[INFO] updating cached repository yiransheng/rust-lox [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/yiransheng/rust-lox [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/yiransheng/rust-lox" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/yiransheng/rust-lox"` [INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/yiransheng/rust-lox'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/yiransheng/rust-lox" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/yiransheng/rust-lox"` [INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/yiransheng/rust-lox'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 4436d65e1509b0dcb5f02d31ea74ecb0ea295584 [INFO] sha for GitHub repo yiransheng/rust-lox: 4436d65e1509b0dcb5f02d31ea74ecb0ea295584 [INFO] validating manifest of yiransheng/rust-lox on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of yiransheng/rust-lox on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing yiransheng/rust-lox [INFO] finished frobbing yiransheng/rust-lox [INFO] frobbed toml for yiransheng/rust-lox written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/yiransheng/rust-lox/Cargo.toml [INFO] started frobbing yiransheng/rust-lox [INFO] finished frobbing yiransheng/rust-lox [INFO] frobbed toml for yiransheng/rust-lox written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/yiransheng/rust-lox/Cargo.toml [INFO] crate yiransheng/rust-lox already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking yiransheng/rust-lox against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-2/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/yiransheng/rust-lox:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 493ebbf48e6355ce9d513f395a1c6f51c0b9a49d8a57a0fa6389d80430ba3935 [INFO] running `"docker" "start" "-a" "493ebbf48e6355ce9d513f395a1c6f51c0b9a49d8a57a0fa6389d80430ba3935"` [INFO] [stderr] Blocking waiting for file lock on the registry index [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling num-bigint v0.2.0 [INFO] [stderr] Compiling num-complex v0.2.1 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Compiling num-derive v0.2.3 [INFO] [stderr] Checking arraydeque v0.4.3 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Compiling syn v0.15.9 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Checking loxvm v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `object::*` [INFO] [stderr] --> src/compiler.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use object::*; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Into` [INFO] [stderr] --> src/value.rs:2:26 [INFO] [stderr] | [INFO] [stderr] 2 | use std::convert::{From, Into}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `common::*` [INFO] [stderr] --> src/main.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | use common::*; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `scanner::Scanner` [INFO] [stderr] --> src/main.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | use scanner::Scanner; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `scanner::TokenType` [INFO] [stderr] --> src/main.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | use scanner::TokenType; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `object::*` [INFO] [stderr] --> src/compiler.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use object::*; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Into` [INFO] [stderr] --> src/value.rs:2:26 [INFO] [stderr] | [INFO] [stderr] 2 | use std::convert::{From, Into}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `common::*` [INFO] [stderr] --> src/main.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | use common::*; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `scanner::Scanner` [INFO] [stderr] --> src/main.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | use scanner::Scanner; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `scanner::TokenType` [INFO] [stderr] --> src/main.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | use scanner::TokenType; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `TooManyConstants` [INFO] [stderr] --> src/compiler.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | TooManyConstants, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `error_at_current` [INFO] [stderr] --> src/compiler.rs:361:5 [INFO] [stderr] | [INFO] [stderr] 361 | fn error_at_current(&mut self, message: &str) -> CompileError { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Function` [INFO] [stderr] --> src/object.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | Function, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `identifier_equal` [INFO] [stderr] --> src/scanner/token.rs:64:5 [INFO] [stderr] | [INFO] [stderr] 64 | pub fn identifier_equal(&self, other: &Token<'a>) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `take` [INFO] [stderr] --> src/value.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | pub fn take(&mut self) -> Value { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `into_bool` [INFO] [stderr] --> src/value.rs:52:5 [INFO] [stderr] | [INFO] [stderr] 52 | pub fn into_bool(self) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/chunk.rs:111:13 [INFO] [stderr] | [INFO] [stderr] 111 | write!(write_to, " | "); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [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) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/chunk.rs:113:13 [INFO] [stderr] | [INFO] [stderr] 113 | write!(write_to, "{:04} ", line_no); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [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) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/chunk.rs:141:17 [INFO] [stderr] | [INFO] [stderr] 141 | writeln!(write_to, "Unknown OptCode {}", instr); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [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) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/chunk.rs:152:9 [INFO] [stderr] | [INFO] [stderr] 152 | writeln!(write_to, "{}", name); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [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) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/chunk.rs:163:9 [INFO] [stderr] | [INFO] [stderr] 163 | write!(write_to, "{:<16} {:04} ", name, constant); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [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) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/chunk.rs:164:9 [INFO] [stderr] | [INFO] [stderr] 164 | writeln!(write_to, "{}", self.constants[constant as usize]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [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) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/vm.rs:227:9 [INFO] [stderr] | [INFO] [stderr] 227 | writeln!(self.output, "{}", v); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [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) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:38:13 [INFO] [stderr] | [INFO] [stderr] 38 | vm.interpret(); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `TooManyConstants` [INFO] [stderr] --> src/compiler.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | TooManyConstants, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `error_at_current` [INFO] [stderr] --> src/compiler.rs:361:5 [INFO] [stderr] | [INFO] [stderr] 361 | fn error_at_current(&mut self, message: &str) -> CompileError { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Function` [INFO] [stderr] --> src/object.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | Function, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `identifier_equal` [INFO] [stderr] --> src/scanner/token.rs:64:5 [INFO] [stderr] | [INFO] [stderr] 64 | pub fn identifier_equal(&self, other: &Token<'a>) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `take` [INFO] [stderr] --> src/value.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | pub fn take(&mut self) -> Value { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `into_bool` [INFO] [stderr] --> src/value.rs:52:5 [INFO] [stderr] | [INFO] [stderr] 52 | pub fn into_bool(self) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/chunk.rs:111:13 [INFO] [stderr] | [INFO] [stderr] 111 | write!(write_to, " | "); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [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) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/chunk.rs:113:13 [INFO] [stderr] | [INFO] [stderr] 113 | write!(write_to, "{:04} ", line_no); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [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) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/chunk.rs:141:17 [INFO] [stderr] | [INFO] [stderr] 141 | writeln!(write_to, "Unknown OptCode {}", instr); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [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) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/chunk.rs:152:9 [INFO] [stderr] | [INFO] [stderr] 152 | writeln!(write_to, "{}", name); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [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) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/chunk.rs:163:9 [INFO] [stderr] | [INFO] [stderr] 163 | write!(write_to, "{:<16} {:04} ", name, constant); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [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) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/chunk.rs:164:9 [INFO] [stderr] | [INFO] [stderr] 164 | writeln!(write_to, "{}", self.constants[constant as usize]); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [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) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/vm.rs:227:9 [INFO] [stderr] | [INFO] [stderr] 227 | writeln!(self.output, "{}", v); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [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) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:38:13 [INFO] [stderr] | [INFO] [stderr] 38 | vm.interpret(); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.44s [INFO] running `"docker" "inspect" "493ebbf48e6355ce9d513f395a1c6f51c0b9a49d8a57a0fa6389d80430ba3935"` [INFO] running `"docker" "rm" "-f" "493ebbf48e6355ce9d513f395a1c6f51c0b9a49d8a57a0fa6389d80430ba3935"` [INFO] [stdout] 493ebbf48e6355ce9d513f395a1c6f51c0b9a49d8a57a0fa6389d80430ba3935