[INFO] fetching crate async-lease 0.2.0-alpha.1...
[INFO] checking async-lease-0.2.0-alpha.1 against beta for pr-78714
[INFO] extracting crate async-lease 0.2.0-alpha.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate async-lease 0.2.0-alpha.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-lease 0.2.0-alpha.1
[INFO] finished tweaking crates.io crate async-lease 0.2.0-alpha.1
[INFO] tweaked toml for crates.io crate async-lease 0.2.0-alpha.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36758d0b4aa6da807610f019bff917b86cdac3cb31a39a93ff32ecc100425f83
[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" "36758d0b4aa6da807610f019bff917b86cdac3cb31a39a93ff32ecc100425f83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36758d0b4aa6da807610f019bff917b86cdac3cb31a39a93ff32ecc100425f83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36758d0b4aa6da807610f019bff917b86cdac3cb31a39a93ff32ecc100425f83", kill_on_drop: false }`
[INFO] [stdout] 36758d0b4aa6da807610f019bff917b86cdac3cb31a39a93ff32ecc100425f83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8479fe84582122be30cafcb454573a6c316464ecd909d55af6b7d7113ef46f7c
[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" "8479fe84582122be30cafcb454573a6c316464ecd909d55af6b7d7113ef46f7c", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking tokio-test v0.2.1
[INFO] [stderr]     Checking tokio-sync v0.2.0-alpha.6
[INFO] [stderr]     Checking async-lease v0.2.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `mock` in module `task`
[INFO] [stdout]  --> tests/lease.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |     task::mock(|cx| {
[INFO] [stdout]   |           ^^^^ not found in `task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `mock` in module `task`
[INFO] [stdout]   --> tests/lease.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 |     task::mock(|cx| {
[INFO] [stdout]    |           ^^^^ not found in `task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `mock` in module `task`
[INFO] [stdout]   --> tests/lease.rs:38:11
[INFO] [stdout]    |
[INFO] [stdout] 38 |     task::mock(|cx| {
[INFO] [stdout]    |           ^^^^ not found in `task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `mock` in module `task`
[INFO] [stdout]   --> tests/lease.rs:51:11
[INFO] [stdout]    |
[INFO] [stdout] 51 |     task::mock(|cx| {
[INFO] [stdout]    |           ^^^^ not found in `task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `mock` in module `task`
[INFO] [stdout]   --> tests/lease.rs:63:11
[INFO] [stdout]    |
[INFO] [stdout] 63 |     task::mock(|cx| {
[INFO] [stdout]    |           ^^^^ not found in `task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `mock` in module `task`
[INFO] [stdout]   --> tests/lease.rs:86:11
[INFO] [stdout]    |
[INFO] [stdout] 86 |     task::mock(|cx| {
[INFO] [stdout]    |           ^^^^ not found in `task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `mock` in module `task`
[INFO] [stdout]   --> tests/lease.rs:97:11
[INFO] [stdout]    |
[INFO] [stdout] 97 |     task::mock(|cx| {
[INFO] [stdout]    |           ^^^^ not found in `task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `mock` in module `task`
[INFO] [stdout]    --> tests/lease.rs:107:11
[INFO] [stdout]     |
[INFO] [stdout] 107 |     task::mock(|cx| {
[INFO] [stdout]     |           ^^^^ not found in `task`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: struct `MockTask` is private
[INFO] [stdout]    --> tests/lease.rs:131:26
[INFO] [stdout]     |
[INFO] [stdout] 131 |     let mut task = task::MockTask::new();
[INFO] [stdout]     |                          ^^^^^^^^ private struct
[INFO] [stdout]     |
[INFO] [stdout] note: the struct `MockTask` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-test-0.2.1/src/task.rs:33:1
[INFO] [stdout]     |
[INFO] [stdout] 33  | struct MockTask {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0624]: associated function `new` is private
[INFO] [stdout]    --> tests/lease.rs:131:36
[INFO] [stdout]     |
[INFO] [stdout] 131 |     let mut task = task::MockTask::new();
[INFO] [stdout]     |                                    ^^^ private associated function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0624]: associated function `enter` is private
[INFO] [stdout]    --> tests/lease.rs:134:10
[INFO] [stdout]     |
[INFO] [stdout] 134 |     task.enter(|cx| {
[INFO] [stdout]     |          ^^^^^ private associated function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0624]: associated function `enter` is private
[INFO] [stdout]    --> tests/lease.rs:140:10
[INFO] [stdout]     |
[INFO] [stdout] 140 |     task.enter(|cx| {
[INFO] [stdout]     |          ^^^^^ private associated function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0624]: associated function `is_woken` is private
[INFO] [stdout]    --> tests/lease.rs:146:18
[INFO] [stdout]     |
[INFO] [stdout] 146 |     assert!(task.is_woken());
[INFO] [stdout]     |                  ^^^^^^^^ private associated function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0624]: associated function `enter` is private
[INFO] [stdout]    --> tests/lease.rs:147:10
[INFO] [stdout]     |
[INFO] [stdout] 147 |     task.enter(|cx| {
[INFO] [stdout]     |          ^^^^^ private associated function
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 14 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0603, E0624.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async-lease`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "8479fe84582122be30cafcb454573a6c316464ecd909d55af6b7d7113ef46f7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8479fe84582122be30cafcb454573a6c316464ecd909d55af6b7d7113ef46f7c", kill_on_drop: false }`
[INFO] [stdout] 8479fe84582122be30cafcb454573a6c316464ecd909d55af6b7d7113ef46f7c