[INFO] updating cached repository https://github.com/shapled/rust-json-parser-practise [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] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] c8ba1899e7c1a2511f9ac75b06947ae3a9006f83 [INFO] checking shapled/rust-json-parser-practise against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshapled%2Frust-json-parser-practise" "/workspace/builds/worker-0/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/shapled/rust-json-parser-practise on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/shapled/rust-json-parser-practise [INFO] finished tweaking git repo https://github.com/shapled/rust-json-parser-practise [INFO] tweaked toml for git repo https://github.com/shapled/rust-json-parser-practise written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/shapled/rust-json-parser-practise already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"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" "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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] c201f1d981c2a72df460d876d9fe30cad5fd38e287adaadf1d3f12b1b92ab23c [INFO] running `"docker" "start" "-a" "c201f1d981c2a72df460d876d9fe30cad5fd38e287adaadf1d3f12b1b92ab23c"` [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.8 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking arrayvec v0.4.12 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling nom v5.0.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling lexical-core v0.4.6 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling pest_generator v2.1.1 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Checking rust-json-parser-practise v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `pest::Parser` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use pest::Parser; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `nom_json::root` [INFO] [stderr] --> src/main.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use nom_json::root; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `JsonParser` [INFO] [stderr] --> src/main.rs:11:8 [INFO] [stderr] | [INFO] [stderr] 11 | struct JsonParser; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `is_string_character` [INFO] [stderr] --> src/nom_json.rs:5:4 [INFO] [stderr] | [INFO] [stderr] 5 | fn is_string_character(c: u8) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Str` [INFO] [stderr] --> src/nom_json.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | Str(String), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Boolean` [INFO] [stderr] --> src/nom_json.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | Boolean(bool), [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Num` [INFO] [stderr] --> src/nom_json.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | Num(f64), [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Array` [INFO] [stderr] --> src/nom_json.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | Array(Vec), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Object` [INFO] [stderr] --> src/nom_json.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | Object(HashMap), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Null` [INFO] [stderr] --> src/nom_json.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | Null, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 32.44s [INFO] running `"docker" "inspect" "c201f1d981c2a72df460d876d9fe30cad5fd38e287adaadf1d3f12b1b92ab23c"` [INFO] running `"docker" "rm" "-f" "c201f1d981c2a72df460d876d9fe30cad5fd38e287adaadf1d3f12b1b92ab23c"` [INFO] [stdout] c201f1d981c2a72df460d876d9fe30cad5fd38e287adaadf1d3f12b1b92ab23c