[INFO] fetching crate amadeus-core 0.4.3...
[INFO] checking amadeus-core-0.4.3 against master#c9af9c1dc85a55e309345030ff9cb7ea247953fa for pr-151146-1
[INFO] extracting crate amadeus-core 0.4.3 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate amadeus-core 0.4.3
[INFO] finished tweaking crates.io crate amadeus-core 0.4.3
[INFO] tweaked toml for crates.io crate amadeus-core 0.4.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate amadeus-core 0.4.3 on toolchain c9af9c1dc85a55e309345030ff9cb7ea247953fa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 81 packages to latest compatible versions
[INFO] [stderr]       Adding derive-new v0.5.9 (available: v0.7.0)
[INFO] [stderr]       Adding educe v0.4.23 (available: v0.6.0)
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.13.0)
[INFO] [stderr]       Adding itertools v0.9.0 (available: v0.14.0)
[INFO] [stderr]       Adding multimap v0.8.3 (available: v0.10.1)
[INFO] [stderr]       Adding pin-project v0.4.30 (available: v1.1.10)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.9.2)
[INFO] [stderr]       Adding tokio v0.2.25 (available: v1.49.0)
[INFO] [stderr]       Adding widestring v0.4.3 (available: v1.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.108
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.108
[INFO] [stderr]   Downloaded derive-new v0.5.9
[INFO] [stderr]   Downloaded delegate-attr v0.2.9
[INFO] [stderr]   Downloaded serde_closure_derive v0.3.3
[INFO] [stderr]   Downloaded owned_chars v0.3.2
[INFO] [stderr]   Downloaded pin-project-internal v0.4.30
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.108
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.108
[INFO] [stderr]   Downloaded amadeus-streaming v0.4.3
[INFO] [stderr]   Downloaded itertools v0.9.0
[INFO] [stderr]   Downloaded pin-project v0.4.30
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.36
[INFO] [stderr]   Downloaded js-sys v0.3.85
[INFO] [stderr]   Downloaded pin-project-lite v0.1.12
[INFO] [stderr]   Downloaded widestring v0.4.3
[INFO] [stderr]   Downloaded serde_closure v0.3.3
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.58
[INFO] [stderr]   Downloaded sum v0.1.7
[INFO] [stderr]   Downloaded replace_with v0.1.8
[INFO] [stderr]   Downloaded zerocopy v0.8.36
[INFO] [stderr]   Downloaded tokio v0.2.25
[INFO] [stderr]   Downloaded web-sys v0.3.85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e03ee6d06389eaf736725d14803ffde2911c71de5303c49bdfe195c9268b1759
[INFO] running `Command { std: "docker" "start" "-a" "e03ee6d06389eaf736725d14803ffde2911c71de5303c49bdfe195c9268b1759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e03ee6d06389eaf736725d14803ffde2911c71de5303c49bdfe195c9268b1759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e03ee6d06389eaf736725d14803ffde2911c71de5303c49bdfe195c9268b1759", kill_on_drop: false }`
[INFO] [stdout] e03ee6d06389eaf736725d14803ffde2911c71de5303c49bdfe195c9268b1759
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a20b7be99892decca2a8d575f891d34d70d95bb28414a21e504ae15cd22586f
[INFO] running `Command { std: "docker" "start" "-a" "4a20b7be99892decca2a8d575f891d34d70d95bb28414a21e504ae15cd22586f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling zerocopy v0.8.36
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking slab v0.4.11
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling serde_closure v0.3.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.30
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling amadeus-streaming v0.4.3
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling amadeus-core v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking widestring v0.4.3
[INFO] [stderr]     Checking replace_with v0.1.8
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling enum-ordinalize v3.1.15
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling serde_closure_derive v0.3.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling delegate-attr v0.2.9
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]     Checking owned_chars v0.3.2
[INFO] [stderr]    Compiling educe v0.4.23
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking pin-project v0.4.30
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking multimap v0.8.3
[INFO] [stderr]     Checking sum v0.1.7
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/lib.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![cfg_attr(nightly, feature(unboxed_closures))]
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[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 name: `nightly`
[INFO] [stdout]   --> src/par_sink/sample.rs:89:16
[INFO] [stdout]    |
[INFO] [stdout] 89 | #[cfg_attr(not(nightly), serde_closure::desugar)]
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[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 name: `nightly`
[INFO] [stdout]   --> src/par_stream/identity.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |     #[cfg_attr(not(nightly), serde_closure::desugar)]
[INFO] [stdout]    |                    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[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 name: `nightly`
[INFO] [stdout]   --> src/pool.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[cfg_attr(not(nightly), serde_closure::desugar)]
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[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 name: `nightly`
[INFO] [stdout]   --> src/pool.rs:68:16
[INFO] [stdout]    |
[INFO] [stdout] 68 | #[cfg_attr(not(nightly), serde_closure::desugar)]
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[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 name: `nightly`
[INFO] [stdout]    --> src/par_pipe.rs:365:141
[INFO] [stdout]     |
[INFO] [stdout] 365 | ...ssert_distributed_pipe assert_distributed_sink cfg_attr(not(nightly), serde_closure::desugar));
[INFO] [stdout]     |                                                                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[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 name: `nightly`
[INFO] [stdout]   --> src/par_sink/sample.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |     #[cfg_attr(not(nightly), serde_closure::desugar)]
[INFO] [stdout]    |                    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[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 name: `nightly`
[INFO] [stdout]    --> src/par_stream.rs:579:201
[INFO] [stdout]     |
[INFO] [stdout] 579 | ...l ProcessSend traits assert_distributed_stream cfg_attr(not(nightly), serde_closure::desugar) {
[INFO] [stdout]     |                                                                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[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: ambiguous glob re-exports
[INFO] [stdout]   --> src/par_sink.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |   pub use self::{
[INFO] [stdout]    |  _________^
[INFO] [stdout] 25 | |     all::*, any::*, collect::*, combine::*, combiner::*, count::*, fold::*, folder::*, for_each::*, fork::*, group_by::*, histogram::*, max::*, mean::*, pipe::*, sample::*, stddev::*, s...
[INFO] [stdout]    | |                                                                                                                                                                              --------- but the name `StepA` in the type namespace is also re-exported here
[INFO] [stdout] 26 | | };
[INFO] [stdout]    | |_^ the name `StepA` in the type namespace is first re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/par_sink.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |   pub use self::{
[INFO] [stdout]    |  _________^
[INFO] [stdout] 25 | |     all::*, any::*, collect::*, combine::*, combiner::*, count::*, fold::*, folder::*, for_each::*, fork::*, group_by::*, histogram::*, max::*, mean::*, pipe::*, sample::*, stddev::*, s...
[INFO] [stdout]    | |                                                                                                                                                                              --------- but the name `StepA` in the value namespace is also re-exported here
[INFO] [stdout] 26 | | };
[INFO] [stdout]    | |_^ the name `StepA` in the value namespace is first re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/par_sink.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |   pub use self::{
[INFO] [stdout]    |  _________^
[INFO] [stdout] 25 | |     all::*, any::*, collect::*, combine::*, combiner::*, count::*, fold::*, folder::*, for_each::*, fork::*, group_by::*, histogram::*, max::*, mean::*, pipe::*, sample::*, stddev::*, s...
[INFO] [stdout]    | |                                                                                                                                                                              --------- but the name `StepB` in the type namespace is also re-exported here
[INFO] [stdout] 26 | | };
[INFO] [stdout]    | |_^ the name `StepB` in the type namespace is first re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/par_sink.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |   pub use self::{
[INFO] [stdout]    |  _________^
[INFO] [stdout] 25 | |     all::*, any::*, collect::*, combine::*, combiner::*, count::*, fold::*, folder::*, for_each::*, fork::*, group_by::*, histogram::*, max::*, mean::*, pipe::*, sample::*, stddev::*, s...
[INFO] [stdout]    | |                                                                                                                                                                              --------- but the name `StepB` in the value namespace is also re-exported here
[INFO] [stdout] 26 | | };
[INFO] [stdout]    | |_^ the name `StepB` in the value namespace is first re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/par_sink.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |   pub use self::{
[INFO] [stdout]    |  _________^
[INFO] [stdout] 25 | |     all::*, any::*, collect::*, combine::*, combiner::*, count::*, fold::*, folder::*, for_each::*, fork::*, group_by::*, histogram::*, max::*, mean::*, pipe::*, s...
[INFO] [stdout]    | |                                                                                                                                                          ------- but the name `JoinTask` in the type namespace is also re-exported here
[INFO] [stdout] 26 | | };
[INFO] [stdout]    | |_^ the name `JoinTask` in the type namespace is first re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/util.rs:180:4
[INFO] [stdout]     |
[INFO] [stdout] 180 |         (mem::size_of::<A>(), mem::align_of::<A>()),
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:18:2
[INFO] [stdout]     |
[INFO] [stdout]  18 |     unused_qualifications,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 180 -         (mem::size_of::<A>(), mem::align_of::<A>()),
[INFO] [stdout] 180 +         (size_of::<A>(), mem::align_of::<A>()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/util.rs:180:25
[INFO] [stdout]     |
[INFO] [stdout] 180 |         (mem::size_of::<A>(), mem::align_of::<A>()),
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 180 -         (mem::size_of::<A>(), mem::align_of::<A>()),
[INFO] [stdout] 180 +         (mem::size_of::<A>(), align_of::<A>()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/util.rs:181:4
[INFO] [stdout]     |
[INFO] [stdout] 181 |         (mem::size_of::<B>(), mem::align_of::<B>())
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 181 -         (mem::size_of::<B>(), mem::align_of::<B>())
[INFO] [stdout] 181 +         (size_of::<B>(), mem::align_of::<B>())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/util.rs:181:25
[INFO] [stdout]     |
[INFO] [stdout] 181 |         (mem::size_of::<B>(), mem::align_of::<B>())
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 181 -         (mem::size_of::<B>(), mem::align_of::<B>())
[INFO] [stdout] 181 +         (mem::size_of::<B>(), align_of::<B>())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/lib.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![cfg_attr(nightly, feature(unboxed_closures))]
[INFO] [stdout]    |             ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[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 name: `nightly`
[INFO] [stdout]   --> src/par_sink/sample.rs:89:16
[INFO] [stdout]    |
[INFO] [stdout] 89 | #[cfg_attr(not(nightly), serde_closure::desugar)]
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[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 name: `nightly`
[INFO] [stdout]   --> src/par_stream/identity.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |     #[cfg_attr(not(nightly), serde_closure::desugar)]
[INFO] [stdout]    |                    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[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 name: `nightly`
[INFO] [stdout]   --> src/pool.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[cfg_attr(not(nightly), serde_closure::desugar)]
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[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 name: `nightly`
[INFO] [stdout]   --> src/pool.rs:68:16
[INFO] [stdout]    |
[INFO] [stdout] 68 | #[cfg_attr(not(nightly), serde_closure::desugar)]
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[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 name: `nightly`
[INFO] [stdout]    --> src/par_pipe.rs:365:141
[INFO] [stdout]     |
[INFO] [stdout] 365 | ...ssert_distributed_pipe assert_distributed_sink cfg_attr(not(nightly), serde_closure::desugar));
[INFO] [stdout]     |                                                                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[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 name: `nightly`
[INFO] [stdout]   --> src/par_sink/sample.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |     #[cfg_attr(not(nightly), serde_closure::desugar)]
[INFO] [stdout]    |                    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[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 name: `nightly`
[INFO] [stdout]    --> src/par_stream.rs:579:201
[INFO] [stdout]     |
[INFO] [stdout] 579 | ...l ProcessSend traits assert_distributed_stream cfg_attr(not(nightly), serde_closure::desugar) {
[INFO] [stdout]     |                                                                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[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: ambiguous glob re-exports
[INFO] [stdout]   --> src/par_sink.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |   pub use self::{
[INFO] [stdout]    |  _________^
[INFO] [stdout] 25 | |     all::*, any::*, collect::*, combine::*, combiner::*, count::*, fold::*, folder::*, for_each::*, fork::*, group_by::*, histogram::*, max::*, mean::*, pipe::*, sample::*, stddev::*, s...
[INFO] [stdout]    | |                                                                                                                                                                              --------- but the name `StepA` in the type namespace is also re-exported here
[INFO] [stdout] 26 | | };
[INFO] [stdout]    | |_^ the name `StepA` in the type namespace is first re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/par_sink.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |   pub use self::{
[INFO] [stdout]    |  _________^
[INFO] [stdout] 25 | |     all::*, any::*, collect::*, combine::*, combiner::*, count::*, fold::*, folder::*, for_each::*, fork::*, group_by::*, histogram::*, max::*, mean::*, pipe::*, sample::*, stddev::*, s...
[INFO] [stdout]    | |                                                                                                                                                                              --------- but the name `StepA` in the value namespace is also re-exported here
[INFO] [stdout] 26 | | };
[INFO] [stdout]    | |_^ the name `StepA` in the value namespace is first re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/par_sink.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |   pub use self::{
[INFO] [stdout]    |  _________^
[INFO] [stdout] 25 | |     all::*, any::*, collect::*, combine::*, combiner::*, count::*, fold::*, folder::*, for_each::*, fork::*, group_by::*, histogram::*, max::*, mean::*, pipe::*, sample::*, stddev::*, s...
[INFO] [stdout]    | |                                                                                                                                                                              --------- but the name `StepB` in the type namespace is also re-exported here
[INFO] [stdout] 26 | | };
[INFO] [stdout]    | |_^ the name `StepB` in the type namespace is first re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/par_sink.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |   pub use self::{
[INFO] [stdout]    |  _________^
[INFO] [stdout] 25 | |     all::*, any::*, collect::*, combine::*, combiner::*, count::*, fold::*, folder::*, for_each::*, fork::*, group_by::*, histogram::*, max::*, mean::*, pipe::*, sample::*, stddev::*, s...
[INFO] [stdout]    | |                                                                                                                                                                              --------- but the name `StepB` in the value namespace is also re-exported here
[INFO] [stdout] 26 | | };
[INFO] [stdout]    | |_^ the name `StepB` in the value namespace is first re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> src/par_sink.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |   pub use self::{
[INFO] [stdout]    |  _________^
[INFO] [stdout] 25 | |     all::*, any::*, collect::*, combine::*, combiner::*, count::*, fold::*, folder::*, for_each::*, fork::*, group_by::*, histogram::*, max::*, mean::*, pipe::*, s...
[INFO] [stdout]    | |                                                                                                                                                          ------- but the name `JoinTask` in the type namespace is also re-exported here
[INFO] [stdout] 26 | | };
[INFO] [stdout]    | |_^ the name `JoinTask` in the type namespace is first re-exported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/util.rs:180:4
[INFO] [stdout]     |
[INFO] [stdout] 180 |         (mem::size_of::<A>(), mem::align_of::<A>()),
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:18:2
[INFO] [stdout]     |
[INFO] [stdout]  18 |     unused_qualifications,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 180 -         (mem::size_of::<A>(), mem::align_of::<A>()),
[INFO] [stdout] 180 +         (size_of::<A>(), mem::align_of::<A>()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/util.rs:180:25
[INFO] [stdout]     |
[INFO] [stdout] 180 |         (mem::size_of::<A>(), mem::align_of::<A>()),
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 180 -         (mem::size_of::<A>(), mem::align_of::<A>()),
[INFO] [stdout] 180 +         (mem::size_of::<A>(), align_of::<A>()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/util.rs:181:4
[INFO] [stdout]     |
[INFO] [stdout] 181 |         (mem::size_of::<B>(), mem::align_of::<B>())
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 181 -         (mem::size_of::<B>(), mem::align_of::<B>())
[INFO] [stdout] 181 +         (size_of::<B>(), mem::align_of::<B>())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/util.rs:181:25
[INFO] [stdout]     |
[INFO] [stdout] 181 |         (mem::size_of::<B>(), mem::align_of::<B>())
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 181 -         (mem::size_of::<B>(), mem::align_of::<B>())
[INFO] [stdout] 181 +         (mem::size_of::<B>(), align_of::<B>())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this item cannot be used as its where bounds are not satisfied for the `Self` type
[INFO] [stdout]   --> src/into_par_stream/slice.rs:20:3
[INFO] [stdout]    |
[INFO] [stdout] 20 | /         fn into_par_stream(self) -> Self::ParStream
[INFO] [stdout] 21 | |         where
[INFO] [stdout] 22 | |             Self: Sized,
[INFO] [stdout]    | |________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this item cannot be used as its where bounds are not satisfied for the `Self` type
[INFO] [stdout]   --> src/lib.rs:88:133
[INFO] [stdout]    |
[INFO] [stdout] 88 |   ...=> (__rename!{@munch [$d ($d done)* { __rename!{$d ($d head)*} }] $d ($d body)*});
[INFO] [stdout]    |                                                                     ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/into_par_stream/slice.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / impl_par_dist_rename! {
[INFO] [stdout] 13 | |     impl<T> IntoParallelStream for [T]
[INFO] [stdout] 14 | |     where
[INFO] [stdout] 15 | |         T: Send + 'static,
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__rename` which comes from the expansion of the macro `impl_par_dist_rename` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this item cannot be used as its where bounds are not satisfied for the `Self` type
[INFO] [stdout]   --> src/into_par_stream/slice.rs:20:3
[INFO] [stdout]    |
[INFO] [stdout] 20 | /         fn into_par_stream(self) -> Self::ParStream
[INFO] [stdout] 21 | |         where
[INFO] [stdout] 22 | |             Self: Sized,
[INFO] [stdout]    | |________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this item cannot be used as its where bounds are not satisfied for the `Self` type
[INFO] [stdout]   --> src/lib.rs:88:133
[INFO] [stdout]    |
[INFO] [stdout] 88 |   ...=> (__rename!{@munch [$d ($d done)* { __rename!{$d ($d head)*} }] $d ($d body)*});
[INFO] [stdout]    |                                                                     ^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/into_par_stream/slice.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / impl_par_dist_rename! {
[INFO] [stdout] 13 | |     impl<T> IntoParallelStream for [T]
[INFO] [stdout] 14 | |     where
[INFO] [stdout] 15 | |         T: Send + 'static,
[INFO] [stdout] ...  |
[INFO] [stdout] 55 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__rename` which comes from the expansion of the macro `impl_par_dist_rename` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/into_par_stream/collections.rs:289:23
[INFO] [stdout]     |
[INFO] [stdout] 289 |             IterParStream(self.into_chars())
[INFO] [stdout]     |                                ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `into_chars(...)` to keep using the current method
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] help: add `#![feature(string_into_chars)]` to the crate attributes to enable `std::string::String::into_chars`
[INFO] [stdout]    --> src/lib.rs:43:1
[INFO] [stdout]     |
[INFO] [stdout]  43 + #![feature(string_into_chars)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/into_par_stream/collections.rs:289:23
[INFO] [stdout]     |
[INFO] [stdout] 289 |             IterParStream(self.into_chars())
[INFO] [stdout]     |                                ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `into_chars(...)` to keep using the current method
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] help: add `#![feature(string_into_chars)]` to the crate attributes to enable `std::string::String::into_chars`
[INFO] [stdout]    --> src/lib.rs:43:1
[INFO] [stdout]     |
[INFO] [stdout]  43 + #![feature(string_into_chars)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/file.rs:160:52
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn iter<'a>(&'a self) -> impl Iterator<Item = &OsString> + 'a {
[INFO] [stdout]     |                      --                               ^^^^^^^^^    -- the same lifetime is named here
[INFO] [stdout]     |                      |                                |
[INFO] [stdout]     |                      the lifetime is named here       the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn iter<'a>(&'a self) -> impl Iterator<Item = &'a OsString> + 'a {
[INFO] [stdout]     |                                                        ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/file.rs:160:52
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn iter<'a>(&'a self) -> impl Iterator<Item = &OsString> + 'a {
[INFO] [stdout]     |                      --                               ^^^^^^^^^    -- the same lifetime is named here
[INFO] [stdout]     |                      |                                |
[INFO] [stdout]     |                      the lifetime is named here       the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn iter<'a>(&'a self) -> impl Iterator<Item = &'a OsString> + 'a {
[INFO] [stdout]     |                                                        ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 55.75s
[INFO] running `Command { std: "docker" "inspect" "4a20b7be99892decca2a8d575f891d34d70d95bb28414a21e504ae15cd22586f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a20b7be99892decca2a8d575f891d34d70d95bb28414a21e504ae15cd22586f", kill_on_drop: false }`
[INFO] [stdout] 4a20b7be99892decca2a8d575f891d34d70d95bb28414a21e504ae15cd22586f
