[INFO] cloning repository https://github.com/jit-y/diff_json
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jit-y/diff_json" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjit-y%2Fdiff_json", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjit-y%2Fdiff_json'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 71764bdfc8d7f81964338b529e508948d93029d0
[INFO] checking jit-y/diff_json against master#249cb84316401daf040832cdbb8a45e0f5ab6af8 for pr-138438
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjit-y%2Fdiff_json" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jit-y/diff_json on toolchain 249cb84316401daf040832cdbb8a45e0f5ab6af8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+249cb84316401daf040832cdbb8a45e0f5ab6af8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jit-y/diff_json
[INFO] finished tweaking git repo https://github.com/jit-y/diff_json
[INFO] tweaked toml for git repo https://github.com/jit-y/diff_json written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jit-y/diff_json 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" "+249cb84316401daf040832cdbb8a45e0f5ab6af8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+249cb84316401daf040832cdbb8a45e0f5ab6af8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7683d5b8ffcf0ee7436f3fc2b9cbb7921f59b55e1409c5bdfb046567a2f8eb7f
[INFO] running `Command { std: "docker" "start" "-a" "7683d5b8ffcf0ee7436f3fc2b9cbb7921f59b55e1409c5bdfb046567a2f8eb7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7683d5b8ffcf0ee7436f3fc2b9cbb7921f59b55e1409c5bdfb046567a2f8eb7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7683d5b8ffcf0ee7436f3fc2b9cbb7921f59b55e1409c5bdfb046567a2f8eb7f", kill_on_drop: false }`
[INFO] [stdout] 7683d5b8ffcf0ee7436f3fc2b9cbb7921f59b55e1409c5bdfb046567a2f8eb7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+249cb84316401daf040832cdbb8a45e0f5ab6af8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc70b8e770e092218f1e75b7b4baeac8c2f2c8a060e1d8a3923e7b2d1168ad06
[INFO] running `Command { std: "docker" "start" "-a" "bc70b8e770e092218f1e75b7b4baeac8c2f2c8a060e1d8a3923e7b2d1168ad06", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking serde v1.0.27
[INFO] [stderr]     Checking num-traits v0.1.41
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking difference v1.0.0
[INFO] [stderr]     Checking serde_json v1.0.9
[INFO] [stderr]     Checking diff_json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `JSONPrettier` is never constructed
[INFO] [stdout]  --> src/prettier.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct JSONPrettier {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `to_pretty` is never used
[INFO] [stdout]  --> src/prettier.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl JSONPrettier {
[INFO] [stdout]   | ----------------- associated function in this implementation
[INFO] [stdout] 9 |     pub fn to_pretty() {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `JSONPrettier` is never constructed
[INFO] [stdout]  --> src/prettier.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct JSONPrettier {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `to_pretty` is never used
[INFO] [stdout]  --> src/prettier.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl JSONPrettier {
[INFO] [stdout]   | ----------------- associated function in this implementation
[INFO] [stdout] 9 |     pub fn to_pretty() {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.86s
[INFO] running `Command { std: "docker" "inspect" "bc70b8e770e092218f1e75b7b4baeac8c2f2c8a060e1d8a3923e7b2d1168ad06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc70b8e770e092218f1e75b7b4baeac8c2f2c8a060e1d8a3923e7b2d1168ad06", kill_on_drop: false }`
[INFO] [stdout] bc70b8e770e092218f1e75b7b4baeac8c2f2c8a060e1d8a3923e7b2d1168ad06