[INFO] cloning repository https://github.com/JoshuaHoffmann/brainfuck_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JoshuaHoffmann/brainfuck_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshuaHoffmann%2Fbrainfuck_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshuaHoffmann%2Fbrainfuck_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76b5a17e45032510496bf60a909d66feb8f58395
[INFO] testing JoshuaHoffmann/brainfuck_rust against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshuaHoffmann%2Fbrainfuck_rust" "/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/JoshuaHoffmann/brainfuck_rust on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JoshuaHoffmann/brainfuck_rust
[INFO] finished tweaking git repo https://github.com/JoshuaHoffmann/brainfuck_rust
[INFO] tweaked toml for git repo https://github.com/JoshuaHoffmann/brainfuck_rust written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate git repo https://github.com/JoshuaHoffmann/brainfuck_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded text_io v0.1.9
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b104f8ff22bc57fd78e314560232f8ea3c39946516d14a5e47877c45e800f4ae
[INFO] running `Command { std: "docker" "start" "-a" "b104f8ff22bc57fd78e314560232f8ea3c39946516d14a5e47877c45e800f4ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b104f8ff22bc57fd78e314560232f8ea3c39946516d14a5e47877c45e800f4ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b104f8ff22bc57fd78e314560232f8ea3c39946516d14a5e47877c45e800f4ae", kill_on_drop: false }`
[INFO] [stdout] b104f8ff22bc57fd78e314560232f8ea3c39946516d14a5e47877c45e800f4ae
[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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66d9929f17c9e0aa5df01b379d0eaeea6317dd12d96d1034b2c38856db3a3ade
[INFO] running `Command { std: "docker" "start" "-a" "66d9929f17c9e0aa5df01b379d0eaeea6317dd12d96d1034b2c38856db3a3ade", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling text_io v0.1.9
[INFO] [stderr]    Compiling brainfuck_interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/interpreter.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn new(p: Program) -> Interpreter {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `search_matching_closing`
[INFO] [stdout]    --> src/interpreter.rs:147:8
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn search_matching_closing(&self, pos_open: &usize) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run_unsafe`
[INFO] [stdout]    --> src/interpreter.rs:169:12
[INFO] [stdout]     |
[INFO] [stdout] 169 |     pub fn run_unsafe(&mut self) {
[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 17.70s
[INFO] running `Command { std: "docker" "inspect" "66d9929f17c9e0aa5df01b379d0eaeea6317dd12d96d1034b2c38856db3a3ade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66d9929f17c9e0aa5df01b379d0eaeea6317dd12d96d1034b2c38856db3a3ade", kill_on_drop: false }`
[INFO] [stdout] 66d9929f17c9e0aa5df01b379d0eaeea6317dd12d96d1034b2c38856db3a3ade
[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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6336027ea06a52b40a5b5eccc045533252b0579dd28b893349036b53e218447
[INFO] running `Command { std: "docker" "start" "-a" "f6336027ea06a52b40a5b5eccc045533252b0579dd28b893349036b53e218447", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling brainfuck_interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/interpreter.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn new(p: Program) -> Interpreter {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `search_matching_closing`
[INFO] [stdout]    --> src/interpreter.rs:147:8
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn search_matching_closing(&self, pos_open: &usize) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run_unsafe`
[INFO] [stdout]    --> src/interpreter.rs:169:12
[INFO] [stdout]     |
[INFO] [stdout] 169 |     pub fn run_unsafe(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3m 49s
[INFO] running `Command { std: "docker" "inspect" "f6336027ea06a52b40a5b5eccc045533252b0579dd28b893349036b53e218447", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6336027ea06a52b40a5b5eccc045533252b0579dd28b893349036b53e218447", kill_on_drop: false }`
[INFO] [stdout] f6336027ea06a52b40a5b5eccc045533252b0579dd28b893349036b53e218447
[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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4186627fccdbc11e379861e5efcbfedfa872e26d385f990de5ae2e44a2b527d9
[INFO] running `Command { std: "docker" "start" "-a" "4186627fccdbc11e379861e5efcbfedfa872e26d385f990de5ae2e44a2b527d9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "4186627fccdbc11e379861e5efcbfedfa872e26d385f990de5ae2e44a2b527d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4186627fccdbc11e379861e5efcbfedfa872e26d385f990de5ae2e44a2b527d9", kill_on_drop: false }`
[INFO] [stdout] 4186627fccdbc11e379861e5efcbfedfa872e26d385f990de5ae2e44a2b527d9