[INFO] cloning repository https://github.com/kyon4ik/blang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kyon4ik/blang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyon4ik%2Fblang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyon4ik%2Fblang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 044a4d8be95520ef2fc2d00436d97b1d635ec49d
[INFO] checking kyon4ik/blang against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkyon4ik%2Fblang" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kyon4ik/blang
[INFO] finished tweaking git repo https://github.com/kyon4ik/blang
[INFO] tweaked toml for git repo https://github.com/kyon4ik/blang written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kyon4ik/blang on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kyon4ik/blang 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d8154f97a06cf00389113dd7b2f2d221a1e91d05770ca5e07a94d062092404c
[INFO] running `Command { std: "docker" "start" "-a" "7d8154f97a06cf00389113dd7b2f2d221a1e91d05770ca5e07a94d062092404c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d8154f97a06cf00389113dd7b2f2d221a1e91d05770ca5e07a94d062092404c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d8154f97a06cf00389113dd7b2f2d221a1e91d05770ca5e07a94d062092404c", kill_on_drop: false }`
[INFO] [stdout] 7d8154f97a06cf00389113dd7b2f2d221a1e91d05770ca5e07a94d062092404c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d5f5feb5eae2724ff3396d73686df70c963d87515b83be86d4ffc03c2de5c6e
[INFO] running `Command { std: "docker" "start" "-a" "2d5f5feb5eae2724ff3396d73686df70c963d87515b83be86d4ffc03c2de5c6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling cranelift-srcgen v0.121.1
[INFO] [stderr]    Compiling cranelift-isle v0.121.1
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.121.1
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]     Checking cranelift-bitset v0.121.1
[INFO] [stderr]     Checking arbitrary v1.4.1
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking bumpalo v3.19.0
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking clap_builder v4.5.41
[INFO] [stderr]     Checking wasmtime-math v34.0.1
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking cranelift-entity v0.121.1
[INFO] [stderr]     Checking is-terminal v0.4.16
[INFO] [stderr]     Checking concolor-query v0.3.3
[INFO] [stderr]    Compiling cranelift-assembler-x64-meta v0.121.1
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking strum v0.27.1
[INFO] [stderr]     Checking concolor v0.1.1
[INFO] [stderr]     Checking cranelift-bforest v0.121.1
[INFO] [stderr]     Checking ariadne v0.5.1
[INFO] [stderr]     Checking indexmap v2.10.0
[INFO] [stderr]     Checking regalloc2 v0.12.2
[INFO] [stderr]     Checking cranelift-control v0.121.1
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.121.1
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]    Compiling cranelift-assembler-x64 v0.121.1
[INFO] [stderr]    Compiling cranelift-codegen v0.121.1
[INFO] [stderr]    Compiling clap_derive v4.5.41
[INFO] [stderr]    Compiling strum_macros v0.27.1
[INFO] [stderr]     Checking clap v4.5.41
[INFO] [stderr]     Checking comptest v0.1.0 (/opt/rustwide/workdir/comptest)
[INFO] [stderr]     Checking cranelift-module v0.121.1
[INFO] [stderr]     Checking cranelift-frontend v0.121.1
[INFO] [stderr]     Checking cranelift-object v0.121.1
[INFO] [stderr]     Checking blang v0.1.0 (/opt/rustwide/workdir/blang)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> blang/src/arena.rs:231:21
[INFO] [stdout]     |
[INFO] [stdout] 231 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[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] 231 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> blang/src/diagnostics.rs:84:18
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn error(&self, span: Span, message: impl ToString) -> ReportBuilder {
[INFO] [stdout]    |                  ^^^^^ the lifetime is elided here             ^^^^^^^^^^^^^ 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: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn error(&self, span: Span, message: impl ToString) -> ReportBuilder<'_> {
[INFO] [stdout]    |                                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<&ariadne::Source, Infallible>
[INFO] [stdout]    --> blang/src/diagnostics.rs:136:72
[INFO] [stdout]     |
[INFO] [stdout] 136 |       ) -> Result<&ariadne::Source<Self::Storage>, impl std::fmt::Debug> {
[INFO] [stdout]     |  ________________________________________________________________________^
[INFO] [stdout] 137 | |         debug_assert_eq!(id, self.path.as_ref());
[INFO] [stdout] 138 | |         Result::<_, Infallible>::Ok(self.utf_src.as_ref())
[INFO] [stdout] 139 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<&ariadne::Source, Infallible>
[INFO] [stdout]    --> blang/src/diagnostics.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         Result::<_, Infallible>::Ok(self.utf_src.as_ref())
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blang` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> blang/src/arena.rs:231:21
[INFO] [stdout]     |
[INFO] [stdout] 231 |     pub fn iter_mut(&mut self) -> IterMut<T> {
[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] 231 |     pub fn iter_mut(&mut self) -> IterMut<'_, T> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> blang/src/diagnostics.rs:84:18
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn error(&self, span: Span, message: impl ToString) -> ReportBuilder {
[INFO] [stdout]    |                  ^^^^^ the lifetime is elided here             ^^^^^^^^^^^^^ 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: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn error(&self, span: Span, message: impl ToString) -> ReportBuilder<'_> {
[INFO] [stdout]    |                                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<&ariadne::Source, Infallible>
[INFO] [stdout]    --> blang/src/diagnostics.rs:136:72
[INFO] [stdout]     |
[INFO] [stdout] 136 |       ) -> Result<&ariadne::Source<Self::Storage>, impl std::fmt::Debug> {
[INFO] [stdout]     |  ________________________________________________________________________^
[INFO] [stdout] 137 | |         debug_assert_eq!(id, self.path.as_ref());
[INFO] [stdout] 138 | |         Result::<_, Infallible>::Ok(self.utf_src.as_ref())
[INFO] [stdout] 139 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<&ariadne::Source, Infallible>
[INFO] [stdout]    --> blang/src/diagnostics.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         Result::<_, Infallible>::Ok(self.utf_src.as_ref())
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> blang/src/parser/test.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn parser(src: &[u8]) -> Parser {
[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] help: use `'_` for type paths
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn parser(src: &[u8]) -> Parser<'_> {
[INFO] [stdout]   |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blang` (lib test) due to 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2d5f5feb5eae2724ff3396d73686df70c963d87515b83be86d4ffc03c2de5c6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d5f5feb5eae2724ff3396d73686df70c963d87515b83be86d4ffc03c2de5c6e", kill_on_drop: false }`
[INFO] [stdout] 2d5f5feb5eae2724ff3396d73686df70c963d87515b83be86d4ffc03c2de5c6e
