[INFO] fetching crate futures-micro 0.4.0...
[INFO] checking futures-micro-0.4.0 against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] extracting crate futures-micro 0.4.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate futures-micro 0.4.0 on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-micro 0.4.0
[INFO] finished tweaking crates.io crate futures-micro 0.4.0
[INFO] tweaked toml for crates.io crate futures-micro 0.4.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "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] ff84bf7fad34eb004613b3eed41eb94faa4322c002375e938ec967258644dc9c
[INFO] running `Command { std: "docker" "start" "-a" "ff84bf7fad34eb004613b3eed41eb94faa4322c002375e938ec967258644dc9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff84bf7fad34eb004613b3eed41eb94faa4322c002375e938ec967258644dc9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff84bf7fad34eb004613b3eed41eb94faa4322c002375e938ec967258644dc9c", kill_on_drop: false }`
[INFO] [stdout] ff84bf7fad34eb004613b3eed41eb94faa4322c002375e938ec967258644dc9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa587c23fd9fa9f7226319cf7b0ad1d67191f2531f7b489d121bac91b3e56d54
[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" "aa587c23fd9fa9f7226319cf7b0ad1d67191f2531f7b489d121bac91b3e56d54", kill_on_drop: false }`
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking futures-micro v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-lite v0.1.11
[INFO] [stdout] warning: unused import: `FutureExt`
[INFO] [stdout]  --> tests/test.rs:5:38
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures_lite::future::{block_on, FutureExt};
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.26s
[INFO] running `Command { std: "docker" "inspect" "aa587c23fd9fa9f7226319cf7b0ad1d67191f2531f7b489d121bac91b3e56d54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa587c23fd9fa9f7226319cf7b0ad1d67191f2531f7b489d121bac91b3e56d54", kill_on_drop: false }`
[INFO] [stdout] aa587c23fd9fa9f7226319cf7b0ad1d67191f2531f7b489d121bac91b3e56d54