[INFO] fetching crate next-gen 0.1.1...
[INFO] testing next-gen-0.1.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate next-gen 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate next-gen 0.1.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate next-gen 0.1.1
[INFO] tweaked toml for crates.io crate next-gen 0.1.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate next-gen 0.1.1 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate next-gen 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded next-gen-proc_macros v0.1.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 985463ba494cd3302ec71ac56c082cb9590bec3a93f71007dc860b2ff552be08
[INFO] running `Command { std: "docker" "start" "-a" "985463ba494cd3302ec71ac56c082cb9590bec3a93f71007dc860b2ff552be08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "985463ba494cd3302ec71ac56c082cb9590bec3a93f71007dc860b2ff552be08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "985463ba494cd3302ec71ac56c082cb9590bec3a93f71007dc860b2ff552be08", kill_on_drop: false }`
[INFO] [stdout] 985463ba494cd3302ec71ac56c082cb9590bec3a93f71007dc860b2ff552be08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 0f7d77c8056795286d09fe20a10deaf86034bf56e7575082852dcbe900a0c66d
[INFO] running `Command { std: "docker" "start" "-a" "0f7d77c8056795286d09fe20a10deaf86034bf56e7575082852dcbe900a0c66d", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling unwind_safe v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling next-gen-proc_macros v0.1.1
[INFO] [stderr]    Compiling next-gen v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `{
[INFO] [stdout]              // ::{
[INFO] [stdout]              //     next_gen_proc_macros::generator,
[INFO] [stdout]              // },
[INFO] [stdout]              // self::{
[INFO] [stdout]              //     // coroutine::*,
[INFO] [stdout]              //     // generator::*,
[INFO] [stdout]              //     // ops::{Generator, GeneratorState},
[INFO] [stdout]              // },
[INFO] [stdout]          }`
[INFO] [stdout]   --> src/lib.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |   pub use {
[INFO] [stdout]    |  _________^
[INFO] [stdout] ...  |
[INFO] [stdout] 71 | | };
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.69s
[INFO] running `Command { std: "docker" "inspect" "0f7d77c8056795286d09fe20a10deaf86034bf56e7575082852dcbe900a0c66d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f7d77c8056795286d09fe20a10deaf86034bf56e7575082852dcbe900a0c66d", kill_on_drop: false }`
[INFO] [stdout] 0f7d77c8056795286d09fe20a10deaf86034bf56e7575082852dcbe900a0c66d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 0e35e87657ed446963f963cde2b1c025d3340c454e4bd72c3ec628d848bd2c32
[INFO] running `Command { std: "docker" "start" "-a" "0e35e87657ed446963f963cde2b1c025d3340c454e4bd72c3ec628d848bd2c32", kill_on_drop: false }`
[INFO] [stderr]    Compiling next-gen v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `{
[INFO] [stdout]              // ::{
[INFO] [stdout]              //     next_gen_proc_macros::generator,
[INFO] [stdout]              // },
[INFO] [stdout]              // self::{
[INFO] [stdout]              //     // coroutine::*,
[INFO] [stdout]              //     // generator::*,
[INFO] [stdout]              //     // ops::{Generator, GeneratorState},
[INFO] [stdout]              // },
[INFO] [stdout]          }`
[INFO] [stdout]   --> src/lib.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |   pub use {
[INFO] [stdout]    |  _________^
[INFO] [stdout] ...  |
[INFO] [stdout] 71 | | };
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `{
[INFO] [stdout]              // ::{
[INFO] [stdout]              //     next_gen_proc_macros::generator,
[INFO] [stdout]              // },
[INFO] [stdout]              // self::{
[INFO] [stdout]              //     // coroutine::*,
[INFO] [stdout]              //     // generator::*,
[INFO] [stdout]              //     // ops::{Generator, GeneratorState},
[INFO] [stdout]              // },
[INFO] [stdout]          }`
[INFO] [stdout]   --> src/lib.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |   pub use {
[INFO] [stdout]    |  _________^
[INFO] [stdout] ...  |
[INFO] [stdout] 71 | | };
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/public_macros.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             /// # Safety
[INFO] [stdout] 31 | |             ///
[INFO] [stdout] 32 | |             ///   - This is pin_utils' `pin_mut!` macro: the shadowing ensures
[INFO] [stdout] 33 | |             ///     there is no longer access to the original stack variable,
[INFO] [stdout] 34 | |             ///     which is thus impossible to move or forget.
[INFO] [stdout]    | |_______________________________________________________________^
[INFO] [stdout] 35 |               extern {}
[INFO] [stdout]    |               --------- rustdoc does not generate documentation for extern blocks
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/tests.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |       mk_gen!(let generator = generator());
[INFO] [stdout]    |       ------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/public_macros.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |             extern {}
[INFO] [stdout]    |             ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/tests.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     mk_gen!(let generator = generator());
[INFO] [stdout]    |     ------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/public_macros.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             /// # Safety
[INFO] [stdout] 31 | |             ///
[INFO] [stdout] 32 | |             ///   - This is pin_utils' `pin_mut!` macro: the shadowing ensures
[INFO] [stdout] 33 | |             ///     there is no longer access to the original stack variable,
[INFO] [stdout] 34 | |             ///     which is thus impossible to move or forget.
[INFO] [stdout]    | |_______________________________________________________________^
[INFO] [stdout] 35 |               extern {}
[INFO] [stdout]    |               --------- rustdoc does not generate documentation for extern blocks
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/tests.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |       mk_gen!(let mut generator = generator());
[INFO] [stdout]    |       ---------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/public_macros.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |             extern {}
[INFO] [stdout]    |             ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/tests.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     mk_gen!(let mut generator = generator());
[INFO] [stdout]    |     ---------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/public_macros.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 | /             /// # Safety
[INFO] [stdout] 31 | |             ///
[INFO] [stdout] 32 | |             ///   - This is pin_utils' `pin_mut!` macro: the shadowing ensures
[INFO] [stdout] 33 | |             ///     there is no longer access to the original stack variable,
[INFO] [stdout] 34 | |             ///     which is thus impossible to move or forget.
[INFO] [stdout]    | |_______________________________________________________________^
[INFO] [stdout] 35 |               extern {}
[INFO] [stdout]    |               --------- rustdoc does not generate documentation for extern blocks
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/tests.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |       mk_gen!(let generator = range(2, 8));
[INFO] [stdout]    |       ------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout]    = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/public_macros.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |             extern {}
[INFO] [stdout]    |             ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/tests.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     mk_gen!(let generator = range(2, 8));
[INFO] [stdout]    |     ------------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/public_macros.rs:30:13
[INFO] [stdout]     |
[INFO] [stdout] 30  | /             /// # Safety
[INFO] [stdout] 31  | |             ///
[INFO] [stdout] 32  | |             ///   - This is pin_utils' `pin_mut!` macro: the shadowing ensures
[INFO] [stdout] 33  | |             ///     there is no longer access to the original stack variable,
[INFO] [stdout] 34  | |             ///     which is thus impossible to move or forget.
[INFO] [stdout]     | |_______________________________________________________________^
[INFO] [stdout] 35  |               extern {}
[INFO] [stdout]     |               --------- rustdoc does not generate documentation for extern blocks
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/tests.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |           mk_gen!(let mut generator = generator());
[INFO] [stdout]     |           ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/public_macros.rs:35:13
[INFO] [stdout]     |
[INFO] [stdout] 35  |             extern {}
[INFO] [stdout]     |             ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/tests.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |         mk_gen!(let mut generator = generator());
[INFO] [stdout]     |         ---------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/public_macros.rs:30:13
[INFO] [stdout]     |
[INFO] [stdout] 30  | /             /// # Safety
[INFO] [stdout] 31  | |             ///
[INFO] [stdout] 32  | |             ///   - This is pin_utils' `pin_mut!` macro: the shadowing ensures
[INFO] [stdout] 33  | |             ///     there is no longer access to the original stack variable,
[INFO] [stdout] 34  | |             ///     which is thus impossible to move or forget.
[INFO] [stdout]     | |_______________________________________________________________^
[INFO] [stdout] 35  |               extern {}
[INFO] [stdout]     |               --------- rustdoc does not generate documentation for extern blocks
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/tests.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |           mk_gen!(let generator = range(2, 8));
[INFO] [stdout]     |           ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/public_macros.rs:35:13
[INFO] [stdout]     |
[INFO] [stdout] 35  |             extern {}
[INFO] [stdout]     |             ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/tests.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |         mk_gen!(let generator = range(2, 8));
[INFO] [stdout]     |         ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/public_macros.rs:30:13
[INFO] [stdout]     |
[INFO] [stdout] 30  | /             /// # Safety
[INFO] [stdout] 31  | |             ///
[INFO] [stdout] 32  | |             ///   - This is pin_utils' `pin_mut!` macro: the shadowing ensures
[INFO] [stdout] 33  | |             ///     there is no longer access to the original stack variable,
[INFO] [stdout] 34  | |             ///     which is thus impossible to move or forget.
[INFO] [stdout]     | |_______________________________________________________________^
[INFO] [stdout] 35  |               extern {}
[INFO] [stdout]     |               --------- rustdoc does not generate documentation for extern blocks
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/tests.rs:169:19
[INFO] [stdout]     |
[INFO] [stdout] 169 |           let ret = gen_iter!(
[INFO] [stdout]     |  ___________________-
[INFO] [stdout] 170 | |             for question in answer() {
[INFO] [stdout] 171 | |                 assert_eq!(
[INFO] [stdout] 172 | |                     question,
[INFO] [stdout] ...   |
[INFO] [stdout] 176 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `gen_iter` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/public_macros.rs:35:13
[INFO] [stdout]     |
[INFO] [stdout] 35  |               extern {}
[INFO] [stdout]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/tests.rs:169:19
[INFO] [stdout]     |
[INFO] [stdout] 169 |           let ret = gen_iter!(
[INFO] [stdout]     |  ___________________-
[INFO] [stdout] 170 | |             for question in answer() {
[INFO] [stdout] 171 | |                 assert_eq!(
[INFO] [stdout] 172 | |                     question,
[INFO] [stdout] ...   |
[INFO] [stdout] 176 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `gen_iter` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/public_macros.rs:30:13
[INFO] [stdout]     |
[INFO] [stdout] 30  | /             /// # Safety
[INFO] [stdout] 31  | |             ///
[INFO] [stdout] 32  | |             ///   - This is pin_utils' `pin_mut!` macro: the shadowing ensures
[INFO] [stdout] 33  | |             ///     there is no longer access to the original stack variable,
[INFO] [stdout] 34  | |             ///     which is thus impossible to move or forget.
[INFO] [stdout]     | |_______________________________________________________________^
[INFO] [stdout] 35  |               extern {}
[INFO] [stdout]     |               --------- rustdoc does not generate documentation for extern blocks
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/tests.rs:221:13
[INFO] [stdout]     |
[INFO] [stdout] 221 |               mk_gen!(let iterator = range(2, 7));
[INFO] [stdout]     |               ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/public_macros.rs:35:13
[INFO] [stdout]     |
[INFO] [stdout] 35  |             extern {}
[INFO] [stdout]     |             ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/tests.rs:221:13
[INFO] [stdout]     |
[INFO] [stdout] 221 |             mk_gen!(let iterator = range(2, 7));
[INFO] [stdout]     |             ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/public_macros.rs:30:13
[INFO] [stdout]     |
[INFO] [stdout] 30  | /             /// # Safety
[INFO] [stdout] 31  | |             ///
[INFO] [stdout] 32  | |             ///   - This is pin_utils' `pin_mut!` macro: the shadowing ensures
[INFO] [stdout] 33  | |             ///     there is no longer access to the original stack variable,
[INFO] [stdout] 34  | |             ///     which is thus impossible to move or forget.
[INFO] [stdout]     | |_______________________________________________________________^
[INFO] [stdout] 35  |               extern {}
[INFO] [stdout]     |               --------- rustdoc does not generate documentation for extern blocks
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/tests.rs:222:13
[INFO] [stdout]     |
[INFO] [stdout] 222 |               mk_gen!(let iterator = filter(|x| x % 2 == 0, iterator));
[INFO] [stdout]     |               -------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/public_macros.rs:35:13
[INFO] [stdout]     |
[INFO] [stdout] 35  |             extern {}
[INFO] [stdout]     |             ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/tests.rs:222:13
[INFO] [stdout]     |
[INFO] [stdout] 222 |             mk_gen!(let iterator = filter(|x| x % 2 == 0, iterator));
[INFO] [stdout]     |             -------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/public_macros.rs:30:13
[INFO] [stdout]     |
[INFO] [stdout] 30  | /             /// # Safety
[INFO] [stdout] 31  | |             ///
[INFO] [stdout] 32  | |             ///   - This is pin_utils' `pin_mut!` macro: the shadowing ensures
[INFO] [stdout] 33  | |             ///     there is no longer access to the original stack variable,
[INFO] [stdout] 34  | |             ///     which is thus impossible to move or forget.
[INFO] [stdout]     | |_______________________________________________________________^
[INFO] [stdout] 35  |               extern {}
[INFO] [stdout]     |               --------- rustdoc does not generate documentation for extern blocks
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/tests.rs:233:13
[INFO] [stdout]     |
[INFO] [stdout] 233 |               mk_gen!(let iterator = range(2, 7));
[INFO] [stdout]     |               ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/public_macros.rs:35:13
[INFO] [stdout]     |
[INFO] [stdout] 35  |             extern {}
[INFO] [stdout]     |             ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/tests.rs:233:13
[INFO] [stdout]     |
[INFO] [stdout] 233 |             mk_gen!(let iterator = range(2, 7));
[INFO] [stdout]     |             ----------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/public_macros.rs:30:13
[INFO] [stdout]     |
[INFO] [stdout] 30  | /             /// # Safety
[INFO] [stdout] 31  | |             ///
[INFO] [stdout] 32  | |             ///   - This is pin_utils' `pin_mut!` macro: the shadowing ensures
[INFO] [stdout] 33  | |             ///     there is no longer access to the original stack variable,
[INFO] [stdout] 34  | |             ///     which is thus impossible to move or forget.
[INFO] [stdout]     | |_______________________________________________________________^
[INFO] [stdout] 35  |               extern {}
[INFO] [stdout]     |               --------- rustdoc does not generate documentation for extern blocks
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/tests.rs:234:13
[INFO] [stdout]     |
[INFO] [stdout] 234 |               mk_gen!(let iterator = filter(|x| x % 2 == 0, iterator));
[INFO] [stdout]     |               -------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/public_macros.rs:35:13
[INFO] [stdout]     |
[INFO] [stdout] 35  |             extern {}
[INFO] [stdout]     |             ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/tests.rs:234:13
[INFO] [stdout]     |
[INFO] [stdout] 234 |             mk_gen!(let iterator = filter(|x| x % 2 == 0, iterator));
[INFO] [stdout]     |             -------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/public_macros.rs:30:13
[INFO] [stdout]     |
[INFO] [stdout] 30  | /             /// # Safety
[INFO] [stdout] 31  | |             ///
[INFO] [stdout] 32  | |             ///   - This is pin_utils' `pin_mut!` macro: the shadowing ensures
[INFO] [stdout] 33  | |             ///     there is no longer access to the original stack variable,
[INFO] [stdout] 34  | |             ///     which is thus impossible to move or forget.
[INFO] [stdout]     | |_______________________________________________________________^
[INFO] [stdout] 35  |               extern {}
[INFO] [stdout]     |               --------- rustdoc does not generate documentation for extern blocks
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/tests.rs:235:13
[INFO] [stdout]     |
[INFO] [stdout] 235 |               mk_gen!(let iterator = map(|x| x * x, iterator));
[INFO] [stdout]     |               ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/public_macros.rs:35:13
[INFO] [stdout]     |
[INFO] [stdout] 35  |             extern {}
[INFO] [stdout]     |             ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/tests.rs:235:13
[INFO] [stdout]     |
[INFO] [stdout] 235 |             mk_gen!(let iterator = map(|x| x * x, iterator));
[INFO] [stdout]     |             ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "0e35e87657ed446963f963cde2b1c025d3340c454e4bd72c3ec628d848bd2c32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e35e87657ed446963f963cde2b1c025d3340c454e4bd72c3ec628d848bd2c32", kill_on_drop: false }`
[INFO] [stdout] 0e35e87657ed446963f963cde2b1c025d3340c454e4bd72c3ec628d848bd2c32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 93d25f2af02ab1fa6ab22b671ccb6add982ee1de9ca53c394581053aac4d1f8c
[INFO] running `Command { std: "docker" "start" "-a" "93d25f2af02ab1fa6ab22b671ccb6add982ee1de9ca53c394581053aac4d1f8c", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `{
[INFO] [stderr]              // ::{
[INFO] [stderr]              //     next_gen_proc_macros::generator,
[INFO] [stderr]              // },
[INFO] [stderr]              // self::{
[INFO] [stderr]              //     // coroutine::*,
[INFO] [stderr]              //     // generator::*,
[INFO] [stderr]              //     // ops::{Generator, GeneratorState},
[INFO] [stderr]              // },
[INFO] [stderr]          }`
[INFO] [stderr]   --> src/lib.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |   pub use {
[INFO] [stderr]    |  _________^
[INFO] [stderr] ...  |
[INFO] [stderr] 71 | | };
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/public_macros.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 | /             /// # Safety
[INFO] [stderr] 31 | |             ///
[INFO] [stderr] 32 | |             ///   - This is pin_utils' `pin_mut!` macro: the shadowing ensures
[INFO] [stderr] 33 | |             ///     there is no longer access to the original stack variable,
[INFO] [stderr] 34 | |             ///     which is thus impossible to move or forget.
[INFO] [stderr]    | |_______________________________________________________________^
[INFO] [stderr] 35 |               extern {}
[INFO] [stderr]    |               --------- rustdoc does not generate documentation for extern blocks
[INFO] [stderr]    |
[INFO] [stderr]   ::: src/tests.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |       mk_gen!(let generator = generator());
[INFO] [stderr]    |       ------------------------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: use `//` for a plain comment
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]   --> src/public_macros.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |             extern {}
[INFO] [stderr]    |             ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr]    |
[INFO] [stderr]   ::: src/tests.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     mk_gen!(let generator = generator());
[INFO] [stderr]    |     ------------------------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(missing_abi)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/public_macros.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 | /             /// # Safety
[INFO] [stderr] 31 | |             ///
[INFO] [stderr] 32 | |             ///   - This is pin_utils' `pin_mut!` macro: the shadowing ensures
[INFO] [stderr] 33 | |             ///     there is no longer access to the original stack variable,
[INFO] [stderr] 34 | |             ///     which is thus impossible to move or forget.
[INFO] [stderr]    | |_______________________________________________________________^
[INFO] [stderr] 35 |               extern {}
[INFO] [stderr]    |               --------- rustdoc does not generate documentation for extern blocks
[INFO] [stderr]    |
[INFO] [stderr]   ::: src/tests.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |       mk_gen!(let mut generator = generator());
[INFO] [stderr]    |       ---------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: use `//` for a plain comment
[INFO] [stderr]    = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]   --> src/public_macros.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |             extern {}
[INFO] [stderr]    |             ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr]    |
[INFO] [stderr]   ::: src/tests.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     mk_gen!(let mut generator = generator());
[INFO] [stderr]    |     ---------------------------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/public_macros.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 | /             /// # Safety
[INFO] [stderr] 31 | |             ///
[INFO] [stderr] 32 | |             ///   - This is pin_utils' `pin_mut!` macro: the shadowing ensures
[INFO] [stderr] 33 | |             ///     there is no longer access to the original stack variable,
[INFO] [stderr] 34 | |             ///     which is thus impossible to move or forget.
[INFO] [stderr]    | |_______________________________________________________________^
[INFO] [stderr] 35 |               extern {}
[INFO] [stderr]    |               --------- rustdoc does not generate documentation for extern blocks
[INFO] [stderr]    |
[INFO] [stderr]   ::: src/tests.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |       mk_gen!(let generator = range(2, 8));
[INFO] [stderr]    |       ------------------------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = help: use `//` for a plain comment
[INFO] [stderr]    = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]   --> src/public_macros.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |             extern {}
[INFO] [stderr]    |             ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr]    |
[INFO] [stderr]   ::: src/tests.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     mk_gen!(let generator = range(2, 8));
[INFO] [stderr]    |     ------------------------------------ in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/public_macros.rs:30:13
[INFO] [stderr]     |
[INFO] [stderr] 30  | /             /// # Safety
[INFO] [stderr] 31  | |             ///
[INFO] [stderr] 32  | |             ///   - This is pin_utils' `pin_mut!` macro: the shadowing ensures
[INFO] [stderr] 33  | |             ///     there is no longer access to the original stack variable,
[INFO] [stderr] 34  | |             ///     which is thus impossible to move or forget.
[INFO] [stderr]     | |_______________________________________________________________^
[INFO] [stderr] 35  |               extern {}
[INFO] [stderr]     |               --------- rustdoc does not generate documentation for extern blocks
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/tests.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |           mk_gen!(let mut generator = generator());
[INFO] [stderr]     |           ---------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: use `//` for a plain comment
[INFO] [stderr]     = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]    --> src/public_macros.rs:35:13
[INFO] [stderr]     |
[INFO] [stderr] 35  |             extern {}
[INFO] [stderr]     |             ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/tests.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |         mk_gen!(let mut generator = generator());
[INFO] [stderr]     |         ---------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/public_macros.rs:30:13
[INFO] [stderr]     |
[INFO] [stderr] 30  | /             /// # Safety
[INFO] [stderr] 31  | |             ///
[INFO] [stderr] 32  | |             ///   - This is pin_utils' `pin_mut!` macro: the shadowing ensures
[INFO] [stderr] 33  | |             ///     there is no longer access to the original stack variable,
[INFO] [stderr] 34  | |             ///     which is thus impossible to move or forget.
[INFO] [stderr]     | |_______________________________________________________________^
[INFO] [stderr] 35  |               extern {}
[INFO] [stderr]     |               --------- rustdoc does not generate documentation for extern blocks
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/tests.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |           mk_gen!(let generator = range(2, 8));
[INFO] [stderr]     |           ------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: use `//` for a plain comment
[INFO] [stderr]     = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]    --> src/public_macros.rs:35:13
[INFO] [stderr]     |
[INFO] [stderr] 35  |             extern {}
[INFO] [stderr]     |             ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/tests.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |         mk_gen!(let generator = range(2, 8));
[INFO] [stderr]     |         ------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/public_macros.rs:30:13
[INFO] [stderr]     |
[INFO] [stderr] 30  | /             /// # Safety
[INFO] [stderr] 31  | |             ///
[INFO] [stderr] 32  | |             ///   - This is pin_utils' `pin_mut!` macro: the shadowing ensures
[INFO] [stderr] 33  | |             ///     there is no longer access to the original stack variable,
[INFO] [stderr] 34  | |             ///     which is thus impossible to move or forget.
[INFO] [stderr]     | |_______________________________________________________________^
[INFO] [stderr] 35  |               extern {}
[INFO] [stderr]     |               --------- rustdoc does not generate documentation for extern blocks
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/tests.rs:169:19
[INFO] [stderr]     |
[INFO] [stderr] 169 |           let ret = gen_iter!(
[INFO] [stderr]     |  ___________________-
[INFO] [stderr] 170 | |             for question in answer() {
[INFO] [stderr] 171 | |                 assert_eq!(
[INFO] [stderr] 172 | |                     question,
[INFO] [stderr] ...   |
[INFO] [stderr] 176 | |         );
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: use `//` for a plain comment
[INFO] [stderr]     = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `gen_iter` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]    --> src/public_macros.rs:35:13
[INFO] [stderr]     |
[INFO] [stderr] 35  |               extern {}
[INFO] [stderr]     |               ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/tests.rs:169:19
[INFO] [stderr]     |
[INFO] [stderr] 169 |           let ret = gen_iter!(
[INFO] [stderr]     |  ___________________-
[INFO] [stderr] 170 | |             for question in answer() {
[INFO] [stderr] 171 | |                 assert_eq!(
[INFO] [stderr] 172 | |                     question,
[INFO] [stderr] ...   |
[INFO] [stderr] 176 | |         );
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `gen_iter` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/public_macros.rs:30:13
[INFO] [stderr]     |
[INFO] [stderr] 30  | /             /// # Safety
[INFO] [stderr] 31  | |             ///
[INFO] [stderr] 32  | |             ///   - This is pin_utils' `pin_mut!` macro: the shadowing ensures
[INFO] [stderr] 33  | |             ///     there is no longer access to the original stack variable,
[INFO] [stderr] 34  | |             ///     which is thus impossible to move or forget.
[INFO] [stderr]     | |_______________________________________________________________^
[INFO] [stderr] 35  |               extern {}
[INFO] [stderr]     |               --------- rustdoc does not generate documentation for extern blocks
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/tests.rs:221:13
[INFO] [stderr]     |
[INFO] [stderr] 221 |               mk_gen!(let iterator = range(2, 7));
[INFO] [stderr]     |               ----------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: use `//` for a plain comment
[INFO] [stderr]     = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]    --> src/public_macros.rs:35:13
[INFO] [stderr]     |
[INFO] [stderr] 35  |             extern {}
[INFO] [stderr]     |             ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/tests.rs:221:13
[INFO] [stderr]     |
[INFO] [stderr] 221 |             mk_gen!(let iterator = range(2, 7));
[INFO] [stderr]     |             ----------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/public_macros.rs:30:13
[INFO] [stderr]     |
[INFO] [stderr] 30  | /             /// # Safety
[INFO] [stderr] 31  | |             ///
[INFO] [stderr] 32  | |             ///   - This is pin_utils' `pin_mut!` macro: the shadowing ensures
[INFO] [stderr] 33  | |             ///     there is no longer access to the original stack variable,
[INFO] [stderr] 34  | |             ///     which is thus impossible to move or forget.
[INFO] [stderr]     | |_______________________________________________________________^
[INFO] [stderr] 35  |               extern {}
[INFO] [stderr]     |               --------- rustdoc does not generate documentation for extern blocks
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/tests.rs:222:13
[INFO] [stderr]     |
[INFO] [stderr] 222 |               mk_gen!(let iterator = filter(|x| x % 2 == 0, iterator));
[INFO] [stderr]     |               -------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: use `//` for a plain comment
[INFO] [stderr]     = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]    --> src/public_macros.rs:35:13
[INFO] [stderr]     |
[INFO] [stderr] 35  |             extern {}
[INFO] [stderr]     |             ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/tests.rs:222:13
[INFO] [stderr]     |
[INFO] [stderr] 222 |             mk_gen!(let iterator = filter(|x| x % 2 == 0, iterator));
[INFO] [stderr]     |             -------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/public_macros.rs:30:13
[INFO] [stderr]     |
[INFO] [stderr] 30  | /             /// # Safety
[INFO] [stderr] 31  | |             ///
[INFO] [stderr] 32  | |             ///   - This is pin_utils' `pin_mut!` macro: the shadowing ensures
[INFO] [stderr] 33  | |             ///     there is no longer access to the original stack variable,
[INFO] [stderr] 34  | |             ///     which is thus impossible to move or forget.
[INFO] [stderr]     | |_______________________________________________________________^
[INFO] [stderr] 35  |               extern {}
[INFO] [stderr]     |               --------- rustdoc does not generate documentation for extern blocks
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/tests.rs:233:13
[INFO] [stderr]     |
[INFO] [stderr] 233 |               mk_gen!(let iterator = range(2, 7));
[INFO] [stderr]     |               ----------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: use `//` for a plain comment
[INFO] [stderr]     = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]    --> src/public_macros.rs:35:13
[INFO] [stderr]     |
[INFO] [stderr] 35  |             extern {}
[INFO] [stderr]     |             ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/tests.rs:233:13
[INFO] [stderr]     |
[INFO] [stderr] 233 |             mk_gen!(let iterator = range(2, 7));
[INFO] [stderr]     |             ----------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/public_macros.rs:30:13
[INFO] [stderr]     |
[INFO] [stderr] 30  | /             /// # Safety
[INFO] [stderr] 31  | |             ///
[INFO] [stderr] 32  | |             ///   - This is pin_utils' `pin_mut!` macro: the shadowing ensures
[INFO] [stderr] 33  | |             ///     there is no longer access to the original stack variable,
[INFO] [stderr] 34  | |             ///     which is thus impossible to move or forget.
[INFO] [stderr]     | |_______________________________________________________________^
[INFO] [stderr] 35  |               extern {}
[INFO] [stderr]     |               --------- rustdoc does not generate documentation for extern blocks
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/tests.rs:234:13
[INFO] [stderr]     |
[INFO] [stderr] 234 |               mk_gen!(let iterator = filter(|x| x % 2 == 0, iterator));
[INFO] [stderr]     |               -------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: use `//` for a plain comment
[INFO] [stderr]     = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]    --> src/public_macros.rs:35:13
[INFO] [stderr]     |
[INFO] [stderr] 35  |             extern {}
[INFO] [stderr]     |             ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/tests.rs:234:13
[INFO] [stderr]     |
[INFO] [stderr] 234 |             mk_gen!(let iterator = filter(|x| x % 2 == 0, iterator));
[INFO] [stderr]     |             -------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/public_macros.rs:30:13
[INFO] [stderr]     |
[INFO] [stderr] 30  | /             /// # Safety
[INFO] [stderr] 31  | |             ///
[INFO] [stderr] 32  | |             ///   - This is pin_utils' `pin_mut!` macro: the shadowing ensures
[INFO] [stderr] 33  | |             ///     there is no longer access to the original stack variable,
[INFO] [stderr] 34  | |             ///     which is thus impossible to move or forget.
[INFO] [stderr]     | |_______________________________________________________________^
[INFO] [stderr] 35  |               extern {}
[INFO] [stderr]     |               --------- rustdoc does not generate documentation for extern blocks
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/tests.rs:235:13
[INFO] [stderr]     |
[INFO] [stderr] 235 |               mk_gen!(let iterator = map(|x| x * x, iterator));
[INFO] [stderr]     |               ------------------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: use `//` for a plain comment
[INFO] [stderr]     = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated
[INFO] [stderr]    --> src/public_macros.rs:35:13
[INFO] [stderr]     |
[INFO] [stderr] 35  |             extern {}
[INFO] [stderr]     |             ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"`
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/tests.rs:235:13
[INFO] [stderr]     |
[INFO] [stderr] 235 |             mk_gen!(let iterator = map(|x| x * x, iterator));
[INFO] [stderr]     |             ------------------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `$crate::stack_pinned` which comes from the expansion of the macro `mk_gen` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `next-gen` (lib) generated 1 warning (run `cargo fix --lib -p next-gen` to apply 1 suggestion)
[INFO] [stderr] warning: `next-gen` (lib test) generated 23 warnings (1 duplicate) (run `cargo fix --lib -p next-gen --tests` to apply 11 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/next_gen-dbab4a3f6a9bd42b)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::basic ... ok
[INFO] [stdout] test tests::proc_macros::adaptors::filter_range ... ok
[INFO] [stdout] test tests::proc_macros::adaptors::filter_map_range ... ok
[INFO] [stdout] test tests::proc_macros::gen_iter ... ok
[INFO] [stdout] test tests::proc_macros::range ... ok
[INFO] [stdout] test tests::proc_macros::resume_args ... ok
[INFO] [stdout] test tests::proc_macros::return_iterator_with_concrete_dyn_type ... ok
[INFO] [stdout] test tests::range ... ok
[INFO] [stdout] test tests::resume_args ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running tests/recursion.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/recursion-9099cdcafba9aa58)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test naive_stack_state ... ignored
[INFO] [stdout] test auto_heap_state ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "93d25f2af02ab1fa6ab22b671ccb6add982ee1de9ca53c394581053aac4d1f8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93d25f2af02ab1fa6ab22b671ccb6add982ee1de9ca53c394581053aac4d1f8c", kill_on_drop: false }`
[INFO] [stdout] 93d25f2af02ab1fa6ab22b671ccb6add982ee1de9ca53c394581053aac4d1f8c