[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] checking ityuany/json-miette-demo against try#0f31acebf540c89e4a4d5d114959fe91973419cb for pr-147017
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fityuany%2Fjson-miette-demo" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ityuany/json-miette-demo on toolchain 0f31acebf540c89e4a4d5d114959fe91973419cb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f31acebf540c89e4a4d5d114959fe91973419cb" "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" "+0f31acebf540c89e4a4d5d114959fe91973419cb" "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-color v3.0.2
[INFO] [stderr]   Downloaded countme v3.0.1
[INFO] [stderr]   Downloaded drop_bomb v0.1.5
[INFO] [stderr]   Downloaded unicode-bom v2.0.3
[INFO] [stderr]   Downloaded miette v7.5.0
[INFO] [stderr]   Downloaded bpaf v0.9.19
[INFO] [stderr]   Downloaded owo-colors v4.2.0
[INFO] [stderr]   Downloaded supports-unicode v3.0.0
[INFO] [stderr]   Downloaded miette-derive v7.5.0
[INFO] [stderr]   Downloaded json-strip-comments v1.0.4
[INFO] [stderr]   Downloaded is_ci v1.2.0
[INFO] [stderr]   Downloaded supports-hyperlinks v3.1.0
[INFO] [stderr]   Downloaded bpaf_derive v0.5.17
[INFO] [stderr]   Downloaded terminal_size v0.4.2
[INFO] [stderr]   Downloaded oxc_resolver v1.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+0f31acebf540c89e4a4d5d114959fe91973419cb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b442de020dcf93300d333658531b4dc3d0d323e07be20661c176b49f593fc3c2
[INFO] running `Command { std: "docker" "start" "-a" "b442de020dcf93300d333658531b4dc3d0d323e07be20661c176b49f593fc3c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b442de020dcf93300d333658531b4dc3d0d323e07be20661c176b49f593fc3c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b442de020dcf93300d333658531b4dc3d0d323e07be20661c176b49f593fc3c2", kill_on_drop: false }`
[INFO] [stdout] b442de020dcf93300d333658531b4dc3d0d323e07be20661c176b49f593fc3c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+0f31acebf540c89e4a4d5d114959fe91973419cb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ed9319e35e89f08d068b761eb89e3e74969236d3c319f035b02c354c8a3397b
[INFO] running `Command { std: "docker" "start" "-a" "8ed9319e35e89f08d068b761eb89e3e74969236d3c319f035b02c354c8a3397b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking countme v3.0.1
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling memoffset v0.8.0
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[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
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[INFO] [stderr]     Checking smallvec v1.15.0
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[INFO] [stderr]     Checking bitflags v2.9.0
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[INFO] [stderr]    Compiling biome_diagnostics_categories v0.5.7 (https://github.com/biomejs/biome.git?tag=biome_json_parser%2Fv0.5.7#86024a5f)
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[INFO] [stderr]    Compiling semver v1.0.26
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[INFO] [stderr]     Checking backtrace v0.3.74
[INFO] [stderr]    Compiling biome_markup v0.5.7 (https://github.com/biomejs/biome.git?tag=biome_json_parser%2Fv0.5.7#86024a5f)
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[INFO] [stderr]     Checking biome_json_syntax v0.5.7 (https://github.com/biomejs/biome.git?tag=biome_json_parser%2Fv0.5.7#86024a5f)
[INFO] [stderr]     Checking biome_json_syntax v0.5.7 (https://github.com/biomejs/biome.git?tag=biome_json_syntax%2Fv0.5.7#86024a5f)
[INFO] [stderr]     Checking biome_json_factory v0.5.7 (https://github.com/biomejs/biome.git?tag=biome_json_parser%2Fv0.5.7#86024a5f)
[INFO] [stderr]     Checking oxc_resolver v1.12.0
[INFO] [stderr]     Checking biome_console v0.5.7 (https://github.com/biomejs/biome.git?tag=biome_json_parser%2Fv0.5.7#86024a5f)
[INFO] [stderr]     Checking biome_diagnostics v0.5.7 (https://github.com/biomejs/biome.git?tag=biome_json_parser%2Fv0.5.7#86024a5f)
[INFO] [stderr]     Checking biome_parser v0.5.7 (https://github.com/biomejs/biome.git?tag=biome_json_parser%2Fv0.5.7#86024a5f)
[INFO] [stderr]     Checking biome_json_parser v0.5.7 (https://github.com/biomejs/biome.git?tag=biome_json_parser%2Fv0.5.7#86024a5f)
[INFO] [stderr]     Checking 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] [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 27.66s
[INFO] running `Command { std: "docker" "inspect" "8ed9319e35e89f08d068b761eb89e3e74969236d3c319f035b02c354c8a3397b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ed9319e35e89f08d068b761eb89e3e74969236d3c319f035b02c354c8a3397b", kill_on_drop: false }`
[INFO] [stdout] 8ed9319e35e89f08d068b761eb89e3e74969236d3c319f035b02c354c8a3397b