[INFO] updating cached repository https://github.com/lcolaholicl/specht
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ee68ee0a336fac72c4829b6cb50c54f29736d4d7
[INFO] checking lcolaholicl/specht against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flcolaholicl%2Fspecht" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lcolaholicl/specht on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/lcolaholicl/specht
[INFO] finished tweaking git repo https://github.com/lcolaholicl/specht
[INFO] tweaked toml for git repo https://github.com/lcolaholicl/specht written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/lcolaholicl/specht already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ee37d1890f95c625b428fafff519a651a6aa42d9e44d0d22d00b6741a2c3c768
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "ee37d1890f95c625b428fafff519a651a6aa42d9e44d0d22d00b6741a2c3c768"`
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking specht v0.1.0 (/opt/rustwide/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: `...` 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 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] 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 `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 6.62s
[INFO] running `"docker" "inspect" "ee37d1890f95c625b428fafff519a651a6aa42d9e44d0d22d00b6741a2c3c768"`
[INFO] running `"docker" "rm" "-f" "ee37d1890f95c625b428fafff519a651a6aa42d9e44d0d22d00b6741a2c3c768"`
[INFO] [stdout] ee37d1890f95c625b428fafff519a651a6aa42d9e44d0d22d00b6741a2c3c768