[INFO] cloning repository https://github.com/mjhd-devlion/json-in-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mjhd-devlion/json-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjhd-devlion%2Fjson-in-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjhd-devlion%2Fjson-in-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 028b266bd3e146b81f1b31cc99962fe976255f07
[INFO] checking mjhd-devlion/json-in-rust against master#18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb for pr-96970
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjhd-devlion%2Fjson-in-rust" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mjhd-devlion/json-in-rust on toolchain 18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mjhd-devlion/json-in-rust
[INFO] finished tweaking git repo https://github.com/mjhd-devlion/json-in-rust
[INFO] tweaked toml for git repo https://github.com/mjhd-devlion/json-in-rust written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/mjhd-devlion/json-in-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c0f4bfbaea41234be8ffb90de1579b1634d16c8d98f2f1158bc2a5388dc462e
[INFO] running `Command { std: "docker" "start" "-a" "1c0f4bfbaea41234be8ffb90de1579b1634d16c8d98f2f1158bc2a5388dc462e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c0f4bfbaea41234be8ffb90de1579b1634d16c8d98f2f1158bc2a5388dc462e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c0f4bfbaea41234be8ffb90de1579b1634d16c8d98f2f1158bc2a5388dc462e", kill_on_drop: false }`
[INFO] [stdout] 1c0f4bfbaea41234be8ffb90de1579b1634d16c8d98f2f1158bc2a5388dc462e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 612f4c8900bcbecb086098a373f85505339b059926d95bd821cd40bbe2900b88
[INFO] running `Command { std: "docker" "start" "-a" "612f4c8900bcbecb086098a373f85505339b059926d95bd821cd40bbe2900b88", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking json-in-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/main.rs:557:27
[INFO] [stdout]     |
[INFO] [stdout] 557 |     fn value_start(&self, ctx: &mut ParserContext) -> Result<(), String> {
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/main.rs:566:28
[INFO] [stdout]     |
[INFO] [stdout] 566 |     fn member_start(&self, ctx: &mut ParserContext) -> Result<(), String> {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/main.rs:666:25
[INFO] [stdout]     |
[INFO] [stdout] 666 |     fn value_end(&self, ctx: &mut ParserContext) -> Result<(), String> {
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/main.rs:684:24
[INFO] [stdout]     |
[INFO] [stdout] 684 |     fn json_end(&self, ctx: &mut ParserContext) -> Result<(), String> {
[INFO] [stdout]     |                        ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/main.rs:557:27
[INFO] [stdout]     |
[INFO] [stdout] 557 |     fn value_start(&self, ctx: &mut ParserContext) -> Result<(), String> {
[INFO] [stdout]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/main.rs:566:28
[INFO] [stdout]     |
[INFO] [stdout] 566 |     fn member_start(&self, ctx: &mut ParserContext) -> Result<(), String> {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/main.rs:666:25
[INFO] [stdout]     |
[INFO] [stdout] 666 |     fn value_end(&self, ctx: &mut ParserContext) -> Result<(), String> {
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/main.rs:684:24
[INFO] [stdout]     |
[INFO] [stdout] 684 |     fn json_end(&self, ctx: &mut ParserContext) -> Result<(), String> {
[INFO] [stdout]     |                        ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `parserCtx` should have a snake case name
[INFO] [stdout]    --> src/main.rs:708:13
[INFO] [stdout]     |
[INFO] [stdout] 708 |     let mut parserCtx = ParserContext::new(&tokens);
[INFO] [stdout]     |             ^^^^^^^^^ help: convert the identifier to snake case: `parser_ctx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `parserCtx` should have a snake case name
[INFO] [stdout]    --> src/main.rs:708:13
[INFO] [stdout]     |
[INFO] [stdout] 708 |     let mut parserCtx = ParserContext::new(&tokens);
[INFO] [stdout]     |             ^^^^^^^^^ help: convert the identifier to snake case: `parser_ctx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 41s
[INFO] running `Command { std: "docker" "inspect" "612f4c8900bcbecb086098a373f85505339b059926d95bd821cd40bbe2900b88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "612f4c8900bcbecb086098a373f85505339b059926d95bd821cd40bbe2900b88", kill_on_drop: false }`
[INFO] [stdout] 612f4c8900bcbecb086098a373f85505339b059926d95bd821cd40bbe2900b88