[INFO] crate futures-await 0.1.1 is already in cache [INFO] testing futures-await-0.1.1 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] extracting crate futures-await 0.1.1 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate futures-await 0.1.1 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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-14/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9210eb7263ed10eeaf2feec32bdcbeff9298c427d29469d04bd781985945fc19 [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" "9210eb7263ed10eeaf2feec32bdcbeff9298c427d29469d04bd781985945fc19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9210eb7263ed10eeaf2feec32bdcbeff9298c427d29469d04bd781985945fc19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9210eb7263ed10eeaf2feec32bdcbeff9298c427d29469d04bd781985945fc19", kill_on_drop: false }` [INFO] [stdout] 9210eb7263ed10eeaf2feec32bdcbeff9298c427d29469d04bd781985945fc19 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f945ffe0f1681483c03433be9360dcc150fe1a0f714e5bfdaf67134fdeaa47a7 [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" "f945ffe0f1681483c03433be9360dcc150fe1a0f714e5bfdaf67134fdeaa47a7", kill_on_drop: false }` [INFO] [stderr] Compiling futures-await-await-macro v0.1.1 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Compiling futures-await-async-macro v0.1.4 [INFO] [stderr] Compiling 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[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] [stderr] error: could not compile `futures-await`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "f945ffe0f1681483c03433be9360dcc150fe1a0f714e5bfdaf67134fdeaa47a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f945ffe0f1681483c03433be9360dcc150fe1a0f714e5bfdaf67134fdeaa47a7", kill_on_drop: false }` [INFO] [stdout] f945ffe0f1681483c03433be9360dcc150fe1a0f714e5bfdaf67134fdeaa47a7