[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] building mjhd-devlion/json-in-rust against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmjhd-devlion%2Fjson-in-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mjhd-devlion/json-in-rust on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-7-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8bef0935e4f3fa55b13b11094b716bc0ed8279b5622f0cbf836df93615b4c1e
[INFO] running `Command { std: "docker" "start" "-a" "f8bef0935e4f3fa55b13b11094b716bc0ed8279b5622f0cbf836df93615b4c1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8bef0935e4f3fa55b13b11094b716bc0ed8279b5622f0cbf836df93615b4c1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8bef0935e4f3fa55b13b11094b716bc0ed8279b5622f0cbf836df93615b4c1e", kill_on_drop: false }`
[INFO] [stdout] f8bef0935e4f3fa55b13b11094b716bc0ed8279b5622f0cbf836df93615b4c1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e693668acc806420d26742d403e4b30bf17bae71a2fbdcd4a3b264b287f008a
[INFO] running `Command { std: "docker" "start" "-a" "1e693668acc806420d26742d403e4b30bf17bae71a2fbdcd4a3b264b287f008a", kill_on_drop: false }`
[INFO] [stderr]    Compiling json-in-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/main.rs:111:33
[INFO] [stdout]     |
[INFO] [stdout] 110 | impl<'s> Context<'s> {
[INFO] [stdout]     |      -- lifetime `'s` declared here
[INFO] [stdout] 111 |     pub fn new(src: &'s str) -> Context {
[INFO] [stdout]     |                                 ^^^^^^^ this elided lifetime gets resolved as `'s`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/main.rs:499:43
[INFO] [stdout]     |
[INFO] [stdout] 498 | impl<'t> ParserContext<'t> {
[INFO] [stdout]     |      -- lifetime `'t` declared here
[INFO] [stdout] 499 |     pub fn new(tokens: &'t Vec<Token>) -> ParserContext {
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^ this elided lifetime gets resolved as `'t`
[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: field `0` is never read
[INFO] [stdout]    --> src/main.rs:487:15
[INFO] [stdout]     |
[INFO] [stdout] 487 |     BoolValue(bool),
[INFO] [stdout]     |     --------- ^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Value` has derived impls for the traits `Debug` and `Clone`, but these are 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] 487 |     BoolValue(()),
[INFO] [stdout]     |               ~~
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "1e693668acc806420d26742d403e4b30bf17bae71a2fbdcd4a3b264b287f008a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e693668acc806420d26742d403e4b30bf17bae71a2fbdcd4a3b264b287f008a", kill_on_drop: false }`
[INFO] [stdout] 1e693668acc806420d26742d403e4b30bf17bae71a2fbdcd4a3b264b287f008a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a41d0b07ce03f15476105034ee2ff339c08cebba1611d2cfc022e94efe617a5
[INFO] running `Command { std: "docker" "start" "-a" "2a41d0b07ce03f15476105034ee2ff339c08cebba1611d2cfc022e94efe617a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling json-in-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/main.rs:111:33
[INFO] [stdout]     |
[INFO] [stdout] 110 | impl<'s> Context<'s> {
[INFO] [stdout]     |      -- lifetime `'s` declared here
[INFO] [stdout] 111 |     pub fn new(src: &'s str) -> Context {
[INFO] [stdout]     |                                 ^^^^^^^ this elided lifetime gets resolved as `'s`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/main.rs:499:43
[INFO] [stdout]     |
[INFO] [stdout] 498 | impl<'t> ParserContext<'t> {
[INFO] [stdout]     |      -- lifetime `'t` declared here
[INFO] [stdout] 499 |     pub fn new(tokens: &'t Vec<Token>) -> ParserContext {
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^ this elided lifetime gets resolved as `'t`
[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: field `0` is never read
[INFO] [stdout]    --> src/main.rs:487:15
[INFO] [stdout]     |
[INFO] [stdout] 487 |     BoolValue(bool),
[INFO] [stdout]     |     --------- ^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Value` has derived impls for the traits `Debug` and `Clone`, but these are 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] 487 |     BoolValue(()),
[INFO] [stdout]     |               ~~
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "2a41d0b07ce03f15476105034ee2ff339c08cebba1611d2cfc022e94efe617a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a41d0b07ce03f15476105034ee2ff339c08cebba1611d2cfc022e94efe617a5", kill_on_drop: false }`
[INFO] [stdout] 2a41d0b07ce03f15476105034ee2ff339c08cebba1611d2cfc022e94efe617a5