[INFO] fetching crate pubnub-core 0.1.0...
[INFO] checking pubnub-core-0.1.0 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate pubnub-core 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate pubnub-core 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pubnub-core 0.1.0
[INFO] finished tweaking crates.io crate pubnub-core 0.1.0
[INFO] tweaked toml for crates.io crate pubnub-core 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3284ee52c06a5c3e8f574b1692df6040ac1257d03d051541d9bebc2a71cf7318
[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" "3284ee52c06a5c3e8f574b1692df6040ac1257d03d051541d9bebc2a71cf7318", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3284ee52c06a5c3e8f574b1692df6040ac1257d03d051541d9bebc2a71cf7318", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3284ee52c06a5c3e8f574b1692df6040ac1257d03d051541d9bebc2a71cf7318", kill_on_drop: false }`
[INFO] [stdout] 3284ee52c06a5c3e8f574b1692df6040ac1257d03d051541d9bebc2a71cf7318
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f9e16937b4cc8fb54f987267f7b64650e99752351b4c9a8ec9d0e42ecd6b9f3
[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" "6f9e16937b4cc8fb54f987267f7b64650e99752351b4c9a8ec9d0e42ecd6b9f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking downcast v0.10.0
[INFO] [stderr]     Checking fragile v0.3.0
[INFO] [stderr]     Checking error-iter v0.2.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking randomize v3.0.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking predicates v1.0.5
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling mockall_derive v0.6.0
[INFO] [stderr]    Compiling async-trait v0.1.38
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking mockall v0.6.0
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking pubnub-core v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/mock/runtime.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | /     mock! {
[INFO] [stdout] 14 | |         pub Runtime {
[INFO] [stdout] 15 | |             fn mock_workaround_spawn<O: 'static>(&self, future: Pin<Box<dyn Future<Output = O> + Send + 'static>>) {}
[INFO] [stdout] 16 | |         }
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |         }
[INFO] [stdout] 20 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/mock/runtime.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | /     mock! {
[INFO] [stdout] 14 | |         pub Runtime {
[INFO] [stdout] 15 | |             fn mock_workaround_spawn<O: 'static>(&self, future: Pin<Box<dyn Future<Output = O> + Send + 'static>>) {}
[INFO] [stdout] 16 | |         }
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |         }
[INFO] [stdout] 20 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/mock/transport.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | /     mock! {
[INFO] [stdout] 23 | |         pub Transport {
[INFO] [stdout] 24 | |             fn call<TReq: 'static, TRes: 'static>(
[INFO] [stdout] 25 | |                 &self,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |         }
[INFO] [stdout] 32 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/mock/runtime.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | /     mock! {
[INFO] [stdout] 14 | |         pub Runtime {
[INFO] [stdout] 15 | |             fn mock_workaround_spawn<O: 'static>(&self, future: Pin<Box<dyn Future<Output = O> + Send + 'static>>) {}
[INFO] [stdout] 16 | |         }
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |         }
[INFO] [stdout] 20 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/mock/runtime.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | /     mock! {
[INFO] [stdout] 14 | |         pub Runtime {
[INFO] [stdout] 15 | |             fn mock_workaround_spawn<O: 'static>(&self, future: Pin<Box<dyn Future<Output = O> + Send + 'static>>) {}
[INFO] [stdout] 16 | |         }
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |         }
[INFO] [stdout] 20 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/mock/transport.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | /     mock! {
[INFO] [stdout] 23 | |         pub Transport {
[INFO] [stdout] 24 | |             fn call<TReq: 'static, TRes: 'static>(
[INFO] [stdout] 25 | |                 &self,
[INFO] [stdout] ...  |
[INFO] [stdout] 31 | |         }
[INFO] [stdout] 32 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.27s
[INFO] running `Command { std: "docker" "inspect" "6f9e16937b4cc8fb54f987267f7b64650e99752351b4c9a8ec9d0e42ecd6b9f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f9e16937b4cc8fb54f987267f7b64650e99752351b4c9a8ec9d0e42ecd6b9f3", kill_on_drop: false }`
[INFO] [stdout] 6f9e16937b4cc8fb54f987267f7b64650e99752351b4c9a8ec9d0e42ecd6b9f3
