[INFO] fetching crate jsonc 0.1.0...
[INFO] testing jsonc-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate jsonc 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate jsonc 0.1.0
[INFO] finished tweaking crates.io crate jsonc 0.1.0
[INFO] tweaked toml for crates.io crate jsonc 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate jsonc 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate jsonc 0.1.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9736a48afbc29b3a5fc5f5447b0587c0a0e4cf43980c6d31ec7c9993d29c443
[INFO] running `Command { std: "docker" "start" "-a" "e9736a48afbc29b3a5fc5f5447b0587c0a0e4cf43980c6d31ec7c9993d29c443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9736a48afbc29b3a5fc5f5447b0587c0a0e4cf43980c6d31ec7c9993d29c443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9736a48afbc29b3a5fc5f5447b0587c0a0e4cf43980c6d31ec7c9993d29c443", kill_on_drop: false }`
[INFO] [stdout] e9736a48afbc29b3a5fc5f5447b0587c0a0e4cf43980c6d31ec7c9993d29c443
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 940015e7bdbcf461db988dd98c81e5d6d84a7672d85ed45ee8d6e950c4e83208
[INFO] running `Command { std: "docker" "start" "-a" "940015e7bdbcf461db988dd98c81e5d6d84a7672d85ed45ee8d6e950c4e83208", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling serde_core v1.0.223
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling serde v1.0.223
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.223
[INFO] [stderr]    Compiling jsonc-parser v0.26.3
[INFO] [stderr]    Compiling jsonc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.96s
[INFO] running `Command { std: "docker" "inspect" "940015e7bdbcf461db988dd98c81e5d6d84a7672d85ed45ee8d6e950c4e83208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "940015e7bdbcf461db988dd98c81e5d6d84a7672d85ed45ee8d6e950c4e83208", kill_on_drop: false }`
[INFO] [stdout] 940015e7bdbcf461db988dd98c81e5d6d84a7672d85ed45ee8d6e950c4e83208
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0115eb6bf57783fbd1ec6936fd227d04f587851dd0954fbcc388e8ac41adb864
[INFO] running `Command { std: "docker" "start" "-a" "0115eb6bf57783fbd1ec6936fd227d04f587851dd0954fbcc388e8ac41adb864", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling tempfile v3.22.0
[INFO] [stderr]    Compiling jsonc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `line_num`
[INFO] [stdout]    --> src/jsonc_document.rs:581:28
[INFO] [stdout]     |
[INFO] [stdout] 581 |         } else if let Some(line_num) = first_difference {
[INFO] [stdout]     |                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line_num`
[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 6.09s
[INFO] running `Command { std: "docker" "inspect" "0115eb6bf57783fbd1ec6936fd227d04f587851dd0954fbcc388e8ac41adb864", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0115eb6bf57783fbd1ec6936fd227d04f587851dd0954fbcc388e8ac41adb864", kill_on_drop: false }`
[INFO] [stdout] 0115eb6bf57783fbd1ec6936fd227d04f587851dd0954fbcc388e8ac41adb864
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d9e5d57d6d63c93f235811e7b5629c780cc24a5c6f99163bf2143e44cf37159e
[INFO] running `Command { std: "docker" "start" "-a" "d9e5d57d6d63c93f235811e7b5629c780cc24a5c6f99163bf2143e44cf37159e", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `line_num`
[INFO] [stderr]    --> src/jsonc_document.rs:581:28
[INFO] [stderr]     |
[INFO] [stderr] 581 |         } else if let Some(line_num) = first_difference {
[INFO] [stderr]     |                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line_num`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `jsonc` (lib test) generated 1 warning (run `cargo fix --lib -p jsonc --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/jsonc-1d04ab2c21d53c81)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test jsonc_document::test_jsonc_document::test_empty_and_special_values ... ok
[INFO] [stdout] test jsonc_document::test_jsonc_document::test_complex_diff_and_merge ... ok
[INFO] [stdout] test jsonc_document::test_jsonc_document::test_exact_whitespace_preservation ... ok
[INFO] [stdout] test jsonc_document::test_jsonc_document::test_preserve_trailing_commas ... ok
[INFO] [stdout] test jsonc_document::test_jsonc_document::test_parse_and_get ... ok
[INFO] [stdout] test jsonc_document::test_jsonc_document::test_structural_change_preserves_format ... ok
[INFO] [stdout] test jsonc_document::test_jsonc_document::test_preserve_comments ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jsonc
[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" "d9e5d57d6d63c93f235811e7b5629c780cc24a5c6f99163bf2143e44cf37159e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9e5d57d6d63c93f235811e7b5629c780cc24a5c6f99163bf2143e44cf37159e", kill_on_drop: false }`
[INFO] [stdout] d9e5d57d6d63c93f235811e7b5629c780cc24a5c6f99163bf2143e44cf37159e