Nov 30 19:54:58.275 INFO testing yiransheng/rust-lox against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Nov 30 19:54:58.275 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 30 19:54:58.623 INFO [stdout] 65483793f9aceb2e0e9741377e203e580421710b2daba607d61775b43e17dc0d
Nov 30 19:54:58.629 INFO running `"docker" "start" "-a" "65483793f9aceb2e0e9741377e203e580421710b2daba607d61775b43e17dc0d"`
Nov 30 19:54:59.518 INFO [stderr] usermod: no changes
Nov 30 19:54:59.606 INFO [stderr]    Compiling num-complex v0.2.1
Nov 30 19:54:59.613 INFO [stderr]    Compiling num-iter v0.1.37
Nov 30 19:54:59.613 INFO [stderr]    Compiling arraydeque v0.4.3
Nov 30 19:54:59.615 INFO [stderr]    Compiling num-bigint v0.2.0
Nov 30 19:54:59.615 INFO [stderr]    Compiling syn v0.15.9
Nov 30 19:55:07.357 INFO [stderr]    Compiling num-rational v0.2.1
Nov 30 19:55:10.381 INFO [stderr]    Compiling num v0.2.0
Nov 30 19:55:16.682 INFO [stderr]    Compiling num-derive v0.2.3
Nov 30 19:55:24.307 INFO [stderr]    Compiling loxvm v0.1.0 (/source)
Nov 30 19:55:24.552 INFO [stderr] warning: unused import: `object::*`
Nov 30 19:55:24.552 INFO [stderr]  --> src/compiler.rs:3:5
Nov 30 19:55:24.552 INFO [stderr]   |
Nov 30 19:55:24.553 INFO [stderr] 3 | use object::*;
Nov 30 19:55:24.553 INFO [stderr]   |     ^^^^^^^^^
Nov 30 19:55:24.553 INFO [stderr]   |
Nov 30 19:55:24.554 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 19:55:24.554 INFO [stderr] 
Nov 30 19:55:24.554 INFO [stderr] warning: unused import: `Into`
Nov 30 19:55:24.554 INFO [stderr]  --> src/value.rs:2:26
Nov 30 19:55:24.555 INFO [stderr]   |
Nov 30 19:55:24.555 INFO [stderr] 2 | use std::convert::{From, Into};
Nov 30 19:55:24.555 INFO [stderr]   |                          ^^^^
Nov 30 19:55:24.556 INFO [stderr] 
Nov 30 19:55:24.556 INFO [stderr] warning: unused import: `common::*`
Nov 30 19:55:24.556 INFO [stderr]   --> src/main.rs:17:5
Nov 30 19:55:24.557 INFO [stderr]    |
Nov 30 19:55:24.557 INFO [stderr] 17 | use common::*;
Nov 30 19:55:24.557 INFO [stderr]    |     ^^^^^^^^^
Nov 30 19:55:24.558 INFO [stderr] 
Nov 30 19:55:24.558 INFO [stderr] warning: unused import: `scanner::Scanner`
Nov 30 19:55:24.558 INFO [stderr]   --> src/main.rs:19:5
Nov 30 19:55:24.562 INFO [stderr]    |
Nov 30 19:55:24.563 INFO [stderr] 19 | use scanner::Scanner;
Nov 30 19:55:24.563 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Nov 30 19:55:24.564 INFO [stderr] 
Nov 30 19:55:24.564 INFO [stderr] warning: unused import: `scanner::TokenType`
Nov 30 19:55:24.564 INFO [stderr]   --> src/main.rs:20:5
Nov 30 19:55:24.565 INFO [stderr]    |
Nov 30 19:55:24.565 INFO [stderr] 20 | use scanner::TokenType;
Nov 30 19:55:24.565 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Nov 30 19:55:24.565 INFO [stderr] 
Nov 30 19:55:25.052 INFO [stderr] warning: variant is never constructed: `TooManyConstants`
Nov 30 19:55:25.052 INFO [stderr]   --> src/compiler.rs:19:5
Nov 30 19:55:25.053 INFO [stderr]    |
Nov 30 19:55:25.053 INFO [stderr] 19 |     TooManyConstants,
Nov 30 19:55:25.053 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Nov 30 19:55:25.053 INFO [stderr]    |
Nov 30 19:55:25.054 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 19:55:25.054 INFO [stderr] 
Nov 30 19:55:25.054 INFO [stderr] warning: method is never used: `error_at_current`
Nov 30 19:55:25.055 INFO [stderr]    --> src/compiler.rs:361:5
Nov 30 19:55:25.055 INFO [stderr]     |
Nov 30 19:55:25.055 INFO [stderr] 361 |     fn error_at_current(&mut self, message: &str) -> CompileError {
Nov 30 19:55:25.056 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:55:25.056 INFO [stderr] 
Nov 30 19:55:25.056 INFO [stderr] warning: variant is never constructed: `Function`
Nov 30 19:55:25.056 INFO [stderr]  --> src/object.rs:7:5
Nov 30 19:55:25.057 INFO [stderr]   |
Nov 30 19:55:25.057 INFO [stderr] 7 |     Function,
Nov 30 19:55:25.057 INFO [stderr]   |     ^^^^^^^^
Nov 30 19:55:25.057 INFO [stderr] 
Nov 30 19:55:25.058 INFO [stderr] warning: method is never used: `identifier_equal`
Nov 30 19:55:25.058 INFO [stderr]   --> src/scanner/token.rs:64:5
Nov 30 19:55:25.058 INFO [stderr]    |
Nov 30 19:55:25.058 INFO [stderr] 64 |     pub fn identifier_equal(&self, other: &Token<'a>) -> bool {
Nov 30 19:55:25.059 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:55:25.060 INFO [stderr] 
Nov 30 19:55:25.060 INFO [stderr] warning: method is never used: `take`
Nov 30 19:55:25.060 INFO [stderr]   --> src/value.rs:43:5
Nov 30 19:55:25.061 INFO [stderr]    |
Nov 30 19:55:25.061 INFO [stderr] 43 |     pub fn take(&mut self) -> Value<O> {
Nov 30 19:55:25.061 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:55:25.062 INFO [stderr] 
Nov 30 19:55:25.062 INFO [stderr] warning: method is never used: `into_bool`
Nov 30 19:55:25.062 INFO [stderr]   --> src/value.rs:52:5
Nov 30 19:55:25.063 INFO [stderr]    |
Nov 30 19:55:25.063 INFO [stderr] 52 |     pub fn into_bool(self) -> Option<bool> {
Nov 30 19:55:25.063 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:55:25.064 INFO [stderr] 
Nov 30 19:55:25.064 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 19:55:25.064 INFO [stderr]    --> src/chunk.rs:111:13
Nov 30 19:55:25.064 INFO [stderr]     |
Nov 30 19:55:25.065 INFO [stderr] 111 |             write!(write_to, "   | ");
Nov 30 19:55:25.065 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:55:25.065 INFO [stderr]     |
Nov 30 19:55:25.065 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 30 19:55:25.066 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:55:25.066 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)
Nov 30 19:55:25.066 INFO [stderr] 
Nov 30 19:55:25.066 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 19:55:25.068 INFO [stderr]    --> src/chunk.rs:113:13
Nov 30 19:55:25.068 INFO [stderr]     |
Nov 30 19:55:25.068 INFO [stderr] 113 |             write!(write_to, "{:04} ", line_no);
Nov 30 19:55:25.068 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:55:25.069 INFO [stderr]     |
Nov 30 19:55:25.069 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:55:25.069 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)
Nov 30 19:55:25.070 INFO [stderr] 
Nov 30 19:55:25.070 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 19:55:25.070 INFO [stderr]    --> src/chunk.rs:141:17
Nov 30 19:55:25.070 INFO [stderr]     |
Nov 30 19:55:25.071 INFO [stderr] 141 |                 writeln!(write_to, "Unknown OptCode {}", instr);
Nov 30 19:55:25.071 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:55:25.071 INFO [stderr]     |
Nov 30 19:55:25.072 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:55:25.072 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)
Nov 30 19:55:25.072 INFO [stderr] 
Nov 30 19:55:25.072 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 19:55:25.073 INFO [stderr]    --> src/chunk.rs:152:9
Nov 30 19:55:25.073 INFO [stderr]     |
Nov 30 19:55:25.073 INFO [stderr] 152 |         writeln!(write_to, "{}", name);
Nov 30 19:55:25.073 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:55:25.074 INFO [stderr]     |
Nov 30 19:55:25.074 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:55:25.074 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)
Nov 30 19:55:25.075 INFO [stderr] 
Nov 30 19:55:25.075 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 19:55:25.075 INFO [stderr]    --> src/chunk.rs:163:9
Nov 30 19:55:25.077 INFO [stderr]     |
Nov 30 19:55:25.077 INFO [stderr] 163 |         write!(write_to, "{:<16} {:04} ", name, constant);
Nov 30 19:55:25.077 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:55:25.078 INFO [stderr]     |
Nov 30 19:55:25.078 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:55:25.079 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)
Nov 30 19:55:25.080 INFO [stderr] 
Nov 30 19:55:25.080 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 19:55:25.080 INFO [stderr]    --> src/chunk.rs:164:9
Nov 30 19:55:25.080 INFO [stderr]     |
Nov 30 19:55:25.081 INFO [stderr] 164 |         writeln!(write_to, "{}", self.constants[constant as usize]);
Nov 30 19:55:25.081 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:55:25.081 INFO [stderr]     |
Nov 30 19:55:25.082 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:55:25.082 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)
Nov 30 19:55:25.082 INFO [stderr] 
Nov 30 19:55:25.083 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 19:55:25.083 INFO [stderr]    --> src/vm.rs:227:9
Nov 30 19:55:25.083 INFO [stderr]     |
Nov 30 19:55:25.084 INFO [stderr] 227 |         writeln!(self.output, "{}", v);
Nov 30 19:55:25.084 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:55:25.084 INFO [stderr]     |
Nov 30 19:55:25.084 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:55:25.085 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)
Nov 30 19:55:25.085 INFO [stderr] 
Nov 30 19:55:25.085 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 19:55:25.086 INFO [stderr]   --> src/main.rs:38:13
Nov 30 19:55:25.086 INFO [stderr]    |
Nov 30 19:55:25.086 INFO [stderr] 38 |             vm.interpret();
Nov 30 19:55:25.087 INFO [stderr]    |             ^^^^^^^^^^^^^^^
Nov 30 19:55:25.087 INFO [stderr]    |
Nov 30 19:55:25.087 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:55:25.087 INFO [stderr] 
Nov 30 19:55:27.044 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.50s
Nov 30 19:55:27.048 INFO [stderr] su: No module specific data is present
Nov 30 19:55:27.859 INFO running `"docker" "inspect" "65483793f9aceb2e0e9741377e203e580421710b2daba607d61775b43e17dc0d"`
Nov 30 19:55:28.095 INFO running `"docker" "rm" "-f" "65483793f9aceb2e0e9741377e203e580421710b2daba607d61775b43e17dc0d"`
Nov 30 19:55:28.329 INFO [stdout] 65483793f9aceb2e0e9741377e203e580421710b2daba607d61775b43e17dc0d
Nov 30 19:55:28.331 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 30 19:55:28.985 INFO [stdout] c0807c8895dc2f9c17cf54d305f9351f72a3cece8dd2d1a3af14580c9e5bd692
Nov 30 19:55:28.986 INFO running `"docker" "start" "-a" "c0807c8895dc2f9c17cf54d305f9351f72a3cece8dd2d1a3af14580c9e5bd692"`
Nov 30 19:55:30.455 INFO [stderr] usermod: no changes
Nov 30 19:55:30.551 INFO [stderr]    Compiling loxvm v0.1.0 (/source)
Nov 30 19:55:30.832 INFO [stderr] warning: unused import: `object::*`
Nov 30 19:55:30.833 INFO [stderr]  --> src/compiler.rs:3:5
Nov 30 19:55:30.833 INFO [stderr]   |
Nov 30 19:55:30.833 INFO [stderr] 3 | use object::*;
Nov 30 19:55:30.834 INFO [stderr]   |     ^^^^^^^^^
Nov 30 19:55:30.834 INFO [stderr]   |
Nov 30 19:55:30.835 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 19:55:30.835 INFO [stderr] 
Nov 30 19:55:30.836 INFO [stderr] warning: unused import: `Into`
Nov 30 19:55:30.836 INFO [stderr]  --> src/value.rs:2:26
Nov 30 19:55:30.836 INFO [stderr]   |
Nov 30 19:55:30.837 INFO [stderr] 2 | use std::convert::{From, Into};
Nov 30 19:55:30.837 INFO [stderr]   |                          ^^^^
Nov 30 19:55:30.837 INFO [stderr] 
Nov 30 19:55:30.838 INFO [stderr] warning: unused import: `common::*`
Nov 30 19:55:30.838 INFO [stderr]   --> src/main.rs:17:5
Nov 30 19:55:30.838 INFO [stderr]    |
Nov 30 19:55:30.839 INFO [stderr] 17 | use common::*;
Nov 30 19:55:30.839 INFO [stderr]    |     ^^^^^^^^^
Nov 30 19:55:30.839 INFO [stderr] 
Nov 30 19:55:30.840 INFO [stderr] warning: unused import: `scanner::Scanner`
Nov 30 19:55:30.840 INFO [stderr]   --> src/main.rs:19:5
Nov 30 19:55:30.840 INFO [stderr]    |
Nov 30 19:55:30.840 INFO [stderr] 19 | use scanner::Scanner;
Nov 30 19:55:30.841 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Nov 30 19:55:30.841 INFO [stderr] 
Nov 30 19:55:30.841 INFO [stderr] warning: unused import: `scanner::TokenType`
Nov 30 19:55:30.842 INFO [stderr]   --> src/main.rs:20:5
Nov 30 19:55:30.842 INFO [stderr]    |
Nov 30 19:55:30.842 INFO [stderr] 20 | use scanner::TokenType;
Nov 30 19:55:30.843 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Nov 30 19:55:30.843 INFO [stderr] 
Nov 30 19:55:31.322 INFO [stderr] warning: variant is never constructed: `TooManyConstants`
Nov 30 19:55:31.322 INFO [stderr]   --> src/compiler.rs:19:5
Nov 30 19:55:31.322 INFO [stderr]    |
Nov 30 19:55:31.322 INFO [stderr] 19 |     TooManyConstants,
Nov 30 19:55:31.322 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Nov 30 19:55:31.322 INFO [stderr]    |
Nov 30 19:55:31.322 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 19:55:31.322 INFO [stderr] 
Nov 30 19:55:31.322 INFO [stderr] warning: method is never used: `error_at_current`
Nov 30 19:55:31.322 INFO [stderr]    --> src/compiler.rs:361:5
Nov 30 19:55:31.322 INFO [stderr]     |
Nov 30 19:55:31.322 INFO [stderr] 361 |     fn error_at_current(&mut self, message: &str) -> CompileError {
Nov 30 19:55:31.322 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:55:31.322 INFO [stderr] 
Nov 30 19:55:31.322 INFO [stderr] warning: variant is never constructed: `Function`
Nov 30 19:55:31.322 INFO [stderr]  --> src/object.rs:7:5
Nov 30 19:55:31.322 INFO [stderr]   |
Nov 30 19:55:31.322 INFO [stderr] 7 |     Function,
Nov 30 19:55:31.322 INFO [stderr]   |     ^^^^^^^^
Nov 30 19:55:31.322 INFO [stderr] 
Nov 30 19:55:31.325 INFO [stderr] warning: method is never used: `identifier_equal`
Nov 30 19:55:31.325 INFO [stderr]   --> src/scanner/token.rs:64:5
Nov 30 19:55:31.325 INFO [stderr]    |
Nov 30 19:55:31.325 INFO [stderr] 64 |     pub fn identifier_equal(&self, other: &Token<'a>) -> bool {
Nov 30 19:55:31.326 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:55:31.326 INFO [stderr] 
Nov 30 19:55:31.326 INFO [stderr] warning: method is never used: `take`
Nov 30 19:55:31.326 INFO [stderr]   --> src/value.rs:43:5
Nov 30 19:55:31.326 INFO [stderr]    |
Nov 30 19:55:31.326 INFO [stderr] 43 |     pub fn take(&mut self) -> Value<O> {
Nov 30 19:55:31.326 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:55:31.326 INFO [stderr] 
Nov 30 19:55:31.326 INFO [stderr] warning: method is never used: `into_bool`
Nov 30 19:55:31.326 INFO [stderr]   --> src/value.rs:52:5
Nov 30 19:55:31.326 INFO [stderr]    |
Nov 30 19:55:31.326 INFO [stderr] 52 |     pub fn into_bool(self) -> Option<bool> {
Nov 30 19:55:31.326 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:55:31.326 INFO [stderr] 
Nov 30 19:55:31.326 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 19:55:31.326 INFO [stderr]    --> src/chunk.rs:111:13
Nov 30 19:55:31.326 INFO [stderr]     |
Nov 30 19:55:31.326 INFO [stderr] 111 |             write!(write_to, "   | ");
Nov 30 19:55:31.326 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:55:31.326 INFO [stderr]     |
Nov 30 19:55:31.326 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 30 19:55:31.326 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:55:31.326 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)
Nov 30 19:55:31.326 INFO [stderr] 
Nov 30 19:55:31.326 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 19:55:31.326 INFO [stderr]    --> src/chunk.rs:113:13
Nov 30 19:55:31.326 INFO [stderr]     |
Nov 30 19:55:31.326 INFO [stderr] 113 |             write!(write_to, "{:04} ", line_no);
Nov 30 19:55:31.326 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:55:31.326 INFO [stderr]     |
Nov 30 19:55:31.326 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:55:31.326 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)
Nov 30 19:55:31.326 INFO [stderr] 
Nov 30 19:55:31.326 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 19:55:31.326 INFO [stderr]    --> src/chunk.rs:141:17
Nov 30 19:55:31.326 INFO [stderr]     |
Nov 30 19:55:31.326 INFO [stderr] 141 |                 writeln!(write_to, "Unknown OptCode {}", instr);
Nov 30 19:55:31.326 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:55:31.326 INFO [stderr]     |
Nov 30 19:55:31.326 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:55:31.326 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)
Nov 30 19:55:31.326 INFO [stderr] 
Nov 30 19:55:31.326 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 19:55:31.326 INFO [stderr]    --> src/chunk.rs:152:9
Nov 30 19:55:31.326 INFO [stderr]     |
Nov 30 19:55:31.326 INFO [stderr] 152 |         writeln!(write_to, "{}", name);
Nov 30 19:55:31.326 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:55:31.326 INFO [stderr]     |
Nov 30 19:55:31.326 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:55:31.326 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)
Nov 30 19:55:31.326 INFO [stderr] 
Nov 30 19:55:31.326 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 19:55:31.326 INFO [stderr]    --> src/chunk.rs:163:9
Nov 30 19:55:31.326 INFO [stderr]     |
Nov 30 19:55:31.326 INFO [stderr] 163 |         write!(write_to, "{:<16} {:04} ", name, constant);
Nov 30 19:55:31.326 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:55:31.326 INFO [stderr]     |
Nov 30 19:55:31.326 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:55:31.326 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)
Nov 30 19:55:31.326 INFO [stderr] 
Nov 30 19:55:31.326 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 19:55:31.326 INFO [stderr]    --> src/chunk.rs:164:9
Nov 30 19:55:31.326 INFO [stderr]     |
Nov 30 19:55:31.326 INFO [stderr] 164 |         writeln!(write_to, "{}", self.constants[constant as usize]);
Nov 30 19:55:31.326 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:55:31.326 INFO [stderr]     |
Nov 30 19:55:31.326 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:55:31.326 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)
Nov 30 19:55:31.326 INFO [stderr] 
Nov 30 19:55:31.339 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 19:55:31.339 INFO [stderr]    --> src/vm.rs:227:9
Nov 30 19:55:31.339 INFO [stderr]     |
Nov 30 19:55:31.339 INFO [stderr] 227 |         writeln!(self.output, "{}", v);
Nov 30 19:55:31.339 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 19:55:31.339 INFO [stderr]     |
Nov 30 19:55:31.339 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:55:31.339 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)
Nov 30 19:55:31.339 INFO [stderr] 
Nov 30 19:55:31.339 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 19:55:31.340 INFO [stderr]   --> src/main.rs:38:13
Nov 30 19:55:31.340 INFO [stderr]    |
Nov 30 19:55:31.340 INFO [stderr] 38 |             vm.interpret();
Nov 30 19:55:31.340 INFO [stderr]    |             ^^^^^^^^^^^^^^^
Nov 30 19:55:31.340 INFO [stderr]    |
Nov 30 19:55:31.340 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 19:55:31.340 INFO [stderr] 
Nov 30 19:55:32.125 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
Nov 30 19:55:32.130 INFO [stderr] su: No module specific data is present
Nov 30 19:55:32.967 INFO running `"docker" "inspect" "c0807c8895dc2f9c17cf54d305f9351f72a3cece8dd2d1a3af14580c9e5bd692"`
Nov 30 19:55:33.245 INFO running `"docker" "rm" "-f" "c0807c8895dc2f9c17cf54d305f9351f72a3cece8dd2d1a3af14580c9e5bd692"`
Nov 30 19:55:33.591 INFO [stdout] c0807c8895dc2f9c17cf54d305f9351f72a3cece8dd2d1a3af14580c9e5bd692
Nov 30 19:55:33.593 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/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 +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 30 19:55:34.108 INFO [stdout] 2b1bd6c37c4a1c13f68740c2558a80f4cfa1bd6a3eb80609313fb419b77c47ed
Nov 30 19:55:34.113 INFO running `"docker" "start" "-a" "2b1bd6c37c4a1c13f68740c2558a80f4cfa1bd6a3eb80609313fb419b77c47ed"`
Nov 30 19:55:35.211 INFO [stderr] usermod: no changes
Nov 30 19:55:35.312 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
Nov 30 19:55:35.317 INFO [stderr]      Running /target/debug/deps/loxvm-ca45457a698a0738
Nov 30 19:55:35.319 INFO [stdout] 
Nov 30 19:55:35.320 INFO [stdout] running 3 tests
Nov 30 19:55:35.320 INFO [stdout] test scanner::keyword::tests::test_all_keywords ... ok
Nov 30 19:55:35.320 INFO [stdout] test scanner::keyword::tests::test_non_keywords ... ok
Nov 30 19:55:35.321 INFO [stdout] test scanner::keyword::tests::test_start_with_keyword ... ok
Nov 30 19:55:35.321 INFO [stdout] 
Nov 30 19:55:35.321 INFO [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 30 19:55:35.322 INFO [stdout] 
Nov 30 19:55:35.331 INFO [stderr] su: No module specific data is present
Nov 30 19:55:36.015 INFO running `"docker" "inspect" "2b1bd6c37c4a1c13f68740c2558a80f4cfa1bd6a3eb80609313fb419b77c47ed"`
Nov 30 19:55:36.413 INFO running `"docker" "rm" "-f" "2b1bd6c37c4a1c13f68740c2558a80f4cfa1bd6a3eb80609313fb419b77c47ed"`
Nov 30 19:55:36.659 INFO [stdout] 2b1bd6c37c4a1c13f68740c2558a80f4cfa1bd6a3eb80609313fb419b77c47ed
