Dec 18 06:14:12.497 INFO checking Nickforall/yukon against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 06:14:12.497 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/Nickforall/yukon:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 06:14:12.669 INFO [stdout] a0e39c93247473277ba4fe5f2711450dead3cff298cf72bec1b724cef6963a14
Dec 18 06:14:12.672 INFO running `"docker" "start" "-a" "a0e39c93247473277ba4fe5f2711450dead3cff298cf72bec1b724cef6963a14"`
Dec 18 06:14:13.449 INFO [stderr]     Checking serde v0.7.15
Dec 18 06:14:13.449 INFO [stderr]    Compiling esprit v0.0.5
Dec 18 06:14:13.456 INFO [stderr]     Checking nix v0.5.1
Dec 18 06:14:17.716 INFO [stderr]     Checking rustyline v1.0.0
Dec 18 06:14:18.380 INFO [stderr]     Checking serde_json v0.7.4
Dec 18 06:14:19.556 INFO [stderr]     Checking unjson v0.0.5
Dec 18 06:14:20.006 INFO [stderr]     Checking joker v0.0.5
Dec 18 06:14:21.060 INFO [stderr]     Checking easter v0.0.5
Dec 18 06:14:21.847 INFO [stderr]     Checking estree v0.0.5
Dec 18 06:14:23.380 INFO [stderr]     Checking Yukon v0.1.0 (/opt/crater/workdir)
Dec 18 06:14:23.704 INFO [stderr] warning: unused import: `std`
Dec 18 06:14:23.704 INFO [stderr]  --> src/vm/scope.rs:3:5
Dec 18 06:14:23.704 INFO [stderr]   |
Dec 18 06:14:23.704 INFO [stderr] 3 | use std;
Dec 18 06:14:23.704 INFO [stderr]   |     ^^^
Dec 18 06:14:23.704 INFO [stderr]   |
Dec 18 06:14:23.704 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 06:14:23.704 INFO [stderr] 
Dec 18 06:14:23.756 INFO [stderr] warning: unused import: `rustyline::error::ReadlineError`
Dec 18 06:14:23.756 INFO [stderr]  --> src/main.rs:7:5
Dec 18 06:14:23.756 INFO [stderr]   |
Dec 18 06:14:23.756 INFO [stderr] 7 | use rustyline::error::ReadlineError;
Dec 18 06:14:23.756 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:14:23.756 INFO [stderr]   |
Dec 18 06:14:23.756 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 06:14:23.756 INFO [stderr] 
Dec 18 06:14:23.756 INFO [stderr] warning: unused import: `rustyline::Editor`
Dec 18 06:14:23.756 INFO [stderr]  --> src/main.rs:8:5
Dec 18 06:14:23.756 INFO [stderr]   |
Dec 18 06:14:23.756 INFO [stderr] 8 | use rustyline::Editor;
Dec 18 06:14:23.756 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 18 06:14:23.756 INFO [stderr] 
Dec 18 06:14:23.756 INFO [stderr] warning: unused import: `ansi_term::Colour::RGB`
Dec 18 06:14:23.756 INFO [stderr]   --> src/main.rs:10:5
Dec 18 06:14:23.756 INFO [stderr]    |
Dec 18 06:14:23.756 INFO [stderr] 10 | use ansi_term::Colour::RGB;
Dec 18 06:14:23.756 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:14:23.756 INFO [stderr] 
Dec 18 06:14:23.756 INFO [stderr] warning: unused import: `std::env`
Dec 18 06:14:23.756 INFO [stderr]   --> src/main.rs:12:5
Dec 18 06:14:23.756 INFO [stderr]    |
Dec 18 06:14:23.756 INFO [stderr] 12 | use std::env;
Dec 18 06:14:23.756 INFO [stderr]    |     ^^^^^^^^
Dec 18 06:14:23.756 INFO [stderr] 
Dec 18 06:14:23.756 INFO [stderr] warning: unused import: `std`
Dec 18 06:14:23.756 INFO [stderr]  --> src/vm/scope.rs:3:5
Dec 18 06:14:23.756 INFO [stderr]   |
Dec 18 06:14:23.756 INFO [stderr] 3 | use std;
Dec 18 06:14:23.756 INFO [stderr]   |     ^^^
Dec 18 06:14:23.756 INFO [stderr] 
Dec 18 06:14:23.832 INFO [stderr] warning: unused variable: `image`
Dec 18 06:14:23.832 INFO [stderr]   --> src/bytecode.rs:83:17
Dec 18 06:14:23.832 INFO [stderr]    |
Dec 18 06:14:23.832 INFO [stderr] 83 | fn compile_decl(image: &mut Image, decl: easter::decl::Decl) {
Dec 18 06:14:23.832 INFO [stderr]    |                 ^^^^^ help: consider using `_image` instead
Dec 18 06:14:23.832 INFO [stderr]    |
Dec 18 06:14:23.832 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 06:14:23.832 INFO [stderr] 
Dec 18 06:14:23.832 INFO [stderr] warning: unused variable: `decl`
Dec 18 06:14:23.832 INFO [stderr]   --> src/bytecode.rs:83:36
Dec 18 06:14:23.832 INFO [stderr]    |
Dec 18 06:14:23.832 INFO [stderr] 83 | fn compile_decl(image: &mut Image, decl: easter::decl::Decl) {
Dec 18 06:14:23.832 INFO [stderr]    |                                    ^^^^ help: consider using `_decl` instead
Dec 18 06:14:23.832 INFO [stderr] 
Dec 18 06:14:23.832 INFO [stderr] warning: unused variable: `parent`
Dec 18 06:14:23.832 INFO [stderr]   --> src/vm/scope.rs:14:25
Dec 18 06:14:23.832 INFO [stderr]    |
Dec 18 06:14:23.832 INFO [stderr] 14 |     pub fn new(id: i32, parent: i32) {
Dec 18 06:14:23.832 INFO [stderr]    |                         ^^^^^^ help: consider using `_parent` instead
Dec 18 06:14:23.838 INFO [stderr] 
Dec 18 06:14:23.887 INFO [stderr] warning: method is never used: `new`
Dec 18 06:14:23.887 INFO [stderr]   --> src/vm/scope.rs:14:5
Dec 18 06:14:23.887 INFO [stderr]    |
Dec 18 06:14:23.887 INFO [stderr] 14 |     pub fn new(id: i32, parent: i32) {
Dec 18 06:14:23.887 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:14:23.887 INFO [stderr]    |
Dec 18 06:14:23.887 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 06:14:23.887 INFO [stderr] 
Dec 18 06:14:23.887 INFO [stderr] warning: variant is never constructed: `JsNull`
Dec 18 06:14:23.887 INFO [stderr]   --> src/vm/mod.rs:13:5
Dec 18 06:14:23.887 INFO [stderr]    |
Dec 18 06:14:23.887 INFO [stderr] 13 |     JsNull,
Dec 18 06:14:23.887 INFO [stderr]    |     ^^^^^^
Dec 18 06:14:23.887 INFO [stderr] 
Dec 18 06:14:23.887 INFO [stderr] warning: crate `Yukon` should have a snake case name such as `yukon`
Dec 18 06:14:23.887 INFO [stderr]   |
Dec 18 06:14:23.887 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 18 06:14:23.887 INFO [stderr] 
Dec 18 06:14:23.887 INFO [stderr] warning: variable `boolValue` should have a snake case name such as `bool_value`
Dec 18 06:14:23.887 INFO [stderr]   --> src/vm/operations.rs:52:24
Dec 18 06:14:23.887 INFO [stderr]    |
Dec 18 06:14:23.887 INFO [stderr] 52 | fn handle_eq_with_bool(boolValue: &JsValue, comparedValue: &JsValue) -> JsValue {
Dec 18 06:14:23.887 INFO [stderr]    |                        ^^^^^^^^^
Dec 18 06:14:23.887 INFO [stderr] 
Dec 18 06:14:23.887 INFO [stderr] warning: variable `comparedValue` should have a snake case name such as `compared_value`
Dec 18 06:14:23.887 INFO [stderr]   --> src/vm/operations.rs:52:45
Dec 18 06:14:23.887 INFO [stderr]    |
Dec 18 06:14:23.887 INFO [stderr] 52 | fn handle_eq_with_bool(boolValue: &JsValue, comparedValue: &JsValue) -> JsValue {
Dec 18 06:14:23.887 INFO [stderr]    |                                             ^^^^^^^^^^^^^
Dec 18 06:14:23.887 INFO [stderr] 
Dec 18 06:14:24.017 INFO [stderr] warning: unused variable: `image`
Dec 18 06:14:24.017 INFO [stderr]   --> src/bytecode.rs:83:17
Dec 18 06:14:24.017 INFO [stderr]    |
Dec 18 06:14:24.017 INFO [stderr] 83 | fn compile_decl(image: &mut Image, decl: easter::decl::Decl) {
Dec 18 06:14:24.017 INFO [stderr]    |                 ^^^^^ help: consider using `_image` instead
Dec 18 06:14:24.017 INFO [stderr]    |
Dec 18 06:14:24.017 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 06:14:24.017 INFO [stderr] 
Dec 18 06:14:24.017 INFO [stderr] warning: unused variable: `decl`
Dec 18 06:14:24.017 INFO [stderr]   --> src/bytecode.rs:83:36
Dec 18 06:14:24.017 INFO [stderr]    |
Dec 18 06:14:24.017 INFO [stderr] 83 | fn compile_decl(image: &mut Image, decl: easter::decl::Decl) {
Dec 18 06:14:24.017 INFO [stderr]    |                                    ^^^^ help: consider using `_decl` instead
Dec 18 06:14:24.017 INFO [stderr] 
Dec 18 06:14:24.021 INFO [stderr] warning: unused variable: `image`
Dec 18 06:14:24.021 INFO [stderr]   --> src/tests.rs:51:13
Dec 18 06:14:24.021 INFO [stderr]    |
Dec 18 06:14:24.021 INFO [stderr] 51 |         let image: Image;
Dec 18 06:14:24.021 INFO [stderr]    |             ^^^^^ help: consider using `_image` instead
Dec 18 06:14:24.021 INFO [stderr] 
Dec 18 06:14:24.021 INFO [stderr] warning: unused variable: `parent`
Dec 18 06:14:24.021 INFO [stderr]   --> src/vm/scope.rs:14:25
Dec 18 06:14:24.021 INFO [stderr]    |
Dec 18 06:14:24.021 INFO [stderr] 14 |     pub fn new(id: i32, parent: i32) {
Dec 18 06:14:24.021 INFO [stderr]    |                         ^^^^^^ help: consider using `_parent` instead
Dec 18 06:14:24.021 INFO [stderr] 
Dec 18 06:14:24.116 INFO [stderr] warning: function is never used: `ret_value_fmt`
Dec 18 06:14:24.116 INFO [stderr]  --> src/vm/repl.rs:5:1
Dec 18 06:14:24.116 INFO [stderr]   |
Dec 18 06:14:24.116 INFO [stderr] 5 | pub fn ret_value_fmt(val: &JsValue) -> String {
Dec 18 06:14:24.116 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:14:24.116 INFO [stderr]   |
Dec 18 06:14:24.116 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 06:14:24.116 INFO [stderr] 
Dec 18 06:14:24.116 INFO [stderr] warning: method is never used: `new`
Dec 18 06:14:24.116 INFO [stderr]   --> src/vm/scope.rs:14:5
Dec 18 06:14:24.116 INFO [stderr]    |
Dec 18 06:14:24.116 INFO [stderr] 14 |     pub fn new(id: i32, parent: i32) {
Dec 18 06:14:24.116 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:14:24.116 INFO [stderr] 
Dec 18 06:14:24.117 INFO [stderr] warning: variant is never constructed: `JsNull`
Dec 18 06:14:24.117 INFO [stderr]   --> src/vm/mod.rs:13:5
Dec 18 06:14:24.117 INFO [stderr]    |
Dec 18 06:14:24.117 INFO [stderr] 13 |     JsNull,
Dec 18 06:14:24.117 INFO [stderr]    |     ^^^^^^
Dec 18 06:14:24.117 INFO [stderr] 
Dec 18 06:14:24.117 INFO [stderr] warning: crate `Yukon` should have a snake case name such as `yukon`
Dec 18 06:14:24.117 INFO [stderr]   |
Dec 18 06:14:24.124 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 18 06:14:24.124 INFO [stderr] 
Dec 18 06:14:24.134 INFO [stderr] warning: variable `boolValue` should have a snake case name such as `bool_value`
Dec 18 06:14:24.134 INFO [stderr]   --> src/vm/operations.rs:52:24
Dec 18 06:14:24.134 INFO [stderr]    |
Dec 18 06:14:24.134 INFO [stderr] 52 | fn handle_eq_with_bool(boolValue: &JsValue, comparedValue: &JsValue) -> JsValue {
Dec 18 06:14:24.134 INFO [stderr]    |                        ^^^^^^^^^
Dec 18 06:14:24.134 INFO [stderr] 
Dec 18 06:14:24.134 INFO [stderr] warning: variable `comparedValue` should have a snake case name such as `compared_value`
Dec 18 06:14:24.134 INFO [stderr]   --> src/vm/operations.rs:52:45
Dec 18 06:14:24.134 INFO [stderr]    |
Dec 18 06:14:24.134 INFO [stderr] 52 | fn handle_eq_with_bool(boolValue: &JsValue, comparedValue: &JsValue) -> JsValue {
Dec 18 06:14:24.134 INFO [stderr]    |                                             ^^^^^^^^^^^^^
Dec 18 06:14:24.134 INFO [stderr] 
Dec 18 06:14:24.156 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.80s
Dec 18 06:14:24.630 INFO running `"docker" "inspect" "a0e39c93247473277ba4fe5f2711450dead3cff298cf72bec1b724cef6963a14"`
Dec 18 06:14:24.774 INFO running `"docker" "rm" "-f" "a0e39c93247473277ba4fe5f2711450dead3cff298cf72bec1b724cef6963a14"`
Dec 18 06:14:24.846 INFO [stdout] a0e39c93247473277ba4fe5f2711450dead3cff298cf72bec1b724cef6963a14