[INFO] fetching crate tower-retry 0.3.0-alpha.2...
[INFO] checking tower-retry-0.3.0-alpha.2 against beta-2019-10-27 for pr-65897
[INFO] extracting crate tower-retry 0.3.0-alpha.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate tower-retry 0.3.0-alpha.2 on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tower-retry 0.3.0-alpha.2
[INFO] finished tweaking crates.io crate tower-retry 0.3.0-alpha.2
[INFO] tweaked toml for crates.io crate tower-retry 0.3.0-alpha.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=allow" "-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" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 831986ae8ffff5a728f3dde47e70a3279c3d409aa68e0fd05dbad30c505acfd3
[INFO] running `"docker" "start" "-a" "831986ae8ffff5a728f3dde47e70a3279c3d409aa68e0fd05dbad30c505acfd3"`
[INFO] [stderr]     Checking tower-layer v0.3.0-alpha.2
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking tokio-sync v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-executor v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-timer v0.3.0-alpha.6
[INFO] [stderr]    Compiling pin-project-internal v0.4.5
[INFO] [stderr]     Checking pin-project v0.4.5
[INFO] [stderr]     Checking tower-retry v0.3.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `tokio_test`
[INFO] [stderr]    --> src/budget.rs:217:9
[INFO] [stderr]     |
[INFO] [stderr] 217 |     use tokio_test::clock;
[INFO] [stderr]     |         ^^^^^^^^^^ use of undeclared type or module `tokio_test`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `mock` in `clock`
[INFO] [stderr]    --> src/budget.rs:227:16
[INFO] [stderr]     |
[INFO] [stderr] 227 |         clock::mock(|time| {
[INFO] [stderr]     |                ^^^^ not found in `clock`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `mock` in `clock`
[INFO] [stderr]    --> src/budget.rs:239:16
[INFO] [stderr]     |
[INFO] [stderr] 239 |         clock::mock(|time| {
[INFO] [stderr]     |                ^^^^ not found in `clock`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `mock` in `clock`
[INFO] [stderr]    --> src/budget.rs:264:16
[INFO] [stderr]     |
[INFO] [stderr] 264 |         clock::mock(|_| {
[INFO] [stderr]     |                ^^^^ not found in `clock`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: could not compile `tower-retry`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "831986ae8ffff5a728f3dde47e70a3279c3d409aa68e0fd05dbad30c505acfd3"`
[INFO] running `"docker" "rm" "-f" "831986ae8ffff5a728f3dde47e70a3279c3d409aa68e0fd05dbad30c505acfd3"`
[INFO] [stdout] 831986ae8ffff5a728f3dde47e70a3279c3d409aa68e0fd05dbad30c505acfd3