6b3ac/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Unpin` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/desync.rs:15:19 [INFO] [stdout] | [INFO] [stdout] 15 | use std::result::{Result}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] --> /rustc/35936c4839dd272646394779d151e060d0f6b3ac/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Stream` is imported redundantly [INFO] [stdout] --> src/pipe.rs:50:23 [INFO] [stdout] | [INFO] [stdout] 48 | use futures::*; [INFO] [stdout] | ---------- the item `Stream` is already imported here [INFO] [stdout] 49 | use futures::future::{BoxFuture}; [INFO] [stdout] 50 | use futures::stream::{Stream}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `task` is imported redundantly [INFO] [stdout] --> src/pipe.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 48 | use futures::*; [INFO] [stdout] | ---------- the item `task` is already imported here [INFO] [stdout] ... [INFO] [stdout] 51 | use futures::task; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `stream` is imported redundantly [INFO] [stdout] --> tests/pipe.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use futures::stream; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 11 | use futures::prelude::*; [INFO] [stdout] | ------------------- the item `stream` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `future` is imported redundantly [INFO] [stdout] --> tests/pipe.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use futures::future; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 11 | use futures::prelude::*; [INFO] [stdout] | ------------------- the item `future` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> tests/scheduler/timeout.rs:14:6 [INFO] [stdout] | [INFO] [stdout] 14 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `future` is imported redundantly [INFO] [stdout] --> tests/desync.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | use futures::prelude::*; [INFO] [stdout] | ------------------- the item `future` is already imported here [INFO] [stdout] 10 | use futures::future; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.07s [INFO] running `Command { std: "docker" "inspect" "4ef08c5d09920574179d964e785f7c110d61f6155397eb1433d61880a9585870", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ef08c5d09920574179d964e785f7c110d61f6155397eb1433d61880a9585870", kill_on_drop: false }` [INFO] [stdout] 4ef08c5d09920574179d964e785f7c110d61f6155397eb1433d61880a9585870