[INFO] cloning repository https://github.com/romnn/serde_json_merge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/romnn/serde_json_merge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromnn%2Fserde_json_merge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromnn%2Fserde_json_merge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 22ff6edd2bd3a54e6c17b2c01b7bf141184d84b8
[INFO] checking romnn/serde_json_merge against master#9bfa31f632912180dc742809bcc51a97f2d7079d for pr-140151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromnn%2Fserde_json_merge" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/romnn/serde_json_merge on toolchain 9bfa31f632912180dc742809bcc51a97f2d7079d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/romnn/serde_json_merge
[INFO] finished tweaking git repo https://github.com/romnn/serde_json_merge
[INFO] tweaked toml for git repo https://github.com/romnn/serde_json_merge written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/romnn/serde_json_merge 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" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded par-dfs v0.0.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bae2787912f5c8497c5656b1dddf03c4c49aa06e5bd074ada10b383ec62b32b
[INFO] running `Command { std: "docker" "start" "-a" "0bae2787912f5c8497c5656b1dddf03c4c49aa06e5bd074ada10b383ec62b32b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bae2787912f5c8497c5656b1dddf03c4c49aa06e5bd074ada10b383ec62b32b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bae2787912f5c8497c5656b1dddf03c4c49aa06e5bd074ada10b383ec62b32b", kill_on_drop: false }`
[INFO] [stdout] 0bae2787912f5c8497c5656b1dddf03c4c49aa06e5bd074ada10b383ec62b32b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9364d8a63ca82649928c6eab52fe19938a8bbba03a029d50dc07d5b4bde563a3
[INFO] running `Command { std: "docker" "start" "-a" "9364d8a63ca82649928c6eab52fe19938a8bbba03a029d50dc07d5b4bde563a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]    Compiling serde_json v1.0.134
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking itoa v1.0.14
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking indexmap v2.7.0
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]     Checking bit-vec v0.8.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking clap_builder v4.5.23
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]    Compiling syn v2.0.93
[INFO] [stderr]     Checking bit-set v0.8.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking oorandom v11.1.4
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking is-terminal v0.4.13
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking clap v4.5.23
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking pretty_assertions v1.4.1
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]     Checking fancy-regex v0.14.0
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking serde_json_merge v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]   --> src/merge/union.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]   --> src/merge/union.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]   --> src/merge/union.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` has no effect when applied to a provided trait method
[INFO] [stdout]   --> src/merge/union.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     #[must_use]
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.05s
[INFO] running `Command { std: "docker" "inspect" "9364d8a63ca82649928c6eab52fe19938a8bbba03a029d50dc07d5b4bde563a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9364d8a63ca82649928c6eab52fe19938a8bbba03a029d50dc07d5b4bde563a3", kill_on_drop: false }`
[INFO] [stdout] 9364d8a63ca82649928c6eab52fe19938a8bbba03a029d50dc07d5b4bde563a3
