[INFO] crate gen-stream 0.2.4 is already in cache
[INFO] checking gen-stream-0.2.4 against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] extracting crate gen-stream 0.2.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate gen-stream 0.2.4 on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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" "+d7b51666469c792a8a3f40849607739bae1e705e" "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] 3a31291385c5cbe660b6f7bf6cd89c7f7aeaf8728d22efe842ff44aa6b9983f9
[INFO] running `"docker" "start" "-a" "3a31291385c5cbe660b6f7bf6cd89c7f7aeaf8728d22efe842ff44aa6b9983f9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling memchr v2.3.3
[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]     Checking tokio-sync v0.1.8
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking gen-stream v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::future::set_task_context`
[INFO] [stderr]   --> src/lib.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     std::future::set_task_context,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `set_task_context` in `future`
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 1 argument but 0 arguments were supplied
[INFO] [stderr]    --> src/lib.rs:120:52
[INFO] [stderr]     |
[INFO] [stderr] 120 |         set_task_context(cx, || match self.inner().resume() {
[INFO] [stderr]     |                                                    ^^^^^^- supplied 0 arguments
[INFO] [stderr]     |
[INFO] [stderr] help: expected the unit value `()`; create it with empty parentheses
[INFO] [stderr]     |
[INFO] [stderr] 120 |         set_task_context(cx, || match self.inner().resume(()) {
[INFO] [stderr]     |                                                           ^^
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 1 argument but 0 arguments were supplied
[INFO] [stderr]    --> src/lib.rs:151:52
[INFO] [stderr]     |
[INFO] [stderr] 151 |         set_task_context(cx, || match self.inner().resume() {
[INFO] [stderr]     |                                                    ^^^^^^- supplied 0 arguments
[INFO] [stderr]     |
[INFO] [stderr] help: expected the unit value `()`; create it with empty parentheses
[INFO] [stderr]     |
[INFO] [stderr] 151 |         set_task_context(cx, || match self.inner().resume(()) {
[INFO] [stderr]     |                                                           ^^
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 1 argument but 0 arguments were supplied
[INFO] [stderr]    --> src/lib.rs:191:61
[INFO] [stderr]     |
[INFO] [stderr] 191 |         set_task_context(cx, || match self.as_mut().inner().resume() {
[INFO] [stderr]     |                                                             ^^^^^^- supplied 0 arguments
[INFO] [stderr]     |
[INFO] [stderr] help: expected the unit value `()`; create it with empty parentheses
[INFO] [stderr]     |
[INFO] [stderr] 191 |         set_task_context(cx, || match self.as_mut().inner().resume(()) {
[INFO] [stderr]     |                                                                    ^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0061, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0061`.
[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 `"docker" "inspect" "3a31291385c5cbe660b6f7bf6cd89c7f7aeaf8728d22efe842ff44aa6b9983f9"`
[INFO] running `"docker" "rm" "-f" "3a31291385c5cbe660b6f7bf6cd89c7f7aeaf8728d22efe842ff44aa6b9983f9"`
[INFO] [stdout] 3a31291385c5cbe660b6f7bf6cd89c7f7aeaf8728d22efe842ff44aa6b9983f9