[INFO] updating cached repository https://github.com/Fylipp/brainfuck-rs
[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] 1226d563ecff611f52e849cba4aa819c7cd56689
[INFO] testing Fylipp/brainfuck-rs against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFylipp%2Fbrainfuck-rs" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Fylipp/brainfuck-rs on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Fylipp/brainfuck-rs
[INFO] finished tweaking git repo https://github.com/Fylipp/brainfuck-rs
[INFO] tweaked toml for git repo https://github.com/Fylipp/brainfuck-rs written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Fylipp/brainfuck-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] c0760d6d8145fa692fb5d7d3a3095ecf009a0877a247a1f0a2096d730d4ea455
[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" "c0760d6d8145fa692fb5d7d3a3095ecf009a0877a247a1f0a2096d730d4ea455"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling brainfuck-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(inclusive_range)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:21:72
[INFO] [stderr]    |
[INFO] [stderr] 21 |             Err(why) => panic!("Failed to open '{}': {}", display, why.description()),
[INFO] [stderr]    |                                                                        ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:27:72
[INFO] [stderr]    |
[INFO] [stderr] 27 |             Err(why) => panic!("Failed to read '{}': {}", display, why.description()),
[INFO] [stderr]    |                                                                        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0063]: missing field `exhausted` in initializer of `std::ops::RangeInclusive<_>`
[INFO] [stderr]   --> src/bfr/rt/mod.rs:78:35
[INFO] [stderr]    |
[INFO] [stderr] 78 |                         for i in (std::ops::RangeInclusive {
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^ missing `exhausted`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0063, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0063`.
[INFO] [stderr] error: could not compile `brainfuck-rs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c0760d6d8145fa692fb5d7d3a3095ecf009a0877a247a1f0a2096d730d4ea455"`
[INFO] running `"docker" "rm" "-f" "c0760d6d8145fa692fb5d7d3a3095ecf009a0877a247a1f0a2096d730d4ea455"`
[INFO] [stdout] c0760d6d8145fa692fb5d7d3a3095ecf009a0877a247a1f0a2096d730d4ea455