[INFO] cloning repository https://github.com/hamptonmoore/optimizing-brainfuck-compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hamptonmoore/optimizing-brainfuck-compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhamptonmoore%2Foptimizing-brainfuck-compiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhamptonmoore%2Foptimizing-brainfuck-compiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd84d8c09569f77b7f50029ac64eebade3174ac7
[INFO] building hamptonmoore/optimizing-brainfuck-compiler against try#3930b75493eb88cd5431103dbdbc47eb760e9d9b for pr-97025
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhamptonmoore%2Foptimizing-brainfuck-compiler" "/workspace/builds/worker-25/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hamptonmoore/optimizing-brainfuck-compiler on toolchain 3930b75493eb88cd5431103dbdbc47eb760e9d9b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3930b75493eb88cd5431103dbdbc47eb760e9d9b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hamptonmoore/optimizing-brainfuck-compiler
[INFO] finished tweaking git repo https://github.com/hamptonmoore/optimizing-brainfuck-compiler
[INFO] tweaked toml for git repo https://github.com/hamptonmoore/optimizing-brainfuck-compiler written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate git repo https://github.com/hamptonmoore/optimizing-brainfuck-compiler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3930b75493eb88cd5431103dbdbc47eb760e9d9b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+3930b75493eb88cd5431103dbdbc47eb760e9d9b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 965e1eb8012191f74bc569c1f033c110773d19de715469c42550b4fed837ce67
[INFO] running `Command { std: "docker" "start" "-a" "965e1eb8012191f74bc569c1f033c110773d19de715469c42550b4fed837ce67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "965e1eb8012191f74bc569c1f033c110773d19de715469c42550b4fed837ce67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "965e1eb8012191f74bc569c1f033c110773d19de715469c42550b4fed837ce67", kill_on_drop: false }`
[INFO] [stdout] 965e1eb8012191f74bc569c1f033c110773d19de715469c42550b4fed837ce67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+3930b75493eb88cd5431103dbdbc47eb760e9d9b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c038d3848d1b28e4f0b65194a5eebb59aa1f85a5467742fe42dcbbbd2944455
[INFO] running `Command { std: "docker" "start" "-a" "7c038d3848d1b28e4f0b65194a5eebb59aa1f85a5467742fe42dcbbbd2944455", kill_on_drop: false }`
[INFO] [stderr]    Compiling optimizing-brainfuck-compiler v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `stdout`
[INFO] [stdout]   --> src/main.rs:29:25
[INFO] [stdout]    |
[INFO] [stdout] 29 |     use std::io::{stdin,stdout};
[INFO] [stdout]    |                         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 Instruction::Input => {},
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:59:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |                     stdin().read_line(&mut s);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "7c038d3848d1b28e4f0b65194a5eebb59aa1f85a5467742fe42dcbbbd2944455", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c038d3848d1b28e4f0b65194a5eebb59aa1f85a5467742fe42dcbbbd2944455", kill_on_drop: false }`
[INFO] [stdout] 7c038d3848d1b28e4f0b65194a5eebb59aa1f85a5467742fe42dcbbbd2944455
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+3930b75493eb88cd5431103dbdbc47eb760e9d9b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a65bbc4bc79231a5314ec9a6d25b01fc6e40c35683d9098a70717867ea08095
[INFO] running `Command { std: "docker" "start" "-a" "7a65bbc4bc79231a5314ec9a6d25b01fc6e40c35683d9098a70717867ea08095", kill_on_drop: false }`
[INFO] [stderr]    Compiling optimizing-brainfuck-compiler v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `stdout`
[INFO] [stdout]   --> src/main.rs:29:25
[INFO] [stdout]    |
[INFO] [stdout] 29 |     use std::io::{stdin,stdout};
[INFO] [stdout]    |                         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 Instruction::Input => {},
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:59:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |                     stdin().read_line(&mut s);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.95s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/optimizing_brainfuck_compiler-0a5bcce998228eb5)
[INFO] running `Command { std: "docker" "inspect" "7a65bbc4bc79231a5314ec9a6d25b01fc6e40c35683d9098a70717867ea08095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a65bbc4bc79231a5314ec9a6d25b01fc6e40c35683d9098a70717867ea08095", kill_on_drop: false }`
[INFO] [stdout] 7a65bbc4bc79231a5314ec9a6d25b01fc6e40c35683d9098a70717867ea08095