[INFO] fetching crate data-utility-belt 0.1.5... [INFO] checking data-utility-belt-0.1.5 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] extracting crate data-utility-belt 0.1.5 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate data-utility-belt 0.1.5 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate data-utility-belt 0.1.5 [INFO] finished tweaking crates.io crate data-utility-belt 0.1.5 [INFO] tweaked toml for crates.io crate data-utility-belt 0.1.5 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] edc03ecf3e43811da7d2395c07881f3616ad5d00eff6934c2150a5603bfe3883 [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" "edc03ecf3e43811da7d2395c07881f3616ad5d00eff6934c2150a5603bfe3883", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "edc03ecf3e43811da7d2395c07881f3616ad5d00eff6934c2150a5603bfe3883", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "edc03ecf3e43811da7d2395c07881f3616ad5d00eff6934c2150a5603bfe3883", kill_on_drop: false }` [INFO] [stdout] edc03ecf3e43811da7d2395c07881f3616ad5d00eff6934c2150a5603bfe3883 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d54e38aa254a1240c02edf4fcfb0fdbdf6482c3f2068dabd7d84ddb6a0671ba2 [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" "d54e38aa254a1240c02edf4fcfb0fdbdf6482c3f2068dabd7d84ddb6a0671ba2", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.116 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking serde_json v1.0.58 [INFO] [stderr] Checking data-utility-belt v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Map` [INFO] [stdout] --> src/is_different.rs:1:24 [INFO] [stdout] | [INFO] [stdout] 1 | use serde_json::{json, Map, Value}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::convert::TryFrom` [INFO] [stdout] --> src/is_different.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Map` [INFO] [stdout] --> src/is_different.rs:1:24 [INFO] [stdout] | [INFO] [stdout] 1 | use serde_json::{json, Map, Value}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Write`, `self` [INFO] [stdout] --> src/is_different.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::convert::TryFrom` [INFO] [stdout] --> src/is_different.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Write`, `self` [INFO] [stdout] --> src/is_different.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `o_c` [INFO] [stdout] --> src/main.rs:232:13 [INFO] [stdout] | [INFO] [stdout] 232 | let o_c: Map = parsed_object_compare.as_object().unwrap().clone(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_o_c` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tmp_object_differences_pointer` [INFO] [stdout] --> src/is_different.rs:109:13 [INFO] [stdout] | [INFO] [stdout] 109 | let mut tmp_object_differences_pointer = &object_differences; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tmp_object_differences_pointer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `o_c` [INFO] [stdout] --> src/main.rs:232:13 [INFO] [stdout] | [INFO] [stdout] 232 | let o_c: Map = parsed_object_compare.as_object().unwrap().clone(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_o_c` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tmp_object_differences_pointer` [INFO] [stdout] --> src/is_different.rs:109:13 [INFO] [stdout] | [INFO] [stdout] 109 | let mut tmp_object_differences_pointer = &object_differences; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tmp_object_differences_pointer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:239:17 [INFO] [stdout] | [INFO] [stdout] 239 | let mut parent_key: Vec = Vec::new(); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:239:17 [INFO] [stdout] | [INFO] [stdout] 239 | let mut parent_key: Vec = Vec::new(); [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/is_different.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let mut pointer = &parent_pointer.to_owned(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/is_different.rs:109:13 [INFO] [stdout] | [INFO] [stdout] 109 | let mut tmp_object_differences_pointer = &object_differences; [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/is_different.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let mut pointer = &parent_pointer.to_owned(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/is_different.rs:109:13 [INFO] [stdout] | [INFO] [stdout] 109 | let mut tmp_object_differences_pointer = &object_differences; [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/is_different.rs:279:9 [INFO] [stdout] | [INFO] [stdout] 279 | let mut o = json!({ "array":[4] }); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/is_different.rs:280:9 [INFO] [stdout] | [INFO] [stdout] 280 | let mut o_c = json!({"array": [1] }); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/is_different.rs:296:9 [INFO] [stdout] | [INFO] [stdout] 296 | let mut result = json!({ [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 16.48s [INFO] running `Command { std: "docker" "inspect" "d54e38aa254a1240c02edf4fcfb0fdbdf6482c3f2068dabd7d84ddb6a0671ba2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d54e38aa254a1240c02edf4fcfb0fdbdf6482c3f2068dabd7d84ddb6a0671ba2", kill_on_drop: false }` [INFO] [stdout] d54e38aa254a1240c02edf4fcfb0fdbdf6482c3f2068dabd7d84ddb6a0671ba2