[INFO] cloning repository https://github.com/KeenS/webml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KeenS/webml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeenS%2Fwebml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeenS%2Fwebml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95d4541352131b65ccef05f1df648591d4c0df2d
[INFO] testing KeenS/webml against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeenS%2Fwebml" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/KeenS/webml
[INFO] finished tweaking git repo https://github.com/KeenS/webml
[INFO] tweaked toml for git repo https://github.com/KeenS/webml written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/KeenS/webml on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/KeenS/webml 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-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 775d1a2d994b4843ec9beb4ba1961e01438bdccd451b6bf6ca714037beddd238
[INFO] running `Command { std: "docker" "start" "-a" "775d1a2d994b4843ec9beb4ba1961e01438bdccd451b6bf6ca714037beddd238", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "775d1a2d994b4843ec9beb4ba1961e01438bdccd451b6bf6ca714037beddd238", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "775d1a2d994b4843ec9beb4ba1961e01438bdccd451b6bf6ca714037beddd238", kill_on_drop: false }`
[INFO] [stdout] 775d1a2d994b4843ec9beb4ba1961e01438bdccd451b6bf6ca714037beddd238
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 380ae200a55d4b617470b4b8e5b881a2c743eb10314d19b4e4a30d787581a5aa
[INFO] running `Command { std: "docker" "start" "-a" "380ae200a55d4b617470b4b8e5b881a2c743eb10314d19b4e4a30d787581a5aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling web-assembler v0.1.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling nom_locate v4.0.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling webml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `traverse_string` is never used
[INFO] [stdout]    --> src/ast/util.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout]   3 | pub trait Traverse<Ty> {
[INFO] [stdout]     |           -------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 151 |     fn traverse_string(&mut self, _: Span, _value: &mut Vec<u32>) {}
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/mir/hir2mir.rs:323:27
[INFO] [stdout]     |
[INFO] [stdout] 323 |                     Tuple(Vec<EbbTy>),
[INFO] [stdout]     |                     ----- ^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 323 -                     Tuple(Vec<EbbTy>),
[INFO] [stdout] 323 +                     Tuple(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ast/rename.rs:359:14
[INFO] [stdout]     |
[INFO] [stdout] 359 |     fn scope(&mut self) -> Scope {
[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] 359 |     fn scope(&mut self) -> Scope<'_> {
[INFO] [stdout]     |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/hir/unnest_func.rs:427:14
[INFO] [stdout]     |
[INFO] [stdout] 427 |     fn scope(&mut self) -> Scope {
[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] 427 |     fn scope(&mut self) -> Scope<'_> {
[INFO] [stdout]     |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/lir/pp.rs:133:30
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 for label in default {
[INFO] [stdout]     |                              ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 133 -                 for label in default {
[INFO] [stdout] 133 +                 while let Some(label) = default {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 133 -                 for label in default {
[INFO] [stdout] 133 +                 if let Some(label) = default {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/mir/pp.rs:326:37
[INFO] [stdout]     |
[INFO] [stdout] 326 |                     for (arm, _) in default {
[INFO] [stdout]     |                                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 326 -                     for (arm, _) in default {
[INFO] [stdout] 326 +                     while let Some((arm, _)) = default {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 326 -                     for (arm, _) in default {
[INFO] [stdout] 326 +                     if let Some((arm, _)) = default {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.72s
[INFO] running `Command { std: "docker" "inspect" "380ae200a55d4b617470b4b8e5b881a2c743eb10314d19b4e4a30d787581a5aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "380ae200a55d4b617470b4b8e5b881a2c743eb10314d19b4e4a30d787581a5aa", kill_on_drop: false }`
[INFO] [stdout] 380ae200a55d4b617470b4b8e5b881a2c743eb10314d19b4e4a30d787581a5aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ab8c01a51007877c6a0f74a3dd57e3a64ffb05e5f481a52e92ef99d6437310c
[INFO] running `Command { std: "docker" "start" "-a" "6ab8c01a51007877c6a0f74a3dd57e3a64ffb05e5f481a52e92ef99d6437310c", kill_on_drop: false }`
[INFO] [stderr]    Compiling webml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `traverse_string` is never used
[INFO] [stdout]    --> src/ast/util.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout]   3 | pub trait Traverse<Ty> {
[INFO] [stdout]     |           -------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 151 |     fn traverse_string(&mut self, _: Span, _value: &mut Vec<u32>) {}
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/mir/hir2mir.rs:323:27
[INFO] [stdout]     |
[INFO] [stdout] 323 |                     Tuple(Vec<EbbTy>),
[INFO] [stdout]     |                     ----- ^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 323 -                     Tuple(Vec<EbbTy>),
[INFO] [stdout] 323 +                     Tuple(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ast/rename.rs:359:14
[INFO] [stdout]     |
[INFO] [stdout] 359 |     fn scope(&mut self) -> Scope {
[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] 359 |     fn scope(&mut self) -> Scope<'_> {
[INFO] [stdout]     |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/hir/unnest_func.rs:427:14
[INFO] [stdout]     |
[INFO] [stdout] 427 |     fn scope(&mut self) -> Scope {
[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] 427 |     fn scope(&mut self) -> Scope<'_> {
[INFO] [stdout]     |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/lir/pp.rs:133:30
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 for label in default {
[INFO] [stdout]     |                              ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 133 -                 for label in default {
[INFO] [stdout] 133 +                 while let Some(label) = default {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 133 -                 for label in default {
[INFO] [stdout] 133 +                 if let Some(label) = default {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/mir/pp.rs:326:37
[INFO] [stdout]     |
[INFO] [stdout] 326 |                     for (arm, _) in default {
[INFO] [stdout]     |                                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 326 -                     for (arm, _) in default {
[INFO] [stdout] 326 +                     while let Some((arm, _)) = default {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 326 -                     for (arm, _) in default {
[INFO] [stdout] 326 +                     if let Some((arm, _)) = default {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `traverse_string` is never used
[INFO] [stdout]    --> src/ast/util.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout]   3 | pub trait Traverse<Ty> {
[INFO] [stdout]     |           -------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 151 |     fn traverse_string(&mut self, _: Span, _value: &mut Vec<u32>) {}
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/mir/hir2mir.rs:323:27
[INFO] [stdout]     |
[INFO] [stdout] 323 |                     Tuple(Vec<EbbTy>),
[INFO] [stdout]     |                     ----- ^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 323 -                     Tuple(Vec<EbbTy>),
[INFO] [stdout] 323 +                     Tuple(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ast/rename.rs:359:14
[INFO] [stdout]     |
[INFO] [stdout] 359 |     fn scope(&mut self) -> Scope {
[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] 359 |     fn scope(&mut self) -> Scope<'_> {
[INFO] [stdout]     |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/hir/unnest_func.rs:427:14
[INFO] [stdout]     |
[INFO] [stdout] 427 |     fn scope(&mut self) -> Scope {
[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] 427 |     fn scope(&mut self) -> Scope<'_> {
[INFO] [stdout]     |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/lir/pp.rs:133:30
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 for label in default {
[INFO] [stdout]     |                              ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 133 -                 for label in default {
[INFO] [stdout] 133 +                 while let Some(label) = default {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 133 -                 for label in default {
[INFO] [stdout] 133 +                 if let Some(label) = default {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/mir/pp.rs:326:37
[INFO] [stdout]     |
[INFO] [stdout] 326 |                     for (arm, _) in default {
[INFO] [stdout]     |                                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 326 -                     for (arm, _) in default {
[INFO] [stdout] 326 +                     while let Some((arm, _)) = default {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 326 -                     for (arm, _) in default {
[INFO] [stdout] 326 +                     if let Some((arm, _)) = default {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.39s
[INFO] running `Command { std: "docker" "inspect" "6ab8c01a51007877c6a0f74a3dd57e3a64ffb05e5f481a52e92ef99d6437310c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ab8c01a51007877c6a0f74a3dd57e3a64ffb05e5f481a52e92ef99d6437310c", kill_on_drop: false }`
[INFO] [stdout] 6ab8c01a51007877c6a0f74a3dd57e3a64ffb05e5f481a52e92ef99d6437310c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a89d81d89f617b91d28d7acf824a9c66cda4e6dbad73b1c29b37e0b3d67207b8
[INFO] running `Command { std: "docker" "start" "-a" "a89d81d89f617b91d28d7acf824a9c66cda4e6dbad73b1c29b37e0b3d67207b8", kill_on_drop: false }`
[INFO] [stderr] warning: method `traverse_string` is never used
[INFO] [stderr]    --> src/ast/util.rs:151:8
[INFO] [stderr]     |
[INFO] [stderr]   3 | pub trait Traverse<Ty> {
[INFO] [stderr]     |           -------- method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 151 |     fn traverse_string(&mut self, _: Span, _value: &mut Vec<u32>) {}
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/mir/hir2mir.rs:323:27
[INFO] [stderr]     |
[INFO] [stderr] 323 |                     Tuple(Vec<EbbTy>),
[INFO] [stderr]     |                     ----- ^^^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     field in this variant
[INFO] [stderr]     |
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 323 -                     Tuple(Vec<EbbTy>),
[INFO] [stderr] 323 +                     Tuple(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/ast/rename.rs:359:14
[INFO] [stderr]     |
[INFO] [stderr] 359 |     fn scope(&mut self) -> Scope {
[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] 359 |     fn scope(&mut self) -> Scope<'_> {
[INFO] [stderr]     |                                 ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/hir/unnest_func.rs:427:14
[INFO] [stderr]     |
[INFO] [stderr] 427 |     fn scope(&mut self) -> Scope {
[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] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 427 |     fn scope(&mut self) -> Scope<'_> {
[INFO] [stderr]     |                                 ++++
[INFO] [stderr] 
[INFO] [stderr] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stderr]    --> src/lir/pp.rs:133:30
[INFO] [stderr]     |
[INFO] [stderr] 133 |                 for label in default {
[INFO] [stderr]     |                              ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]     |
[INFO] [stderr] 133 -                 for label in default {
[INFO] [stderr] 133 +                 while let Some(label) = default {
[INFO] [stderr]     |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]     |
[INFO] [stderr] 133 -                 for label in default {
[INFO] [stderr] 133 +                 if let Some(label) = default {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stderr]    --> src/mir/pp.rs:326:37
[INFO] [stderr]     |
[INFO] [stderr] 326 |                     for (arm, _) in default {
[INFO] [stderr]     |                                     ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]     |
[INFO] [stderr] 326 -                     for (arm, _) in default {
[INFO] [stderr] 326 +                     while let Some((arm, _)) = default {
[INFO] [stderr]     |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]     |
[INFO] [stderr] 326 -                     for (arm, _) in default {
[INFO] [stderr] 326 +                     if let Some((arm, _)) = default {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `webml` (lib) generated 6 warnings (run `cargo fix --lib -p webml` to apply 2 suggestions)
[INFO] [stderr] warning: `webml` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/webml-daee1a26ad76baf2)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test parser::test_expr_infix_and_app2 ... ok
[INFO] [stdout] test parser::test_expr_infix_and_app ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/webml-6fa1e2804b5cf176)
[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 tests/run_tests.rs (/opt/rustwide/target/debug/deps/run_tests-9b6cb8632618eecc)
[INFO] [stdout] 
[INFO] [stdout] running 64 tests
[INFO] [stdout] test tests::compile::test_compile_fail ... ok
[INFO] [stdout] test tests::parser::parse_andalso ... ok
[INFO] [stdout] test tests::parser::pares_comment ... ok
[INFO] [stdout] test tests::parser::parse_apply_tuple ... ok
[INFO] [stdout] test tests::parser::parse_binop ... ok
[INFO] [stdout] test tests::parser::parse_binop_assoc ... ok
[INFO] [stdout] test tests::compile::test_compile_pass ... ok
[INFO] [stdout] test tests::parser::parse_binop_pref ... ok
[INFO] [stdout] test tests::parser::parse_binop_mixed_assoc ... ok
[INFO] [stdout] test tests::parser::parse_binop_space ... ok
[INFO] [stdout] test tests::parser::parse_bool_false ... ok
[INFO] [stdout] test tests::parser::parse_binopr_assoc ... ok
[INFO] [stdout] test tests::parser::parse_builtincall ... ok
[INFO] [stdout] test tests::parser::parse_bool_true ... ok
[INFO] [stdout] test tests::parser::parse_case_binopr_assoc ... ok
[INFO] [stdout] test tests::parser::parse_case_constructor ... ok
[INFO] [stdout] test tests::parser::parse_binopr ... ok
[INFO] [stdout] test tests::parser::parse_datatype_multi ... ok
[INFO] [stdout] test tests::parser::parse_datatype_primlike ... ok
[INFO] [stdout] test tests::parser::parse_case_val_pattern_wildcard ... ok
[INFO] [stdout] test tests::parser::parse_case_var ... ok
[INFO] [stdout] test tests::parser::parse_apply ... ok
[INFO] [stdout] test tests::parser::parse_case_int ... ok
[INFO] [stdout] test tests::parser::parse_case_tuple ... ok
[INFO] [stdout] test tests::parser::parse_case_wildcard ... ok
[INFO] [stdout] test tests::parser::parse_char ... ok
[INFO] [stdout] test tests::parser::parse_datatype_arg2 ... ok
[INFO] [stdout] test tests::parser::parse_datatype_arg3 ... ok
[INFO] [stdout] test tests::parser::parse_datatype_arg1 ... ok
[INFO] [stdout] test tests::parser::parse_datatype_single ... ok
[INFO] [stdout] test tests::parser::parse_datatype_tuple ... ok
[INFO] [stdout] test tests::parser::parse_float ... ok
[INFO] [stdout] test tests::parser::parse_externcall ... ok
[INFO] [stdout] test tests::parser::parse_fn_unary ... ok
[INFO] [stdout] test tests::parser::parse_fun_binary ... ok
[INFO] [stdout] test tests::parser::parse_fun_op ... ok
[INFO] [stdout] test tests::parser::parse_fun_unary ... ok
[INFO] [stdout] test tests::parser::parse_multistatement_val_datatype ... ok
[INFO] [stdout] test tests::parser::parse_andalso_orelse ... ok
[INFO] [stdout] test tests::parser::parse_funarg_pattern ... ok
[INFO] [stdout] test tests::parser::parse_if ... ok
[INFO] [stdout] test tests::parser::parse_int ... ok
[INFO] [stdout] test tests::parser::parse_langitem ... ok
[INFO] [stdout] test tests::parser::parse_nofix ... ok
[INFO] [stdout] test tests::parser::parse_op ... ok
[INFO] [stdout] test tests::parser::parse_orelse ... ok
[INFO] [stdout] test tests::parser::parse_pattern_unit ... ok
[INFO] [stdout] test tests::parser::parse_seq ... ok
[INFO] [stdout] test tests::parser::parse_string ... ok
[INFO] [stdout] test tests::parser::parse_toplevel_expr ... ok
[INFO] [stdout] test tests::parser::parse_tuple ... ok
[INFO] [stdout] test tests::parser::parse_unit ... ok
[INFO] [stdout] test tests::parser::parse_val ... ok
[INFO] [stdout] test tests::parser::parse_val_seq_semi ... ok
[INFO] [stdout] test tests::parser::parse_val_seq ... ok
[INFO] [stdout] test tests::parser::parse_while ... ok
[INFO] [stdout] test tests::parser::parse_case_bool ... ok
[INFO] [stdout] test tests::parser::parse_fun_multiclause ... ok
[INFO] [stdout] test tests::parser::parse_fun_pattern ... ok
[INFO] [stdout] test tests::parser::parse_let ... ok
[INFO] [stdout] test tests::parser::parse_let_seq ... ok
[INFO] [stdout] test tests::parser::parse_local ... ok
[INFO] [stdout] test tests::parser::parse_fun_multiclause_different_fnname ... ok
[INFO] [stderr] 
[INFO] [stderr] thread 'tests::compile::examples_compile_pass' (29) has overflowed its stack
[INFO] [stderr] fatal runtime error: stack overflow, aborting
[INFO] [stderr] error: test failed, to rerun pass `--test run_tests`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/run_tests-9b6cb8632618eecc` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "a89d81d89f617b91d28d7acf824a9c66cda4e6dbad73b1c29b37e0b3d67207b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a89d81d89f617b91d28d7acf824a9c66cda4e6dbad73b1c29b37e0b3d67207b8", kill_on_drop: false }`
[INFO] [stdout] a89d81d89f617b91d28d7acf824a9c66cda4e6dbad73b1c29b37e0b3d67207b8
