[INFO] fetching crate observe 0.1.0...
[INFO] testing observe-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate observe 0.1.0 into /workspace/builds/worker-46/source
[INFO] validating manifest of crates.io crate observe 0.1.0 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 observe 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate observe 0.1.0
[INFO] tweaked toml for crates.io crate observe 0.1.0 written to /workspace/builds/worker-46/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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] 94cea1fceb8db22e8dccb5b0d2940731787b54d54868cc9cede0c8482b12b472
[INFO] running `Command { std: "docker" "start" "-a" "94cea1fceb8db22e8dccb5b0d2940731787b54d54868cc9cede0c8482b12b472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94cea1fceb8db22e8dccb5b0d2940731787b54d54868cc9cede0c8482b12b472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94cea1fceb8db22e8dccb5b0d2940731787b54d54868cc9cede0c8482b12b472", kill_on_drop: false }`
[INFO] [stdout] 94cea1fceb8db22e8dccb5b0d2940731787b54d54868cc9cede0c8482b12b472
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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] ea664a51a275a26242ee853c44c1cb769a9481d333f322540290ab97cda5f7a4
[INFO] running `Command { std: "docker" "start" "-a" "ea664a51a275a26242ee853c44c1cb769a9481d333f322540290ab97cda5f7a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling enclose v1.1.8
[INFO] [stderr]    Compiling snowflake v1.3.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling tracing-core v0.1.19
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling observe-macro v0.1.0
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling observe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.91s
[INFO] running `Command { std: "docker" "inspect" "ea664a51a275a26242ee853c44c1cb769a9481d333f322540290ab97cda5f7a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea664a51a275a26242ee853c44c1cb769a9481d333f322540290ab97cda5f7a4", kill_on_drop: false }`
[INFO] [stdout] ea664a51a275a26242ee853c44c1cb769a9481d333f322540290ab97cda5f7a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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] [stdout] e5ea4b070f0cbd1f116f49c37803d48add29168cf98b3b8f8b33b56f70cca831
[INFO] running `Command { std: "docker" "start" "-a" "e5ea4b070f0cbd1f116f49c37803d48add29168cf98b3b8f8b33b56f70cca831", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling predicates-core v1.0.2
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling fragile v1.0.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling downcast v0.10.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling sharded-slab v0.1.3
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling mockall_derive v0.7.2
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling predicates-tree v1.0.3
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling predicates v1.0.8
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling tracing-subscriber v0.2.20
[INFO] [stderr]    Compiling mockall v0.7.2
[INFO] [stderr]    Compiling observe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `observe::future`
[INFO] [stdout]  --> tests/suite/store.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     future::{ComputedFuture, TokioLocal},
[INFO] [stdout]   |     ^^^^^^ could not find `future` in `observe`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `futures`
[INFO] [stdout]  --> tests/suite/store.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use futures::Future;
[INFO] [stdout]   |     ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `future` in `observe`
[INFO] [stdout]   --> tests/suite/store.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let data = observe::future!(() ctx => Self::data(ctx));
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ could not find `future` in `observe`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `observe::future` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `futures`
[INFO] [stdout]   --> tests/suite/store.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         futures::future::ready(10)
[INFO] [stdout]    |         ^^^^^^^ use of undeclared crate or module `futures`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `enclose::enclose`
[INFO] [stdout]  --> tests/suite/computed.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use enclose::enclose;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `observe` due to 5 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/test.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new() -> SharedMock {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/test.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn get<'a>(&'a self) -> MutexGuard<'a, MockSpy> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e5ea4b070f0cbd1f116f49c37803d48add29168cf98b3b8f8b33b56f70cca831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5ea4b070f0cbd1f116f49c37803d48add29168cf98b3b8f8b33b56f70cca831", kill_on_drop: false }`
[INFO] [stdout] e5ea4b070f0cbd1f116f49c37803d48add29168cf98b3b8f8b33b56f70cca831