[INFO] fetching crate t4_idl_parser 0.1.1...
[INFO] testing t4_idl_parser-0.1.1 against 1.95.0 for beta-1.96-2
[INFO] extracting crate t4_idl_parser 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate t4_idl_parser 0.1.1
[INFO] finished tweaking crates.io crate t4_idl_parser 0.1.1
[INFO] tweaked toml for crates.io crate t4_idl_parser 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate t4_idl_parser 0.1.1 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] [stderr]       Adding nom v7.1.3 (available: v8.0.0)
[INFO] [stderr]       Adding nom-greedyerror v0.4.0 (available: v0.5.0)
[INFO] [stderr]       Adding nom_locate v4.2.0 (available: v5.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nom_locate v1.0.0
[INFO] [stderr]   Downloaded nom_locate v2.1.0
[INFO] [stderr]   Downloaded nom-greedyerror v0.4.0
[INFO] [stderr]   Downloaded bytecount v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90e802e01becaa0dad7ef13bcc96c2b871180b53830b37d2506369f4b898807c
[INFO] running `Command { std: "docker" "start" "-a" "90e802e01becaa0dad7ef13bcc96c2b871180b53830b37d2506369f4b898807c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90e802e01becaa0dad7ef13bcc96c2b871180b53830b37d2506369f4b898807c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90e802e01becaa0dad7ef13bcc96c2b871180b53830b37d2506369f4b898807c", kill_on_drop: false }`
[INFO] [stdout] 90e802e01becaa0dad7ef13bcc96c2b871180b53830b37d2506369f4b898807c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a44c4604a0ce9d6a107c62907fcf064718ad04173daff0489c0ec12125156bc5
[INFO] running `Command { std: "docker" "start" "-a" "a44c4604a0ce9d6a107c62907fcf064718ad04173daff0489c0ec12125156bc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling bytecount v0.6.9
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling bytecount v0.3.2
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling nom_locate v4.2.0
[INFO] [stderr]    Compiling nom_locate v1.0.0
[INFO] [stderr]    Compiling nom_locate v2.1.0
[INFO] [stderr]    Compiling nom-greedyerror v0.4.0
[INFO] [stderr]    Compiling t4_idl_parser v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/parser/components.rs:408:16
[INFO] [stdout]     |
[INFO] [stdout] 408 |     match head.as_str() {
[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 `as_str(...)` to keep using the current method
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn do_parse(input: &str) -> PResult<Vec<AnnotationAndDef>> {
[INFO] [stdout]    |                        ^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the 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: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn do_parse(input: &str) -> PResult<'_, Vec<AnnotationAndDef>> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/parser/core.rs:39:63
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn lparen<'a>(lparen: &'a str) -> impl FnMut(Span<'a>) -> PResult<((), Span, ())> {
[INFO] [stdout]    |                            --                         --      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                            |                          |       |            |
[INFO] [stdout]    |                            |                          |       |            the same lifetime is hidden here
[INFO] [stdout]    |                            |                          |       the same lifetime is hidden here
[INFO] [stdout]    |                            |                          the same lifetime is named here
[INFO] [stdout]    |                            the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn lparen<'a>(lparen: &'a str) -> impl FnMut(Span<'a>) -> PResult<'a, ((), Span<'a>, ())> {
[INFO] [stdout]    |                                                                       +++          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/parser/core.rs:47:63
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn rparen<'a>(rparen: &'a str) -> impl FnMut(Span<'a>) -> PResult<((), Span)> {
[INFO] [stdout]    |                            --                         --      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                            |                          |       |            |
[INFO] [stdout]    |                            |                          |       |            the same lifetime is hidden here
[INFO] [stdout]    |                            |                          |       the same lifetime is hidden here
[INFO] [stdout]    |                            |                          the same lifetime is named here
[INFO] [stdout]    |                            the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn rparen<'a>(rparen: &'a str) -> impl FnMut(Span<'a>) -> PResult<'a, ((), Span<'a>)> {
[INFO] [stdout]    |                                                                       +++          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/parser/core.rs:51:61
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn delimiter<'a>(d: &'a str) -> impl FnMut(Span<'a>) -> PResult<((), Span, ())> {
[INFO] [stdout]    |                          --                         --      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                          |                          |       |            |
[INFO] [stdout]    |                          |                          |       |            the same lifetime is hidden here
[INFO] [stdout]    |                          |                          |       the same lifetime is hidden here
[INFO] [stdout]    |                          |                          the same lifetime is named here
[INFO] [stdout]    |                          the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn delimiter<'a>(d: &'a str) -> impl FnMut(Span<'a>) -> PResult<'a, ((), Span<'a>, ())> {
[INFO] [stdout]    |                                                                     +++          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.14s
[INFO] running `Command { std: "docker" "inspect" "a44c4604a0ce9d6a107c62907fcf064718ad04173daff0489c0ec12125156bc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a44c4604a0ce9d6a107c62907fcf064718ad04173daff0489c0ec12125156bc5", kill_on_drop: false }`
[INFO] [stdout] a44c4604a0ce9d6a107c62907fcf064718ad04173daff0489c0ec12125156bc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee14793f21525d906bac0751925fcb683a47ee655d785bd76593fb7784be3773
[INFO] running `Command { std: "docker" "start" "-a" "ee14793f21525d906bac0751925fcb683a47ee655d785bd76593fb7784be3773", kill_on_drop: false }`
[INFO] [stderr]    Compiling t4_idl_parser v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/parser/components.rs:408:16
[INFO] [stdout]     |
[INFO] [stdout] 408 |     match head.as_str() {
[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 `as_str(...)` to keep using the current method
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn do_parse(input: &str) -> PResult<Vec<AnnotationAndDef>> {
[INFO] [stdout]    |                        ^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the 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: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn do_parse(input: &str) -> PResult<'_, Vec<AnnotationAndDef>> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/parser/core.rs:39:63
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn lparen<'a>(lparen: &'a str) -> impl FnMut(Span<'a>) -> PResult<((), Span, ())> {
[INFO] [stdout]    |                            --                         --      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                            |                          |       |            |
[INFO] [stdout]    |                            |                          |       |            the same lifetime is hidden here
[INFO] [stdout]    |                            |                          |       the same lifetime is hidden here
[INFO] [stdout]    |                            |                          the same lifetime is named here
[INFO] [stdout]    |                            the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn lparen<'a>(lparen: &'a str) -> impl FnMut(Span<'a>) -> PResult<'a, ((), Span<'a>, ())> {
[INFO] [stdout]    |                                                                       +++          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/parser/core.rs:47:63
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn rparen<'a>(rparen: &'a str) -> impl FnMut(Span<'a>) -> PResult<((), Span)> {
[INFO] [stdout]    |                            --                         --      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                            |                          |       |            |
[INFO] [stdout]    |                            |                          |       |            the same lifetime is hidden here
[INFO] [stdout]    |                            |                          |       the same lifetime is hidden here
[INFO] [stdout]    |                            |                          the same lifetime is named here
[INFO] [stdout]    |                            the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn rparen<'a>(rparen: &'a str) -> impl FnMut(Span<'a>) -> PResult<'a, ((), Span<'a>)> {
[INFO] [stdout]    |                                                                       +++          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/parser/core.rs:51:61
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn delimiter<'a>(d: &'a str) -> impl FnMut(Span<'a>) -> PResult<((), Span, ())> {
[INFO] [stdout]    |                          --                         --      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                          |                          |       |            |
[INFO] [stdout]    |                          |                          |       |            the same lifetime is hidden here
[INFO] [stdout]    |                          |                          |       the same lifetime is hidden here
[INFO] [stdout]    |                          |                          the same lifetime is named here
[INFO] [stdout]    |                          the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn delimiter<'a>(d: &'a str) -> impl FnMut(Span<'a>) -> PResult<'a, ((), Span<'a>, ())> {
[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/parser/components.rs:408:16
[INFO] [stdout]     |
[INFO] [stdout] 408 |     match head.as_str() {
[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 `as_str(...)` to keep using the current method
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser.rs:23:24
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn do_parse(input: &str) -> PResult<Vec<AnnotationAndDef>> {
[INFO] [stdout]    |                        ^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the 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: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn do_parse(input: &str) -> PResult<'_, Vec<AnnotationAndDef>> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/parser/core.rs:39:63
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn lparen<'a>(lparen: &'a str) -> impl FnMut(Span<'a>) -> PResult<((), Span, ())> {
[INFO] [stdout]    |                            --                         --      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                            |                          |       |            |
[INFO] [stdout]    |                            |                          |       |            the same lifetime is hidden here
[INFO] [stdout]    |                            |                          |       the same lifetime is hidden here
[INFO] [stdout]    |                            |                          the same lifetime is named here
[INFO] [stdout]    |                            the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn lparen<'a>(lparen: &'a str) -> impl FnMut(Span<'a>) -> PResult<'a, ((), Span<'a>, ())> {
[INFO] [stdout]    |                                                                       +++          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/parser/core.rs:47:63
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn rparen<'a>(rparen: &'a str) -> impl FnMut(Span<'a>) -> PResult<((), Span)> {
[INFO] [stdout]    |                            --                         --      ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                            |                          |       |            |
[INFO] [stdout]    |                            |                          |       |            the same lifetime is hidden here
[INFO] [stdout]    |                            |                          |       the same lifetime is hidden here
[INFO] [stdout]    |                            |                          the same lifetime is named here
[INFO] [stdout]    |                            the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn rparen<'a>(rparen: &'a str) -> impl FnMut(Span<'a>) -> PResult<'a, ((), Span<'a>)> {
[INFO] [stdout]    |                                                                       +++          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/parser/core.rs:51:61
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn delimiter<'a>(d: &'a str) -> impl FnMut(Span<'a>) -> PResult<((), Span, ())> {
[INFO] [stdout]    |                          --                         --      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                          |                          |       |            |
[INFO] [stdout]    |                          |                          |       |            the same lifetime is hidden here
[INFO] [stdout]    |                          |                          |       the same lifetime is hidden here
[INFO] [stdout]    |                          |                          the same lifetime is named here
[INFO] [stdout]    |                          the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn delimiter<'a>(d: &'a str) -> impl FnMut(Span<'a>) -> PResult<'a, ((), Span<'a>, ())> {
[INFO] [stdout]    |                                                                     +++          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.07s
[INFO] running `Command { std: "docker" "inspect" "ee14793f21525d906bac0751925fcb683a47ee655d785bd76593fb7784be3773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee14793f21525d906bac0751925fcb683a47ee655d785bd76593fb7784be3773", kill_on_drop: false }`
[INFO] [stdout] ee14793f21525d906bac0751925fcb683a47ee655d785bd76593fb7784be3773
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 904c6b842bccd158622c422c7cd7927e4940cc869c418f00c3f02195c51436bd
[INFO] running `Command { std: "docker" "start" "-a" "904c6b842bccd158622c422c7cd7927e4940cc869c418f00c3f02195c51436bd", kill_on_drop: false }`
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/parser/components.rs:408:16
[INFO] [stderr]     |
[INFO] [stderr] 408 |     match head.as_str() {
[INFO] [stderr]     |                ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `as_str(...)` to keep using the current method
[INFO] [stderr]     = note: `#[warn(unstable_name_collisions)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/parser.rs:23:24
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn do_parse(input: &str) -> PResult<Vec<AnnotationAndDef>> {
[INFO] [stderr]    |                        ^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        the lifetime is elided 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: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn do_parse(input: &str) -> PResult<'_, Vec<AnnotationAndDef>> {
[INFO] [stderr]    |                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/parser/core.rs:39:63
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn lparen<'a>(lparen: &'a str) -> impl FnMut(Span<'a>) -> PResult<((), Span, ())> {
[INFO] [stderr]    |                            --                         --      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                            |                          |       |            |
[INFO] [stderr]    |                            |                          |       |            the same lifetime is hidden here
[INFO] [stderr]    |                            |                          |       the same lifetime is hidden here
[INFO] [stderr]    |                            |                          the same lifetime is named here
[INFO] [stderr]    |                            the lifetime is named here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn lparen<'a>(lparen: &'a str) -> impl FnMut(Span<'a>) -> PResult<'a, ((), Span<'a>, ())> {
[INFO] [stderr]    |                                                                       +++          ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/parser/core.rs:47:63
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub fn rparen<'a>(rparen: &'a str) -> impl FnMut(Span<'a>) -> PResult<((), Span)> {
[INFO] [stderr]    |                            --                         --      ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                            |                          |       |            |
[INFO] [stderr]    |                            |                          |       |            the same lifetime is hidden here
[INFO] [stderr]    |                            |                          |       the same lifetime is hidden here
[INFO] [stderr]    |                            |                          the same lifetime is named here
[INFO] [stderr]    |                            the lifetime is named here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub fn rparen<'a>(rparen: &'a str) -> impl FnMut(Span<'a>) -> PResult<'a, ((), Span<'a>)> {
[INFO] [stderr]    |                                                                       +++          ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/parser/core.rs:51:61
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub fn delimiter<'a>(d: &'a str) -> impl FnMut(Span<'a>) -> PResult<((), Span, ())> {
[INFO] [stderr]    |                          --                         --      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                          |                          |       |            |
[INFO] [stderr]    |                          |                          |       |            the same lifetime is hidden here
[INFO] [stderr]    |                          |                          |       the same lifetime is hidden here
[INFO] [stderr]    |                          |                          the same lifetime is named here
[INFO] [stderr]    |                          the lifetime is named here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub fn delimiter<'a>(d: &'a str) -> impl FnMut(Span<'a>) -> PResult<'a, ((), Span<'a>, ())> {
[INFO] [stderr]    |                                                                     +++          ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `t4_idl_parser` (lib) generated 5 warnings (run `cargo fix --lib -p t4_idl_parser` to apply 4 suggestions)
[INFO] [stderr] warning: `t4_idl_parser` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/t4_idl_parser-8c94dd748c5094f4)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test parser::core::tests::expr ... ok
[INFO] [stdout] test parser::tests::parse_typedef ... ok
[INFO] [stdout] test parser::core::tests::literal ... ok
[INFO] [stdout] test parser::tests::parse_sequence ... ok
[INFO] [stdout] test parser::tests::comment ... ok
[INFO] [stdout] test parser::tests::parser ... ok
[INFO] [stdout] test parser::tests::parser_srv ... ok
[INFO] [stdout] test parser::tests::parser_complex ... ok
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests t4_idl_parser
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - character (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.58s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "904c6b842bccd158622c422c7cd7927e4940cc869c418f00c3f02195c51436bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "904c6b842bccd158622c422c7cd7927e4940cc869c418f00c3f02195c51436bd", kill_on_drop: false }`
[INFO] [stdout] 904c6b842bccd158622c422c7cd7927e4940cc869c418f00c3f02195c51436bd
