[INFO] updating cached repository Nickforall/yukon
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Nickforall/yukon
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Nickforall/yukon" "work/ex/beta-1.38-1/sources/1.37.0/gh/Nickforall/yukon"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Nickforall/yukon'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Nickforall/yukon" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Nickforall/yukon"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Nickforall/yukon'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b310c92cedf77b95fe66c2792fb3a280ee00f605
[INFO] sha for GitHub repo Nickforall/yukon: b310c92cedf77b95fe66c2792fb3a280ee00f605
[INFO] validating manifest of Nickforall/yukon on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Nickforall/yukon on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Nickforall/yukon
[INFO] finished frobbing Nickforall/yukon
[INFO] frobbed toml for Nickforall/yukon written to work/ex/beta-1.38-1/sources/1.37.0/gh/Nickforall/yukon/Cargo.toml
[INFO] started frobbing Nickforall/yukon
[INFO] finished frobbing Nickforall/yukon
[INFO] frobbed toml for Nickforall/yukon written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Nickforall/yukon/Cargo.toml
[INFO] crate Nickforall/yukon already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Nickforall/yukon against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 21b8384870caa7fd1b11014f4b0ab147f7cab6061bb5ee5e9be40833fa537f2e
[INFO] running `"docker" "start" "-a" "21b8384870caa7fd1b11014f4b0ab147f7cab6061bb5ee5e9be40833fa537f2e"`
[INFO] [stderr]    Compiling esprit v0.0.5
[INFO] [stderr]    Compiling serde_json v0.7.4
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling unjson v0.0.5
[INFO] [stderr]    Compiling joker v0.0.5
[INFO] [stderr]    Compiling easter v0.0.5
[INFO] [stderr]    Compiling rustyline v1.0.0
[INFO] [stderr]    Compiling estree v0.0.5
[INFO] [stderr]    Compiling Yukon v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std`
[INFO] [stderr]  --> src/vm/scope.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std;
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `image`
[INFO] [stderr]   --> src/bytecode.rs:83:17
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn compile_decl(image: &mut Image, decl: easter::decl::Decl) {
[INFO] [stderr]    |                 ^^^^^ help: consider prefixing with an underscore: `_image`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `decl`
[INFO] [stderr]   --> src/bytecode.rs:83:36
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn compile_decl(image: &mut Image, decl: easter::decl::Decl) {
[INFO] [stderr]    |                                    ^^^^ help: consider prefixing with an underscore: `_decl`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parent`
[INFO] [stderr]   --> src/vm/scope.rs:14:25
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn new(id: i32, parent: i32) {
[INFO] [stderr]    |                         ^^^^^^ help: consider prefixing with an underscore: `_parent`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/vm/scope.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn new(id: i32, parent: i32) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `JsNull`
[INFO] [stderr]   --> src/vm/mod.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     JsNull,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Yukon` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `yukon`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `boolValue` should have a snake case name
[INFO] [stderr]   --> src/vm/operations.rs:52:24
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn handle_eq_with_bool(boolValue: &JsValue, comparedValue: &JsValue) -> JsValue {
[INFO] [stderr]    |                        ^^^^^^^^^ help: convert the identifier to snake case: `bool_value`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `comparedValue` should have a snake case name
[INFO] [stderr]   --> src/vm/operations.rs:52:45
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn handle_eq_with_bool(boolValue: &JsValue, comparedValue: &JsValue) -> JsValue {
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^ help: convert the identifier to snake case: `compared_value`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.18s
[INFO] running `"docker" "inspect" "21b8384870caa7fd1b11014f4b0ab147f7cab6061bb5ee5e9be40833fa537f2e"`
[INFO] running `"docker" "rm" "-f" "21b8384870caa7fd1b11014f4b0ab147f7cab6061bb5ee5e9be40833fa537f2e"`
[INFO] [stdout] 21b8384870caa7fd1b11014f4b0ab147f7cab6061bb5ee5e9be40833fa537f2e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9d854e38b7bd2e500a7c172330f5a9e9ec37915f60cf012647a74db4ab16a80a
[INFO] running `"docker" "start" "-a" "9d854e38b7bd2e500a7c172330f5a9e9ec37915f60cf012647a74db4ab16a80a"`
[INFO] [stderr]    Compiling Yukon v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `rustyline::error::ReadlineError`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rustyline::error::ReadlineError;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rustyline::Editor`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use rustyline::Editor;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ansi_term::Colour::RGB`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use ansi_term::Colour::RGB;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::env;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std`
[INFO] [stderr]  --> src/vm/scope.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std;
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `image`
[INFO] [stderr]   --> src/bytecode.rs:83:17
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn compile_decl(image: &mut Image, decl: easter::decl::Decl) {
[INFO] [stderr]    |                 ^^^^^ help: consider prefixing with an underscore: `_image`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `decl`
[INFO] [stderr]   --> src/bytecode.rs:83:36
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn compile_decl(image: &mut Image, decl: easter::decl::Decl) {
[INFO] [stderr]    |                                    ^^^^ help: consider prefixing with an underscore: `_decl`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `image`
[INFO] [stderr]   --> src/tests.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let image: Image;
[INFO] [stderr]    |             ^^^^^ help: consider prefixing with an underscore: `_image`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `parent`
[INFO] [stderr]   --> src/vm/scope.rs:14:25
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn new(id: i32, parent: i32) {
[INFO] [stderr]    |                         ^^^^^^ help: consider prefixing with an underscore: `_parent`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `ret_value_fmt`
[INFO] [stderr]  --> src/vm/repl.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn ret_value_fmt(val: &JsValue) -> String {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/vm/scope.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn new(id: i32, parent: i32) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `JsNull`
[INFO] [stderr]   --> src/vm/mod.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     JsNull,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Yukon` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `yukon`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `boolValue` should have a snake case name
[INFO] [stderr]   --> src/vm/operations.rs:52:24
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn handle_eq_with_bool(boolValue: &JsValue, comparedValue: &JsValue) -> JsValue {
[INFO] [stderr]    |                        ^^^^^^^^^ help: convert the identifier to snake case: `bool_value`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `comparedValue` should have a snake case name
[INFO] [stderr]   --> src/vm/operations.rs:52:45
[INFO] [stderr]    |
[INFO] [stderr] 52 | fn handle_eq_with_bool(boolValue: &JsValue, comparedValue: &JsValue) -> JsValue {
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^ help: convert the identifier to snake case: `compared_value`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.72s
[INFO] running `"docker" "inspect" "9d854e38b7bd2e500a7c172330f5a9e9ec37915f60cf012647a74db4ab16a80a"`
[INFO] running `"docker" "rm" "-f" "9d854e38b7bd2e500a7c172330f5a9e9ec37915f60cf012647a74db4ab16a80a"`
[INFO] [stdout] 9d854e38b7bd2e500a7c172330f5a9e9ec37915f60cf012647a74db4ab16a80a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 1125b4ef6ee9a17e43a94048a7c3cf4b1bf44eb43955490dbcc54b00a7f95986
[INFO] running `"docker" "start" "-a" "1125b4ef6ee9a17e43a94048a7c3cf4b1bf44eb43955490dbcc54b00a7f95986"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/Yukon-038c8ae3aa853cf9
[INFO] [stdout] 
[INFO] [stdout] running 53 tests
[INFO] [stdout] test tests::bytecode_tests::bytecode_helloworld_string ... ok
[INFO] [stdout] test tests::bytecode_tests::bytecode_binaryop_multiply ... ok
[INFO] [stdout] test tests::bytecode_tests::bytecode_binaryop_plus ... ok
[INFO] [stdout] test tests::bytecode_tests::bytecode_binaryop_minus ... ok
[INFO] [stdout] test tests::vm_tests::binary_operations::vm_div_numstr_invalid ... ok
[INFO] [stdout] test tests::bytecode_tests::bytecode_binaryop_divide ... ok
[INFO] [stdout] test tests::vm_tests::binary_operations::vm_concat_strnum ... ok
[INFO] [stdout] test tests::vm_tests::binary_operations::vm_concat_strstr ... ok
[INFO] [stdout] test tests::vm_tests::binary_operations::vm_div_strnum ... ok
[INFO] [stdout] test tests::vm_tests::binary_operations::vm_div_numstr ... ok
[INFO] [stdout] test tests::vm_tests::binary_operations::vm_div_invalid ... ok
[INFO] [stdout] test tests::vm_tests::binary_operations::vm_add_numnum ... ok
[INFO] [stdout] test tests::vm_tests::binary_operations::vm_mlp_strnum_invalid ... ok
[INFO] [stdout] test tests::vm_tests::binary_operations::vm_mlp_numstr ... ok
[INFO] [stdout] test tests::vm_tests::binary_operations::vm_mlp_valid ... ok
[INFO] [stdout] test tests::vm_tests::binary_operations::vm_sub_numstr_invalid ... ok
[INFO] [stdout] test tests::vm_tests::binary_operations::vm_mlp_strnum ... ok
[INFO] [stdout] test tests::vm_tests::binary_operations::vm_sub_invalid ... ok
[INFO] [stdout] test tests::vm_tests::binary_operations::vm_mlp_numstr_invalid ... ok
[INFO] [stdout] test tests::vm_tests::binary_operations::vm_div_valid ... ok
[INFO] [stdout] test tests::vm_tests::binary_operations::vm_div_strnum_invalid ... ok
[INFO] [stdout] test tests::vm_tests::binary_operations::vm_sub_numstr ... ok
[INFO] [stdout] test tests::vm_tests::binary_operations::vm_mlp_invalid ... ok
[INFO] [stdout] test tests::vm_tests::binary_operations::vm_sub_strnum ... ok
[INFO] [stdout] test tests::vm_tests::booleans::eq_false ... ok
[INFO] [stdout] test tests::vm_tests::booleans::empty_string_bool ... ok
[INFO] [stdout] test tests::vm_tests::booleans::bool_empty_string ... ok
[INFO] [stdout] test tests::vm_tests::binary_operations::vm_sub_valid ... ok
[INFO] [stdout] test tests::vm_tests::binary_operations::vm_sub_strnum_invalid ... ok
[INFO] [stdout] test tests::vm_tests::booleans::num_neq_strnum ... ok
[INFO] [stdout] test tests::vm_tests::booleans::num_neq_numstr ... ok
[INFO] [stdout] test tests::vm_tests::booleans::num_seq ... ok
[INFO] [stdout] test tests::vm_tests::booleans::num_seq_numstr ... ok
[INFO] [stdout] test tests::vm_tests::booleans::eq_true ... ok
[INFO] [stdout] test tests::vm_tests::booleans::num_eq ... ok
[INFO] [stdout] test tests::vm_tests::booleans::num_eq_numstr ... ok
[INFO] [stdout] test tests::vm_tests::booleans::num_eq_strnum ... ok
[INFO] [stdout] test tests::vm_tests::booleans::num_seq_strnum ... ok
[INFO] [stdout] test tests::vm_tests::booleans::num_sneq_numstr ... ok
[INFO] [stdout] test tests::vm_tests::booleans::num_sneq ... ok
[INFO] [stdout] test tests::vm_tests::booleans::num_sneq_strnum ... ok
[INFO] [stdout] test tests::vm_tests::booleans::seq_true ... ok
[INFO] [stdout] test tests::vm_tests::variables::variable_diveq ... ok
[INFO] [stdout] test tests::vm_tests::variables::variable_mlpeq ... ok
[INFO] [stdout] test tests::vm_tests::variables::variable_pluseq ... ok
[INFO] [stdout] test tests::vm_tests::variables::variable_reassign ... ok
[INFO] [stdout] test tests::vm_tests::booleans::zerostr_true ... ok
[INFO] [stdout] test tests::vm_tests::booleans::seq_false ... ok
[INFO] [stdout] test tests::vm_tests::variables::variable_assign ... ok
[INFO] [stdout] test tests::vm_tests::booleans::zero_true ... ok
[INFO] [stdout] test tests::vm_tests::variables::variable_subeq ... ok
[INFO] [stdout] test tests::vm_tests::booleans::str_eq ... ok
[INFO] [stdout] test tests::vm_tests::booleans::str_seq ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 53 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1125b4ef6ee9a17e43a94048a7c3cf4b1bf44eb43955490dbcc54b00a7f95986"`
[INFO] running `"docker" "rm" "-f" "1125b4ef6ee9a17e43a94048a7c3cf4b1bf44eb43955490dbcc54b00a7f95986"`
[INFO] [stdout] 1125b4ef6ee9a17e43a94048a7c3cf4b1bf44eb43955490dbcc54b00a7f95986