[INFO] fetching crate ticketed_lock 0.2.0...
[INFO] checking ticketed_lock-0.2.0 against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] extracting crate ticketed_lock 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ticketed_lock 0.2.0 on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ticketed_lock 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate ticketed_lock 0.2.0
[INFO] tweaked toml for crates.io crate ticketed_lock 0.2.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9a0c0b51f2f40a1b005417215acce5c8b6bcad47bcfcb0ad9bb7d1f0518345c
[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" "e9a0c0b51f2f40a1b005417215acce5c8b6bcad47bcfcb0ad9bb7d1f0518345c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9a0c0b51f2f40a1b005417215acce5c8b6bcad47bcfcb0ad9bb7d1f0518345c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9a0c0b51f2f40a1b005417215acce5c8b6bcad47bcfcb0ad9bb7d1f0518345c", kill_on_drop: false }`
[INFO] [stdout] e9a0c0b51f2f40a1b005417215acce5c8b6bcad47bcfcb0ad9bb7d1f0518345c
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f139fe3b2892119583531d6f621fd0d313c6bb9eccd3f1c911cc3716a1d064db
[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" "f139fe3b2892119583531d6f621fd0d313c6bb9eccd3f1c911cc3716a1d064db", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking ticketed_lock v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:174:25
[INFO] [stdout]     |
[INFO] [stdout] 174 |             Ok(data) => unsafe{ data.into_inner() },
[INFO] [stdout]     |                         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:174:25
[INFO] [stdout]     |
[INFO] [stdout] 174 |             Ok(data) => unsafe{ data.into_inner() },
[INFO] [stdout]     |                         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wait` found for struct `WriteTicket<u8>` in the current scope
[INFO] [stdout]    --> examples/order.rs:16:28
[INFO] [stdout]     |
[INFO] [stdout] 16  |         let mut guard = t3.wait();
[INFO] [stdout]     |                            ^^^^ method not found in `WriteTicket<u8>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.30/src/future/mod.rs:297:8
[INFO] [stdout]     |
[INFO] [stdout] 297 |     fn wait(self) -> result::Result<Self::Item, Self::Error>
[INFO] [stdout]     |        ---- the method is available for `Box<WriteTicket<u8>>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 4   | use futures::future::Future;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wait` found for struct `ReadTicket<u8>` in the current scope
[INFO] [stdout]    --> examples/order.rs:21:24
[INFO] [stdout]     |
[INFO] [stdout] 21  |         let guard = t2.wait();
[INFO] [stdout]     |                        ^^^^ method not found in `ReadTicket<u8>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.30/src/future/mod.rs:297:8
[INFO] [stdout]     |
[INFO] [stdout] 297 |     fn wait(self) -> result::Result<Self::Item, Self::Error>
[INFO] [stdout]     |        ---- the method is available for `Box<ReadTicket<u8>>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 4   | use futures::future::Future;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wait` found for struct `ReadTicket<u8>` in the current scope
[INFO] [stdout]    --> examples/order.rs:25:24
[INFO] [stdout]     |
[INFO] [stdout] 25  |         let guard = t1.wait();
[INFO] [stdout]     |                        ^^^^ method not found in `ReadTicket<u8>`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.30/src/future/mod.rs:297:8
[INFO] [stdout]     |
[INFO] [stdout] 297 |     fn wait(self) -> result::Result<Self::Item, Self::Error>
[INFO] [stdout]     |        ---- the method is available for `Box<ReadTicket<u8>>` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stdout]     |
[INFO] [stdout] 4   | use futures::future::Future;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ticketed_lock`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "f139fe3b2892119583531d6f621fd0d313c6bb9eccd3f1c911cc3716a1d064db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f139fe3b2892119583531d6f621fd0d313c6bb9eccd3f1c911cc3716a1d064db", kill_on_drop: false }`
[INFO] [stdout] f139fe3b2892119583531d6f621fd0d313c6bb9eccd3f1c911cc3716a1d064db