[INFO] fetching crate jsondiff_rs 0.1.0...
[INFO] checking jsondiff_rs-0.1.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate jsondiff_rs 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate jsondiff_rs 0.1.0
[INFO] finished tweaking crates.io crate jsondiff_rs 0.1.0
[INFO] tweaked toml for crates.io crate jsondiff_rs 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate jsondiff_rs 0.1.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fc702f32b1bf0a02f3e21f2344155e10e14f2b45429e3bfb7abccc917836d66
[INFO] running `Command { std: "docker" "start" "-a" "6fc702f32b1bf0a02f3e21f2344155e10e14f2b45429e3bfb7abccc917836d66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fc702f32b1bf0a02f3e21f2344155e10e14f2b45429e3bfb7abccc917836d66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fc702f32b1bf0a02f3e21f2344155e10e14f2b45429e3bfb7abccc917836d66", kill_on_drop: false }`
[INFO] [stdout] 6fc702f32b1bf0a02f3e21f2344155e10e14f2b45429e3bfb7abccc917836d66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ad04a663b19c66023eab4c75eb848603d2918b6b26a7bee4ad5b9f030004c2b
[INFO] running `Command { std: "docker" "start" "-a" "4ad04a663b19c66023eab4c75eb848603d2918b6b26a7bee4ad5b9f030004c2b", kill_on_drop: false }`
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking serde_json v1.0.143
[INFO] [stderr]     Checking jsondiff_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `read_json_file` is never used
[INFO] [stdout]   --> src/lib.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn read_json_file<P: AsRef<std::path::Path>>(path: P) -> Result<Value> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_json_file` is never used
[INFO] [stdout]   --> src/lib.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn read_json_file<P: AsRef<std::path::Path>>(path: P) -> Result<Value> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Simple` is never constructed
[INFO] [stdout]    --> src/lib.rs:273:5
[INFO] [stdout]     |
[INFO] [stdout] 272 | enum ArrDiffMethod {
[INFO] [stdout]     |      ------------- variant in this enum
[INFO] [stdout] 273 |     Simple,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Simple` is never constructed
[INFO] [stdout]    --> src/lib.rs:273:5
[INFO] [stdout]     |
[INFO] [stdout] 272 | enum ArrDiffMethod {
[INFO] [stdout]     |      ------------- variant in this enum
[INFO] [stdout] 273 |     Simple,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `diff_json_simple` is never used
[INFO] [stdout]    --> src/lib.rs:309:4
[INFO] [stdout]     |
[INFO] [stdout] 309 | fn diff_json_simple(json0: &str, json1: &str) -> Result<Vec<DiffElem>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `diff_json_simple` is never used
[INFO] [stdout]    --> src/lib.rs:309:4
[INFO] [stdout]     |
[INFO] [stdout] 309 | fn diff_json_simple(json0: &str, json1: &str) -> Result<Vec<DiffElem>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.80s
[INFO] running `Command { std: "docker" "inspect" "4ad04a663b19c66023eab4c75eb848603d2918b6b26a7bee4ad5b9f030004c2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ad04a663b19c66023eab4c75eb848603d2918b6b26a7bee4ad5b9f030004c2b", kill_on_drop: false }`
[INFO] [stdout] 4ad04a663b19c66023eab4c75eb848603d2918b6b26a7bee4ad5b9f030004c2b