[INFO] cloning repository https://github.com/mcmah309/eros
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mcmah309/eros" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmcmah309%2Feros", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmcmah309%2Feros'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0605cc6f3887d8b5edbd858623c1c92b19d0e069
[INFO] testing mcmah309/eros against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmcmah309%2Feros" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mcmah309/eros
[INFO] finished tweaking git repo https://github.com/mcmah309/eros
[INFO] tweaked toml for git repo https://github.com/mcmah309/eros written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mcmah309/eros on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mcmah309/eros 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54d077c60bdf766661d345349ab253d41ba3b75547ced480c65611d1460f963b
[INFO] running `Command { std: "docker" "start" "-a" "54d077c60bdf766661d345349ab253d41ba3b75547ced480c65611d1460f963b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54d077c60bdf766661d345349ab253d41ba3b75547ced480c65611d1460f963b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54d077c60bdf766661d345349ab253d41ba3b75547ced480c65611d1460f963b", kill_on_drop: false }`
[INFO] [stdout] 54d077c60bdf766661d345349ab253d41ba3b75547ced480c65611d1460f963b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 673153fc30629e20bc8f3960bd13be8ede740546703da5a5376c79e720b51625
[INFO] running `Command { std: "docker" "start" "-a" "673153fc30629e20bc8f3960bd13be8ede740546703da5a5376c79e720b51625", kill_on_drop: false }`
[INFO] [stderr]    Compiling eros v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: specialization is experimental
[INFO] [stdout]    --> src/context.rs:183:5
[INFO] [stdout]     |
[INFO] [stdout] 183 |     default fn add_context(&mut self, context: StrError) {}
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]     = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] [stdout] warning: specialization is experimental
[INFO] [stdout]    --> src/generic_error.rs:278:5
[INFO] [stdout]     |
[INFO] [stdout] 278 |     default fn from(e: T) -> Self {
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]     = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: specialization is experimental
[INFO] [stdout]    --> src/generic_error.rs:308:5
[INFO] [stdout]     |
[INFO] [stdout] 308 |     default fn traced_dyn(self) -> TracedError {
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]     = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: specialization is experimental
[INFO] [stdout]    --> src/generic_error.rs:336:5
[INFO] [stdout]     |
[INFO] [stdout] 336 |     default fn traced_dyn(self) -> Result<S, TracedError> {
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]     = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "673153fc30629e20bc8f3960bd13be8ede740546703da5a5376c79e720b51625", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "673153fc30629e20bc8f3960bd13be8ede740546703da5a5376c79e720b51625", kill_on_drop: false }`
[INFO] [stdout] 673153fc30629e20bc8f3960bd13be8ede740546703da5a5376c79e720b51625
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7382ceba0516586df8a87d2a9d184a783b24f5dcb7961f514067ef46e4d112c3
[INFO] running `Command { std: "docker" "start" "-a" "7382ceba0516586df8a87d2a9d184a783b24f5dcb7961f514067ef46e4d112c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling writeable v0.6.1
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling cc v1.2.33
[INFO] [stderr]    Compiling litemap v0.8.0
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling toml_parser v1.0.2
[INFO] [stderr]    Compiling toml_writer v1.0.2
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling iri-string v0.7.8
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stdout] warning: specialization is experimental
[INFO] [stdout]    --> src/context.rs:183:5
[INFO] [stdout]     |
[INFO] [stdout] 183 |     default fn add_context(&mut self, context: StrError) {}
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]     = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: specialization is experimental
[INFO] [stdout]    --> src/generic_error.rs:278:5
[INFO] [stdout]     |
[INFO] [stdout] 278 |     default fn from(e: T) -> Self {
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]     = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: specialization is experimental
[INFO] [stdout]    --> src/generic_error.rs:308:5
[INFO] [stdout]     |
[INFO] [stdout] 308 |     default fn traced_dyn(self) -> TracedError {
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]     = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: specialization is experimental
[INFO] [stdout]    --> src/generic_error.rs:336:5
[INFO] [stdout]     |
[INFO] [stdout] 336 |     default fn traced_dyn(self) -> Result<S, TracedError> {
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]     = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling serde_spanned v1.0.0
[INFO] [stderr]    Compiling toml_datetime v0.7.0
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling toml v0.9.5
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling tokio-util v0.7.16
[INFO] [stderr]    Compiling tower v0.5.2
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.0
[INFO] [stderr]    Compiling zerovec v0.11.4
[INFO] [stderr]    Compiling zerotrie v0.2.2
[INFO] [stderr]    Compiling tower-http v0.6.6
[INFO] [stderr]    Compiling h2 v0.4.12
[INFO] [stderr]    Compiling trybuild v1.0.110
[INFO] [stderr]    Compiling tinystr v0.8.1
[INFO] [stderr]    Compiling potential_utf v0.1.2
[INFO] [stderr]    Compiling icu_locale_core v2.0.0
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]    Compiling icu_provider v2.0.0
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling icu_properties v2.0.1
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling hyper v1.7.0
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling hyper-util v0.1.16
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling hyper-tls v0.6.0
[INFO] [stderr]    Compiling reqwest v0.12.23
[INFO] [stderr]    Compiling eros v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> tests/usability.rs:152:15
[INFO] [stdout]     |
[INFO] [stdout] 152 |         E2::A(u) => {
[INFO] [stdout]     |               ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> tests/usability.rs:155:15
[INFO] [stdout]     |
[INFO] [stdout] 155 |         E2::B(s) => {
[INFO] [stdout]     |               ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> tests/usability.rs:162:15
[INFO] [stdout]     |
[INFO] [stdout] 162 |         E2::A(u) => {
[INFO] [stdout]     |               ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> tests/usability.rs:165:15
[INFO] [stdout]     |
[INFO] [stdout] 165 |         E2::B(s) => {
[INFO] [stdout]     |               ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `is_hit` is never read
[INFO] [stdout]    --> tests/usability.rs:150:22
[INFO] [stdout]     |
[INFO] [stdout] 150 |     let mut is_hit = false;
[INFO] [stdout]     |                      ^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 153 |             is_hit = true;
[INFO] [stdout]     |             ------------- `is_hit` is overwritten here before the previous value is read
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `is_hit` is never read
[INFO] [stdout]    --> tests/usability.rs:160:5
[INFO] [stdout]     |
[INFO] [stdout] 160 |     is_hit = false;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 163 |             is_hit = true;
[INFO] [stdout]     |             ------------- `is_hit` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `is_hit` is never read
[INFO] [stdout]    --> tests/usability.rs:185:28
[INFO] [stdout]     |
[INFO] [stdout] 185 |     let mut is_hit: bool = false;
[INFO] [stdout]     |                            ^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 188 |             is_hit = true;
[INFO] [stdout]     |             ------------- `is_hit` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `AnotherErrorVariant` is never constructed
[INFO] [stdout]    --> tests/usability.rs:323:9
[INFO] [stdout]     |
[INFO] [stdout] 322 |     pub enum AnotherError {
[INFO] [stdout]     |              ------------ variant in this enum
[INFO] [stdout] 323 |         AnotherErrorVariant,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AnotherError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: specialization is experimental
[INFO] [stdout]    --> src/context.rs:183:5
[INFO] [stdout]     |
[INFO] [stdout] 183 |     default fn add_context(&mut self, context: StrError) {}
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]     = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: specialization is experimental
[INFO] [stdout]    --> src/generic_error.rs:278:5
[INFO] [stdout]     |
[INFO] [stdout] 278 |     default fn from(e: T) -> Self {
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]     = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: specialization is experimental
[INFO] [stdout]    --> src/generic_error.rs:308:5
[INFO] [stdout]     |
[INFO] [stdout] 308 |     default fn traced_dyn(self) -> TracedError {
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]     = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: specialization is experimental
[INFO] [stdout]    --> src/generic_error.rs:336:5
[INFO] [stdout]     |
[INFO] [stdout] 336 |     default fn traced_dyn(self) -> Result<S, TracedError> {
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]     = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 33.33s
[INFO] running `Command { std: "docker" "inspect" "7382ceba0516586df8a87d2a9d184a783b24f5dcb7961f514067ef46e4d112c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7382ceba0516586df8a87d2a9d184a783b24f5dcb7961f514067ef46e4d112c3", kill_on_drop: false }`
[INFO] [stdout] 7382ceba0516586df8a87d2a9d184a783b24f5dcb7961f514067ef46e4d112c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=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" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0e0f92344d4c712920d31971d2bd6abb72a2178681ed17f8e9cff43294c707e6
[INFO] running `Command { std: "docker" "start" "-a" "0e0f92344d4c712920d31971d2bd6abb72a2178681ed17f8e9cff43294c707e6", kill_on_drop: false }`
[INFO] [stderr] warning: specialization is experimental
[INFO] [stderr]    --> src/context.rs:183:5
[INFO] [stderr]     |
[INFO] [stderr] 183 |     default fn add_context(&mut self, context: StrError) {}
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stderr]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stderr]     = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stderr] 
[INFO] [stderr] warning: specialization is experimental
[INFO] [stderr]    --> src/generic_error.rs:278:5
[INFO] [stderr]     |
[INFO] [stderr] 278 |     default fn from(e: T) -> Self {
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stderr]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stderr]     = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stderr] 
[INFO] [stderr] warning: specialization is experimental
[INFO] [stderr]    --> src/generic_error.rs:308:5
[INFO] [stderr]     |
[INFO] [stderr] 308 |     default fn traced_dyn(self) -> TracedError {
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stderr]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stderr]     = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stderr] 
[INFO] [stderr] warning: specialization is experimental
[INFO] [stderr]    --> src/generic_error.rs:336:5
[INFO] [stderr]     |
[INFO] [stderr] 336 |     default fn traced_dyn(self) -> Result<S, TracedError> {
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stderr]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stderr]     = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stderr] 
[INFO] [stderr] warning: `eros` (lib) generated 4 warnings
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]    --> tests/usability.rs:152:15
[INFO] [stderr]     |
[INFO] [stderr] 152 |         E2::A(u) => {
[INFO] [stderr]     |               ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> tests/usability.rs:155:15
[INFO] [stderr]     |
[INFO] [stderr] 155 |         E2::B(s) => {
[INFO] [stderr]     |               ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]    --> tests/usability.rs:162:15
[INFO] [stderr]     |
[INFO] [stderr] 162 |         E2::A(u) => {
[INFO] [stderr]     |               ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> tests/usability.rs:165:15
[INFO] [stderr]     |
[INFO] [stderr] 165 |         E2::B(s) => {
[INFO] [stderr]     |               ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `is_hit` is never read
[INFO] [stderr]    --> tests/usability.rs:150:22
[INFO] [stderr]     |
[INFO] [stderr] 150 |     let mut is_hit = false;
[INFO] [stderr]     |                      ^^^^^ this value is reassigned later and never used
[INFO] [stderr] ...
[INFO] [stderr] 153 |             is_hit = true;
[INFO] [stderr]     |             ------------- `is_hit` is overwritten here before the previous value is read
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `is_hit` is never read
[INFO] [stderr]    --> tests/usability.rs:160:5
[INFO] [stderr]     |
[INFO] [stderr] 160 |     is_hit = false;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stderr] ...
[INFO] [stderr] 163 |             is_hit = true;
[INFO] [stderr]     |             ------------- `is_hit` is overwritten here before the previous value is read
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `is_hit` is never read
[INFO] [stderr]    --> tests/usability.rs:185:28
[INFO] [stderr]     |
[INFO] [stderr] 185 |     let mut is_hit: bool = false;
[INFO] [stderr]     |                            ^^^^^ this value is reassigned later and never used
[INFO] [stderr] ...
[INFO] [stderr] 188 |             is_hit = true;
[INFO] [stderr]     |             ------------- `is_hit` is overwritten here before the previous value is read
[INFO] [stderr] 
[INFO] [stderr] warning: variant `AnotherErrorVariant` is never constructed
[INFO] [stderr]    --> tests/usability.rs:323:9
[INFO] [stderr]     |
[INFO] [stderr] 322 |     pub enum AnotherError {
[INFO] [stderr]     |              ------------ variant in this enum
[INFO] [stderr] 323 |         AnotherErrorVariant,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `AnotherError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `eros` (test "usability") generated 8 warnings (run `cargo fix --test "usability" -p eros` to apply 4 suggestions)
[INFO] [stderr] warning: `eros` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/eros-8ddc60b9da1a0578)
[INFO] [stderr]      Running tests/context.rs (/opt/rustwide/target/debug/deps/context-3ba0dcbfef40bae5)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test bail ... ok
[INFO] [stdout] test absent_value_error ... ok
[INFO] [stdout] test generic_context_error_to_error_union ... ok
[INFO] [stdout] test generic_error_to_error_union ... ok
[INFO] [stdout] test ensure ... ok
[INFO] [stdout] test nesting_traced_dyn_calls - should panic ... ok
[INFO] [stdout] test context_directly_on_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/trybuild.rs (/opt/rustwide/target/debug/deps/trybuild-2c8e117dcc2ab8fe)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking writeable v0.6.1
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking litemap v0.8.0
[INFO] [stderr]     Checking slab v0.4.11
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling cc v1.2.33
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking bitflags v2.9.2
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking equivalent v1.0.2
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking tower-service v0.3.3
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking openssl-probe v0.1.6
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking http v1.3.1
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking ipnet v2.11.0
[INFO] [stderr]     Checking utf8_iter v1.0.4
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]     Checking tower-layer v0.3.3
[INFO] [stderr]     Checking iri-string v0.7.8
[INFO] [stderr]     Checking indexmap v2.10.0
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]     Checking rustls-pki-types v1.12.0
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking eros v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr] warning: specialization is experimental
[INFO] [stderr]    --> /opt/rustwide/workdir/src/context.rs:183:5
[INFO] [stderr]     |
[INFO] [stderr] 183 |     default fn add_context(&mut self, context: StrError) {}
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stderr]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stderr]     = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stderr] 
[INFO] [stderr] warning: specialization is experimental
[INFO] [stderr]    --> /opt/rustwide/workdir/src/generic_error.rs:278:5
[INFO] [stderr]     |
[INFO] [stderr] 278 |     default fn from(e: T) -> Self {
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stderr]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stderr]     = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stderr] 
[INFO] [stderr] warning: specialization is experimental
[INFO] [stderr]    --> /opt/rustwide/workdir/src/generic_error.rs:308:5
[INFO] [stderr]     |
[INFO] [stderr] 308 |     default fn traced_dyn(self) -> TracedError {
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stderr]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stderr]     = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stderr] 
[INFO] [stderr] warning: specialization is experimental
[INFO] [stderr]    --> /opt/rustwide/workdir/src/generic_error.rs:336:5
[INFO] [stderr]     |
[INFO] [stderr] 336 |     default fn traced_dyn(self) -> Result<S, TracedError> {
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stderr]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stderr]     = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stderr] 
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr] warning: `eros` (lib) generated 4 warnings
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking socket2 v0.6.0
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]     Checking tokio-util v0.7.16
[INFO] [stderr]     Checking tower v0.5.2
[INFO] [stderr]     Checking h2 v0.4.12
[INFO] [stderr]     Checking tower-http v0.6.6
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking yoke v0.8.0
[INFO] [stderr]     Checking zerotrie v0.2.2
[INFO] [stderr]     Checking zerovec v0.11.4
[INFO] [stderr]     Checking hyper v1.7.0
[INFO] [stderr]     Checking tinystr v0.8.1
[INFO] [stderr]     Checking potential_utf v0.1.2
[INFO] [stderr]     Checking icu_collections v2.0.0
[INFO] [stderr]     Checking icu_locale_core v2.0.0
[INFO] [stderr]     Checking hyper-util v0.1.16
[INFO] [stderr]     Checking icu_provider v2.0.0
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]     Checking icu_properties v2.0.1
[INFO] [stderr]     Checking hyper-tls v0.6.0
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking reqwest v0.12.23
[INFO] [stderr]     Checking eros-tests v0.0.0 (/opt/rustwide/target/tests/trybuild/eros)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.70s
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stdout] test trybuild ... ok
[INFO] [stderr] test tests/trybuild/cannot_call_traced_on_traced_error.rs ... ok
[INFO] [stdout] 
[INFO] [stderr] test tests/trybuild/cannot_call_traced_on_traced_result.rs ... ok
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 31.51s
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr]      Running tests/usability.rs (/opt/rustwide/target/debug/deps/usability-c314a12d65e01a73)
[INFO] [stdout] running 11 tests
[INFO] [stdout] test debug ... ok
[INFO] [stdout] test multi_narrow ... ok
[INFO] [stdout] test retry_example ... ok
[INFO] [stdout] test union ... ok
[INFO] [stdout] test widen_narrow ... ok
[INFO] [stdout] test multi_match ... ok
[INFO] [stdout] test double_traced_dyn_error - should panic ... ok
[INFO] [stdout] test source_lives_long_enough ... ok
[INFO] [stdout] test into_traced::into_traced ... ok
[INFO] [stdout] test map_inner ... ok
[INFO] [stdout] test double_traced_dyn_result - should panic ... ok
[INFO] [stderr]    Doc-tests eros
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: specialization is experimental
[INFO] [stdout] running 10 tests
[INFO] [stderr]    --> src/context.rs:183:5
[INFO] [stdout] test src/lib.rs - (line 90) ... ignored
[INFO] [stderr]     |
[INFO] [stderr] 183 |     default fn add_context(&mut self, context: StrError) {}
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stderr]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stderr]     = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stderr] 
[INFO] [stderr] warning: specialization is experimental
[INFO] [stderr]    --> src/generic_error.rs:278:5
[INFO] [stderr]     |
[INFO] [stderr] 278 |     default fn from(e: T) -> Self {
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stderr]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stderr]     = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stderr] 
[INFO] [stderr] warning: specialization is experimental
[INFO] [stderr]    --> src/generic_error.rs:308:5
[INFO] [stderr]     |
[INFO] [stderr] 308 |     default fn traced_dyn(self) -> TracedError {
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stderr]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stderr]     = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stderr] 
[INFO] [stderr] warning: specialization is experimental
[INFO] [stderr]    --> src/generic_error.rs:336:5
[INFO] [stderr]     |
[INFO] [stderr] 336 |     default fn traced_dyn(self) -> Result<S, TracedError> {
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stderr]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stderr]     = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] test src/lib.rs - (line 170) ... ok
[INFO] [stdout] test src/lib.rs - (line 446) ... ok
[INFO] [stdout] test src/lib.rs - (line 24) ... ok
[INFO] [stdout] test src/lib.rs - (line 138) ... ok
[INFO] [stdout] test src/lib.rs - (line 55) ... ok
[INFO] [stdout] test src/lib.rs - (line 365) ... ok
[INFO] [stdout] test src/lib.rs - (line 375) ... ok
[INFO] [stdout] test src/lib.rs - (line 98) ... ok
[INFO] [stdout] test src/lib.rs - (line 243) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 2.65s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0e0f92344d4c712920d31971d2bd6abb72a2178681ed17f8e9cff43294c707e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e0f92344d4c712920d31971d2bd6abb72a2178681ed17f8e9cff43294c707e6", kill_on_drop: false }`
[INFO] [stdout] 0e0f92344d4c712920d31971d2bd6abb72a2178681ed17f8e9cff43294c707e6
