[INFO] updating cached repository lcolaholicl/specht
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lcolaholicl/specht
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lcolaholicl/specht" "work/ex/beta-1.38-1/sources/1.37.0/gh/lcolaholicl/specht"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/lcolaholicl/specht'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lcolaholicl/specht" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lcolaholicl/specht"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lcolaholicl/specht'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ee68ee0a336fac72c4829b6cb50c54f29736d4d7
[INFO] sha for GitHub repo lcolaholicl/specht: ee68ee0a336fac72c4829b6cb50c54f29736d4d7
[INFO] validating manifest of lcolaholicl/specht 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 lcolaholicl/specht 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 lcolaholicl/specht
[INFO] finished frobbing lcolaholicl/specht
[INFO] frobbed toml for lcolaholicl/specht written to work/ex/beta-1.38-1/sources/1.37.0/gh/lcolaholicl/specht/Cargo.toml
[INFO] started frobbing lcolaholicl/specht
[INFO] finished frobbing lcolaholicl/specht
[INFO] frobbed toml for lcolaholicl/specht written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lcolaholicl/specht/Cargo.toml
[INFO] crate lcolaholicl/specht 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 lcolaholicl/specht 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/lcolaholicl/specht:/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] b85a19bf86103b1740c143ecb7180a4538fe281e84dc4ff73585a59a10b32626
[INFO] running `"docker" "start" "-a" "b85a19bf86103b1740c143ecb7180a4538fe281e84dc4ff73585a59a10b32626"`
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling specht v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/interpreter.rs:122:16
[INFO] [stderr]     |
[INFO] [stderr] 122 |             'A'...'Z' | 'a'...'z' | '\n' | ' ' => self.next(),
[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/interpreter.rs:122:28
[INFO] [stderr]     |
[INFO] [stderr] 122 |             'A'...'Z' | 'a'...'z' | '\n' | ' ' => self.next(),
[INFO] [stderr]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/interpreter.rs:129:9
[INFO] [stderr]     |
[INFO] [stderr] 129 |         write!(w, "{}", self.memory.get() as char);
[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]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/interpreter.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 |         w.flush();
[INFO] [stderr]     |         ^^^^^^^^^^
[INFO] [stderr]     |
[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:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     interp.execute(); // TODO: Error handling
[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]     Finished dev [unoptimized + debuginfo] target(s) in 18.19s
[INFO] running `"docker" "inspect" "b85a19bf86103b1740c143ecb7180a4538fe281e84dc4ff73585a59a10b32626"`
[INFO] running `"docker" "rm" "-f" "b85a19bf86103b1740c143ecb7180a4538fe281e84dc4ff73585a59a10b32626"`
[INFO] [stdout] b85a19bf86103b1740c143ecb7180a4538fe281e84dc4ff73585a59a10b32626
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/lcolaholicl/specht:/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] 4b3690f5205fa42626400c28ea41d442c8ffb315fde1cb4c24fbeebb698a9570
[INFO] running `"docker" "start" "-a" "4b3690f5205fa42626400c28ea41d442c8ffb315fde1cb4c24fbeebb698a9570"`
[INFO] [stderr]    Compiling specht v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/interpreter.rs:122:16
[INFO] [stderr]     |
[INFO] [stderr] 122 |             'A'...'Z' | 'a'...'z' | '\n' | ' ' => self.next(),
[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/interpreter.rs:122:28
[INFO] [stderr]     |
[INFO] [stderr] 122 |             'A'...'Z' | 'a'...'z' | '\n' | ' ' => self.next(),
[INFO] [stderr]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     interp.execute(); // TODO: Error handling
[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 variable: `i`
[INFO] [stderr]    --> src/interpreter.rs:207:13
[INFO] [stderr]     |
[INFO] [stderr] 207 |         for i in 1..=10 {
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/interpreter.rs:215:13
[INFO] [stderr]     |
[INFO] [stderr] 215 |         for i in 1..=11 {
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/interpreter.rs:129:9
[INFO] [stderr]     |
[INFO] [stderr] 129 |         write!(w, "{}", self.memory.get() as char);
[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]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/interpreter.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 |         w.flush();
[INFO] [stderr]     |         ^^^^^^^^^^
[INFO] [stderr]     |
[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/interpreter.rs:208:13
[INFO] [stderr]     |
[INFO] [stderr] 208 |             interp.execute_command();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/interpreter.rs:216:13
[INFO] [stderr]     |
[INFO] [stderr] 216 |             interp.execute_command();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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/interpreter.rs:229:9
[INFO] [stderr]     |
[INFO] [stderr] 229 |         interp.execute();
[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 1.71s
[INFO] running `"docker" "inspect" "4b3690f5205fa42626400c28ea41d442c8ffb315fde1cb4c24fbeebb698a9570"`
[INFO] running `"docker" "rm" "-f" "4b3690f5205fa42626400c28ea41d442c8ffb315fde1cb4c24fbeebb698a9570"`
[INFO] [stdout] 4b3690f5205fa42626400c28ea41d442c8ffb315fde1cb4c24fbeebb698a9570
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/lcolaholicl/specht:/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] e1bedd6223df4b17bc28f8b9f0b14fa264c3129bad4cd9e9554eabc55bf43d0a
[INFO] running `"docker" "start" "-a" "e1bedd6223df4b17bc28f8b9f0b14fa264c3129bad4cd9e9554eabc55bf43d0a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/specht-e0675f96a9cbd7ec
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test interpreter::interpreter_test::test_find_bracket ... ignored
[INFO] [stdout] Hello World!
[INFO] [stdout] test interpreter::interpreter_test::test_execute ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/specht-e6ce39a047c76d9a
[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 specht
[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" "e1bedd6223df4b17bc28f8b9f0b14fa264c3129bad4cd9e9554eabc55bf43d0a"`
[INFO] running `"docker" "rm" "-f" "e1bedd6223df4b17bc28f8b9f0b14fa264c3129bad4cd9e9554eabc55bf43d0a"`
[INFO] [stdout] e1bedd6223df4b17bc28f8b9f0b14fa264c3129bad4cd9e9554eabc55bf43d0a