[INFO] fetching crate json_parser_kevin_wang 0.1.0... [INFO] checking json_parser_kevin_wang-0.1.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1 [INFO] extracting crate json_parser_kevin_wang 0.1.0 into /workspace/builds/worker-5-tc1/source [INFO] started tweaking crates.io crate json_parser_kevin_wang 0.1.0 [INFO] finished tweaking crates.io crate json_parser_kevin_wang 0.1.0 [INFO] tweaked toml for crates.io crate json_parser_kevin_wang 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate json_parser_kevin_wang 0.1.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate json_parser_kevin_wang 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 23e6289bca889772966a1d039ec6dd67197ac7d003c6d4f667e780b7025d0930 [INFO] running `Command { std: "docker" "start" "-a" "23e6289bca889772966a1d039ec6dd67197ac7d003c6d4f667e780b7025d0930", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "23e6289bca889772966a1d039ec6dd67197ac7d003c6d4f667e780b7025d0930", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23e6289bca889772966a1d039ec6dd67197ac7d003c6d4f667e780b7025d0930", kill_on_drop: false }` [INFO] [stdout] 23e6289bca889772966a1d039ec6dd67197ac7d003c6d4f667e780b7025d0930 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 089a8681df8f84f3d15a110534dc8d45ad8eb34d3ab88162d473bbb8f57aadc6 [INFO] running `Command { std: "docker" "start" "-a" "089a8681df8f84f3d15a110534dc8d45ad8eb34d3ab88162d473bbb8f57aadc6", kill_on_drop: false }` [INFO] [stderr] Checking json_parser_kevin_wang v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/json_parser.rs:243:26 [INFO] [stdout] | [INFO] [stdout] 243 | Some(c)=>{ [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/json_parser.rs:59:14 [INFO] [stdout] | [INFO] [stdout] 59 | Bool(bool), [INFO] [stdout] | ---- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `JSONTYPE` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 59 - Bool(bool), [INFO] [stdout] 59 + Bool(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/json_parser.rs:61:16 [INFO] [stdout] | [INFO] [stdout] 61 | Number(f64), [INFO] [stdout] | ------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `JSONTYPE` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 61 - Number(f64), [INFO] [stdout] 61 + Number(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/json_parser.rs:62:16 [INFO] [stdout] | [INFO] [stdout] 62 | Object(HashMap), [INFO] [stdout] | ------ ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `JSONTYPE` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 62 - Object(HashMap), [INFO] [stdout] 62 + Object(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/json_parser.rs:63:15 [INFO] [stdout] | [INFO] [stdout] 63 | Array(Vec), [INFO] [stdout] | ----- ^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `JSONTYPE` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 63 - Array(Vec), [INFO] [stdout] 63 + Array(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/json_parser.rs:243:26 [INFO] [stdout] | [INFO] [stdout] 243 | Some(c)=>{ [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/json_parser.rs:59:14 [INFO] [stdout] | [INFO] [stdout] 59 | Bool(bool), [INFO] [stdout] | ---- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `JSONTYPE` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 59 - Bool(bool), [INFO] [stdout] 59 + Bool(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/json_parser.rs:61:16 [INFO] [stdout] | [INFO] [stdout] 61 | Number(f64), [INFO] [stdout] | ------ ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `JSONTYPE` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 61 - Number(f64), [INFO] [stdout] 61 + Number(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/json_parser.rs:62:16 [INFO] [stdout] | [INFO] [stdout] 62 | Object(HashMap), [INFO] [stdout] | ------ ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `JSONTYPE` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 62 - Object(HashMap), [INFO] [stdout] 62 + Object(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/json_parser.rs:63:15 [INFO] [stdout] | [INFO] [stdout] 63 | Array(Vec), [INFO] [stdout] | ----- ^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `JSONTYPE` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 63 - Array(Vec), [INFO] [stdout] 63 + Array(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s [INFO] running `Command { std: "docker" "inspect" "089a8681df8f84f3d15a110534dc8d45ad8eb34d3ab88162d473bbb8f57aadc6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "089a8681df8f84f3d15a110534dc8d45ad8eb34d3ab88162d473bbb8f57aadc6", kill_on_drop: false }` [INFO] [stdout] 089a8681df8f84f3d15a110534dc8d45ad8eb34d3ab88162d473bbb8f57aadc6