[INFO] updating cached repository https://github.com/adambezecny/gdf-testing
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/adambezecny/gdf-testing
[INFO] [stderr]    a27283c..a834e63  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a834e6359cd7ab600d0544b2401bc5c820c06b08
[INFO] checking adambezecny/gdf-testing against master#d939f708d960161d23b964309ba68ff207fc0ead for pr-70087
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadambezecny%2Fgdf-testing" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adambezecny/gdf-testing on toolchain d939f708d960161d23b964309ba68ff207fc0ead
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/adambezecny/gdf-testing
[INFO] finished tweaking git repo https://github.com/adambezecny/gdf-testing
[INFO] tweaked toml for git repo https://github.com/adambezecny/gdf-testing written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/adambezecny/gdf-testing already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b7d81e988e966a44eb12fb6771f40f5bf6a4aa6fd893b5eefcb1e3395b035ad1
[INFO] running `"docker" "start" "-a" "b7d81e988e966a44eb12fb6771f40f5bf6a4aa6fd893b5eefcb1e3395b035ad1"`
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling deunicode v0.4.3
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling slug v0.1.4
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.11
[INFO] [stderr]    Compiling jmespath v0.2.0
[INFO] [stderr]    Compiling proc-macro-error v0.4.11
[INFO] [stderr]    Compiling extend v0.1.1
[INFO] [stderr]     Checking assert-json-diff v1.0.3
[INFO] [stderr]     Checking gdf_testing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `serde_json::json`
[INFO] [stderr]  --> src/json_parser.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use serde_json::json;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde_json::from_str`
[INFO] [stderr]  --> src/json_parser.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use serde_json::from_str;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/json_parser.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `assert_json_diff::assert_json_eq`
[INFO] [stderr]  --> src/json_parser.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use assert_json_diff::assert_json_eq;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/json_parser.rs:120:8
[INFO] [stderr]     |
[INFO] [stderr] 120 |     if (variable.is_object() == true) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `from_str`, `json`
[INFO] [stderr]    --> src/yaml_parser_ref.rs:299:22
[INFO] [stderr]     |
[INFO] [stderr] 299 |     use serde_json::{json, from_str};
[INFO] [stderr]     |                      ^^^^  ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/json_parser.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/json_parser.rs:120:8
[INFO] [stderr]     |
[INFO] [stderr] 120 |     if (variable.is_object() == true) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Null`
[INFO] [stderr]   --> src/json_parser.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Null,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `String`
[INFO] [stderr]   --> src/json_parser.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     String,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Number`
[INFO] [stderr]   --> src/json_parser.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Number,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Boolean`
[INFO] [stderr]   --> src/json_parser.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Boolean,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Array`
[INFO] [stderr]   --> src/json_parser.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     Array,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Object`
[INFO] [stderr]   --> src/json_parser.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     Object,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Expref`
[INFO] [stderr]   --> src/json_parser.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     Expref,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `JsonParser`
[INFO] [stderr]   --> src/json_parser.rs:73:12
[INFO] [stderr]    |
[INFO] [stderr] 73 | pub struct JsonParser<'a> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/json_parser.rs:78:3
[INFO] [stderr]    |
[INFO] [stderr] 78 |   pub fn new(json: &'a str) -> Self {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `search`
[INFO] [stderr]   --> src/json_parser.rs:84:3
[INFO] [stderr]    |
[INFO] [stderr] 84 |   pub fn search(&self, expression: &str) -> Result<Rc<Variable>, JsonParsingError> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `extract_as_string`
[INFO] [stderr]   --> src/json_parser.rs:91:3
[INFO] [stderr]    |
[INFO] [stderr] 91 |   pub fn extract_as_string(variable: &'a Rc<Variable>) -> Option<&'a str> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `extract_as_number`
[INFO] [stderr]   --> src/json_parser.rs:98:3
[INFO] [stderr]    |
[INFO] [stderr] 98 |   pub fn extract_as_number(variable: &'a Rc<Variable>) -> Option<f64> {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `extract_as_bool`
[INFO] [stderr]    --> src/json_parser.rs:105:3
[INFO] [stderr]     |
[INFO] [stderr] 105 |   pub fn extract_as_bool(variable: &'a Rc<Variable>) -> Option<bool> {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `extract_as_array`
[INFO] [stderr]    --> src/json_parser.rs:112:3
[INFO] [stderr]     |
[INFO] [stderr] 112 |   pub fn extract_as_array(variable: &'a Rc<Variable>) -> Option<Vec<Rc<Variable>>> {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `extract_as_object`
[INFO] [stderr]    --> src/json_parser.rs:119:3
[INFO] [stderr]     |
[INFO] [stderr] 119 |   pub fn extract_as_object(variable: &'a Rc<Variable>) -> Option<Rc<Variable>> {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_jmespath_var_type`
[INFO] [stderr]    --> src/json_parser.rs:127:3
[INFO] [stderr]     |
[INFO] [stderr] 127 |   pub fn get_jmespath_var_type(variable: &'a Rc<Variable>) -> Option<JmespathType> {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.75s
[INFO] running `"docker" "inspect" "b7d81e988e966a44eb12fb6771f40f5bf6a4aa6fd893b5eefcb1e3395b035ad1"`
[INFO] running `"docker" "rm" "-f" "b7d81e988e966a44eb12fb6771f40f5bf6a4aa6fd893b5eefcb1e3395b035ad1"`
[INFO] [stdout] b7d81e988e966a44eb12fb6771f40f5bf6a4aa6fd893b5eefcb1e3395b035ad1