[INFO] fetching crate gen-stream 0.2.4...
[INFO] testing gen-stream-0.2.4 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate gen-stream 0.2.4 into /workspace/builds/worker-76/source
[INFO] validating manifest of crates.io crate gen-stream 0.2.4 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-76/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c657a75253c32ddc17f2c6bc0ff4cfea10dd611fb1dfde1662a962a1902f064b
[INFO] running `Command { std: "docker" "start" "-a" "c657a75253c32ddc17f2c6bc0ff4cfea10dd611fb1dfde1662a962a1902f064b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c657a75253c32ddc17f2c6bc0ff4cfea10dd611fb1dfde1662a962a1902f064b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c657a75253c32ddc17f2c6bc0ff4cfea10dd611fb1dfde1662a962a1902f064b", kill_on_drop: false }`
[INFO] [stdout] c657a75253c32ddc17f2c6bc0ff4cfea10dd611fb1dfde1662a962a1902f064b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1adb39fada7b524542add1019aece24e479e67c57fd091a7e2b502726b85b0ed
[INFO] running `Command { std: "docker" "start" "-a" "1adb39fada7b524542add1019aece24e479e67c57fd091a7e2b502726b85b0ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling 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` due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "1adb39fada7b524542add1019aece24e479e67c57fd091a7e2b502726b85b0ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1adb39fada7b524542add1019aece24e479e67c57fd091a7e2b502726b85b0ed", kill_on_drop: false }`
[INFO] [stdout] 1adb39fada7b524542add1019aece24e479e67c57fd091a7e2b502726b85b0ed