[INFO] cloning repository https://github.com/Fylipp/brainfuck-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Fylipp/brainfuck-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFylipp%2Fbrainfuck-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFylipp%2Fbrainfuck-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1226d563ecff611f52e849cba4aa819c7cd56689
[INFO] testing Fylipp/brainfuck-rs against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFylipp%2Fbrainfuck-rs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Fylipp/brainfuck-rs on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Fylipp/brainfuck-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c997ba5c9194764cc95eea905beebfade3e024446f86ecaf45abbb78546617e0
[INFO] running `Command { std: "docker" "start" "-a" "c997ba5c9194764cc95eea905beebfade3e024446f86ecaf45abbb78546617e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c997ba5c9194764cc95eea905beebfade3e024446f86ecaf45abbb78546617e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c997ba5c9194764cc95eea905beebfade3e024446f86ecaf45abbb78546617e0", kill_on_drop: false }`
[INFO] [stdout] c997ba5c9194764cc95eea905beebfade3e024446f86ecaf45abbb78546617e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2f2a58144a0540fb8114208a0cc08bae27993d8e3e5284a9a88e265a1fa76d5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a2f2a58144a0540fb8114208a0cc08bae27993d8e3e5284a9a88e265a1fa76d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling brainfuck-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:21:72
[INFO] [stdout]    |
[INFO] [stdout] 21 |             Err(why) => panic!("Failed to open '{}': {}", display, why.description()),
[INFO] [stdout]    |                                                                        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:27:72
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Err(why) => panic!("Failed to read '{}': {}", display, why.description()),
[INFO] [stdout]    |                                                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `exhausted` in initializer of `std::ops::RangeInclusive<_>`
[INFO] [stdout]   --> src/bfr/rt/mod.rs:78:35
[INFO] [stdout]    |
[INFO] [stdout] 78 |                         for i in (std::ops::RangeInclusive {
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^ missing `exhausted`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0063`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `brainfuck-rs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "a2f2a58144a0540fb8114208a0cc08bae27993d8e3e5284a9a88e265a1fa76d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2f2a58144a0540fb8114208a0cc08bae27993d8e3e5284a9a88e265a1fa76d5", kill_on_drop: false }`
[INFO] [stdout] a2f2a58144a0540fb8114208a0cc08bae27993d8e3e5284a9a88e265a1fa76d5