[INFO] fetching crate data-utility-belt 0.1.5... [INFO] checking data-utility-belt-0.1.5 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579 [INFO] extracting crate data-utility-belt 0.1.5 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate data-utility-belt 0.1.5 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] babc37a3d16c1381e709c278528dca90ddb39da7622caaf9371077d8f2542766 [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" "babc37a3d16c1381e709c278528dca90ddb39da7622caaf9371077d8f2542766", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "babc37a3d16c1381e709c278528dca90ddb39da7622caaf9371077d8f2542766", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "babc37a3d16c1381e709c278528dca90ddb39da7622caaf9371077d8f2542766", kill_on_drop: false }` [INFO] [stdout] babc37a3d16c1381e709c278528dca90ddb39da7622caaf9371077d8f2542766 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d540665f601d41c2a60acfde32aade5bc10996ae5c89c093550099d2347ac9f2 [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" "d540665f601d41c2a60acfde32aade5bc10996ae5c89c093550099d2347ac9f2", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking serde_json v1.0.61 [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 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: `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 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: 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: 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/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: 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: 11 warnings emitted [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: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.79s [INFO] running `Command { std: "docker" "inspect" "d540665f601d41c2a60acfde32aade5bc10996ae5c89c093550099d2347ac9f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d540665f601d41c2a60acfde32aade5bc10996ae5c89c093550099d2347ac9f2", kill_on_drop: false }` [INFO] [stdout] d540665f601d41c2a60acfde32aade5bc10996ae5c89c093550099d2347ac9f2