[INFO] fetching crate crucio 0.1.0...
[INFO] testing crucio-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate crucio 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate crucio 0.1.0
[INFO] finished tweaking crates.io crate crucio 0.1.0
[INFO] tweaked toml for crates.io crate crucio 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate crucio 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 139 packages to latest compatible versions
[INFO] [stderr]       Adding futures-channel-preview v0.3.0-alpha.18 (available: v0.3.0-alpha.19)
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[INFO] [stderr]       Adding futures-io-preview v0.3.0-alpha.18 (available: v0.3.0-alpha.19)
[INFO] [stderr]       Adding futures-join-macro-preview v0.3.0-alpha.18 (available: v0.3.0-alpha.19)
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[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded doc-comment v0.3.4
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[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27fee419c035df1f8d094e987483b169eb01686a1ba41af2b6aa0e78ce6ff4fe
[INFO] running `Command { std: "docker" "start" "-a" "27fee419c035df1f8d094e987483b169eb01686a1ba41af2b6aa0e78ce6ff4fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27fee419c035df1f8d094e987483b169eb01686a1ba41af2b6aa0e78ce6ff4fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27fee419c035df1f8d094e987483b169eb01686a1ba41af2b6aa0e78ce6ff4fe", kill_on_drop: false }`
[INFO] [stdout] 27fee419c035df1f8d094e987483b169eb01686a1ba41af2b6aa0e78ce6ff4fe
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d297b7a1e410926a11fe4af8eb0dc6022bd64d85e39ebf907377405abb0211d
[INFO] running `Command { std: "docker" "start" "-a" "5d297b7a1e410926a11fe4af8eb0dc6022bd64d85e39ebf907377405abb0211d", kill_on_drop: false }`
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[INFO] [stderr]    Compiling crucio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `empty` in module `future`
[INFO] [stdout]   --> src/modes/never.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let () = future::empty().await;
[INFO] [stdout]    |                      ^^^^^ not found in `future`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these functions
[INFO] [stdout]    |
[INFO] [stdout]  1 + use std::io::empty;
[INFO] [stdout]    |
[INFO] [stdout]  1 + use std::iter::empty;
[INFO] [stdout]    |
[INFO] [stdout]  1 + use core::iter::empty;
[INFO] [stdout]    |
[INFO] [stdout]  1 + use futures::stream::empty;
[INFO] [stdout]    |
[INFO] [stdout]    = and 2 other candidates
[INFO] [stdout] help: if you import `empty`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 25 -     let () = future::empty().await;
[INFO] [stdout] 25 +     let () = empty().await;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `empty` in module `future`
[INFO] [stdout]   --> src/modes/never_body.rs:28:30
[INFO] [stdout]    |
[INFO] [stdout] 28 |             let () = future::empty().await;
[INFO] [stdout]    |                              ^^^^^ not found in `future`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these functions
[INFO] [stdout]    |
[INFO] [stdout]  1 + use crate::modes::never_body::stream::empty;
[INFO] [stdout]    |
[INFO] [stdout]  1 + use std::io::empty;
[INFO] [stdout]    |
[INFO] [stdout]  1 + use std::iter::empty;
[INFO] [stdout]    |
[INFO] [stdout]  1 + use core::iter::empty;
[INFO] [stdout]    |
[INFO] [stdout]    = and 3 other candidates
[INFO] [stdout] help: if you import `empty`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 28 -             let () = future::empty().await;
[INFO] [stdout] 28 +             let () = empty().await;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_await)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crucio` (bin "crucio") due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "5d297b7a1e410926a11fe4af8eb0dc6022bd64d85e39ebf907377405abb0211d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d297b7a1e410926a11fe4af8eb0dc6022bd64d85e39ebf907377405abb0211d", kill_on_drop: false }`
[INFO] [stdout] 5d297b7a1e410926a11fe4af8eb0dc6022bd64d85e39ebf907377405abb0211d
