[INFO] fetching crate json_parser_kevin_wang 0.1.0... [INFO] testing json_parser_kevin_wang-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7 [INFO] extracting crate json_parser_kevin_wang 0.1.0 into /workspace/builds/worker-4-tc2/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-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate json_parser_kevin_wang 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ed4ac8dc5eb53fb6ffd508d083c61cd6513b485e1ae11a7398961c71bce31ac9 [INFO] running `Command { std: "docker" "start" "-a" "ed4ac8dc5eb53fb6ffd508d083c61cd6513b485e1ae11a7398961c71bce31ac9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ed4ac8dc5eb53fb6ffd508d083c61cd6513b485e1ae11a7398961c71bce31ac9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed4ac8dc5eb53fb6ffd508d083c61cd6513b485e1ae11a7398961c71bce31ac9", kill_on_drop: false }` [INFO] [stdout] ed4ac8dc5eb53fb6ffd508d083c61cd6513b485e1ae11a7398961c71bce31ac9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 408d36dbef5ab6f29178f7c51f486777a0c3eea7c8b5d1a25ccd7152e6e27ccb [INFO] running `Command { std: "docker" "start" "-a" "408d36dbef5ab6f29178f7c51f486777a0c3eea7c8b5d1a25ccd7152e6e27ccb", kill_on_drop: false }` [INFO] [stderr] Compiling 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 0.38s [INFO] running `Command { std: "docker" "inspect" "408d36dbef5ab6f29178f7c51f486777a0c3eea7c8b5d1a25ccd7152e6e27ccb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "408d36dbef5ab6f29178f7c51f486777a0c3eea7c8b5d1a25ccd7152e6e27ccb", kill_on_drop: false }` [INFO] [stdout] 408d36dbef5ab6f29178f7c51f486777a0c3eea7c8b5d1a25ccd7152e6e27ccb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 857e0e6fe80303a37239549ef1cb119a4ec4f0e173422a8c55b8509957292245 [INFO] running `Command { std: "docker" "start" "-a" "857e0e6fe80303a37239549ef1cb119a4ec4f0e173422a8c55b8509957292245", kill_on_drop: false }` [INFO] [stderr] Compiling 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 `test` profile [unoptimized + debuginfo] target(s) in 0.26s [INFO] running `Command { std: "docker" "inspect" "857e0e6fe80303a37239549ef1cb119a4ec4f0e173422a8c55b8509957292245", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "857e0e6fe80303a37239549ef1cb119a4ec4f0e173422a8c55b8509957292245", kill_on_drop: false }` [INFO] [stdout] 857e0e6fe80303a37239549ef1cb119a4ec4f0e173422a8c55b8509957292245 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1d54a35b4231c54b18ab89a8f089764d3e6af8f77e8ef68a21122939cc777d29 [INFO] running `Command { std: "docker" "start" "-a" "1d54a35b4231c54b18ab89a8f089764d3e6af8f77e8ef68a21122939cc777d29", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> src/json_parser.rs:243:26 [INFO] [stderr] | [INFO] [stderr] 243 | Some(c)=>{ [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/json_parser.rs:59:14 [INFO] [stderr] | [INFO] [stderr] 59 | Bool(bool), [INFO] [stderr] | ---- ^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `JSONTYPE` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 59 - Bool(bool), [INFO] [stderr] 59 + Bool(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/json_parser.rs:61:16 [INFO] [stderr] | [INFO] [stderr] 61 | Number(f64), [INFO] [stderr] | ------ ^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `JSONTYPE` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 61 - Number(f64), [INFO] [stderr] 61 + Number(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/json_parser.rs:62:16 [INFO] [stderr] | [INFO] [stderr] 62 | Object(HashMap), [INFO] [stderr] | ------ ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `JSONTYPE` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 62 - Object(HashMap), [INFO] [stderr] 62 + Object(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/json_parser.rs:63:15 [INFO] [stderr] | [INFO] [stderr] 63 | Array(Vec), [INFO] [stderr] | ----- ^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `JSONTYPE` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 63 - Array(Vec), [INFO] [stderr] 63 + Array(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `json_parser_kevin_wang` (bin "json_parser_kevin_wang" test) generated 5 warnings (run `cargo fix --bin "json_parser_kevin_wang" -p json_parser_kevin_wang --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/json_parser_kevin_wang-2dbacbb4e9d5488a) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "1d54a35b4231c54b18ab89a8f089764d3e6af8f77e8ef68a21122939cc777d29", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d54a35b4231c54b18ab89a8f089764d3e6af8f77e8ef68a21122939cc777d29", kill_on_drop: false }` [INFO] [stdout] 1d54a35b4231c54b18ab89a8f089764d3e6af8f77e8ef68a21122939cc777d29