[INFO] fetching crate gen-stream 0.2.4...
[INFO] checking gen-stream-0.2.4 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate gen-stream 0.2.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate gen-stream 0.2.4 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gen-stream 0.2.4
[INFO] finished tweaking crates.io crate gen-stream 0.2.4
[INFO] tweaked toml for crates.io crate gen-stream 0.2.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-executor v0.1.10
[INFO] [stderr]   Downloaded fuchsia-zircon v0.3.3
[INFO] [stderr]   Downloaded mio-uds v0.6.8
[INFO] [stderr]   Downloaded tokio-timer v0.2.13
[INFO] [stderr]   Downloaded lock_api v0.3.4
[INFO] [stderr]   Downloaded tokio-reactor v0.1.12
[INFO] [stderr]   Downloaded tokio-udp v0.1.6
[INFO] [stderr]   Downloaded tokio-codec v0.1.2
[INFO] [stderr]   Downloaded net2 v0.2.37
[INFO] [stderr]   Downloaded tokio-uds v0.2.7
[INFO] [stderr]   Downloaded tokio-current-thread v0.1.7
[INFO] [stderr]   Downloaded futures-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded ws2_32-sys v0.2.1
[INFO] [stderr]   Downloaded fuchsia-zircon-sys v0.3.3
[INFO] [stderr]   Downloaded miow v0.2.2
[INFO] [stderr]   Downloaded mio v0.6.23
[INFO] [stderr]   Downloaded parking_lot_core v0.6.2
[INFO] [stderr]   Downloaded parking_lot v0.9.0
[INFO] [stderr]   Downloaded tokio-io v0.1.13
[INFO] [stderr]   Downloaded tokio v0.1.22
[INFO] [stderr]   Downloaded futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded tokio-fs v0.1.7
[INFO] [stderr]   Downloaded tokio-tcp v0.1.4
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.18
[INFO] [stderr]   Downloaded tokio-sync v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12dfb7d73a69fa46e6931b4f16efc7ba6a877d26f6b2ed0f5b6169fd0dadc4ba
[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" "12dfb7d73a69fa46e6931b4f16efc7ba6a877d26f6b2ed0f5b6169fd0dadc4ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12dfb7d73a69fa46e6931b4f16efc7ba6a877d26f6b2ed0f5b6169fd0dadc4ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12dfb7d73a69fa46e6931b4f16efc7ba6a877d26f6b2ed0f5b6169fd0dadc4ba", kill_on_drop: false }`
[INFO] [stdout] 12dfb7d73a69fa46e6931b4f16efc7ba6a877d26f6b2ed0f5b6169fd0dadc4ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a640bddccd220df7167f09dca11d3f8f95a624aadb8324cca761f22c93caef05
[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" "a640bddccd220df7167f09dca11d3f8f95a624aadb8324cca761f22c93caef05", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking gen-stream v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::future::set_task_context`
[INFO] [stdout]   --> src/lib.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     std::future::set_task_context,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `set_task_context` in `future`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 1 argument but 0 arguments were supplied
[INFO] [stdout]    --> src/lib.rs:120:52
[INFO] [stdout]     |
[INFO] [stdout] 120 |         set_task_context(cx, || match self.inner().resume() {
[INFO] [stdout]     |                                                    ^^^^^^- supplied 0 arguments
[INFO] [stdout]     |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout] help: expected the unit value `()`; create it with empty parentheses
[INFO] [stdout]     |
[INFO] [stdout] 120 |         set_task_context(cx, || match self.inner().resume(()) {
[INFO] [stdout]     |                                                           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 1 argument but 0 arguments were supplied
[INFO] [stdout]    --> src/lib.rs:151:52
[INFO] [stdout]     |
[INFO] [stdout] 151 |         set_task_context(cx, || match self.inner().resume() {
[INFO] [stdout]     |                                                    ^^^^^^- supplied 0 arguments
[INFO] [stdout]     |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout] help: expected the unit value `()`; create it with empty parentheses
[INFO] [stdout]     |
[INFO] [stdout] 151 |         set_task_context(cx, || match self.inner().resume(()) {
[INFO] [stdout]     |                                                           ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 1 argument but 0 arguments were supplied
[INFO] [stdout]    --> src/lib.rs:191:61
[INFO] [stdout]     |
[INFO] [stdout] 191 |         set_task_context(cx, || match self.as_mut().inner().resume() {
[INFO] [stdout]     |                                                             ^^^^^^- supplied 0 arguments
[INFO] [stdout]     |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout] help: expected the unit value `()`; create it with empty parentheses
[INFO] [stdout]     |
[INFO] [stdout] 191 |         set_task_context(cx, || match self.as_mut().inner().resume(()) {
[INFO] [stdout]     |                                                                    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gen-stream`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a640bddccd220df7167f09dca11d3f8f95a624aadb8324cca761f22c93caef05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a640bddccd220df7167f09dca11d3f8f95a624aadb8324cca761f22c93caef05", kill_on_drop: false }`
[INFO] [stdout] a640bddccd220df7167f09dca11d3f8f95a624aadb8324cca761f22c93caef05