[INFO] fetching crate utf8conv 0.1.0...
[INFO] testing utf8conv-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate utf8conv 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate utf8conv 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate utf8conv 0.1.0
[INFO] tweaked toml for crates.io crate utf8conv 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate utf8conv 0.1.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate utf8conv 0.1.0 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0968f807ecf4d0c9ad8eea009cb1c445320500b94a5011220ba473f673656bc
[INFO] running `Command { std: "docker" "start" "-a" "f0968f807ecf4d0c9ad8eea009cb1c445320500b94a5011220ba473f673656bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0968f807ecf4d0c9ad8eea009cb1c445320500b94a5011220ba473f673656bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0968f807ecf4d0c9ad8eea009cb1c445320500b94a5011220ba473f673656bc", kill_on_drop: false }`
[INFO] [stdout] f0968f807ecf4d0c9ad8eea009cb1c445320500b94a5011220ba473f673656bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2235a68c8940deeecab4c78ae74e761456e464ae47f3465e3dc85517e1e0982e
[INFO] running `Command { std: "docker" "start" "-a" "2235a68c8940deeecab4c78ae74e761456e464ae47f3465e3dc85517e1e0982e", kill_on_drop: false }`
[INFO] [stderr]    Compiling utf8conv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/utf8conv.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 | #[cfg_attr(nightly, warn(rustdoc::missing_doc_code_examples))]
[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/utf8conv.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 | #[cfg_attr(nightly, warn(rustdoc::missing_doc_code_examples))]
[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/utf8conv.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 88 | #[cfg_attr(nightly, warn(rustdoc::missing_doc_code_examples))]
[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: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]     --> src/utf8conv.rs:1226:8
[INFO] [stdout]      |
[INFO] [stdout] 1225 |     pub fn utf8_to_char_with_iter<'d>(&'d mut self, iter: &'d mut dyn Iterator<Item = u8>)
[INFO] [stdout]      |                                        --                  -- the lifetime is named here
[INFO] [stdout]      |                                        |
[INFO] [stdout]      |                                        the lifetime is named here
[INFO] [stdout] 1226 |     -> Utf8IterToCharIter {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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 `'d`
[INFO] [stdout]      |
[INFO] [stdout] 1226 |     -> Utf8IterToCharIter<'d> {
[INFO] [stdout]      |                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]     --> src/utf8conv.rs:1236:8
[INFO] [stdout]      |
[INFO] [stdout] 1235 |     pub fn utf8_ref_to_char_with_iter<'d>(&'d mut self, iter: &'d mut dyn Iterator<Item = &'d u8>)
[INFO] [stdout]      |                                            --                  --                          -- the lifetime is named here
[INFO] [stdout]      |                                            |                   |
[INFO] [stdout]      |                                            |                   the lifetime is named here
[INFO] [stdout]      |                                            the lifetime is named here
[INFO] [stdout] 1236 |     -> Utf8RefIterToCharIter {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'d`
[INFO] [stdout]      |
[INFO] [stdout] 1236 |     -> Utf8RefIterToCharIter<'d> {
[INFO] [stdout]      |                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]     --> src/utf8conv.rs:1389:8
[INFO] [stdout]      |
[INFO] [stdout] 1388 |     pub fn utf32_to_utf8_with_iter<'d>(&'d mut self, iter: &'d mut dyn Iterator<Item = u32>)
[INFO] [stdout]      |                                         --                  -- the lifetime is named here
[INFO] [stdout]      |                                         |
[INFO] [stdout]      |                                         the lifetime is named here
[INFO] [stdout] 1389 |     -> Utf32IterToUtf8Iter {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'d`
[INFO] [stdout]      |
[INFO] [stdout] 1389 |     -> Utf32IterToUtf8Iter<'d> {
[INFO] [stdout]      |                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]     --> src/utf8conv.rs:1399:8
[INFO] [stdout]      |
[INFO] [stdout] 1398 |     pub fn char_ref_to_utf8_with_iter<'d>(&'d mut self, iter: &'d mut dyn Iterator<Item = &'d char>)
[INFO] [stdout]      |                                            --                  --                          -- the lifetime is named here
[INFO] [stdout]      |                                            |                   |
[INFO] [stdout]      |                                            |                   the lifetime is named here
[INFO] [stdout]      |                                            the lifetime is named here
[INFO] [stdout] 1399 |     -> CharRefIterToUtf8Iter {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'d`
[INFO] [stdout]      |
[INFO] [stdout] 1399 |     -> CharRefIterToUtf8Iter<'d> {
[INFO] [stdout]      |                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "2235a68c8940deeecab4c78ae74e761456e464ae47f3465e3dc85517e1e0982e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2235a68c8940deeecab4c78ae74e761456e464ae47f3465e3dc85517e1e0982e", kill_on_drop: false }`
[INFO] [stdout] 2235a68c8940deeecab4c78ae74e761456e464ae47f3465e3dc85517e1e0982e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5d866596656481f11b8d3d709212b2ab1041f47d4f1e28fbbcc9b515815e14e
[INFO] running `Command { std: "docker" "start" "-a" "b5d866596656481f11b8d3d709212b2ab1041f47d4f1e28fbbcc9b515815e14e", kill_on_drop: false }`
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling stackfmt v0.1.2
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/utf8conv.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 | #[cfg_attr(nightly, warn(rustdoc::missing_doc_code_examples))]
[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/utf8conv.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 | #[cfg_attr(nightly, warn(rustdoc::missing_doc_code_examples))]
[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/utf8conv.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 88 | #[cfg_attr(nightly, warn(rustdoc::missing_doc_code_examples))]
[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: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]     --> src/utf8conv.rs:1226:8
[INFO] [stdout]      |
[INFO] [stdout] 1225 |     pub fn utf8_to_char_with_iter<'d>(&'d mut self, iter: &'d mut dyn Iterator<Item = u8>)
[INFO] [stdout]      |                                        --                  -- the lifetime is named here
[INFO] [stdout]      |                                        |
[INFO] [stdout]      |                                        the lifetime is named here
[INFO] [stdout] 1226 |     -> Utf8IterToCharIter {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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 `'d`
[INFO] [stdout]      |
[INFO] [stdout] 1226 |     -> Utf8IterToCharIter<'d> {
[INFO] [stdout]      |                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]     --> src/utf8conv.rs:1236:8
[INFO] [stdout]      |
[INFO] [stdout] 1235 |     pub fn utf8_ref_to_char_with_iter<'d>(&'d mut self, iter: &'d mut dyn Iterator<Item = &'d u8>)
[INFO] [stdout]      |                                            --                  --                          -- the lifetime is named here
[INFO] [stdout]      |                                            |                   |
[INFO] [stdout]      |                                            |                   the lifetime is named here
[INFO] [stdout]      |                                            the lifetime is named here
[INFO] [stdout] 1236 |     -> Utf8RefIterToCharIter {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'d`
[INFO] [stdout]      |
[INFO] [stdout] 1236 |     -> Utf8RefIterToCharIter<'d> {
[INFO] [stdout]      |                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]     --> src/utf8conv.rs:1389:8
[INFO] [stdout]      |
[INFO] [stdout] 1388 |     pub fn utf32_to_utf8_with_iter<'d>(&'d mut self, iter: &'d mut dyn Iterator<Item = u32>)
[INFO] [stdout]      |                                         --                  -- the lifetime is named here
[INFO] [stdout]      |                                         |
[INFO] [stdout]      |                                         the lifetime is named here
[INFO] [stdout] 1389 |     -> Utf32IterToUtf8Iter {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'d`
[INFO] [stdout]      |
[INFO] [stdout] 1389 |     -> Utf32IterToUtf8Iter<'d> {
[INFO] [stdout]      |                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]     --> src/utf8conv.rs:1399:8
[INFO] [stdout]      |
[INFO] [stdout] 1398 |     pub fn char_ref_to_utf8_with_iter<'d>(&'d mut self, iter: &'d mut dyn Iterator<Item = &'d char>)
[INFO] [stdout]      |                                            --                  --                          -- the lifetime is named here
[INFO] [stdout]      |                                            |                   |
[INFO] [stdout]      |                                            |                   the lifetime is named here
[INFO] [stdout]      |                                            the lifetime is named here
[INFO] [stdout] 1399 |     -> CharRefIterToUtf8Iter {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'d`
[INFO] [stdout]      |
[INFO] [stdout] 1399 |     -> CharRefIterToUtf8Iter<'d> {
[INFO] [stdout]      |                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling utf8conv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]   --> src/utf8conv.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 | #[cfg_attr(nightly, warn(rustdoc::missing_doc_code_examples))]
[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/utf8conv.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 | #[cfg_attr(nightly, warn(rustdoc::missing_doc_code_examples))]
[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/utf8conv.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 88 | #[cfg_attr(nightly, warn(rustdoc::missing_doc_code_examples))]
[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: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]     --> src/utf8conv.rs:1226:8
[INFO] [stdout]      |
[INFO] [stdout] 1225 |     pub fn utf8_to_char_with_iter<'d>(&'d mut self, iter: &'d mut dyn Iterator<Item = u8>)
[INFO] [stdout]      |                                        --                  -- the lifetime is named here
[INFO] [stdout]      |                                        |
[INFO] [stdout]      |                                        the lifetime is named here
[INFO] [stdout] 1226 |     -> Utf8IterToCharIter {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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 `'d`
[INFO] [stdout]      |
[INFO] [stdout] 1226 |     -> Utf8IterToCharIter<'d> {
[INFO] [stdout]      |                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]     --> src/utf8conv.rs:1236:8
[INFO] [stdout]      |
[INFO] [stdout] 1235 |     pub fn utf8_ref_to_char_with_iter<'d>(&'d mut self, iter: &'d mut dyn Iterator<Item = &'d u8>)
[INFO] [stdout]      |                                            --                  --                          -- the lifetime is named here
[INFO] [stdout]      |                                            |                   |
[INFO] [stdout]      |                                            |                   the lifetime is named here
[INFO] [stdout]      |                                            the lifetime is named here
[INFO] [stdout] 1236 |     -> Utf8RefIterToCharIter {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'d`
[INFO] [stdout]      |
[INFO] [stdout] 1236 |     -> Utf8RefIterToCharIter<'d> {
[INFO] [stdout]      |                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]     --> src/utf8conv.rs:1389:8
[INFO] [stdout]      |
[INFO] [stdout] 1388 |     pub fn utf32_to_utf8_with_iter<'d>(&'d mut self, iter: &'d mut dyn Iterator<Item = u32>)
[INFO] [stdout]      |                                         --                  -- the lifetime is named here
[INFO] [stdout]      |                                         |
[INFO] [stdout]      |                                         the lifetime is named here
[INFO] [stdout] 1389 |     -> Utf32IterToUtf8Iter {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'d`
[INFO] [stdout]      |
[INFO] [stdout] 1389 |     -> Utf32IterToUtf8Iter<'d> {
[INFO] [stdout]      |                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]     --> src/utf8conv.rs:1399:8
[INFO] [stdout]      |
[INFO] [stdout] 1398 |     pub fn char_ref_to_utf8_with_iter<'d>(&'d mut self, iter: &'d mut dyn Iterator<Item = &'d char>)
[INFO] [stdout]      |                                            --                  --                          -- the lifetime is named here
[INFO] [stdout]      |                                            |                   |
[INFO] [stdout]      |                                            |                   the lifetime is named here
[INFO] [stdout]      |                                            the lifetime is named here
[INFO] [stdout] 1399 |     -> CharRefIterToUtf8Iter {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'d`
[INFO] [stdout]      |
[INFO] [stdout] 1399 |     -> CharRefIterToUtf8Iter<'d> {
[INFO] [stdout]      |                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.10s
[INFO] running `Command { std: "docker" "inspect" "b5d866596656481f11b8d3d709212b2ab1041f47d4f1e28fbbcc9b515815e14e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5d866596656481f11b8d3d709212b2ab1041f47d4f1e28fbbcc9b515815e14e", kill_on_drop: false }`
[INFO] [stdout] b5d866596656481f11b8d3d709212b2ab1041f47d4f1e28fbbcc9b515815e14e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1418d5294f044cbcfb16e6de5719c04bc7cd813b695db4f29652f520c2a10ceb
[INFO] running `Command { std: "docker" "start" "-a" "1418d5294f044cbcfb16e6de5719c04bc7cd813b695db4f29652f520c2a10ceb", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]   --> src/utf8conv.rs:55:12
[INFO] [stderr]    |
[INFO] [stderr] 55 | #[cfg_attr(nightly, warn(rustdoc::missing_doc_code_examples))]
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]   --> src/utf8conv.rs:67:12
[INFO] [stderr]    |
[INFO] [stderr] 67 | #[cfg_attr(nightly, warn(rustdoc::missing_doc_code_examples))]
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stderr]   --> src/utf8conv.rs:88:12
[INFO] [stderr]    |
[INFO] [stderr] 88 | #[cfg_attr(nightly, warn(rustdoc::missing_doc_code_examples))]
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]     --> src/utf8conv.rs:1226:8
[INFO] [stderr]      |
[INFO] [stderr] 1225 |     pub fn utf8_to_char_with_iter<'d>(&'d mut self, iter: &'d mut dyn Iterator<Item = u8>)
[INFO] [stderr]      |                                        --                  -- the lifetime is named here
[INFO] [stderr]      |                                        |
[INFO] [stderr]      |                                        the lifetime is named here
[INFO] [stderr] 1226 |     -> Utf8IterToCharIter {
[INFO] [stderr]      |        ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]      |
[INFO] [stderr]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]      = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: consistently use `'d`
[INFO] [stderr]      |
[INFO] [stderr] 1226 |     -> Utf8IterToCharIter<'d> {
[INFO] [stderr]      |                          ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]     --> src/utf8conv.rs:1236:8
[INFO] [stderr]      |
[INFO] [stderr] 1235 |     pub fn utf8_ref_to_char_with_iter<'d>(&'d mut self, iter: &'d mut dyn Iterator<Item = &'d u8>)
[INFO] [stderr]      |                                            --                  --                          -- the lifetime is named here
[INFO] [stderr]      |                                            |                   |
[INFO] [stderr]      |                                            |                   the lifetime is named here
[INFO] [stderr]      |                                            the lifetime is named here
[INFO] [stderr] 1236 |     -> Utf8RefIterToCharIter {
[INFO] [stderr]      |        ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]      |
[INFO] [stderr]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'d`
[INFO] [stderr]      |
[INFO] [stderr] 1236 |     -> Utf8RefIterToCharIter<'d> {
[INFO] [stderr]      |                             ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]     --> src/utf8conv.rs:1389:8
[INFO] [stderr]      |
[INFO] [stderr] 1388 |     pub fn utf32_to_utf8_with_iter<'d>(&'d mut self, iter: &'d mut dyn Iterator<Item = u32>)
[INFO] [stderr]      |                                         --                  -- the lifetime is named here
[INFO] [stderr]      |                                         |
[INFO] [stderr]      |                                         the lifetime is named here
[INFO] [stderr] 1389 |     -> Utf32IterToUtf8Iter {
[INFO] [stderr]      |        ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]      |
[INFO] [stderr]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'d`
[INFO] [stderr]      |
[INFO] [stderr] 1389 |     -> Utf32IterToUtf8Iter<'d> {
[INFO] [stderr]      |                           ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]     --> src/utf8conv.rs:1399:8
[INFO] [stderr]      |
[INFO] [stderr] 1398 |     pub fn char_ref_to_utf8_with_iter<'d>(&'d mut self, iter: &'d mut dyn Iterator<Item = &'d char>)
[INFO] [stderr]      |                                            --                  --                          -- the lifetime is named here
[INFO] [stderr]      |                                            |                   |
[INFO] [stderr]      |                                            |                   the lifetime is named here
[INFO] [stderr]      |                                            the lifetime is named here
[INFO] [stderr] 1399 |     -> CharRefIterToUtf8Iter {
[INFO] [stderr]      |        ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]      |
[INFO] [stderr]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'d`
[INFO] [stderr]      |
[INFO] [stderr] 1399 |     -> CharRefIterToUtf8Iter<'d> {
[INFO] [stderr]      |                             ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `utf8conv` (lib) generated 7 warnings (run `cargo fix --lib -p utf8conv` to apply 4 suggestions)
[INFO] [stderr] warning: `utf8conv` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/utf8conv-ede856b432f9cd68)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test utf8conv::buf::tests::test_eightbytes_random ... ok
[INFO] [stdout] test utf8conv::buf::tests::test_eightbytes_add_del ... ok
[INFO] [stdout] test utf8conv::buf::tests::test_ringbuffer_aaa ... ok
[INFO] [stdout] test utf8conv::tests::test_filter_bom_and_cr ... ok
[INFO] [stdout] test utf8conv::tests::test_round_trip_parsing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.17s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/iterator_roundtrip.rs (/opt/rustwide/target/debug/deps/iterator_roundtrip-395d6f8cdeb4d1dd)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/self_iterator.rs (/opt/rustwide/target/debug/deps/self_iterator-b26b65c98aa1cb28)
[INFO] [stdout] test test_round_trip_iter ... ok
[INFO] [stderr]      Running tests/test_conv_random.rs (/opt/rustwide/target/debug/deps/test_conv_random-88685a5fa4067789)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.52s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test self_iterator_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_utf8parsing_aaa ... ok
[INFO] [stdout] test test_utf8_monkey1 ... ok
[INFO] [stdout] test test_utf8_monkey3 ... ok
[INFO] [stdout] test test_utf8_monkey2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 12.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_ring_buffer.rs (/opt/rustwide/target/debug/deps/test_ring_buffer-83c876a1c9593487)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_ringbuffer_misc ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests utf8conv
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 29) ... ok
[INFO] [stdout] test src/lib.rs - (line 59) ... ok
[INFO] [stdout] test src/lib.rs - (line 95) ... ok
[INFO] [stdout] test src/lib.rs - (line 141) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.49s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1418d5294f044cbcfb16e6de5719c04bc7cd813b695db4f29652f520c2a10ceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1418d5294f044cbcfb16e6de5719c04bc7cd813b695db4f29652f520c2a10ceb", kill_on_drop: false }`
[INFO] [stdout] 1418d5294f044cbcfb16e6de5719c04bc7cd813b695db4f29652f520c2a10ceb