[INFO] fetching crate async-change-tracker 0.3.2...
[INFO] checking async-change-tracker-0.3.2 against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] extracting crate async-change-tracker 0.3.2 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate async-change-tracker 0.3.2 on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-change-tracker 0.3.2
[INFO] finished tweaking crates.io crate async-change-tracker 0.3.2
[INFO] tweaked toml for crates.io crate async-change-tracker 0.3.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c88ebca5bd26c2ba8b8bcc10c39cbefcd70b1a3525f0a24b76cb857d1d0651a
[INFO] running `Command { std: "docker" "start" "-a" "8c88ebca5bd26c2ba8b8bcc10c39cbefcd70b1a3525f0a24b76cb857d1d0651a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c88ebca5bd26c2ba8b8bcc10c39cbefcd70b1a3525f0a24b76cb857d1d0651a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c88ebca5bd26c2ba8b8bcc10c39cbefcd70b1a3525f0a24b76cb857d1d0651a", kill_on_drop: false }`
[INFO] [stdout] 8c88ebca5bd26c2ba8b8bcc10c39cbefcd70b1a3525f0a24b76cb857d1d0651a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 538d5d60d1529053b0858bce3f9aeb346e0fbdf52d2af3f94b139d9f508d46fb
[INFO] running `Command { std: "docker" "start" "-a" "538d5d60d1529053b0858bce3f9aeb346e0fbdf52d2af3f94b139d9f508d46fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]     Checking parking_lot_core v0.9.7
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking async-change-tracker v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `futures::executor::ThreadPool`
[INFO] [stdout]    --> tests/test_change_tracker.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |     use futures::executor::ThreadPool; // use `cargo test --features "futures/thread-pool"`
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `ThreadPool` in `executor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::task::SpawnExt`
[INFO] [stdout]    --> tests/test_change_tracker.rs:101:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |     use futures::task::SpawnExt;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async-change-tracker` (test "test_change_tracker") due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "538d5d60d1529053b0858bce3f9aeb346e0fbdf52d2af3f94b139d9f508d46fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "538d5d60d1529053b0858bce3f9aeb346e0fbdf52d2af3f94b139d9f508d46fb", kill_on_drop: false }`
[INFO] [stdout] 538d5d60d1529053b0858bce3f9aeb346e0fbdf52d2af3f94b139d9f508d46fb
