[INFO] fetching crate rafts 0.1.0...
[INFO] testing rafts-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate rafts 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate rafts 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rafts 0.1.0
[INFO] tweaked toml for crates.io crate rafts 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rafts 0.1.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rafts 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytes v1.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b20d50e3788e0a4a19684f1c5a02b46806833dcac0675d6dbd630b0f295d620
[INFO] running `Command { std: "docker" "start" "-a" "4b20d50e3788e0a4a19684f1c5a02b46806833dcac0675d6dbd630b0f295d620", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b20d50e3788e0a4a19684f1c5a02b46806833dcac0675d6dbd630b0f295d620", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b20d50e3788e0a4a19684f1c5a02b46806833dcac0675d6dbd630b0f295d620", kill_on_drop: false }`
[INFO] [stdout] 4b20d50e3788e0a4a19684f1c5a02b46806833dcac0675d6dbd630b0f295d620
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3af9287a517addb842688ccd7de3473aa781966498320d046222999db87cdcdb
[INFO] running `Command { std: "docker" "start" "-a" "3af9287a517addb842688ccd7de3473aa781966498320d046222999db87cdcdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling rafts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "3af9287a517addb842688ccd7de3473aa781966498320d046222999db87cdcdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3af9287a517addb842688ccd7de3473aa781966498320d046222999db87cdcdb", kill_on_drop: false }`
[INFO] [stdout] 3af9287a517addb842688ccd7de3473aa781966498320d046222999db87cdcdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3a3bff13c6f4f391895bfdee405f22d2a8506c6ec29fac166fd42f2775e14d3
[INFO] running `Command { std: "docker" "start" "-a" "f3a3bff13c6f4f391895bfdee405f22d2a8506c6ec29fac166fd42f2775e14d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rafts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `rafts::io::BlockAsyncIoExt`
[INFO] [stdout]   --> examples/file_block_device.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     use rafts::io::BlockAsyncIoExt; // async extension trait
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ no `BlockAsyncIoExt` in `io`
[INFO] [stdout]    |
[INFO] [stdout] help: a similar name exists in the module
[INFO] [stdout]    |
[INFO] [stdout] 98 -     use rafts::io::BlockAsyncIoExt; // async extension trait
[INFO] [stdout] 98 +     use rafts::io::BlockAsyncIo; // async extension trait
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `tokio` in this scope
[INFO] [stdout]   --> examples/file_block_device.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |         tokio::task::spawn_blocking(move || {
[INFO] [stdout]    |         ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `tokio`, use `cargo add tokio` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `tokio` in this scope
[INFO] [stdout]   --> examples/file_block_device.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |         tokio::task::spawn_blocking(move || {
[INFO] [stdout]    |         ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `tokio`, use `cargo add tokio` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `tokio` in this scope
[INFO] [stdout]   --> examples/file_block_device.rs:99:14
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let rt = tokio::runtime::Runtime::new().expect("runtime");
[INFO] [stdout]    |              ^^^^^ use of unresolved module or unlinked crate `tokio`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `tokio`, use `cargo add tokio` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `write_async` found for struct `Arc<FileBlockDevice>` in the current scope
[INFO] [stdout]    --> examples/file_block_device.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |         dev.write_async(0, &write_buf).await.expect("write");
[INFO] [stdout]     |             ^^^^^^^^^^^ method not found in `Arc<FileBlockDevice>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `read_async` found for struct `Arc<FileBlockDevice>` in the current scope
[INFO] [stdout]    --> examples/file_block_device.rs:107:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |         dev.read_async(0, &mut read_buf).await.expect("read");
[INFO] [stdout]     |             ^^^^^^^^^^ method not found in `Arc<FileBlockDevice>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rafts` (example "file_block_device") due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f3a3bff13c6f4f391895bfdee405f22d2a8506c6ec29fac166fd42f2775e14d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3a3bff13c6f4f391895bfdee405f22d2a8506c6ec29fac166fd42f2775e14d3", kill_on_drop: false }`
[INFO] [stdout] f3a3bff13c6f4f391895bfdee405f22d2a8506c6ec29fac166fd42f2775e14d3