[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/beta-1.38-1/sources/1.37.0/gh/VoxWave/Compilers2018"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/VoxWave/Compilers2018'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/VoxWave/Compilers2018" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/VoxWave/Compilers2018"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of VoxWave/Compilers2018 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/gh/VoxWave/Compilers2018/Cargo.toml [INFO] crate VoxWave/Compilers2018 already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing VoxWave/Compilers2018 against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/VoxWave/Compilers2018:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] a6e776a39bf43edc4a844bbad7b7b4fe21db0a1fa1c8d203d9f7db86e5f17b4e [INFO] running `"docker" "start" "-a" "a6e776a39bf43edc4a844bbad7b7b4fe21db0a1fa1c8d203d9f7db86e5f17b4e"` [INFO] [stderr] Compiling num-traits v0.2.0 [INFO] [stderr] Compiling char_stream v0.1.8 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling num-integer v0.1.36 [INFO] [stderr] Compiling num-complex v0.1.43 [INFO] [stderr] Compiling rayon-core v1.4.0 [INFO] [stderr] Compiling num-bigint v0.1.43 [INFO] [stderr] Compiling num-iter v0.1.35 [INFO] [stderr] Compiling rayon v1.0.1 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling num v0.1.42 [INFO] [stderr] Compiling 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: `...` range patterns are deprecated [INFO] [stderr] --> src/scanner/mod.rs:170:24 [INFO] [stderr] | [INFO] [stderr] 170 | '0'...'9' => ScanMode::Number, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/scanner/mod.rs:213:20 [INFO] [stderr] | [INFO] [stderr] 213 | '0'...'8' | 'x' | 'U' | 'u' => { [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/scanner/mod.rs:229:24 [INFO] [stderr] | [INFO] [stderr] 229 | '0'...'9' | 'a'...'f' | 'A'...'F' => { [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/scanner/mod.rs:229:36 [INFO] [stderr] | [INFO] [stderr] 229 | '0'...'9' | 'a'...'f' | 'A'...'F' => { [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/scanner/mod.rs:229:48 [INFO] [stderr] | [INFO] [stderr] 229 | '0'...'9' | 'a'...'f' | 'A'...'F' => { [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/scanner/mod.rs:248:20 [INFO] [stderr] | [INFO] [stderr] 248 | '0'...'7' => { [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/scanner/mod.rs:251:28 [INFO] [stderr] | [INFO] [stderr] 251 | '0'...'7' => self.escape_buffer.push(c), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/scanner/mod.rs:272:28 [INFO] [stderr] | [INFO] [stderr] 272 | '0'...'9' | 'a'...'f' | 'A'...'F' => self.escape_buffer.push(c), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/scanner/mod.rs:272:40 [INFO] [stderr] | [INFO] [stderr] 272 | '0'...'9' | 'a'...'f' | 'A'...'F' => self.escape_buffer.push(c), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/scanner/mod.rs:272:52 [INFO] [stderr] | [INFO] [stderr] 272 | '0'...'9' | 'a'...'f' | 'A'...'F' => self.escape_buffer.push(c), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/scanner/mod.rs:303:16 [INFO] [stderr] | [INFO] [stderr] 303 | '0'...'9' => self.buffer.push(c), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [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: variable does not need to be mutable [INFO] [stderr] --> src/interpreter.rs:171:47 [INFO] [stderr] | [INFO] [stderr] 171 | Statement::For(var, from, to, mut stmts) => { [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/interpreter.rs:203:25 [INFO] [stderr] | [INFO] [stderr] 203 | let mut control_variable = self.context.get_mut(&var).unwrap(); [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 16.35s [INFO] running `"docker" "inspect" "a6e776a39bf43edc4a844bbad7b7b4fe21db0a1fa1c8d203d9f7db86e5f17b4e"` [INFO] running `"docker" "rm" "-f" "a6e776a39bf43edc4a844bbad7b7b4fe21db0a1fa1c8d203d9f7db86e5f17b4e"` [INFO] [stdout] a6e776a39bf43edc4a844bbad7b7b4fe21db0a1fa1c8d203d9f7db86e5f17b4e [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/VoxWave/Compilers2018:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] e2730aee9d36c916e917860a1fe88e0acabb19d50660228659d743c848321d68 [INFO] running `"docker" "start" "-a" "e2730aee9d36c916e917860a1fe88e0acabb19d50660228659d743c848321d68"` [INFO] [stderr] Compiling 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: `...` range patterns are deprecated [INFO] [stderr] --> src/scanner/mod.rs:170:24 [INFO] [stderr] | [INFO] [stderr] 170 | '0'...'9' => ScanMode::Number, [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/scanner/mod.rs:213:20 [INFO] [stderr] | [INFO] [stderr] 213 | '0'...'8' | 'x' | 'U' | 'u' => { [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/scanner/mod.rs:229:24 [INFO] [stderr] | [INFO] [stderr] 229 | '0'...'9' | 'a'...'f' | 'A'...'F' => { [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/scanner/mod.rs:229:36 [INFO] [stderr] | [INFO] [stderr] 229 | '0'...'9' | 'a'...'f' | 'A'...'F' => { [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/scanner/mod.rs:229:48 [INFO] [stderr] | [INFO] [stderr] 229 | '0'...'9' | 'a'...'f' | 'A'...'F' => { [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/scanner/mod.rs:248:20 [INFO] [stderr] | [INFO] [stderr] 248 | '0'...'7' => { [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/scanner/mod.rs:251:28 [INFO] [stderr] | [INFO] [stderr] 251 | '0'...'7' => self.escape_buffer.push(c), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/scanner/mod.rs:272:28 [INFO] [stderr] | [INFO] [stderr] 272 | '0'...'9' | 'a'...'f' | 'A'...'F' => self.escape_buffer.push(c), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/scanner/mod.rs:272:40 [INFO] [stderr] | [INFO] [stderr] 272 | '0'...'9' | 'a'...'f' | 'A'...'F' => self.escape_buffer.push(c), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/scanner/mod.rs:272:52 [INFO] [stderr] | [INFO] [stderr] 272 | '0'...'9' | 'a'...'f' | 'A'...'F' => self.escape_buffer.push(c), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/scanner/mod.rs:303:16 [INFO] [stderr] | [INFO] [stderr] 303 | '0'...'9' => self.buffer.push(c), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [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: 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: variable does not need to be mutable [INFO] [stderr] --> src/interpreter.rs:171:47 [INFO] [stderr] | [INFO] [stderr] 171 | Statement::For(var, from, to, mut stmts) => { [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/interpreter.rs:203:25 [INFO] [stderr] | [INFO] [stderr] 203 | let mut control_variable = self.context.get_mut(&var).unwrap(); [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 1.86s [INFO] running `"docker" "inspect" "e2730aee9d36c916e917860a1fe88e0acabb19d50660228659d743c848321d68"` [INFO] running `"docker" "rm" "-f" "e2730aee9d36c916e917860a1fe88e0acabb19d50660228659d743c848321d68"` [INFO] [stdout] e2730aee9d36c916e917860a1fe88e0acabb19d50660228659d743c848321d68 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/VoxWave/Compilers2018:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] d6876a8abb82350412f35d912e141698051f26ab9d50820cbc88896ebe464c60 [INFO] running `"docker" "start" "-a" "d6876a8abb82350412f35d912e141698051f26ab9d50820cbc88896ebe464c60"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/minipl_compiler-a4450ca73a1041bd [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test scanner::test::example_program_1 ... ok [INFO] [stdout] test parser::test::example_program_2 ... ok [INFO] [stdout] test scanner::test::example_program_2 ... ok [INFO] [stdout] test scanner::test::example_program_3 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "d6876a8abb82350412f35d912e141698051f26ab9d50820cbc88896ebe464c60"` [INFO] running `"docker" "rm" "-f" "d6876a8abb82350412f35d912e141698051f26ab9d50820cbc88896ebe464c60"` [INFO] [stdout] d6876a8abb82350412f35d912e141698051f26ab9d50820cbc88896ebe464c60