[INFO] cloning repository https://github.com/gzbakku/gzbjs-compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gzbakku/gzbjs-compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgzbakku%2Fgzbjs-compiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgzbakku%2Fgzbjs-compiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16f2666f9e30cf1028ac2ef448bac7ae63c0098c
[INFO] checking gzbakku/gzbjs-compiler against 011c518242557d21690f7936b5812318dc2fec47 for pr-159877
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgzbakku%2Fgzbjs-compiler" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/gzbakku/gzbjs-compiler
[INFO] finished tweaking git repo https://github.com/gzbakku/gzbjs-compiler
[INFO] tweaked toml for git repo https://github.com/gzbakku/gzbjs-compiler written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gzbakku/gzbjs-compiler on toolchain 011c518242557d21690f7936b5812318dc2fec47
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gzbakku/gzbjs-compiler 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" "+011c518242557d21690f7936b5812318dc2fec47" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking gzbakku/gzbjs-compiler against 011c518242557d21690f7936b5812318dc2fec47 for pr-159877
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgzbakku%2Fgzbjs-compiler" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/gzbakku/gzbjs-compiler
[INFO] finished tweaking git repo https://github.com/gzbakku/gzbjs-compiler
[INFO] tweaked toml for git repo https://github.com/gzbakku/gzbjs-compiler written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gzbakku/gzbjs-compiler on toolchain 011c518242557d21690f7936b5812318dc2fec47
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gzbakku/gzbjs-compiler 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" "+011c518242557d21690f7936b5812318dc2fec47" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.37
[INFO] [stderr]   Downloaded parking_lot_core v0.9.2
[INFO] [stderr]   Downloaded once_cell v1.10.0
[INFO] [stderr]   Downloaded mio v0.8.2
[INFO] [stderr]   Downloaded syn v1.0.91
[INFO] [stderr]   Downloaded tokio v1.17.0
[INFO] [stderr]   Downloaded windows-sys v0.34.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1fa6594d87c8fa7b311925a7a77a16f539833322d9dfba4ce891f211db2f90b1" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 9410fd8c226c086693da35e99f2446d87e692d4fb994f7411c2772e17a4bd494
[INFO] running `Command { std: "docker" "start" "9410fd8c226c086693da35e99f2446d87e692d4fb994f7411c2772e17a4bd494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9410fd8c226c086693da35e99f2446d87e692d4fb994f7411c2772e17a4bd494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9410fd8c226c086693da35e99f2446d87e692d4fb994f7411c2772e17a4bd494" "/opt/rustwide/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9410fd8c226c086693da35e99f2446d87e692d4fb994f7411c2772e17a4bd494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9410fd8c226c086693da35e99f2446d87e692d4fb994f7411c2772e17a4bd494" "/opt/rustwide/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking gzbjs-compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/parser/builder/mod.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 102 | /     match actionify::init(app,opps){
[INFO] [stdout] 103 | |         Ok(v)=>{
[INFO] [stdout] 104 | |             // opps = v;
[INFO] [stdout] 105 | |             println!("actionify : {:?}",v);
[INFO] [stdout] ...   |
[INFO] [stdout] 114 | |     }
[INFO] [stdout]     | |_____- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] ...
[INFO] [stdout] 121 |       return Err(Error::str("no_error"));
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/parser/builder/mod.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 102 | /     match actionify::init(app,opps){
[INFO] [stdout] 103 | |         Ok(v)=>{
[INFO] [stdout] 104 | |             // opps = v;
[INFO] [stdout] 105 | |             println!("actionify : {:?}",v);
[INFO] [stdout] ...   |
[INFO] [stdout] 114 | |     }
[INFO] [stdout]     | |_____- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] ...
[INFO] [stdout] 121 |       return Err(Error::str("no_error"));
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `collect` is never read
[INFO] [stdout]    --> src/parser/builder/mathify.rs:302:9
[INFO] [stdout]     |
[INFO] [stdout] 302 |         collect = vec![];
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `collect` is never read
[INFO] [stdout]    --> src/parser/builder/mathify.rs:302:9
[INFO] [stdout]     |
[INFO] [stdout] 302 |         collect = vec![];
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `case_item`
[INFO] [stdout]   --> src/parser/builder/actionify.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 for case_item in &case.1{
[INFO] [stdout]    |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_case_item`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/parser/builder/mod.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut state:bool = false;/*open=1 closed=0*/
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/parser/builder/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut index = 0;
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/parser/builder/mod.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut actions:Vec<(Action,usize,usize)> = vec![];
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/parser/builder/mod.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut state:bool = false;/*open=1 closed=0*/
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/parser/builder/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut index = 0;
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `actions`
[INFO] [stdout]   --> src/parser/builder/mod.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut actions:Vec<(Action,usize,usize)> = vec![];
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_actions`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `case_item`
[INFO] [stdout]   --> src/parser/builder/actionify.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 for case_item in &case.1{
[INFO] [stdout]    |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_case_item`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/parser/builder/mod.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut state:bool = false;/*open=1 closed=0*/
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/parser/builder/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut index = 0;
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/parser/builder/mod.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut actions:Vec<(Action,usize,usize)> = vec![];
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/parser/builder/mod.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let mut state:bool = false;/*open=1 closed=0*/
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/parser/builder/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut index = 0;
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `actions`
[INFO] [stdout]   --> src/parser/builder/mod.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut actions:Vec<(Action,usize,usize)> = vec![];
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_actions`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Function` is never constructed
[INFO] [stdout]   --> src/parser/action.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Function{
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Class` is never constructed
[INFO] [stdout]   --> src/parser/action.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct Class{
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `JSTrait` is never used
[INFO] [stdout]  --> src/jsvalue/mod.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait JSTrait{
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `map` is never read
[INFO] [stdout]   --> src/jsvalue/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Array{
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 20 |     map:Vec<JsValue>
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Array` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `map` is never read
[INFO] [stdout]   --> src/jsvalue/mod.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Object{
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 25 |     map:HashMap<String,JsValue>
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Object` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Function` is never constructed
[INFO] [stdout]   --> src/parser/action.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Function{
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Class` is never constructed
[INFO] [stdout]   --> src/parser/action.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct Class{
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `JSTrait` is never used
[INFO] [stdout]  --> src/jsvalue/mod.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait JSTrait{
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `map` is never read
[INFO] [stdout]   --> src/jsvalue/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Array{
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 20 |     map:Vec<JsValue>
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Array` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `map` is never read
[INFO] [stdout]   --> src/jsvalue/mod.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Object{
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 25 |     map:HashMap<String,JsValue>
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Object` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     hold.compile();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let _ = hold.compile();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `toString` should have a snake case name
[INFO] [stdout]  --> src/jsvalue/mod.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn toString(&self)->String;
[INFO] [stdout]   |        ^^^^^^^^ help: convert the identifier to snake case: `to_string`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     hold.compile();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let _ = hold.compile();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `toString` should have a snake case name
[INFO] [stdout]  --> src/jsvalue/mod.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn toString(&self)->String;
[INFO] [stdout]   |        ^^^^^^^^ help: convert the identifier to snake case: `to_string`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.78s
[INFO] running `Command { std: "docker" "inspect" "9410fd8c226c086693da35e99f2446d87e692d4fb994f7411c2772e17a4bd494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9410fd8c226c086693da35e99f2446d87e692d4fb994f7411c2772e17a4bd494", kill_on_drop: false }`
[INFO] [stdout] 9410fd8c226c086693da35e99f2446d87e692d4fb994f7411c2772e17a4bd494
