[INFO] crate brain-brainfuck 1.3.0 is already in cache
[INFO] extracting crate brain-brainfuck 1.3.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/brain-brainfuck/1.3.0
[INFO] extracting crate brain-brainfuck 1.3.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/brain-brainfuck/1.3.0
[INFO] validating manifest of brain-brainfuck-1.3.0 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 brain-brainfuck-1.3.0 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 brain-brainfuck-1.3.0
[INFO] finished frobbing brain-brainfuck-1.3.0
[INFO] frobbed toml for brain-brainfuck-1.3.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/brain-brainfuck/1.3.0/Cargo.toml
[INFO] started frobbing brain-brainfuck-1.3.0
[INFO] finished frobbing brain-brainfuck-1.3.0
[INFO] frobbed toml for brain-brainfuck-1.3.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/brain-brainfuck/1.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 brain-brainfuck-1.3.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/brain-brainfuck/1.3.0:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 25bcb60e0d71befdcbbf080164d77cf5f40084a4d7c5dede9f95fa72513f1377
[INFO] running `"docker" "start" "-a" "25bcb60e0d71befdcbbf080164d77cf5f40084a4d7c5dede9f95fa72513f1377"`
[INFO] [stderr]    Compiling brain-brainfuck v1.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/interpreter.rs:100:18
[INFO] [stderr]     |
[INFO] [stderr] 100 | fn fill_matching(mut program: &mut Vec<Instruction>, start: usize) -> usize {
[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]     Finished dev [unoptimized + debuginfo] target(s) in 2.67s
[INFO] running `"docker" "inspect" "25bcb60e0d71befdcbbf080164d77cf5f40084a4d7c5dede9f95fa72513f1377"`
[INFO] running `"docker" "rm" "-f" "25bcb60e0d71befdcbbf080164d77cf5f40084a4d7c5dede9f95fa72513f1377"`
[INFO] [stdout] 25bcb60e0d71befdcbbf080164d77cf5f40084a4d7c5dede9f95fa72513f1377
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/brain-brainfuck/1.3.0:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5a3de1dbb641080841ad3c7b6827cfe35e3378a04b6b11c8783aa14936dd4663
[INFO] running `"docker" "start" "-a" "5a3de1dbb641080841ad3c7b6827cfe35e3378a04b6b11c8783aa14936dd4663"`
[INFO] [stderr]    Compiling brain-brainfuck v1.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/interpreter.rs:100:18
[INFO] [stderr]     |
[INFO] [stderr] 100 | fn fill_matching(mut program: &mut Vec<Instruction>, start: usize) -> usize {
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `"docker" "inspect" "5a3de1dbb641080841ad3c7b6827cfe35e3378a04b6b11c8783aa14936dd4663"`
[INFO] running `"docker" "rm" "-f" "5a3de1dbb641080841ad3c7b6827cfe35e3378a04b6b11c8783aa14936dd4663"`
[INFO] [stdout] 5a3de1dbb641080841ad3c7b6827cfe35e3378a04b6b11c8783aa14936dd4663
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/brain-brainfuck/1.3.0:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 0abf4f103a34b91a09e6abb1ffd6d5973a1033415f0d6e7598ee848a93c48883
[INFO] running `"docker" "start" "-a" "0abf4f103a34b91a09e6abb1ffd6d5973a1033415f0d6e7598ee848a93c48883"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/brainfuck-cc7279f1275e9339
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test debug_format::tests::from_str ... ok
[INFO] [stdout] test interpreter::tests::basic_looping ... ok
[INFO] [stdout] test interpreter::tests::basic_movements ... ok
[INFO] [stdout] test interpreter::tests::callback_behaviour ... ok
[INFO] [stdout] test interpreter::tests::move_left_past_zero ... ok
[INFO] [stdout] test interpreter::tests::reading_input ... ok
[INFO] [stdout] test interpreter::tests::nested_loops ... ok
[INFO] [stdout] test interpreter::tests::hello_world ... ok
[INFO] [stdout] test optlevel::tests::from_str ... ok
[INFO] [stdout] test interpreter::tests::move_right_past_capacity ... ok
[INFO] [stdout] test interpreter::tests::skip_first_loop ... ok
[INFO] [stdout] test interpreter::tests::wrapping ... ok
[INFO] [stdout] test instruction::tests::display ... ok
[INFO] [stdout] test interpreter::tests::mismatched_jumps ... ok
[INFO] [stdout] test precompiler::tests::mismatched_jumps10 ... ok
[INFO] [stdout] test precompiler::tests::mismatched_jumps2 ... ok
[INFO] [stdout] test precompiler::tests::mismatched_jumps6 ... ok
[INFO] [stdout] test precompiler::tests::mismatched_jumps3 ... ok
[INFO] [stdout] test precompiler::tests::mismatched_jumps11 ... ok
[INFO] [stdout] test precompiler::tests::mismatched_jumps4 ... ok
[INFO] [stdout] test precompiler::tests::optimization_levels ... ok
[INFO] [stdout] test precompiler::tests::skip_unrecognized ... ok
[INFO] [stdout] test precompiler::tests::mismatched_jumps5 ... ok
[INFO] [stdout] test precompiler::tests::mismatched_jumps1 ... ok
[INFO] [stdout] test precompiler::tests::mismatched_jumps7 ... ok
[INFO] [stdout] test precompiler::tests::mismatched_jumps8 ... ok
[INFO] [stdout] test precompiler::tests::over_max_expected_jumps ... ok
[INFO] [stdout] test precompiler::tests::mismatched_jumps9 ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/brainfuck-fd5bd28538365dc8
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 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 brainfuck
[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" "0abf4f103a34b91a09e6abb1ffd6d5973a1033415f0d6e7598ee848a93c48883"`
[INFO] running `"docker" "rm" "-f" "0abf4f103a34b91a09e6abb1ffd6d5973a1033415f0d6e7598ee848a93c48883"`
[INFO] [stdout] 0abf4f103a34b91a09e6abb1ffd6d5973a1033415f0d6e7598ee848a93c48883