[INFO] fetching crate feattle-sync 0.7.0...
[INFO] testing feattle-sync-0.7.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate feattle-sync 0.7.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate feattle-sync 0.7.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate feattle-sync 0.7.0
[INFO] finished tweaking crates.io crate feattle-sync 0.7.0
[INFO] tweaked toml for crates.io crate feattle-sync 0.7.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9ac008e4dccf7d25aa5a4c681b1d40a9c25b6b3ff637c8a1fd1616a8182c8ba
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a9ac008e4dccf7d25aa5a4c681b1d40a9c25b6b3ff637c8a1fd1616a8182c8ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9ac008e4dccf7d25aa5a4c681b1d40a9c25b6b3ff637c8a1fd1616a8182c8ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9ac008e4dccf7d25aa5a4c681b1d40a9c25b6b3ff637c8a1fd1616a8182c8ba", kill_on_drop: false }`
[INFO] [stdout] a9ac008e4dccf7d25aa5a4c681b1d40a9c25b6b3ff637c8a1fd1616a8182c8ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c4358055be0b04c134abecf6a8f69140c9c6d6be0ab5863bf48e29c033f5c14
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7c4358055be0b04c134abecf6a8f69140c9c6d6be0ab5863bf48e29c033f5c14", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling feattle-core v0.7.0
[INFO] [stderr]    Compiling feattle-sync v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.31s
[INFO] running `Command { std: "docker" "inspect" "7c4358055be0b04c134abecf6a8f69140c9c6d6be0ab5863bf48e29c033f5c14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c4358055be0b04c134abecf6a8f69140c9c6d6be0ab5863bf48e29c033f5c14", kill_on_drop: false }`
[INFO] [stdout] 7c4358055be0b04c134abecf6a8f69140c9c6d6be0ab5863bf48e29c033f5c14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c04ec884b2ddc040988d78f6ab800c5665adf05fd5405236dc9c7a5dca5c2c48
[INFO] running `Command { std: "docker" "start" "-a" "c04ec884b2ddc040988d78f6ab800c5665adf05fd5405236dc9c7a5dca5c2c48", kill_on_drop: false }`
[INFO] [stderr]    Compiling feattle-sync v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.72s
[INFO] running `Command { std: "docker" "inspect" "c04ec884b2ddc040988d78f6ab800c5665adf05fd5405236dc9c7a5dca5c2c48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c04ec884b2ddc040988d78f6ab800c5665adf05fd5405236dc9c7a5dca5c2c48", kill_on_drop: false }`
[INFO] [stdout] c04ec884b2ddc040988d78f6ab800c5665adf05fd5405236dc9c7a5dca5c2c48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 206a6872709f5f64dbbfa823c3e04fed15d2927a46b9e4e9cf454cfe4345ab3a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "206a6872709f5f64dbbfa823c3e04fed15d2927a46b9e4e9cf454cfe4345ab3a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/feattle_sync-f3b4af01477c1cd3)
[INFO] [stdout] test disk::tests::disk ... ok
[INFO] [stderr]    Doc-tests feattle-sync
[INFO] [stdout] test background_sync::tests::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/background_sync.rs - background_sync::BackgroundSync (line 15) ... FAILED
[INFO] [stdout] test src/disk.rs - disk::Disk (line 16) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/background_sync.rs - background_sync::BackgroundSync (line 15) stdout ----
[INFO] [stdout] error: The default runtime flavor is `multi_thread`, but the `rt-multi-thread` feature is disabled.
[INFO] [stdout]  --> src/background_sync.rs:16:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[tokio::main]
[INFO] [stdout]   | ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the attribute macro `tokio::main` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `rust_out`
[INFO] [stdout]   --> src/background_sync.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / #![allow(unused)]
[INFO] [stdout] 2  | | extern crate r#feattle_sync;
[INFO] [stdout] 3  | | #[tokio::main]
[INFO] [stdout] 4  | | async fn main() {
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | | BackgroundSync::new(&toggles).spawn();
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^ consider adding a `main` function at the crate level
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/background_sync.rs - background_sync::BackgroundSync (line 15)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.24s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "206a6872709f5f64dbbfa823c3e04fed15d2927a46b9e4e9cf454cfe4345ab3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "206a6872709f5f64dbbfa823c3e04fed15d2927a46b9e4e9cf454cfe4345ab3a", kill_on_drop: false }`
[INFO] [stdout] 206a6872709f5f64dbbfa823c3e04fed15d2927a46b9e4e9cf454cfe4345ab3a