[INFO] cloning repository https://github.com/ityuany/json-miette-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ityuany/json-miette-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fityuany%2Fjson-miette-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fityuany%2Fjson-miette-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64219ce53fad6fe30f14b46345046e61aa64197f
[INFO] testing ityuany/json-miette-demo/64219ce53fad6fe30f14b46345046e61aa64197f 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%2Fityuany%2Fjson-miette-demo" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ityuany/json-miette-demo
[INFO] finished tweaking git repo https://github.com/ityuany/json-miette-demo
[INFO] tweaked toml for git repo https://github.com/ityuany/json-miette-demo written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ityuany/json-miette-demo 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/ityuany/json-miette-demo 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git submodule `https://github.com/microsoft/Typescript`
[ERROR] error running command: no output for 300 seconds
[INFO] testing ityuany/json-miette-demo/64219ce53fad6fe30f14b46345046e61aa64197f 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%2Fityuany%2Fjson-miette-demo" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ityuany/json-miette-demo
[INFO] finished tweaking git repo https://github.com/ityuany/json-miette-demo
[INFO] tweaked toml for git repo https://github.com/ityuany/json-miette-demo written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ityuany/json-miette-demo 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/ityuany/json-miette-demo 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git submodule `https://github.com/microsoft/Typescript`
[INFO] [stderr]     Updating git submodule `https://github.com/babel/babel`
[INFO] [stderr]     Updating git submodule `https://github.com/tc39/test262.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded supports-hyperlinks v3.1.0
[INFO] [stderr]   Downloaded terminal_size v0.4.2
[INFO] [stderr]   Downloaded is_ci v1.2.0
[INFO] [stderr]   Downloaded supports-color v3.0.2
[INFO] [stderr]   Downloaded supports-unicode v3.0.0
[INFO] [stderr]   Downloaded owo-colors v4.2.0
[INFO] [stderr]   Downloaded backtrace-ext v0.2.1
[INFO] [stderr]   Downloaded drop_bomb v0.1.5
[INFO] [stderr]   Downloaded miette-derive v7.5.0
[INFO] [stderr]   Downloaded unicode-bom v2.0.3
[INFO] [stderr]   Downloaded json-strip-comments v1.0.4
[INFO] [stderr]   Downloaded schemars_derive v0.8.22
[INFO] [stderr]   Downloaded bpaf_derive v0.5.17
[INFO] [stderr]   Downloaded miette v7.5.0
[INFO] [stderr]   Downloaded schemars v0.8.22
[INFO] [stderr]   Downloaded oxc_resolver v1.12.0
[INFO] [stderr]   Downloaded bpaf v0.9.19
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32a91edd9b6779d66c8dbea24d09bff91a7cccb94f6a6329cba01fccc5ebb324
[INFO] running `Command { std: "docker" "start" "-a" "32a91edd9b6779d66c8dbea24d09bff91a7cccb94f6a6329cba01fccc5ebb324", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32a91edd9b6779d66c8dbea24d09bff91a7cccb94f6a6329cba01fccc5ebb324", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32a91edd9b6779d66c8dbea24d09bff91a7cccb94f6a6329cba01fccc5ebb324", kill_on_drop: false }`
[INFO] [stdout] 32a91edd9b6779d66c8dbea24d09bff91a7cccb94f6a6329cba01fccc5ebb324
[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=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] 351dbca3d39431d0ed9927500b128dc1c368df99b78b26a3024a8520072ecadb
[INFO] running `Command { std: "docker" "start" "-a" "351dbca3d39431d0ed9927500b128dc1c368df99b78b26a3024a8520072ecadb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling countme v3.0.1
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling miniz_oxide v0.8.8
[INFO] [stderr]    Compiling similar v2.7.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling schemars v0.8.22
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling biome_diagnostics_categories v0.5.7 (https://github.com/biomejs/biome.git?tag=biome_json_parser%2Fv0.5.7#86024a5f)
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling dyn-clone v1.0.19
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling dashmap v6.1.0
[INFO] [stderr]    Compiling biome_markup v0.5.7 (https://github.com/biomejs/biome.git?tag=biome_json_parser%2Fv0.5.7#86024a5f)
[INFO] [stderr]    Compiling json-strip-comments v1.0.4
[INFO] [stderr]    Compiling rustix v1.0.5
[INFO] [stderr]    Compiling dunce v1.0.5
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling owo-colors v4.2.0
[INFO] [stderr]    Compiling unicode-width v0.2.0
[INFO] [stderr]    Compiling is_ci v1.2.0
[INFO] [stderr]    Compiling drop_bomb v0.1.5
[INFO] [stderr]    Compiling unicode-linebreak v0.1.5
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling textwrap v0.16.2
[INFO] [stderr]    Compiling supports-color v3.0.2
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling biome_unicode_table v0.5.7 (https://github.com/biomejs/biome.git?tag=biome_json_parser%2Fv0.5.7#86024a5f)
[INFO] [stderr]    Compiling supports-hyperlinks v3.1.0
[INFO] [stderr]    Compiling unicode-bom v2.0.3
[INFO] [stderr]    Compiling supports-unicode v3.0.0
[INFO] [stderr]    Compiling terminal_size v0.4.2
[INFO] [stderr]    Compiling biome_diagnostics_macros v0.5.7 (https://github.com/biomejs/biome.git?tag=biome_json_parser%2Fv0.5.7#86024a5f)
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling bpaf_derive v0.5.17
[INFO] [stderr]    Compiling miette-derive v7.5.0
[INFO] [stderr]    Compiling schemars_derive v0.8.22
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling backtrace v0.3.74
[INFO] [stderr]    Compiling bpaf v0.9.19
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling backtrace-ext v0.2.1
[INFO] [stderr]    Compiling miette v7.5.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling biome_text_size v0.5.7 (https://github.com/biomejs/biome.git?tag=biome_json_parser%2Fv0.5.7#86024a5f)
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling biome_text_size v0.5.7 (https://github.com/biomejs/biome.git?tag=biome_json_syntax%2Fv0.5.7#86024a5f)
[INFO] [stderr]    Compiling biome_text_edit v0.5.7 (https://github.com/biomejs/biome.git?tag=biome_json_syntax%2Fv0.5.7#86024a5f)
[INFO] [stderr]    Compiling biome_text_edit v0.5.7 (https://github.com/biomejs/biome.git?tag=biome_json_parser%2Fv0.5.7#86024a5f)
[INFO] [stderr]    Compiling biome_rowan v0.5.7 (https://github.com/biomejs/biome.git?tag=biome_json_syntax%2Fv0.5.7#86024a5f)
[INFO] [stderr]    Compiling biome_rowan v0.5.7 (https://github.com/biomejs/biome.git?tag=biome_json_parser%2Fv0.5.7#86024a5f)
[INFO] [stderr]    Compiling biome_json_syntax v0.5.7 (https://github.com/biomejs/biome.git?tag=biome_json_parser%2Fv0.5.7#86024a5f)
[INFO] [stderr]    Compiling biome_json_syntax v0.5.7 (https://github.com/biomejs/biome.git?tag=biome_json_syntax%2Fv0.5.7#86024a5f)
[INFO] [stderr]    Compiling oxc_resolver v1.12.0
[INFO] [stderr]    Compiling biome_json_factory v0.5.7 (https://github.com/biomejs/biome.git?tag=biome_json_parser%2Fv0.5.7#86024a5f)
[INFO] [stderr]    Compiling biome_console v0.5.7 (https://github.com/biomejs/biome.git?tag=biome_json_parser%2Fv0.5.7#86024a5f)
[INFO] [stderr]    Compiling biome_diagnostics v0.5.7 (https://github.com/biomejs/biome.git?tag=biome_json_parser%2Fv0.5.7#86024a5f)
[INFO] [stderr]    Compiling biome_parser v0.5.7 (https://github.com/biomejs/biome.git?tag=biome_json_parser%2Fv0.5.7#86024a5f)
[INFO] [stderr]    Compiling biome_json_parser v0.5.7 (https://github.com/biomejs/biome.git?tag=biome_json_parser%2Fv0.5.7#86024a5f)
[INFO] [stderr]    Compiling json-miette-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/main.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |             let value = member.value().ok().unwrap();
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "351dbca3d39431d0ed9927500b128dc1c368df99b78b26a3024a8520072ecadb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "351dbca3d39431d0ed9927500b128dc1c368df99b78b26a3024a8520072ecadb", kill_on_drop: false }`
[INFO] [stdout] 351dbca3d39431d0ed9927500b128dc1c368df99b78b26a3024a8520072ecadb
[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=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] 70abba8a34bc79a805001696c5a36a094e8e7288247104d5f8f65635f91736d0
[INFO] running `Command { std: "docker" "start" "-a" "70abba8a34bc79a805001696c5a36a094e8e7288247104d5f8f65635f91736d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling json-miette-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/main.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |             let value = member.value().ok().unwrap();
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "70abba8a34bc79a805001696c5a36a094e8e7288247104d5f8f65635f91736d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70abba8a34bc79a805001696c5a36a094e8e7288247104d5f8f65635f91736d0", kill_on_drop: false }`
[INFO] [stdout] 70abba8a34bc79a805001696c5a36a094e8e7288247104d5f8f65635f91736d0
[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=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] 2fefe290ddeca44c115c5fddadaa8c275cdaa1fd1ac7b4096dcf8c1f4f36431f
[INFO] running `Command { std: "docker" "start" "-a" "2fefe290ddeca44c115c5fddadaa8c275cdaa1fd1ac7b4096dcf8c1f4f36431f", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/main.rs:40:17
[INFO] [stderr]    |
[INFO] [stderr] 40 |             let value = member.value().ok().unwrap();
[INFO] [stderr]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `json-miette-demo` (bin "json-miette-demo" test) generated 1 warning (run `cargo fix --bin "json-miette-demo" -p json-miette-demo --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/json_miette_demo-159e0e8bc22e228d)
[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] running `Command { std: "docker" "inspect" "2fefe290ddeca44c115c5fddadaa8c275cdaa1fd1ac7b4096dcf8c1f4f36431f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fefe290ddeca44c115c5fddadaa8c275cdaa1fd1ac7b4096dcf8c1f4f36431f", kill_on_drop: false }`
[INFO] [stdout] 2fefe290ddeca44c115c5fddadaa8c275cdaa1fd1ac7b4096dcf8c1f4f36431f
