[INFO] updating cached repository jinroh/rust-brainfuck
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jinroh/rust-brainfuck
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jinroh/rust-brainfuck" "work/ex/beta-1.37-6/sources/1.36.0/gh/jinroh/rust-brainfuck"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/jinroh/rust-brainfuck'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jinroh/rust-brainfuck" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jinroh/rust-brainfuck"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jinroh/rust-brainfuck'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7c77cacb3102024deedfa7c67ecbd95127d6dc2f
[INFO] sha for GitHub repo jinroh/rust-brainfuck: 7c77cacb3102024deedfa7c67ecbd95127d6dc2f
[INFO] validating manifest of jinroh/rust-brainfuck on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jinroh/rust-brainfuck on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jinroh/rust-brainfuck
[INFO] finished frobbing jinroh/rust-brainfuck
[INFO] frobbed toml for jinroh/rust-brainfuck written to work/ex/beta-1.37-6/sources/1.36.0/gh/jinroh/rust-brainfuck/Cargo.toml
[INFO] started frobbing jinroh/rust-brainfuck
[INFO] finished frobbing jinroh/rust-brainfuck
[INFO] frobbed toml for jinroh/rust-brainfuck written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jinroh/rust-brainfuck/Cargo.toml
[INFO] crate jinroh/rust-brainfuck already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jinroh/rust-brainfuck against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/jinroh/rust-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] d186732a337cf3d2cf7e09bb3f744facc5fa4a7f6cf1fe0f7542ddf5ca5598d8
[INFO] running `"docker" "start" "-a" "d186732a337cf3d2cf7e09bb3f744facc5fa4a7f6cf1fe0f7542ddf5ca5598d8"`
[INFO] [stderr]    Compiling rust-brainfuck v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused return value of `core::str::<impl str>::trim` that must be used
[INFO] [stderr]    --> src/brfk/interpreter.rs:112:13
[INFO] [stderr]     |
[INFO] [stderr] 112 |             command_string.trim();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this returns the trimmed string as a slice, without modifying the original
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `"docker" "inspect" "d186732a337cf3d2cf7e09bb3f744facc5fa4a7f6cf1fe0f7542ddf5ca5598d8"`
[INFO] running `"docker" "rm" "-f" "d186732a337cf3d2cf7e09bb3f744facc5fa4a7f6cf1fe0f7542ddf5ca5598d8"`
[INFO] [stdout] d186732a337cf3d2cf7e09bb3f744facc5fa4a7f6cf1fe0f7542ddf5ca5598d8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/jinroh/rust-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2a0ea9e7f70dcd0f5a0ef8416ea0b9af8b8a5c30f82d62d32566d5df00a8d400
[INFO] running `"docker" "start" "-a" "2a0ea9e7f70dcd0f5a0ef8416ea0b9af8b8a5c30f82d62d32566d5df00a8d400"`
[INFO] [stderr]    Compiling rust-brainfuck v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused return value of `core::str::<impl str>::trim` that must be used
[INFO] [stderr]    --> src/brfk/interpreter.rs:112:13
[INFO] [stderr]     |
[INFO] [stderr] 112 |             command_string.trim();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this returns the trimmed string as a slice, without modifying the original
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `"docker" "inspect" "2a0ea9e7f70dcd0f5a0ef8416ea0b9af8b8a5c30f82d62d32566d5df00a8d400"`
[INFO] running `"docker" "rm" "-f" "2a0ea9e7f70dcd0f5a0ef8416ea0b9af8b8a5c30f82d62d32566d5df00a8d400"`
[INFO] [stdout] 2a0ea9e7f70dcd0f5a0ef8416ea0b9af8b8a5c30f82d62d32566d5df00a8d400
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/jinroh/rust-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] cb0bb61e88cb4fb36a00b3e4e0cb5dc8ea0d15e056d6c7a0fde26c560f26607e
[INFO] running `"docker" "start" "-a" "cb0bb61e88cb4fb36a00b3e4e0cb5dc8ea0d15e056d6c7a0fde26c560f26607e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_brainfuck-20098fc9a025001e
[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" "cb0bb61e88cb4fb36a00b3e4e0cb5dc8ea0d15e056d6c7a0fde26c560f26607e"`
[INFO] running `"docker" "rm" "-f" "cb0bb61e88cb4fb36a00b3e4e0cb5dc8ea0d15e056d6c7a0fde26c560f26607e"`
[INFO] [stdout] cb0bb61e88cb4fb36a00b3e4e0cb5dc8ea0d15e056d6c7a0fde26c560f26607e