[INFO] cloning repository https://github.com/jmeyers35/Rust-BF-Interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jmeyers35/Rust-BF-Interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmeyers35%2FRust-BF-Interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmeyers35%2FRust-BF-Interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e361c46f2154ce4a07145909078c73d34722013f
[INFO] checking jmeyers35/Rust-BF-Interpreter against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmeyers35%2FRust-BF-Interpreter" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jmeyers35/Rust-BF-Interpreter on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jmeyers35/Rust-BF-Interpreter
[INFO] finished tweaking git repo https://github.com/jmeyers35/Rust-BF-Interpreter
[INFO] tweaked toml for git repo https://github.com/jmeyers35/Rust-BF-Interpreter written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/jmeyers35/Rust-BF-Interpreter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35bcabf7863064a3b230825626d10ff28f04716baf57d6f749fbd6f1d6e3aaee
[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" "35bcabf7863064a3b230825626d10ff28f04716baf57d6f749fbd6f1d6e3aaee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35bcabf7863064a3b230825626d10ff28f04716baf57d6f749fbd6f1d6e3aaee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35bcabf7863064a3b230825626d10ff28f04716baf57d6f749fbd6f1d6e3aaee", kill_on_drop: false }`
[INFO] [stdout] 35bcabf7863064a3b230825626d10ff28f04716baf57d6f749fbd6f1d6e3aaee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e5d1ecf6e7e3e35fcf5a62d2b4e4560cbc572d2d209d4370438e70a0f82d4d8
[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" "8e5d1ecf6e7e3e35fcf5a62d2b4e4560cbc572d2d209d4370438e70a0f82d4d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking brainfuck-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum is never used: `IRInstr`
[INFO] [stdout]  --> src/ir.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum IRInstr {
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `convert`
[INFO] [stdout]   --> src/ir.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn convert(text: &Vec<u8>) -> Vec<IRInstr> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_consecutive_occurances`
[INFO] [stdout]   --> src/ir.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn count_consecutive_occurances(text: &[u8]) -> i8 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `IRInstr`
[INFO] [stdout]  --> src/ir.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum IRInstr {
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `convert`
[INFO] [stdout]   --> src/ir.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn convert(text: &Vec<u8>) -> Vec<IRInstr> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_consecutive_occurances`
[INFO] [stdout]   --> src/ir.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn count_consecutive_occurances(text: &[u8]) -> i8 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.63s
[INFO] running `Command { std: "docker" "inspect" "8e5d1ecf6e7e3e35fcf5a62d2b4e4560cbc572d2d209d4370438e70a0f82d4d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e5d1ecf6e7e3e35fcf5a62d2b4e4560cbc572d2d209d4370438e70a0f82d4d8", kill_on_drop: false }`
[INFO] [stdout] 8e5d1ecf6e7e3e35fcf5a62d2b4e4560cbc572d2d209d4370438e70a0f82d4d8