[INFO] fetching crate futures-await 0.1.1... [INFO] checking futures-await-0.1.1 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] extracting crate futures-await 0.1.1 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate futures-await 0.1.1 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate futures-await 0.1.1 [INFO] finished tweaking crates.io crate futures-await 0.1.1 [INFO] tweaked toml for crates.io crate futures-await 0.1.1 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c8726a83013b96b760db82492b9aa876aad6d012aef5523de59381d997ff1828 [INFO] running `Command { std: "docker" "start" "-a" "c8726a83013b96b760db82492b9aa876aad6d012aef5523de59381d997ff1828", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c8726a83013b96b760db82492b9aa876aad6d012aef5523de59381d997ff1828", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8726a83013b96b760db82492b9aa876aad6d012aef5523de59381d997ff1828", kill_on_drop: false }` [INFO] [stdout] c8726a83013b96b760db82492b9aa876aad6d012aef5523de59381d997ff1828 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 34665480eb7713f015682f57f43052851ee86a06509e723b15aea9e0070dc896 [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" "34665480eb7713f015682f57f43052851ee86a06509e723b15aea9e0070dc896", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Checking futures v0.1.30 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking futures-await-await-macro v0.1.1 [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Checking crossbeam-utils v0.7.2 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking log v0.4.11 [INFO] [stderr] Checking crossbeam-epoch v0.8.2 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking net2 v0.2.35 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking tokio-core v0.1.17 [INFO] [stderr] Compiling futures-await-async-macro v0.1.4 [INFO] [stderr] Checking futures-await v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | #![feature(on_unimplemented)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | #![feature(on_unimplemented)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: this is an internal attribute that will never be stable [INFO] [stdout] --> src/lib.rs:64:5 [INFO] [stdout] | [INFO] [stdout] 64 | / #[rustc_on_unimplemented = "async functions must return a `Result` or \ [INFO] [stdout] 65 | | a typedef of `Result`"] [INFO] [stdout] | |_______________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = help: add `#![feature(rustc_attrs)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: this is an internal attribute that will never be stable [INFO] [stdout] --> src/lib.rs:64:5 [INFO] [stdout] | [INFO] [stdout] 64 | / #[rustc_on_unimplemented = "async functions must return a `Result` or \ [INFO] [stdout] 65 | | a typedef of `Result`"] [INFO] [stdout] | |_______________________________________________________^ [INFO] [stdout] | [INFO] [stdout] = help: add `#![feature(rustc_attrs)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: ambiguous associated item [INFO] [stdout] --> src/lib.rs:76:40 [INFO] [stdout] | [INFO] [stdout] 76 | fn into_result(self) -> Result { self } [INFO] [stdout] | ^^^^^^^^ help: use fully-qualified syntax: ` as IsResult>::Ok` [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(ambiguous_associated_items)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #57644 [INFO] [stdout] note: `Ok` could refer to the variant defined here [INFO] [stdout] note: `Ok` could also refer to the associated type defined here [INFO] [stdout] --> src/lib.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | type Ok; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: ambiguous associated item [INFO] [stdout] --> src/lib.rs:76:50 [INFO] [stdout] | [INFO] [stdout] 76 | fn into_result(self) -> Result { self } [INFO] [stdout] | ^^^^^^^^^ help: use fully-qualified syntax: ` as IsResult>::Err` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #57644 [INFO] [stdout] note: `Err` could refer to the variant defined here [INFO] [stdout] note: `Err` could also refer to the associated type defined here [INFO] [stdout] --> src/lib.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | type Err; [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: E0557, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stdout] error: ambiguous associated item [INFO] [stdout] --> src/lib.rs:76:40 [INFO] [stdout] | [INFO] [stdout] 76 | fn into_result(self) -> Result { self } [INFO] [stdout] | ^^^^^^^^ help: use fully-qualified syntax: ` as IsResult>::Ok` [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(ambiguous_associated_items)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #57644 [INFO] [stdout] note: `Ok` could refer to the variant defined here [INFO] [stdout] note: `Ok` could also refer to the associated type defined here [INFO] [stdout] --> src/lib.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | type Ok; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: ambiguous associated item [INFO] [stdout] --> src/lib.rs:76:50 [INFO] [stdout] | [INFO] [stdout] 76 | fn into_result(self) -> Result { self } [INFO] [stdout] | ^^^^^^^^^ help: use fully-qualified syntax: ` as IsResult>::Err` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #57644 [INFO] [stdout] note: `Err` could refer to the variant defined here [INFO] [stdout] note: `Err` could also refer to the associated type defined here [INFO] [stdout] --> src/lib.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | type Err; [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: E0557, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stderr] error: could not compile `futures-await` [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" "34665480eb7713f015682f57f43052851ee86a06509e723b15aea9e0070dc896", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "34665480eb7713f015682f57f43052851ee86a06509e723b15aea9e0070dc896", kill_on_drop: false }` [INFO] [stdout] 34665480eb7713f015682f57f43052851ee86a06509e723b15aea9e0070dc896