[INFO] fetching crate async-wormhole 0.2.0... [INFO] checking async-wormhole-0.2.0 against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174 [INFO] extracting crate async-wormhole 0.2.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate async-wormhole 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 async-wormhole 0.2.0 [INFO] finished tweaking crates.io crate async-wormhole 0.2.0 [INFO] tweaked toml for crates.io crate async-wormhole 0.2.0 written to /workspace/builds/worker-2/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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded switcheroo v0.2.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 3cf96f3748dd3a3439410d76e6d878594c14a14899f8e6c8c53a0d150262e6ed [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" "3cf96f3748dd3a3439410d76e6d878594c14a14899f8e6c8c53a0d150262e6ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3cf96f3748dd3a3439410d76e6d878594c14a14899f8e6c8c53a0d150262e6ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3cf96f3748dd3a3439410d76e6d878594c14a14899f8e6c8c53a0d150262e6ed", kill_on_drop: false }` [INFO] [stdout] 3cf96f3748dd3a3439410d76e6d878594c14a14899f8e6c8c53a0d150262e6ed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 1b354d6b0d47849eebabed43b37d8e16bf5fbd3b3c38937fdc7f7798f2bda70d [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" "1b354d6b0d47849eebabed43b37d8e16bf5fbd3b3c38937fdc7f7798f2bda70d", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling const_fn v0.4.5 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking byteorder v1.4.2 [INFO] [stderr] Checking futures-sink v0.3.12 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Checking pin-project-lite v0.2.4 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Checking futures-channel v0.3.12 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking switcheroo v0.2.3 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking itertools v0.10.0 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking crossbeam-queue v0.3.1 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking plotters v0.3.0 [INFO] [stderr] Checking crossbeam v0.8.0 [INFO] [stderr] Checking async-wormhole v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib.rs:154:9 [INFO] [stdout] | [INFO] [stdout] 105 | impl<'a, Stack: stack::Stack, Output, TLS, const TLS_COUNT: usize> [INFO] [stdout] | ----- this type parameter [INFO] [stdout] ... [INFO] [stdout] 153 | pub fn stack(self) -> Stack { [INFO] [stdout] | ----- expected `Stack` because of return type [INFO] [stdout] 154 | self.generator.into_inner().stack() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected type parameter `Stack`, found enum `Option` [INFO] [stdout] | [INFO] [stdout] = note: expected type parameter `Stack` [INFO] [stdout] found enum `Option` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `async-wormhole` [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" "1b354d6b0d47849eebabed43b37d8e16bf5fbd3b3c38937fdc7f7798f2bda70d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b354d6b0d47849eebabed43b37d8e16bf5fbd3b3c38937fdc7f7798f2bda70d", kill_on_drop: false }` [INFO] [stdout] 1b354d6b0d47849eebabed43b37d8e16bf5fbd3b3c38937fdc7f7798f2bda70d