[INFO] cloning repository treyzania/brainfuck
[INFO] running `"git" "clone" "--bare" "git://github.com/treyzania/brainfuck.git" "work/cache/sources/gh/treyzania/brainfuck"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/treyzania/brainfuck'...
[INFO] running `"git" "clone" "work/cache/sources/gh/treyzania/brainfuck" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/treyzania/brainfuck"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/treyzania/brainfuck'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/treyzania/brainfuck" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/treyzania/brainfuck"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/treyzania/brainfuck'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4923325699a6d1f4dbf88981c30bbc3455a458ea
[INFO] sha for GitHub repo treyzania/brainfuck: 4923325699a6d1f4dbf88981c30bbc3455a458ea
[INFO] validating manifest of treyzania/brainfuck on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of treyzania/brainfuck on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing treyzania/brainfuck
[INFO] finished frobbing treyzania/brainfuck
[INFO] frobbed toml for treyzania/brainfuck written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/treyzania/brainfuck/Cargo.toml
[INFO] started frobbing treyzania/brainfuck
[INFO] finished frobbing treyzania/brainfuck
[INFO] frobbed toml for treyzania/brainfuck written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/treyzania/brainfuck/Cargo.toml
[INFO] crate treyzania/brainfuck already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v2.29.3
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] testing treyzania/brainfuck against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/treyzania/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=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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] fbace8ffc750742d22915f0eee663d632f9adfb427befab7dc6f7849b21c8463
[INFO] running `"docker" "start" "-a" "fbace8ffc750742d22915f0eee663d632f9adfb427befab7dc6f7849b21c8463"`
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling structopt-derive v0.1.6
[INFO] [stderr]    Compiling clap v2.29.3
[INFO] [stderr]    Compiling structopt v0.1.7
[INFO] [stderr]    Compiling brainfuck v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:125:21
[INFO] [stderr]     |
[INFO] [stderr] 125 |                 let mut tab = &indent(indentation);
[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 14.75s
[INFO] running `"docker" "inspect" "fbace8ffc750742d22915f0eee663d632f9adfb427befab7dc6f7849b21c8463"`
[INFO] running `"docker" "rm" "-f" "fbace8ffc750742d22915f0eee663d632f9adfb427befab7dc6f7849b21c8463"`
[INFO] [stdout] fbace8ffc750742d22915f0eee663d632f9adfb427befab7dc6f7849b21c8463
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/treyzania/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=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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] fef73a8e82443b94c1db6fd3f7c812c896e1767e8f58a1410fd15dbb4ff9375d
[INFO] running `"docker" "start" "-a" "fef73a8e82443b94c1db6fd3f7c812c896e1767e8f58a1410fd15dbb4ff9375d"`
[INFO] [stderr]    Compiling brainfuck v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:125:21
[INFO] [stderr]     |
[INFO] [stderr] 125 |                 let mut tab = &indent(indentation);
[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 2m 24s
[INFO] running `"docker" "inspect" "fef73a8e82443b94c1db6fd3f7c812c896e1767e8f58a1410fd15dbb4ff9375d"`
[INFO] running `"docker" "rm" "-f" "fef73a8e82443b94c1db6fd3f7c812c896e1767e8f58a1410fd15dbb4ff9375d"`
[INFO] [stdout] fef73a8e82443b94c1db6fd3f7c812c896e1767e8f58a1410fd15dbb4ff9375d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/treyzania/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=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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 9ce6b728de8f2a83439609c94f94acb01631d1cedad93f8e35a0f12db1452db5
[INFO] running `"docker" "start" "-a" "9ce6b728de8f2a83439609c94f94acb01631d1cedad93f8e35a0f12db1452db5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/brainfuck-ae3f66243f7b1e52
[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" "9ce6b728de8f2a83439609c94f94acb01631d1cedad93f8e35a0f12db1452db5"`
[INFO] running `"docker" "rm" "-f" "9ce6b728de8f2a83439609c94f94acb01631d1cedad93f8e35a0f12db1452db5"`
[INFO] [stdout] 9ce6b728de8f2a83439609c94f94acb01631d1cedad93f8e35a0f12db1452db5