[INFO] fetching crate generator 0.6.22...
[INFO] checking generator-0.6.22 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate generator 0.6.22 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate generator 0.6.22 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 generator 0.6.22
[INFO] finished tweaking crates.io crate generator 0.6.22
[INFO] tweaked toml for crates.io crate generator 0.6.22 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate generator 0.6.22 already has a lockfile, it will not be regenerated
[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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] 91d2825ff93ca3b5121a05bc0b3c202fea2012e698762277cea4882c51466f73
[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" "91d2825ff93ca3b5121a05bc0b3c202fea2012e698762277cea4882c51466f73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91d2825ff93ca3b5121a05bc0b3c202fea2012e698762277cea4882c51466f73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91d2825ff93ca3b5121a05bc0b3c202fea2012e698762277cea4882c51466f73", kill_on_drop: false }`
[INFO] [stdout] 91d2825ff93ca3b5121a05bc0b3c202fea2012e698762277cea4882c51466f73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3d73fc869dc60bf9042c427feb0c6e64f8f7814f129012e5f6478f564e6b07dc
[INFO] running `Command { std: "docker" "start" "-a" "3d73fc869dc60bf9042c427feb0c6e64f8f7814f129012e5f6478f564e6b07dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling generator v0.6.22 (/opt/rustwide/workdir)
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]    --> src/gen_impl.rs:357:13
[INFO] [stdout]     |
[INFO] [stdout] 357 |             #[cold]
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] 358 |             panic::resume_unwind(err);
[INFO] [stdout]     |             ------------------------- not a function
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]    --> src/gen_impl.rs:397:13
[INFO] [stdout]     |
[INFO] [stdout] 397 |             #[cold]
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] 398 |             return None;
[INFO] [stdout]     |             ----------- not a function
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]    --> src/gen_impl.rs:413:13
[INFO] [stdout]     |
[INFO] [stdout] 413 |             #[cold]
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] 414 |             return None;
[INFO] [stdout]     |             ----------- not a function
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]    --> src/rt.rs:190:17
[INFO] [stdout]     |
[INFO] [stdout] 190 |                 #[cold]
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout] 191 |                 init_root_p();
[INFO] [stdout]     |                 ------------- not a function
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: attribute should be applied to a function
[INFO] [stdout]    --> src/gen_impl.rs:357:13
[INFO] [stdout]     |
[INFO] [stdout] 357 |             #[cold]
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] 358 |             panic::resume_unwind(err);
[INFO] [stdout]     |             ------------------------- not a function
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:8:24
[INFO] [stdout]     |
[INFO] [stdout] 8   | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(unused_attributes)]` implied by `#[deny(warnings)]`
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: attribute should be applied to a function
[INFO] [stdout]    --> src/gen_impl.rs:397:13
[INFO] [stdout]     |
[INFO] [stdout] 397 |             #[cold]
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] 398 |             return None;
[INFO] [stdout]     |             ----------- not a function
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: attribute should be applied to a function
[INFO] [stdout]    --> src/gen_impl.rs:413:13
[INFO] [stdout]     |
[INFO] [stdout] 413 |             #[cold]
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] 414 |             return None;
[INFO] [stdout]     |             ----------- not a function
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: attribute should be applied to a function
[INFO] [stdout]    --> src/rt.rs:190:17
[INFO] [stdout]     |
[INFO] [stdout] 190 |                 #[cold]
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout] 191 |                 init_root_p();
[INFO] [stdout]     |                 ------------- not a function
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: attribute should be applied to a function
[INFO] [stdout]   --> src/yield_.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |           #[cold]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 88 | /         {
[INFO] [stdout] 89 | |             error!("get yield from none generator context");
[INFO] [stdout] 90 | |             panic!(Error::ContextErr);
[INFO] [stdout] 91 | |         }
[INFO] [stdout]    | |_________- not a function
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]   --> src/yield_.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |           #[cold]
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 88 | /         {
[INFO] [stdout] 89 | |             error!("get yield from none generator context");
[INFO] [stdout] 90 | |             panic!(Error::ContextErr);
[INFO] [stdout] 91 | |         }
[INFO] [stdout]    | |_________- not a function
[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] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `generator`
[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] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3d73fc869dc60bf9042c427feb0c6e64f8f7814f129012e5f6478f564e6b07dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d73fc869dc60bf9042c427feb0c6e64f8f7814f129012e5f6478f564e6b07dc", kill_on_drop: false }`
[INFO] [stdout] 3d73fc869dc60bf9042c427feb0c6e64f8f7814f129012e5f6478f564e6b07dc