[INFO] fetching crate futures-executor-preview 0.3.0-alpha.19...
[INFO] checking futures-executor-preview-0.3.0-alpha.19 against try#0c7fed2b7584d310ca8221267fa1b3bec4df427f for pr-133502-4
[INFO] extracting crate futures-executor-preview 0.3.0-alpha.19 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate futures-executor-preview 0.3.0-alpha.19 on toolchain 0c7fed2b7584d310ca8221267fa1b3bec4df427f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-executor-preview 0.3.0-alpha.19
[INFO] finished tweaking crates.io crate futures-executor-preview 0.3.0-alpha.19
[INFO] tweaked toml for crates.io crate futures-executor-preview 0.3.0-alpha.19 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4180bba9a6ff22b500a3dc389c39f740feb3512bf684075f93569bd48c230399
[INFO] running `Command { std: "docker" "start" "-a" "4180bba9a6ff22b500a3dc389c39f740feb3512bf684075f93569bd48c230399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4180bba9a6ff22b500a3dc389c39f740feb3512bf684075f93569bd48c230399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4180bba9a6ff22b500a3dc389c39f740feb3512bf684075f93569bd48c230399", kill_on_drop: false }`
[INFO] [stdout] 4180bba9a6ff22b500a3dc389c39f740feb3512bf684075f93569bd48c230399
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0c7fed2b7584d310ca8221267fa1b3bec4df427f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a87a509b307011dc40ad5a0e3195f5c8770d1807b821bd3fc5a40a503b434e65
[INFO] running `Command { std: "docker" "start" "-a" "a87a509b307011dc40ad5a0e3195f5c8770d1807b821bd3fc5a40a503b434e65", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `AssertSendSync` is never used
[INFO] [stdout]   --> src/thread_pool.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 | trait AssertSendSync: Send + Sync {}
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AssertSendSync` is never used
[INFO] [stdout]   --> src/thread_pool.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 | trait AssertSendSync: Send + Sync {}
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> benches/thread_notify.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures::executor::block_on;
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> benches/thread_notify.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use futures::future::Future;
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> benches/thread_notify.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use futures::task::{Context, Poll, Waker};
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> tests/local_pool.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use futures::channel::oneshot;
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> tests/local_pool.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures::executor::LocalPool;
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> tests/local_pool.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures::future::{Future, lazy, poll_fn};
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `futures`
[INFO] [stdout]  --> tests/local_pool.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::task::{Context, Poll, Spawn, LocalSpawn, Waker};
[INFO] [stdout]   |     ^^^^^^^ use of unresolved module or unlinked crate `futures`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `futures`, use `cargo add futures` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-executor-preview` (bench "thread_notify") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `futures-executor-preview` (test "local_pool") due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "a87a509b307011dc40ad5a0e3195f5c8770d1807b821bd3fc5a40a503b434e65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a87a509b307011dc40ad5a0e3195f5c8770d1807b821bd3fc5a40a503b434e65", kill_on_drop: false }`
[INFO] [stdout] a87a509b307011dc40ad5a0e3195f5c8770d1807b821bd3fc5a40a503b434e65