[INFO] fetching crate futures-await 0.1.1... [INFO] checking futures-await-0.1.1 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073 [INFO] extracting crate futures-await 0.1.1 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate futures-await 0.1.1 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-12/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b57c6be6565c52abec01813ed038f4377f4d29e3bfc58fdfed7bfdb13fd87714 [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" "b57c6be6565c52abec01813ed038f4377f4d29e3bfc58fdfed7bfdb13fd87714", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b57c6be6565c52abec01813ed038f4377f4d29e3bfc58fdfed7bfdb13fd87714", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b57c6be6565c52abec01813ed038f4377f4d29e3bfc58fdfed7bfdb13fd87714", kill_on_drop: false }` [INFO] [stdout] b57c6be6565c52abec01813ed038f4377f4d29e3bfc58fdfed7bfdb13fd87714 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c319824012af304f1bb9041add98193ce9bcbf66ce7212d901ea69d8bdfaaa09 [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" "c319824012af304f1bb9041add98193ce9bcbf66ce7212d901ea69d8bdfaaa09", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking futures-await-await-macro v0.1.1 [INFO] [stderr] Checking futures-cpupool v0.1.8 [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] 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] [stderr] error: could not compile `futures-await` [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] [stderr] [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] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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: build failed [INFO] running `Command { std: "docker" "inspect" "c319824012af304f1bb9041add98193ce9bcbf66ce7212d901ea69d8bdfaaa09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c319824012af304f1bb9041add98193ce9bcbf66ce7212d901ea69d8bdfaaa09", kill_on_drop: false }` [INFO] [stdout] c319824012af304f1bb9041add98193ce9bcbf66ce7212d901ea69d8bdfaaa09