Dec 05 00:49:42.238 INFO testing yiransheng/rust-lox against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 00:49:42.238 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 00:49:42.688 INFO [stdout] f2e36912f6c88c9f6117173993bed6a72e0827551d46811c752713a097ab005f
Dec 05 00:49:42.690 INFO running `"docker" "start" "-a" "f2e36912f6c88c9f6117173993bed6a72e0827551d46811c752713a097ab005f"`
Dec 05 00:49:43.664 INFO [stderr] usermod: no changes
Dec 05 00:49:43.764 INFO [stderr]    Compiling num-iter v0.1.37
Dec 05 00:49:43.764 INFO [stderr]    Compiling num-complex v0.2.1
Dec 05 00:49:43.764 INFO [stderr]    Compiling num-derive v0.2.3
Dec 05 00:49:43.764 INFO [stderr]    Compiling arraydeque v0.4.3
Dec 05 00:49:43.764 INFO [stderr]    Compiling num-integer v0.1.39
Dec 05 00:49:43.796 INFO [stderr]    Compiling syn v0.15.9
Dec 05 00:49:46.808 INFO [stderr]    Compiling num-bigint v0.2.0
Dec 05 00:49:52.851 INFO [stderr]    Compiling num-rational v0.2.1
Dec 05 00:49:58.656 INFO [stderr]    Compiling num v0.2.0
Dec 05 00:50:04.436 INFO [stderr]    Compiling loxvm v0.1.0 (/source)
Dec 05 00:50:04.604 INFO [stderr] warning: unused import: `object::*`
Dec 05 00:50:04.604 INFO [stderr]  --> src/compiler.rs:3:5
Dec 05 00:50:04.605 INFO [stderr]   |
Dec 05 00:50:04.605 INFO [stderr] 3 | use object::*;
Dec 05 00:50:04.605 INFO [stderr]   |     ^^^^^^^^^
Dec 05 00:50:04.605 INFO [stderr]   |
Dec 05 00:50:04.605 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 00:50:04.605 INFO [stderr] 
Dec 05 00:50:04.607 INFO [stderr] warning: unused import: `Into`
Dec 05 00:50:04.607 INFO [stderr]  --> src/value.rs:2:26
Dec 05 00:50:04.607 INFO [stderr]   |
Dec 05 00:50:04.607 INFO [stderr] 2 | use std::convert::{From, Into};
Dec 05 00:50:04.608 INFO [stderr]   |                          ^^^^
Dec 05 00:50:04.608 INFO [stderr] 
Dec 05 00:50:04.608 INFO [stderr] warning: unused import: `common::*`
Dec 05 00:50:04.608 INFO [stderr]   --> src/main.rs:17:5
Dec 05 00:50:04.608 INFO [stderr]    |
Dec 05 00:50:04.608 INFO [stderr] 17 | use common::*;
Dec 05 00:50:04.608 INFO [stderr]    |     ^^^^^^^^^
Dec 05 00:50:04.608 INFO [stderr] 
Dec 05 00:50:04.608 INFO [stderr] warning: unused import: `scanner::Scanner`
Dec 05 00:50:04.608 INFO [stderr]   --> src/main.rs:19:5
Dec 05 00:50:04.608 INFO [stderr]    |
Dec 05 00:50:04.608 INFO [stderr] 19 | use scanner::Scanner;
Dec 05 00:50:04.608 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 05 00:50:04.608 INFO [stderr] 
Dec 05 00:50:04.608 INFO [stderr] warning: unused import: `scanner::TokenType`
Dec 05 00:50:04.608 INFO [stderr]   --> src/main.rs:20:5
Dec 05 00:50:04.608 INFO [stderr]    |
Dec 05 00:50:04.608 INFO [stderr] 20 | use scanner::TokenType;
Dec 05 00:50:04.608 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 05 00:50:04.608 INFO [stderr] 
Dec 05 00:50:05.037 INFO [stderr] warning: variant is never constructed: `TooManyConstants`
Dec 05 00:50:05.037 INFO [stderr]   --> src/compiler.rs:19:5
Dec 05 00:50:05.037 INFO [stderr]    |
Dec 05 00:50:05.037 INFO [stderr] 19 |     TooManyConstants,
Dec 05 00:50:05.037 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 05 00:50:05.037 INFO [stderr]    |
Dec 05 00:50:05.037 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 00:50:05.037 INFO [stderr] 
Dec 05 00:50:05.037 INFO [stderr] warning: method is never used: `error_at_current`
Dec 05 00:50:05.037 INFO [stderr]    --> src/compiler.rs:361:5
Dec 05 00:50:05.037 INFO [stderr]     |
Dec 05 00:50:05.037 INFO [stderr] 361 |     fn error_at_current(&mut self, message: &str) -> CompileError {
Dec 05 00:50:05.037 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:50:05.037 INFO [stderr] 
Dec 05 00:50:05.037 INFO [stderr] warning: variant is never constructed: `Function`
Dec 05 00:50:05.037 INFO [stderr]  --> src/object.rs:7:5
Dec 05 00:50:05.037 INFO [stderr]   |
Dec 05 00:50:05.037 INFO [stderr] 7 |     Function,
Dec 05 00:50:05.037 INFO [stderr]   |     ^^^^^^^^
Dec 05 00:50:05.037 INFO [stderr] 
Dec 05 00:50:05.037 INFO [stderr] warning: method is never used: `identifier_equal`
Dec 05 00:50:05.037 INFO [stderr]   --> src/scanner/token.rs:64:5
Dec 05 00:50:05.037 INFO [stderr]    |
Dec 05 00:50:05.037 INFO [stderr] 64 |     pub fn identifier_equal(&self, other: &Token<'a>) -> bool {
Dec 05 00:50:05.037 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:50:05.037 INFO [stderr] 
Dec 05 00:50:05.037 INFO [stderr] warning: method is never used: `take`
Dec 05 00:50:05.037 INFO [stderr]   --> src/value.rs:43:5
Dec 05 00:50:05.037 INFO [stderr]    |
Dec 05 00:50:05.037 INFO [stderr] 43 |     pub fn take(&mut self) -> Value<O> {
Dec 05 00:50:05.037 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:50:05.037 INFO [stderr] 
Dec 05 00:50:05.037 INFO [stderr] warning: method is never used: `into_bool`
Dec 05 00:50:05.037 INFO [stderr]   --> src/value.rs:52:5
Dec 05 00:50:05.037 INFO [stderr]    |
Dec 05 00:50:05.037 INFO [stderr] 52 |     pub fn into_bool(self) -> Option<bool> {
Dec 05 00:50:05.037 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:50:05.037 INFO [stderr] 
Dec 05 00:50:05.037 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:50:05.037 INFO [stderr]    --> src/chunk.rs:111:13
Dec 05 00:50:05.037 INFO [stderr]     |
Dec 05 00:50:05.037 INFO [stderr] 111 |             write!(write_to, "   | ");
Dec 05 00:50:05.037 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:50:05.037 INFO [stderr]     |
Dec 05 00:50:05.037 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 00:50:05.037 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:50:05.037 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 05 00:50:05.037 INFO [stderr] 
Dec 05 00:50:05.037 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:50:05.037 INFO [stderr]    --> src/chunk.rs:113:13
Dec 05 00:50:05.037 INFO [stderr]     |
Dec 05 00:50:05.037 INFO [stderr] 113 |             write!(write_to, "{:04} ", line_no);
Dec 05 00:50:05.037 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:50:05.037 INFO [stderr]     |
Dec 05 00:50:05.037 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:50:05.037 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 05 00:50:05.037 INFO [stderr] 
Dec 05 00:50:05.037 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:50:05.037 INFO [stderr]    --> src/chunk.rs:141:17
Dec 05 00:50:05.037 INFO [stderr]     |
Dec 05 00:50:05.037 INFO [stderr] 141 |                 writeln!(write_to, "Unknown OptCode {}", instr);
Dec 05 00:50:05.037 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:50:05.037 INFO [stderr]     |
Dec 05 00:50:05.037 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:50:05.037 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 05 00:50:05.037 INFO [stderr] 
Dec 05 00:50:05.037 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:50:05.037 INFO [stderr]    --> src/chunk.rs:152:9
Dec 05 00:50:05.037 INFO [stderr]     |
Dec 05 00:50:05.037 INFO [stderr] 152 |         writeln!(write_to, "{}", name);
Dec 05 00:50:05.037 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:50:05.037 INFO [stderr]     |
Dec 05 00:50:05.037 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:50:05.037 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 05 00:50:05.037 INFO [stderr] 
Dec 05 00:50:05.037 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:50:05.037 INFO [stderr]    --> src/chunk.rs:163:9
Dec 05 00:50:05.037 INFO [stderr]     |
Dec 05 00:50:05.037 INFO [stderr] 163 |         write!(write_to, "{:<16} {:04} ", name, constant);
Dec 05 00:50:05.037 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:50:05.038 INFO [stderr]     |
Dec 05 00:50:05.038 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:50:05.038 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 05 00:50:05.038 INFO [stderr] 
Dec 05 00:50:05.038 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:50:05.038 INFO [stderr]    --> src/chunk.rs:164:9
Dec 05 00:50:05.038 INFO [stderr]     |
Dec 05 00:50:05.038 INFO [stderr] 164 |         writeln!(write_to, "{}", self.constants[constant as usize]);
Dec 05 00:50:05.038 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:50:05.038 INFO [stderr]     |
Dec 05 00:50:05.038 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:50:05.038 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 05 00:50:05.038 INFO [stderr] 
Dec 05 00:50:05.044 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:50:05.044 INFO [stderr]    --> src/vm.rs:227:9
Dec 05 00:50:05.044 INFO [stderr]     |
Dec 05 00:50:05.044 INFO [stderr] 227 |         writeln!(self.output, "{}", v);
Dec 05 00:50:05.044 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:50:05.044 INFO [stderr]     |
Dec 05 00:50:05.044 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:50:05.044 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 05 00:50:05.044 INFO [stderr] 
Dec 05 00:50:05.044 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:50:05.044 INFO [stderr]   --> src/main.rs:38:13
Dec 05 00:50:05.044 INFO [stderr]    |
Dec 05 00:50:05.044 INFO [stderr] 38 |             vm.interpret();
Dec 05 00:50:05.044 INFO [stderr]    |             ^^^^^^^^^^^^^^^
Dec 05 00:50:05.044 INFO [stderr]    |
Dec 05 00:50:05.044 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:50:05.044 INFO [stderr] 
Dec 05 00:50:06.456 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.77s
Dec 05 00:50:06.465 INFO [stderr] su: No module specific data is present
Dec 05 00:50:07.124 INFO running `"docker" "inspect" "f2e36912f6c88c9f6117173993bed6a72e0827551d46811c752713a097ab005f"`
Dec 05 00:50:07.542 INFO running `"docker" "rm" "-f" "f2e36912f6c88c9f6117173993bed6a72e0827551d46811c752713a097ab005f"`
Dec 05 00:50:07.788 INFO [stdout] f2e36912f6c88c9f6117173993bed6a72e0827551d46811c752713a097ab005f
Dec 05 00:50:07.792 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 00:50:08.353 INFO [stdout] 4ce6e6850c7463de39f97c07c1e5106afb9795ef448a5b2f172667d20478b1a3
Dec 05 00:50:08.355 INFO running `"docker" "start" "-a" "4ce6e6850c7463de39f97c07c1e5106afb9795ef448a5b2f172667d20478b1a3"`
Dec 05 00:50:10.376 INFO [stderr] usermod: no changes
Dec 05 00:50:10.502 INFO [stderr]    Compiling loxvm v0.1.0 (/source)
Dec 05 00:50:10.764 INFO [stderr] warning: unused import: `object::*`
Dec 05 00:50:10.764 INFO [stderr]  --> src/compiler.rs:3:5
Dec 05 00:50:10.764 INFO [stderr]   |
Dec 05 00:50:10.764 INFO [stderr] 3 | use object::*;
Dec 05 00:50:10.764 INFO [stderr]   |     ^^^^^^^^^
Dec 05 00:50:10.764 INFO [stderr]   |
Dec 05 00:50:10.764 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 00:50:10.764 INFO [stderr] 
Dec 05 00:50:10.768 INFO [stderr] warning: unused import: `Into`
Dec 05 00:50:10.768 INFO [stderr]  --> src/value.rs:2:26
Dec 05 00:50:10.768 INFO [stderr]   |
Dec 05 00:50:10.768 INFO [stderr] 2 | use std::convert::{From, Into};
Dec 05 00:50:10.768 INFO [stderr]   |                          ^^^^
Dec 05 00:50:10.768 INFO [stderr] 
Dec 05 00:50:10.768 INFO [stderr] warning: unused import: `common::*`
Dec 05 00:50:10.768 INFO [stderr]   --> src/main.rs:17:5
Dec 05 00:50:10.768 INFO [stderr]    |
Dec 05 00:50:10.768 INFO [stderr] 17 | use common::*;
Dec 05 00:50:10.768 INFO [stderr]    |     ^^^^^^^^^
Dec 05 00:50:10.768 INFO [stderr] 
Dec 05 00:50:10.768 INFO [stderr] warning: unused import: `scanner::Scanner`
Dec 05 00:50:10.768 INFO [stderr]   --> src/main.rs:19:5
Dec 05 00:50:10.768 INFO [stderr]    |
Dec 05 00:50:10.768 INFO [stderr] 19 | use scanner::Scanner;
Dec 05 00:50:10.768 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 05 00:50:10.769 INFO [stderr] 
Dec 05 00:50:10.769 INFO [stderr] warning: unused import: `scanner::TokenType`
Dec 05 00:50:10.769 INFO [stderr]   --> src/main.rs:20:5
Dec 05 00:50:10.769 INFO [stderr]    |
Dec 05 00:50:10.769 INFO [stderr] 20 | use scanner::TokenType;
Dec 05 00:50:10.769 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 05 00:50:10.769 INFO [stderr] 
Dec 05 00:50:11.192 INFO [stderr] warning: variant is never constructed: `TooManyConstants`
Dec 05 00:50:11.192 INFO [stderr]   --> src/compiler.rs:19:5
Dec 05 00:50:11.192 INFO [stderr]    |
Dec 05 00:50:11.193 INFO [stderr] 19 |     TooManyConstants,
Dec 05 00:50:11.193 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 05 00:50:11.193 INFO [stderr]    |
Dec 05 00:50:11.193 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 00:50:11.193 INFO [stderr] 
Dec 05 00:50:11.193 INFO [stderr] warning: method is never used: `error_at_current`
Dec 05 00:50:11.193 INFO [stderr]    --> src/compiler.rs:361:5
Dec 05 00:50:11.193 INFO [stderr]     |
Dec 05 00:50:11.193 INFO [stderr] 361 |     fn error_at_current(&mut self, message: &str) -> CompileError {
Dec 05 00:50:11.193 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:50:11.193 INFO [stderr] 
Dec 05 00:50:11.193 INFO [stderr] warning: variant is never constructed: `Function`
Dec 05 00:50:11.193 INFO [stderr]  --> src/object.rs:7:5
Dec 05 00:50:11.193 INFO [stderr]   |
Dec 05 00:50:11.193 INFO [stderr] 7 |     Function,
Dec 05 00:50:11.193 INFO [stderr]   |     ^^^^^^^^
Dec 05 00:50:11.193 INFO [stderr] 
Dec 05 00:50:11.193 INFO [stderr] warning: method is never used: `identifier_equal`
Dec 05 00:50:11.193 INFO [stderr]   --> src/scanner/token.rs:64:5
Dec 05 00:50:11.193 INFO [stderr]    |
Dec 05 00:50:11.193 INFO [stderr] 64 |     pub fn identifier_equal(&self, other: &Token<'a>) -> bool {
Dec 05 00:50:11.193 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:50:11.193 INFO [stderr] 
Dec 05 00:50:11.193 INFO [stderr] warning: method is never used: `take`
Dec 05 00:50:11.193 INFO [stderr]   --> src/value.rs:43:5
Dec 05 00:50:11.193 INFO [stderr]    |
Dec 05 00:50:11.193 INFO [stderr] 43 |     pub fn take(&mut self) -> Value<O> {
Dec 05 00:50:11.193 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:50:11.193 INFO [stderr] 
Dec 05 00:50:11.193 INFO [stderr] warning: method is never used: `into_bool`
Dec 05 00:50:11.193 INFO [stderr]   --> src/value.rs:52:5
Dec 05 00:50:11.193 INFO [stderr]    |
Dec 05 00:50:11.193 INFO [stderr] 52 |     pub fn into_bool(self) -> Option<bool> {
Dec 05 00:50:11.193 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:50:11.193 INFO [stderr] 
Dec 05 00:50:11.194 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:50:11.194 INFO [stderr]    --> src/chunk.rs:111:13
Dec 05 00:50:11.194 INFO [stderr]     |
Dec 05 00:50:11.194 INFO [stderr] 111 |             write!(write_to, "   | ");
Dec 05 00:50:11.195 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:50:11.195 INFO [stderr]     |
Dec 05 00:50:11.195 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 00:50:11.195 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:50:11.195 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 05 00:50:11.195 INFO [stderr] 
Dec 05 00:50:11.195 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:50:11.195 INFO [stderr]    --> src/chunk.rs:113:13
Dec 05 00:50:11.195 INFO [stderr]     |
Dec 05 00:50:11.195 INFO [stderr] 113 |             write!(write_to, "{:04} ", line_no);
Dec 05 00:50:11.195 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:50:11.195 INFO [stderr]     |
Dec 05 00:50:11.195 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:50:11.195 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 05 00:50:11.195 INFO [stderr] 
Dec 05 00:50:11.195 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:50:11.195 INFO [stderr]    --> src/chunk.rs:141:17
Dec 05 00:50:11.195 INFO [stderr]     |
Dec 05 00:50:11.195 INFO [stderr] 141 |                 writeln!(write_to, "Unknown OptCode {}", instr);
Dec 05 00:50:11.195 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:50:11.195 INFO [stderr]     |
Dec 05 00:50:11.195 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:50:11.195 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 05 00:50:11.195 INFO [stderr] 
Dec 05 00:50:11.195 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:50:11.195 INFO [stderr]    --> src/chunk.rs:152:9
Dec 05 00:50:11.195 INFO [stderr]     |
Dec 05 00:50:11.195 INFO [stderr] 152 |         writeln!(write_to, "{}", name);
Dec 05 00:50:11.195 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:50:11.195 INFO [stderr]     |
Dec 05 00:50:11.195 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:50:11.196 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 05 00:50:11.196 INFO [stderr] 
Dec 05 00:50:11.196 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:50:11.196 INFO [stderr]    --> src/chunk.rs:163:9
Dec 05 00:50:11.196 INFO [stderr]     |
Dec 05 00:50:11.196 INFO [stderr] 163 |         write!(write_to, "{:<16} {:04} ", name, constant);
Dec 05 00:50:11.196 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:50:11.196 INFO [stderr]     |
Dec 05 00:50:11.196 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:50:11.196 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 05 00:50:11.196 INFO [stderr] 
Dec 05 00:50:11.196 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:50:11.196 INFO [stderr]    --> src/chunk.rs:164:9
Dec 05 00:50:11.196 INFO [stderr]     |
Dec 05 00:50:11.196 INFO [stderr] 164 |         writeln!(write_to, "{}", self.constants[constant as usize]);
Dec 05 00:50:11.196 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:50:11.196 INFO [stderr]     |
Dec 05 00:50:11.196 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:50:11.196 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 05 00:50:11.196 INFO [stderr] 
Dec 05 00:50:11.206 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:50:11.206 INFO [stderr]    --> src/vm.rs:227:9
Dec 05 00:50:11.206 INFO [stderr]     |
Dec 05 00:50:11.206 INFO [stderr] 227 |         writeln!(self.output, "{}", v);
Dec 05 00:50:11.206 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 00:50:11.206 INFO [stderr]     |
Dec 05 00:50:11.206 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:50:11.206 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 05 00:50:11.206 INFO [stderr] 
Dec 05 00:50:11.206 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 00:50:11.206 INFO [stderr]   --> src/main.rs:38:13
Dec 05 00:50:11.206 INFO [stderr]    |
Dec 05 00:50:11.206 INFO [stderr] 38 |             vm.interpret();
Dec 05 00:50:11.206 INFO [stderr]    |             ^^^^^^^^^^^^^^^
Dec 05 00:50:11.206 INFO [stderr]    |
Dec 05 00:50:11.206 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 00:50:11.206 INFO [stderr] 
Dec 05 00:50:11.687 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
Dec 05 00:50:11.691 INFO [stderr] su: No module specific data is present
Dec 05 00:50:12.734 INFO running `"docker" "inspect" "4ce6e6850c7463de39f97c07c1e5106afb9795ef448a5b2f172667d20478b1a3"`
Dec 05 00:50:12.964 INFO running `"docker" "rm" "-f" "4ce6e6850c7463de39f97c07c1e5106afb9795ef448a5b2f172667d20478b1a3"`
Dec 05 00:50:13.245 INFO [stdout] 4ce6e6850c7463de39f97c07c1e5106afb9795ef448a5b2f172667d20478b1a3
Dec 05 00:50:13.250 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 00:50:13.706 INFO [stdout] 82f5ee9e71148553077e206181ebee441231a728a86af0422f2d8bf890e1f628
Dec 05 00:50:13.708 INFO running `"docker" "start" "-a" "82f5ee9e71148553077e206181ebee441231a728a86af0422f2d8bf890e1f628"`
Dec 05 00:50:14.985 INFO [stderr] usermod: no changes
Dec 05 00:50:15.064 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
Dec 05 00:50:15.078 INFO [stderr]      Running /target/debug/deps/loxvm-7a76cc23a0ab5b04
Dec 05 00:50:15.078 INFO [stdout] 
Dec 05 00:50:15.078 INFO [stdout] running 3 tests
Dec 05 00:50:15.078 INFO [stdout] test scanner::keyword::tests::test_non_keywords ... ok
Dec 05 00:50:15.079 INFO [stdout] test scanner::keyword::tests::test_all_keywords ... ok
Dec 05 00:50:15.079 INFO [stdout] test scanner::keyword::tests::test_start_with_keyword ... ok
Dec 05 00:50:15.079 INFO [stdout] 
Dec 05 00:50:15.079 INFO [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 00:50:15.079 INFO [stdout] 
Dec 05 00:50:15.085 INFO [stderr] su: No module specific data is present
Dec 05 00:50:16.013 INFO running `"docker" "inspect" "82f5ee9e71148553077e206181ebee441231a728a86af0422f2d8bf890e1f628"`
Dec 05 00:50:16.482 INFO running `"docker" "rm" "-f" "82f5ee9e71148553077e206181ebee441231a728a86af0422f2d8bf890e1f628"`
Dec 05 00:50:16.788 INFO [stdout] 82f5ee9e71148553077e206181ebee441231a728a86af0422f2d8bf890e1f628