[INFO] crate tokio-cache 0.2.0-alpha.1 is already in cache
[INFO] testing tokio-cache-0.2.0-alpha.1 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate tokio-cache 0.2.0-alpha.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tokio-cache 0.2.0-alpha.1 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tokio-cache 0.2.0-alpha.1
[INFO] finished tweaking crates.io crate tokio-cache 0.2.0-alpha.1
[INFO] tweaked toml for crates.io crate tokio-cache 0.2.0-alpha.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 15aa674aac6a5ce32e9820e4e9f0d72e14cbff88b8734fbad182389e0581b07f
[INFO] running `"docker" "start" "-a" "15aa674aac6a5ce32e9820e4e9f0d72e14cbff88b8734fbad182389e0581b07f"`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling im v13.0.0
[INFO] [stderr]    Compiling sized-chunks v0.3.1
[INFO] [stderr]    Compiling tokio-sync v0.2.0-alpha.6
[INFO] [stderr]    Compiling tokio-cache v0.2.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.89s
[INFO] running `"docker" "inspect" "15aa674aac6a5ce32e9820e4e9f0d72e14cbff88b8734fbad182389e0581b07f"`
[INFO] running `"docker" "rm" "-f" "15aa674aac6a5ce32e9820e4e9f0d72e14cbff88b8734fbad182389e0581b07f"`
[INFO] [stdout] 15aa674aac6a5ce32e9820e4e9f0d72e14cbff88b8734fbad182389e0581b07f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2cc973781cb728863babf574a1bb6b02374d7fec586234e8d2134c6599aea063
[INFO] running `"docker" "start" "-a" "2cc973781cb728863babf574a1bb6b02374d7fec586234e8d2134c6599aea063"`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling oorandom v11.1.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling tokio v0.2.18
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling criterion-plot v0.4.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling bstr v0.2.12
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling tinytemplate v1.0.3
[INFO] [stderr]    Compiling plotters v0.2.12
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling criterion v0.3.1
[INFO] [stderr]    Compiling tokio-cache v0.2.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stderr]   --> src/async_cache.rs:92:14
[INFO] [stderr]    |
[INFO] [stderr] 92 |     #[tokio::test]
[INFO] [stderr]    |              ^^^^ could not find `test` in `tokio`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stderr]    --> src/async_cache.rs:104:14
[INFO] [stderr]     |
[INFO] [stderr] 104 |     #[tokio::test]
[INFO] [stderr]     |              ^^^^ could not find `test` in `tokio`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stderr]    --> src/core.rs:161:14
[INFO] [stderr]     |
[INFO] [stderr] 161 |     #[tokio::test]
[INFO] [stderr]     |              ^^^^ could not find `test` in `tokio`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stderr]    --> src/core.rs:175:14
[INFO] [stderr]     |
[INFO] [stderr] 175 |     #[tokio::test]
[INFO] [stderr]     |              ^^^^ could not find `test` in `tokio`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: could not compile `tokio-cache`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2cc973781cb728863babf574a1bb6b02374d7fec586234e8d2134c6599aea063"`
[INFO] running `"docker" "rm" "-f" "2cc973781cb728863babf574a1bb6b02374d7fec586234e8d2134c6599aea063"`
[INFO] [stdout] 2cc973781cb728863babf574a1bb6b02374d7fec586234e8d2134c6599aea063