[INFO] fetching crate async-change-tracker 0.3.2...
[INFO] checking async-change-tracker-0.3.2 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate async-change-tracker 0.3.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate async-change-tracker 0.3.2 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "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-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc68d00e72841e06205ae2638c63255aed413e0a4ecd77572a4fc1b2c2e332c7
[INFO] running `Command { std: "docker" "start" "-a" "bc68d00e72841e06205ae2638c63255aed413e0a4ecd77572a4fc1b2c2e332c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc68d00e72841e06205ae2638c63255aed413e0a4ecd77572a4fc1b2c2e332c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc68d00e72841e06205ae2638c63255aed413e0a4ecd77572a4fc1b2c2e332c7", kill_on_drop: false }`
[INFO] [stdout] bc68d00e72841e06205ae2638c63255aed413e0a4ecd77572a4fc1b2c2e332c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9e4e360af8c95bf4ad2b0b81d84bd78fac9c6aeeae54d691f5f80a0233d9ddd
[INFO] running `Command { std: "docker" "start" "-a" "b9e4e360af8c95bf4ad2b0b81d84bd78fac9c6aeeae54d691f5f80a0233d9ddd", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[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] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-0.3.30/src/lib.rs:203:32
[INFO] [stdout]     |
[INFO] [stdout] 203 |     pub use futures_executor::{ThreadPool, ThreadPoolBuilder};
[INFO] [stdout]     |                                ^^^^^^^^^^
[INFO] [stdout]     = note: the item is gated behind the `thread-pool` feature
[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 1 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" "b9e4e360af8c95bf4ad2b0b81d84bd78fac9c6aeeae54d691f5f80a0233d9ddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9e4e360af8c95bf4ad2b0b81d84bd78fac9c6aeeae54d691f5f80a0233d9ddd", kill_on_drop: false }`
[INFO] [stdout] b9e4e360af8c95bf4ad2b0b81d84bd78fac9c6aeeae54d691f5f80a0233d9ddd
[INFO] checking async-change-tracker-0.3.2 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate async-change-tracker 0.3.2 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate async-change-tracker 0.3.2 on toolchain 09bc67b9158392361780e779d32997f14cc75c39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "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-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "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" "+09bc67b9158392361780e779d32997f14cc75c39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe4ad45c575a0975d6d4e4ac431cb3383652c01030b48f015623047fd7600c04
[INFO] running `Command { std: "docker" "start" "-a" "fe4ad45c575a0975d6d4e4ac431cb3383652c01030b48f015623047fd7600c04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe4ad45c575a0975d6d4e4ac431cb3383652c01030b48f015623047fd7600c04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe4ad45c575a0975d6d4e4ac431cb3383652c01030b48f015623047fd7600c04", kill_on_drop: false }`
[INFO] [stdout] fe4ad45c575a0975d6d4e4ac431cb3383652c01030b48f015623047fd7600c04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3430f72470532bbea37296ee0e405d68863d3afcb640bce3690b77aac676fa4
[INFO] running `Command { std: "docker" "start" "-a" "a3430f72470532bbea37296ee0e405d68863d3afcb640bce3690b77aac676fa4", kill_on_drop: false }`
[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 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] note: found an item that was configured out
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/futures-0.3.30/src/lib.rs:203:32
[INFO] [stdout]     |
[INFO] [stdout] 203 |     pub use futures_executor::{ThreadPool, ThreadPoolBuilder};
[INFO] [stdout]     |                                ^^^^^^^^^^
[INFO] [stdout]     = note: the item is gated behind the `thread-pool` feature
[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 1 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" "a3430f72470532bbea37296ee0e405d68863d3afcb640bce3690b77aac676fa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3430f72470532bbea37296ee0e405d68863d3afcb640bce3690b77aac676fa4", kill_on_drop: false }`
[INFO] [stdout] a3430f72470532bbea37296ee0e405d68863d3afcb640bce3690b77aac676fa4
