[INFO] cloning repository https://github.com/panzi/rust-join-string
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/panzi/rust-join-string" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpanzi%2Frust-join-string", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpanzi%2Frust-join-string'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f3789dbc8a86fd2316293994cc96a8356068225
[INFO] checking panzi/rust-join-string against try#b6bca0d7327839b5e3f7a7779947cb9113d08917+rustflags=-Zstrict-projection-item-bounds for 150662-leaf
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpanzi%2Frust-join-string" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/panzi/rust-join-string
[INFO] finished tweaking git repo https://github.com/panzi/rust-join-string
[INFO] tweaked toml for git repo https://github.com/panzi/rust-join-string written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/panzi/rust-join-string on toolchain b6bca0d7327839b5e3f7a7779947cb9113d08917
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/panzi/rust-join-string 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" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91d06190c76e35f135194a358969008a2811e61431a9d86df8e1b0fc71bed2c7
[INFO] running `Command { std: "docker" "start" "-a" "91d06190c76e35f135194a358969008a2811e61431a9d86df8e1b0fc71bed2c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91d06190c76e35f135194a358969008a2811e61431a9d86df8e1b0fc71bed2c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91d06190c76e35f135194a358969008a2811e61431a9d86df8e1b0fc71bed2c7", kill_on_drop: false }`
[INFO] [stdout] 91d06190c76e35f135194a358969008a2811e61431a9d86df8e1b0fc71bed2c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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 -Zstrict-projection-item-bounds" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc96e7f8cb669260a634f0f4dc0d4acbe8c9f35685606e5bc681a031cd7b71c4
[INFO] running `Command { std: "docker" "start" "-a" "fc96e7f8cb669260a634f0f4dc0d4acbe8c9f35685606e5bc681a031cd7b71c4", kill_on_drop: false }`
[INFO] [stderr]     Checking join-string v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `iter_advance_by`
[INFO] [stdout]    --> src/lib.rs:358:11
[INFO] [stdout]     |
[INFO] [stdout] 358 |     #[cfg(target_feature = "iter_advance_by")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `target_feature` are: `10e60`, `2e3`, `32s`, `3e3r1`, `3e3r2`, `3e3r3`, `3e7`, `7e10`, `a`, `aclass`, `addsubiw`, `adx`, `aes`, `allows-misaligned-mem-access`, `altivec`, `alu32`, `amx-avx512`, `amx-bf16`, `amx-complex`, `amx-fp16`, `amx-fp8`, `amx-int8`, `amx-movrs`, `amx-tf32`, `amx-tile`, `apxf`, `atomics`, `avx`, `avx10.1`, `avx10.2`, `avx2`, `avx512bf16`, `avx512bitalg`, `avx512bw`, and `avx512cd` and 462 more
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `trusted_random_access`
[INFO] [stdout]    --> src/lib.rs:364:11
[INFO] [stdout]     |
[INFO] [stdout] 364 |     #[cfg(target_feature = "trusted_random_access")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `target_feature` are: `10e60`, `2e3`, `32s`, `3e3r1`, `3e3r2`, `3e3r3`, `3e7`, `7e10`, `a`, `aclass`, `addsubiw`, `adx`, `aes`, `allows-misaligned-mem-access`, `altivec`, `alu32`, `amx-avx512`, `amx-bf16`, `amx-complex`, `amx-fp16`, `amx-fp8`, `amx-int8`, `amx-movrs`, `amx-tf32`, `amx-tile`, `apxf`, `atomics`, `avx`, `avx10.1`, `avx10.2`, `avx2`, `avx512bf16`, `avx512bitalg`, `avx512bw`, and `avx512cd` and 462 more
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `exact_size_is_empty`
[INFO] [stdout]    --> src/lib.rs:384:11
[INFO] [stdout]     |
[INFO] [stdout] 384 |     #[cfg(target_feature = "exact_size_is_empty")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `target_feature` are: `10e60`, `2e3`, `32s`, `3e3r1`, `3e3r2`, `3e3r3`, `3e7`, `7e10`, `a`, `aclass`, `addsubiw`, `adx`, `aes`, `allows-misaligned-mem-access`, `altivec`, `alu32`, `amx-avx512`, `amx-bf16`, `amx-complex`, `amx-fp16`, `amx-fp8`, `amx-int8`, `amx-movrs`, `amx-tf32`, `amx-tile`, `apxf`, `atomics`, `avx`, `avx10.1`, `avx10.2`, `avx2`, `avx512bf16`, `avx512bitalg`, `avx512bw`, and `avx512cd` and 462 more
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `iter_advance_by`
[INFO] [stdout]    --> src/lib.rs:412:11
[INFO] [stdout]     |
[INFO] [stdout] 412 |     #[cfg(target_feature = "iter_advance_by")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `target_feature` are: `10e60`, `2e3`, `32s`, `3e3r1`, `3e3r2`, `3e3r3`, `3e7`, `7e10`, `a`, `aclass`, `addsubiw`, `adx`, `aes`, `allows-misaligned-mem-access`, `altivec`, `alu32`, `amx-avx512`, `amx-bf16`, `amx-complex`, `amx-fp16`, `amx-fp8`, `amx-int8`, `amx-movrs`, `amx-tf32`, `amx-tile`, `apxf`, `atomics`, `avx`, `avx10.1`, `avx10.2`, `avx2`, `avx512bf16`, `avx512bitalg`, `avx512bw`, and `avx512cd` and 462 more
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `iter_advance_by`
[INFO] [stdout]    --> src/lib.rs:358:11
[INFO] [stdout]     |
[INFO] [stdout] 358 |     #[cfg(target_feature = "iter_advance_by")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `target_feature` are: `10e60`, `2e3`, `32s`, `3e3r1`, `3e3r2`, `3e3r3`, `3e7`, `7e10`, `a`, `aclass`, `addsubiw`, `adx`, `aes`, `allows-misaligned-mem-access`, `altivec`, `alu32`, `amx-avx512`, `amx-bf16`, `amx-complex`, `amx-fp16`, `amx-fp8`, `amx-int8`, `amx-movrs`, `amx-tf32`, `amx-tile`, `apxf`, `atomics`, `avx`, `avx10.1`, `avx10.2`, `avx2`, `avx512bf16`, `avx512bitalg`, `avx512bw`, and `avx512cd` and 462 more
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `trusted_random_access`
[INFO] [stdout]    --> src/lib.rs:364:11
[INFO] [stdout]     |
[INFO] [stdout] 364 |     #[cfg(target_feature = "trusted_random_access")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `target_feature` are: `10e60`, `2e3`, `32s`, `3e3r1`, `3e3r2`, `3e3r3`, `3e7`, `7e10`, `a`, `aclass`, `addsubiw`, `adx`, `aes`, `allows-misaligned-mem-access`, `altivec`, `alu32`, `amx-avx512`, `amx-bf16`, `amx-complex`, `amx-fp16`, `amx-fp8`, `amx-int8`, `amx-movrs`, `amx-tf32`, `amx-tile`, `apxf`, `atomics`, `avx`, `avx10.1`, `avx10.2`, `avx2`, `avx512bf16`, `avx512bitalg`, `avx512bw`, and `avx512cd` and 462 more
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `exact_size_is_empty`
[INFO] [stdout]    --> src/lib.rs:384:11
[INFO] [stdout]     |
[INFO] [stdout] 384 |     #[cfg(target_feature = "exact_size_is_empty")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `target_feature` are: `10e60`, `2e3`, `32s`, `3e3r1`, `3e3r2`, `3e3r3`, `3e7`, `7e10`, `a`, `aclass`, `addsubiw`, `adx`, `aes`, `allows-misaligned-mem-access`, `altivec`, `alu32`, `amx-avx512`, `amx-bf16`, `amx-complex`, `amx-fp16`, `amx-fp8`, `amx-int8`, `amx-movrs`, `amx-tf32`, `amx-tile`, `apxf`, `atomics`, `avx`, `avx10.1`, `avx10.2`, `avx2`, `avx512bf16`, `avx512bitalg`, `avx512bw`, and `avx512cd` and 462 more
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `iter_advance_by`
[INFO] [stdout]    --> src/lib.rs:412:11
[INFO] [stdout]     |
[INFO] [stdout] 412 |     #[cfg(target_feature = "iter_advance_by")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `target_feature` are: `10e60`, `2e3`, `32s`, `3e3r1`, `3e3r2`, `3e3r3`, `3e7`, `7e10`, `a`, `aclass`, `addsubiw`, `adx`, `aes`, `allows-misaligned-mem-access`, `altivec`, `alu32`, `amx-avx512`, `amx-bf16`, `amx-complex`, `amx-fp16`, `amx-fp8`, `amx-int8`, `amx-movrs`, `amx-tf32`, `amx-tile`, `apxf`, `atomics`, `avx`, `avx10.1`, `avx10.2`, `avx2`, `avx512bf16`, `avx512bitalg`, `avx512bw`, and `avx512cd` and 462 more
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: expected `I` to be an iterator that yields `<impl Join<I> as IntoIterator>::Item`, but it yields `<I as Iterator>::Item`
[INFO] [stdout]    --> src/lib.rs:468:34
[INFO] [stdout]     |
[INFO] [stdout] 468 | pub fn join<I, S>(elements: impl Join<I>, sep: S) -> Joiner<I, S>
[INFO] [stdout]     |                                  ^^^^^^^ expected `std::iter::IntoIterator::Item`, found `std::iter::Iterator::Item`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected associated type `<impl Join<I> as IntoIterator>::Item`
[INFO] [stdout]                found associated type `<I as Iterator>::Item`
[INFO] [stdout]     = note: an associated type was expected, but a different one was found
[INFO] [stdout] note: required by a bound in `Join`
[INFO] [stdout]    --> src/lib.rs:199:1
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub trait Join<I: std::iter::Iterator>: std::iter::IntoIterator<IntoIter = I> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: expected `I` to be an iterator that yields `<impl Join<I> as IntoIterator>::Item`, but it yields `<I as Iterator>::Item`
[INFO] [stdout]    --> src/lib.rs:468:34
[INFO] [stdout]     |
[INFO] [stdout] 468 | pub fn join<I, S>(elements: impl Join<I>, sep: S) -> Joiner<I, S>
[INFO] [stdout]     |                                  ^^^^^^^ expected `std::iter::IntoIterator::Item`, found `std::iter::Iterator::Item`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected associated type `<impl Join<I> as IntoIterator>::Item`
[INFO] [stdout]                found associated type `<I as Iterator>::Item`
[INFO] [stdout]     = note: an associated type was expected, but a different one was found
[INFO] [stdout] note: required by a bound in `Join`
[INFO] [stdout]    --> src/lib.rs:199:1
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub trait Join<I: std::iter::Iterator>: std::iter::IntoIterator<IntoIter = I> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: expected `I` to be an iterator that yields `<impl Join<I> as IntoIterator>::Item`, but it yields `<I as Iterator>::Item`
[INFO] [stdout]    --> src/lib.rs:514:20
[INFO] [stdout]     |
[INFO] [stdout] 514 |     elements: impl Join<I>,
[INFO] [stdout]     |                    ^^^^^^^ expected `std::iter::IntoIterator::Item`, found `std::iter::Iterator::Item`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected associated type `<impl Join<I> as IntoIterator>::Item`
[INFO] [stdout]                found associated type `<I as Iterator>::Item`
[INFO] [stdout]     = note: an associated type was expected, but a different one was found
[INFO] [stdout] note: required by a bound in `Join`
[INFO] [stdout]    --> src/lib.rs:199:1
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub trait Join<I: std::iter::Iterator>: std::iter::IntoIterator<IntoIter = I> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: expected `I` to be an iterator that yields `<impl Join<I> as IntoIterator>::Item`, but it yields `<I as Iterator>::Item`
[INFO] [stdout]    --> src/lib.rs:514:20
[INFO] [stdout]     |
[INFO] [stdout] 514 |     elements: impl Join<I>,
[INFO] [stdout]     |                    ^^^^^^^ expected `std::iter::IntoIterator::Item`, found `std::iter::Iterator::Item`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected associated type `<impl Join<I> as IntoIterator>::Item`
[INFO] [stdout]                found associated type `<I as Iterator>::Item`
[INFO] [stdout]     = note: an associated type was expected, but a different one was found
[INFO] [stdout] note: required by a bound in `Join`
[INFO] [stdout]    --> src/lib.rs:199:1
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub trait Join<I: std::iter::Iterator>: std::iter::IntoIterator<IntoIter = I> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: expected `I` to be an iterator that yields `<impl Join<I> as IntoIterator>::Item`, but it yields `<I as Iterator>::Item`
[INFO] [stdout]    --> src/lib.rs:306:31
[INFO] [stdout]     |
[INFO] [stdout] 306 |     pub fn new(elements: impl Join<I>) -> Self {
[INFO] [stdout]     |                               ^^^^^^^ expected `std::iter::IntoIterator::Item`, found `std::iter::Iterator::Item`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected associated type `<impl Join<I> as IntoIterator>::Item`
[INFO] [stdout]                found associated type `<I as Iterator>::Item`
[INFO] [stdout]     = note: an associated type was expected, but a different one was found
[INFO] [stdout] note: required by a bound in `Join`
[INFO] [stdout]    --> src/lib.rs:199:1
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub trait Join<I: std::iter::Iterator>: std::iter::IntoIterator<IntoIter = I> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: expected `I` to be an iterator that yields `<impl Join<I> as IntoIterator>::Item`, but it yields `<I as Iterator>::Item`
[INFO] [stdout]    --> src/lib.rs:306:31
[INFO] [stdout]     |
[INFO] [stdout] 306 |     pub fn new(elements: impl Join<I>) -> Self {
[INFO] [stdout]     |                               ^^^^^^^ expected `std::iter::IntoIterator::Item`, found `std::iter::Iterator::Item`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected associated type `<impl Join<I> as IntoIterator>::Item`
[INFO] [stdout]                found associated type `<I as Iterator>::Item`
[INFO] [stdout]     = note: an associated type was expected, but a different one was found
[INFO] [stdout] note: required by a bound in `Join`
[INFO] [stdout]    --> src/lib.rs:199:1
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub trait Join<I: std::iter::Iterator>: std::iter::IntoIterator<IntoIter = I> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: expected `I` to be an iterator that yields `<impl Join<I> as IntoIterator>::Item`, but it yields `<I as Iterator>::Item`
[INFO] [stdout]    --> src/lib.rs:473:14
[INFO] [stdout]     |
[INFO] [stdout] 473 |     elements.join(sep)
[INFO] [stdout]     |              ^^^^ expected `std::iter::IntoIterator::Item`, found `std::iter::Iterator::Item`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected associated type `<impl Join<I> as IntoIterator>::Item`
[INFO] [stdout]                found associated type `<I as Iterator>::Item`
[INFO] [stdout]     = note: an associated type was expected, but a different one was found
[INFO] [stdout] note: required by a bound in `Join::join`
[INFO] [stdout]    --> src/lib.rs:205:5
[INFO] [stdout]     |
[INFO] [stdout] 205 | /     fn join<S>(self, sep: S) -> Joiner<I, S>
[INFO] [stdout] 206 | |     where
[INFO] [stdout] 207 | |         Self: Sized,
[INFO] [stdout] 208 | |         S: std::fmt::Display,
[INFO] [stdout]     | |_____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: expected `I` to be an iterator that yields `<impl Join<I> as IntoIterator>::Item`, but it yields `<I as Iterator>::Item`
[INFO] [stdout]    --> src/lib.rs:473:14
[INFO] [stdout]     |
[INFO] [stdout] 473 |     elements.join(sep)
[INFO] [stdout]     |              ^^^^ expected `std::iter::IntoIterator::Item`, found `std::iter::Iterator::Item`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected associated type `<impl Join<I> as IntoIterator>::Item`
[INFO] [stdout]                found associated type `<I as Iterator>::Item`
[INFO] [stdout]     = note: an associated type was expected, but a different one was found
[INFO] [stdout] note: required by a bound in `Join::join`
[INFO] [stdout]    --> src/lib.rs:205:5
[INFO] [stdout]     |
[INFO] [stdout] 205 | /     fn join<S>(self, sep: S) -> Joiner<I, S>
[INFO] [stdout] 206 | |     where
[INFO] [stdout] 207 | |         Self: Sized,
[INFO] [stdout] 208 | |         S: std::fmt::Display,
[INFO] [stdout]     | |_____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0271`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0271`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `join-string` (lib) due to 4 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `join-string` (lib test) due to 4 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "fc96e7f8cb669260a634f0f4dc0d4acbe8c9f35685606e5bc681a031cd7b71c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc96e7f8cb669260a634f0f4dc0d4acbe8c9f35685606e5bc681a031cd7b71c4", kill_on_drop: false }`
[INFO] [stdout] fc96e7f8cb669260a634f0f4dc0d4acbe8c9f35685606e5bc681a031cd7b71c4