[INFO] updating cached repository VoxWave/Compilers2018 [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/VoxWave/Compilers2018 [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/VoxWave/Compilers2018" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/VoxWave/Compilers2018"` [INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/VoxWave/Compilers2018'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/VoxWave/Compilers2018" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/VoxWave/Compilers2018"` [INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/VoxWave/Compilers2018'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ba4fcdaabdef34f3da20321a7a9e49d6556eb676 [INFO] sha for GitHub repo VoxWave/Compilers2018: ba4fcdaabdef34f3da20321a7a9e49d6556eb676 [INFO] validating manifest of VoxWave/Compilers2018 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 VoxWave/Compilers2018 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 VoxWave/Compilers2018 [INFO] finished frobbing VoxWave/Compilers2018 [INFO] frobbed toml for VoxWave/Compilers2018 written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/VoxWave/Compilers2018/Cargo.toml [INFO] started frobbing VoxWave/Compilers2018 [INFO] finished frobbing VoxWave/Compilers2018 [INFO] frobbed toml for VoxWave/Compilers2018 written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/VoxWave/Compilers2018/Cargo.toml [INFO] crate VoxWave/Compilers2018 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 VoxWave/Compilers2018 against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-5/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/VoxWave/Compilers2018:/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" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] d71ae9f52340e67b2bf7d55cb71b1629389e8cfb193add8fe2a72ff3f6a373b5 [INFO] running `"docker" "start" "-a" "d71ae9f52340e67b2bf7d55cb71b1629389e8cfb193add8fe2a72ff3f6a373b5"` [INFO] [stderr] Checking char_stream v0.1.8 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking num-bigint v0.1.43 [INFO] [stderr] Checking rayon-core v1.4.0 [INFO] [stderr] Checking rayon v1.0.1 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking minipl-compiler v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::sync::mpsc::Sender` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::sync::mpsc::Sender; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::mpsc::Receiver` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::sync::mpsc::Receiver; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::process::abort` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::process::abort; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::mpsc::Sender` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::sync::mpsc::Sender; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::mpsc::Receiver` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::sync::mpsc::Receiver; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::process::abort` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::process::abort; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/parser/mod.rs:255:17 [INFO] [stderr] | [INFO] [stderr] 255 | _ => panic!("unexpected Token {:#?} read during", t), [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unreachable_patterns)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b` [INFO] [stderr] --> src/interpreter.rs:207:33 [INFO] [stderr] | [INFO] [stderr] 207 | Value::Bool(b) => panic!("boolean printing is not supported"), [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_b` [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/main.rs:29:27 [INFO] [stderr] | [INFO] [stderr] 29 | let (mut kill_switch, mut kill_signal) = channel(); [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: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:29:10 [INFO] [stderr] | [INFO] [stderr] 29 | let (mut kill_switch, mut kill_signal) = channel(); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser/test.rs:20:9 [INFO] [stderr] | [INFO] [stderr] 20 | let mut expected: VecDeque<_> = vec![ [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | kill_switch.send(true); [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/main.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | kill_signal.recv(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/parser/mod.rs:255:17 [INFO] [stderr] | [INFO] [stderr] 255 | _ => panic!("unexpected Token {:#?} read during", t), [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unreachable_patterns)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b` [INFO] [stderr] --> src/interpreter.rs:207:33 [INFO] [stderr] | [INFO] [stderr] 207 | Value::Bool(b) => panic!("boolean printing is not supported"), [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_b` [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/main.rs:29:10 [INFO] [stderr] | [INFO] [stderr] 29 | let (mut kill_switch, mut kill_signal) = channel(); [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: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:29:27 [INFO] [stderr] | [INFO] [stderr] 29 | let (mut kill_switch, mut kill_signal) = channel(); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | kill_switch.send(true); [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/main.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | kill_signal.recv(); [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 6.21s [INFO] running `"docker" "inspect" "d71ae9f52340e67b2bf7d55cb71b1629389e8cfb193add8fe2a72ff3f6a373b5"` [INFO] running `"docker" "rm" "-f" "d71ae9f52340e67b2bf7d55cb71b1629389e8cfb193add8fe2a72ff3f6a373b5"` [INFO] [stdout] d71ae9f52340e67b2bf7d55cb71b1629389e8cfb193add8fe2a72ff3f6a373b5