[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/95d4541352131b65ccef05f1df648591d4c0df2d against nightly-2024-10-28+rustflags=-Zrandomize-layout for randomize-layout
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKeenS%2Fwebml" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KeenS/webml on toolchain nightly-2024-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-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-7-tc2/source/Cargo.toml
[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" "+nightly-2024-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eda34e35a683f50ff6a3fff82898949639dc9540555badba7d9f03b485fdaf9d
[INFO] running `Command { std: "docker" "start" "-a" "eda34e35a683f50ff6a3fff82898949639dc9540555badba7d9f03b485fdaf9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eda34e35a683f50ff6a3fff82898949639dc9540555badba7d9f03b485fdaf9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eda34e35a683f50ff6a3fff82898949639dc9540555badba7d9f03b485fdaf9d", kill_on_drop: false }`
[INFO] [stdout] eda34e35a683f50ff6a3fff82898949639dc9540555badba7d9f03b485fdaf9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Zrandomize-layout" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0f4140a25cbb3375f3bc7c7afda61c1ca14c3a3d282d9f64a46f049c28da297
[INFO] running `Command { std: "docker" "start" "-a" "e0f4140a25cbb3375f3bc7c7afda61c1ca14c3a3d282d9f64a46f049c28da297", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling web-assembler v0.1.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling atty v0.2.14
[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)]` 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(()),
[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 |                 while let Some(label) = default {
[INFO] [stdout]     |                 ~~~~~~~~~~~~~~~     ~~~
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[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 |                     while let Some((arm, _)) = default {
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~        ~~~
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 326 |                     if let Some((arm, _)) = default {
[INFO] [stdout]     |                     ~~~~~~~~~~~~        ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.47s
[INFO] running `Command { std: "docker" "inspect" "e0f4140a25cbb3375f3bc7c7afda61c1ca14c3a3d282d9f64a46f049c28da297", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0f4140a25cbb3375f3bc7c7afda61c1ca14c3a3d282d9f64a46f049c28da297", kill_on_drop: false }`
[INFO] [stdout] e0f4140a25cbb3375f3bc7c7afda61c1ca14c3a3d282d9f64a46f049c28da297
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Zrandomize-layout" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 393141bbef2fb67a0a8a5cdb17a905aef49dfbd68c5a9e774b499f0a891908b8
[INFO] running `Command { std: "docker" "start" "-a" "393141bbef2fb67a0a8a5cdb17a905aef49dfbd68c5a9e774b499f0a891908b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling same-file v1.0.6
[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)]` 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(()),
[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 |                 while let Some(label) = default {
[INFO] [stdout]     |                 ~~~~~~~~~~~~~~~     ~~~
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[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 |                     while let Some((arm, _)) = default {
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~        ~~~
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 326 |                     if let Some((arm, _)) = default {
[INFO] [stdout]     |                     ~~~~~~~~~~~~        ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling walkdir v2.3.2
[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)]` 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(()),
[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 |                 while let Some(label) = default {
[INFO] [stdout]     |                 ~~~~~~~~~~~~~~~     ~~~
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[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 |                     while let Some((arm, _)) = default {
[INFO] [stdout]     |                     ~~~~~~~~~~~~~~~        ~~~
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 326 |                     if let Some((arm, _)) = default {
[INFO] [stdout]     |                     ~~~~~~~~~~~~        ~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `Command { std: "docker" "inspect" "393141bbef2fb67a0a8a5cdb17a905aef49dfbd68c5a9e774b499f0a891908b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "393141bbef2fb67a0a8a5cdb17a905aef49dfbd68c5a9e774b499f0a891908b8", kill_on_drop: false }`
[INFO] [stdout] 393141bbef2fb67a0a8a5cdb17a905aef49dfbd68c5a9e774b499f0a891908b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Zrandomize-layout" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 643e42ad0f2f3a9d40500840db198e8be793034f99479cebe1b22f6f10491de2
[INFO] running `Command { std: "docker" "start" "-a" "643e42ad0f2f3a9d40500840db198e8be793034f99479cebe1b22f6f10491de2", 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)]` 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(()),
[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 |                 while let Some(label) = default {
[INFO] [stderr]     |                 ~~~~~~~~~~~~~~~     ~~~
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]     |
[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 |                     while let Some((arm, _)) = default {
[INFO] [stderr]     |                     ~~~~~~~~~~~~~~~        ~~~
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]     |
[INFO] [stderr] 326 |                     if let Some((arm, _)) = default {
[INFO] [stderr]     |                     ~~~~~~~~~~~~        ~~~
[INFO] [stderr] 
[INFO] [stderr] warning: `webml` (lib) generated 4 warnings
[INFO] [stderr] warning: `webml` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/webml-7413ac178c884f5b)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test parser::test_expr_infix_and_app ... ok
[INFO] [stdout] test parser::test_expr_infix_and_app2 ... 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-5d33fcf16627f63f)
[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-3378ee1764150181)
[INFO] [stdout] 
[INFO] [stdout] running 64 tests
[INFO] [stdout] test tests::compile::test_compile_fail ... ok
[INFO] [stdout] test tests::compile::test_compile_pass ... ok
[INFO] [stdout] test tests::parser::pares_comment ... ok
[INFO] [stdout] test tests::parser::parse_apply ... ok
[INFO] [stdout] test tests::parser::parse_andalso ... ok
[INFO] [stdout] test tests::parser::parse_apply_tuple ... ok
[INFO] [stdout] test tests::parser::parse_binop ... ok
[INFO] [stdout] test tests::parser::parse_andalso_orelse ... ok
[INFO] [stdout] test tests::parser::parse_binop_mixed_assoc ... ok
[INFO] [stdout] test tests::parser::parse_binop_assoc ... ok
[INFO] [stdout] test tests::parser::parse_binop_pref ... 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_bool_true ... ok
[INFO] [stdout] test tests::parser::parse_binopr ... ok
[INFO] [stdout] test tests::parser::parse_binopr_assoc ... ok
[INFO] [stdout] test tests::parser::parse_builtincall ... 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_case_int ... ok
[INFO] [stdout] test tests::parser::parse_case_val_pattern_wildcard ... ok
[INFO] [stdout] test tests::parser::parse_case_bool ... ok
[INFO] [stdout] test tests::parser::parse_case_tuple ... ok
[INFO] [stdout] test tests::parser::parse_datatype_arg1 ... ok
[INFO] [stdout] test tests::parser::parse_char ... ok
[INFO] [stdout] test tests::parser::parse_case_var ... ok
[INFO] [stdout] test tests::parser::parse_datatype_arg2 ... ok
[INFO] [stdout] test tests::parser::parse_case_wildcard ... ok
[INFO] [stdout] test tests::parser::parse_datatype_multi ... ok
[INFO] [stdout] test tests::parser::parse_datatype_single ... ok
[INFO] [stdout] test tests::parser::parse_datatype_primlike ... ok
[INFO] [stdout] test tests::parser::parse_datatype_tuple ... ok
[INFO] [stdout] test tests::parser::parse_datatype_arg3 ... ok
[INFO] [stdout] test tests::parser::parse_float ... ok
[INFO] [stdout] test tests::parser::parse_fn_unary ... ok
[INFO] [stdout] test tests::parser::parse_fun_multiclause ... ok
[INFO] [stdout] test tests::parser::parse_externcall ... 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_fun_multiclause_different_fnname ... ok
[INFO] [stdout] test tests::parser::parse_langitem ... ok
[INFO] [stdout] test tests::parser::parse_fun_pattern ... ok
[INFO] [stdout] test tests::parser::parse_int ... ok
[INFO] [stdout] test tests::parser::parse_let_seq ... ok
[INFO] [stdout] test tests::parser::parse_if ... ok
[INFO] [stdout] test tests::parser::parse_let ... ok
[INFO] [stdout] test tests::parser::parse_multistatement_val_datatype ... ok
[INFO] [stdout] test tests::parser::parse_funarg_pattern ... ok
[INFO] [stdout] test tests::parser::parse_pattern_unit ... ok
[INFO] [stdout] test tests::parser::parse_op ... ok
[INFO] [stdout] test tests::parser::parse_local ... ok
[INFO] [stdout] test tests::parser::parse_orelse ... ok
[INFO] [stdout] test tests::parser::parse_nofix ... ok
[INFO] [stdout] test tests::parser::parse_string ... ok
[INFO] [stdout] test tests::parser::parse_toplevel_expr ... ok
[INFO] [stdout] test tests::parser::parse_val ... ok
[INFO] [stdout] test tests::parser::parse_tuple ... ok
[INFO] [stdout] test tests::parser::parse_seq ... ok
[INFO] [stdout] test tests::parser::parse_val_seq ... ok
[INFO] [stdout] test tests::parser::parse_unit ... ok
[INFO] [stdout] test tests::parser::parse_while ... ok
[INFO] [stdout] test tests::parser::parse_val_seq_semi ... ok
[INFO] [stderr] 
[INFO] [stderr] thread 'tests::compile::examples_compile_pass' has overflowed its stack
[INFO] [stderr] fatal runtime error: stack overflow
[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-3378ee1764150181` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "643e42ad0f2f3a9d40500840db198e8be793034f99479cebe1b22f6f10491de2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "643e42ad0f2f3a9d40500840db198e8be793034f99479cebe1b22f6f10491de2", kill_on_drop: false }`
[INFO] [stdout] 643e42ad0f2f3a9d40500840db198e8be793034f99479cebe1b22f6f10491de2
