[INFO] updating cached repository razielgn/brainfuck
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/razielgn/brainfuck
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/razielgn/brainfuck" "work/ex/beta-1.38-1/sources/1.37.0/gh/razielgn/brainfuck"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/razielgn/brainfuck'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/razielgn/brainfuck" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/razielgn/brainfuck"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/razielgn/brainfuck'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 01fe67da0027a2093beb74695f96117730581d0d
[INFO] sha for GitHub repo razielgn/brainfuck: 01fe67da0027a2093beb74695f96117730581d0d
[INFO] validating manifest of razielgn/brainfuck 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 razielgn/brainfuck 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 razielgn/brainfuck
[INFO] finished frobbing razielgn/brainfuck
[INFO] frobbed toml for razielgn/brainfuck written to work/ex/beta-1.38-1/sources/1.37.0/gh/razielgn/brainfuck/Cargo.toml
[INFO] started frobbing razielgn/brainfuck
[INFO] finished frobbing razielgn/brainfuck
[INFO] frobbed toml for razielgn/brainfuck written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/razielgn/brainfuck/Cargo.toml
[INFO] crate razielgn/brainfuck 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 razielgn/brainfuck 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/razielgn/brainfuck:/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] 075b94a7601874db6b20902eecfbe030985f0867080cc1cafcd7b14960cd79e1
[INFO] running `"docker" "start" "-a" "075b94a7601874db6b20902eecfbe030985f0867080cc1cafcd7b14960cd79e1"`
[INFO] [stderr]    Compiling brainfuck v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `"docker" "inspect" "075b94a7601874db6b20902eecfbe030985f0867080cc1cafcd7b14960cd79e1"`
[INFO] running `"docker" "rm" "-f" "075b94a7601874db6b20902eecfbe030985f0867080cc1cafcd7b14960cd79e1"`
[INFO] [stdout] 075b94a7601874db6b20902eecfbe030985f0867080cc1cafcd7b14960cd79e1
[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/razielgn/brainfuck:/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] b0c5f203bbc7c6298535f51cc157515f8fa15bcbc192a7b4d334ac14028ee9aa
[INFO] running `"docker" "start" "-a" "b0c5f203bbc7c6298535f51cc157515f8fa15bcbc192a7b4d334ac14028ee9aa"`
[INFO] [stderr]    Compiling brainfuck v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]    --> src/brainfuck/interpreter.rs:190:28
[INFO] [stderr]     |
[INFO] [stderr] 190 |     use super::{Brainfuck, Error};
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `"docker" "inspect" "b0c5f203bbc7c6298535f51cc157515f8fa15bcbc192a7b4d334ac14028ee9aa"`
[INFO] running `"docker" "rm" "-f" "b0c5f203bbc7c6298535f51cc157515f8fa15bcbc192a7b4d334ac14028ee9aa"`
[INFO] [stdout] b0c5f203bbc7c6298535f51cc157515f8fa15bcbc192a7b4d334ac14028ee9aa
[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/razielgn/brainfuck:/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] 3e67b2a7ae4e012ab0de1702c406545a9d86ac7576769b38267dd946292e0de3
[INFO] running `"docker" "start" "-a" "3e67b2a7ae4e012ab0de1702c406545a9d86ac7576769b38267dd946292e0de3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/brainfuck-5bd7754ea95572a9
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test interpreter::test::hello_world ... ok
[INFO] [stdout] test interpreter::test::initialized ... ok
[INFO] [stdout] test interpreter::test::hello_world_complex ... ok
[INFO] [stdout] test interpreter::test::instruction_less_than ... ok
[INFO] [stdout] test interpreter::test::instruction_less_than_2 ... ok
[INFO] [stdout] test interpreter::test::instruction_minus ... ok
[INFO] [stdout] test interpreter::test::instruction_greater_than ... ok
[INFO] [stdout] test interpreter::test::instruction_dot_2 ... ok
[INFO] [stdout] test interpreter::test::instruction_dot ... ok
[INFO] [stdout] test interpreter::test::instruction_minus_2 ... ok
[INFO] [stdout] test interpreter::test::instruction_plus ... ok
[INFO] [stdout] test interpreter::test::instruction_plus_2 ... ok
[INFO] [stdout] test optimizer::test::compact_add ... ok
[INFO] [stdout] test optimizer::test::compact_add_sub ... ok
[INFO] [stdout] test optimizer::test::compact_left ... ok
[INFO] [stdout] test optimizer::test::compact_right_left ... ok
[INFO] [stdout] test optimizer::test::compact_sub ... ok
[INFO] [stdout] test optimizer::test::compact_right ... ok
[INFO] [stdout] test interpreter::test::instruction_comma_2 ... ok
[INFO] [stdout] test interpreter::test::instruction_comma ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3e67b2a7ae4e012ab0de1702c406545a9d86ac7576769b38267dd946292e0de3"`
[INFO] running `"docker" "rm" "-f" "3e67b2a7ae4e012ab0de1702c406545a9d86ac7576769b38267dd946292e0de3"`
[INFO] [stdout] 3e67b2a7ae4e012ab0de1702c406545a9d86ac7576769b38267dd946292e0de3