[INFO] fetching crate json_dotpath 1.0.3... [INFO] checking json_dotpath-1.0.3 against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565 [INFO] extracting crate json_dotpath 1.0.3 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate json_dotpath 1.0.3 on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate json_dotpath 1.0.3 [INFO] finished tweaking crates.io crate json_dotpath 1.0.3 [INFO] tweaked toml for crates.io crate json_dotpath 1.0.3 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cb8788f7ae3a8d62585307d60ace3c92573aebf41dbf7fd51cacaf44c7db6b75 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "cb8788f7ae3a8d62585307d60ace3c92573aebf41dbf7fd51cacaf44c7db6b75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cb8788f7ae3a8d62585307d60ace3c92573aebf41dbf7fd51cacaf44c7db6b75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb8788f7ae3a8d62585307d60ace3c92573aebf41dbf7fd51cacaf44c7db6b75", kill_on_drop: false }` [INFO] [stdout] cb8788f7ae3a8d62585307d60ace3c92573aebf41dbf7fd51cacaf44c7db6b75 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 0faea5f4ac2b212ec661317d511dc985881581b14f143e8952939d7ccfa41c05 [INFO] running `Command { std: "docker" "start" "-a" "0faea5f4ac2b212ec661317d511dc985881581b14f143e8952939d7ccfa41c05", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.63 [INFO] [stderr] Compiling serde v1.0.124 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Compiling serde_derive v1.0.124 [INFO] [stderr] Checking serde_json v1.0.64 [INFO] [stderr] Checking thiserror v1.0.24 [INFO] [stderr] Checking json_dotpath v1.0.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/lib.rs:1158:10 [INFO] [stdout] | [INFO] [stdout] 1158 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/lib.rs:264:17 [INFO] [stdout] | [INFO] [stdout] 264 | mem::replace(self, new_by_path_root(path, value)?); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/lib.rs:264:17 [INFO] [stdout] | [INFO] [stdout] 264 | mem::replace(self, new_by_path_root(path, value)?); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/lib.rs:1104:9 [INFO] [stdout] | [INFO] [stdout] 1104 | std::mem::replace(m, Value::from(123)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 22.52s [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "0faea5f4ac2b212ec661317d511dc985881581b14f143e8952939d7ccfa41c05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0faea5f4ac2b212ec661317d511dc985881581b14f143e8952939d7ccfa41c05", kill_on_drop: false }` [INFO] [stdout] 0faea5f4ac2b212ec661317d511dc985881581b14f143e8952939d7ccfa41c05