[INFO] crate tongue 0.1.2 is already in cache [INFO] extracting crate tongue 0.1.2 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/tongue/0.1.2 [INFO] extracting crate tongue 0.1.2 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/tongue/0.1.2 [INFO] validating manifest of tongue-0.1.2 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of tongue-0.1.2 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing tongue-0.1.2 [INFO] finished frobbing tongue-0.1.2 [INFO] frobbed toml for tongue-0.1.2 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/tongue/0.1.2/Cargo.toml [INFO] started frobbing tongue-0.1.2 [INFO] finished frobbing tongue-0.1.2 [INFO] frobbed toml for tongue-0.1.2 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/tongue/0.1.2/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing tongue-0.1.2 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/tongue/0.1.2:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"` [INFO] [stdout] bdbe8969385daedcddae4685a5916dfdd48b5afd94effdf9014823eed03d50b1 [INFO] running `"docker" "start" "-a" "bdbe8969385daedcddae4685a5916dfdd48b5afd94effdf9014823eed03d50b1"` [INFO] [stderr] Compiling tongue v0.1.2 (/opt/crater/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/tongue/terminal.rs:55:25 [INFO] [stderr] | [INFO] [stderr] 55 | term.c_cflag |= (libc::CS8); [INFO] [stderr] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/tongue/evaluator.rs:60:16 [INFO] [stderr] | [INFO] [stderr] 60 | Ok(n) => {}, [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_n` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tongue/evaluator.rs:23:10 [INFO] [stderr] | [INFO] [stderr] 23 | fn _eval(mut n: Node, config: &mut Config) { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/tongue/util.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | handle.read(&mut buffer); [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] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/tongue/util.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | buf_writer.write(s.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/tongue/util.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | buf_writer.flush(); [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 1.64s [INFO] running `"docker" "inspect" "bdbe8969385daedcddae4685a5916dfdd48b5afd94effdf9014823eed03d50b1"` [INFO] running `"docker" "rm" "-f" "bdbe8969385daedcddae4685a5916dfdd48b5afd94effdf9014823eed03d50b1"` [INFO] [stdout] bdbe8969385daedcddae4685a5916dfdd48b5afd94effdf9014823eed03d50b1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/tongue/0.1.2:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] 242c1a3f17eb331da6e7638e629bd506807bcb62ac9177ffdf0da1c9fdce586f [INFO] running `"docker" "start" "-a" "242c1a3f17eb331da6e7638e629bd506807bcb62ac9177ffdf0da1c9fdce586f"` [INFO] [stderr] Compiling tongue v0.1.2 (/opt/crater/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/tongue/terminal.rs:55:25 [INFO] [stderr] | [INFO] [stderr] 55 | term.c_cflag |= (libc::CS8); [INFO] [stderr] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `expected` [INFO] [stderr] --> src/tongue/lexer.rs:160:13 [INFO] [stderr] | [INFO] [stderr] 160 | let expected: Vec = vec![ [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_expected` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `got` [INFO] [stderr] --> src/tongue/lexer.rs:166:13 [INFO] [stderr] | [INFO] [stderr] 166 | let got = tokenize("println(\"Hello, World!\")"); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_got` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `node` [INFO] [stderr] --> src/tongue/parser.rs:129:9 [INFO] [stderr] | [INFO] [stderr] 129 | let node = Node { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_node` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/tongue/evaluator.rs:60:16 [INFO] [stderr] | [INFO] [stderr] 60 | Ok(n) => {}, [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_n` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tongue/evaluator.rs:23:10 [INFO] [stderr] | [INFO] [stderr] 23 | fn _eval(mut n: Node, config: &mut Config) { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/tongue/util.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | handle.read(&mut buffer); [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] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/tongue/util.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | buf_writer.write(s.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/tongue/util.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | buf_writer.flush(); [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 1.52s [INFO] running `"docker" "inspect" "242c1a3f17eb331da6e7638e629bd506807bcb62ac9177ffdf0da1c9fdce586f"` [INFO] running `"docker" "rm" "-f" "242c1a3f17eb331da6e7638e629bd506807bcb62ac9177ffdf0da1c9fdce586f"` [INFO] [stdout] 242c1a3f17eb331da6e7638e629bd506807bcb62ac9177ffdf0da1c9fdce586f [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/tongue/0.1.2:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"` [INFO] [stdout] 4a3c7bed246f3ea2bca776239b65b26836f84b57e17cbc2799863d0797bbc8a4 [INFO] running `"docker" "start" "-a" "4a3c7bed246f3ea2bca776239b65b26836f84b57e17cbc2799863d0797bbc8a4"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/tongue-fce08929141d0994 [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test tongue::lexer::tokenize_empty ... ok [INFO] [stdout] test tongue::lexer::tokenize_four_token ... ok [INFO] [stdout] test tongue::lexer::tokenize_one_token ... ok [INFO] [stdout] test tongue::parser::parse_plus ... ok [INFO] [stdout] test tongue::lexer::tokenize_two_token ... ok [INFO] [stdout] test tongue::parser::parse_formula ... ok [INFO] [stdout] test tongue::lexer::tokenize_three_token ... ok [INFO] [stdout] test tongue::parser::parse_variable_binding ... ok [INFO] [stdout] test tongue::parser::parse_command_with_args ... ok [INFO] [stderr] Running /opt/crater/target/debug/deps/tongue-c362bb981fc25c3d [INFO] [stdout] test tongue::parser::parse_command_without_args ... ok [INFO] [stdout] test tongue::parser::parse_empty ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests tongue [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "4a3c7bed246f3ea2bca776239b65b26836f84b57e17cbc2799863d0797bbc8a4"` [INFO] running `"docker" "rm" "-f" "4a3c7bed246f3ea2bca776239b65b26836f84b57e17cbc2799863d0797bbc8a4"` [INFO] [stdout] 4a3c7bed246f3ea2bca776239b65b26836f84b57e17cbc2799863d0797bbc8a4