[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] 954f73b0d565cb49278d13eb3c1222e45d495e9a
[INFO] testing JoshuaHoffmann/brainfuck_rust against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshuaHoffmann%2Fbrainfuck_rust" "/workspace/builds/worker-61/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-61/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JoshuaHoffmann/brainfuck_rust on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-61/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" "+62efba8a050c64249dab942951bb28f710208bc8" "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-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58677beffe587f3a43d15514333ef1a63fa36bd64294b02cc6b946e81a40841e
[INFO] running `Command { std: "docker" "start" "-a" "58677beffe587f3a43d15514333ef1a63fa36bd64294b02cc6b946e81a40841e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58677beffe587f3a43d15514333ef1a63fa36bd64294b02cc6b946e81a40841e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58677beffe587f3a43d15514333ef1a63fa36bd64294b02cc6b946e81a40841e", kill_on_drop: false }`
[INFO] [stdout] 58677beffe587f3a43d15514333ef1a63fa36bd64294b02cc6b946e81a40841e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90df398e2ecbf2cab25463e74a57be7a695eb0044c604a2e6c2fd17b0b77a30f
[INFO] running `Command { std: "docker" "start" "-a" "90df398e2ecbf2cab25463e74a57be7a695eb0044c604a2e6c2fd17b0b77a30f", 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: `run_unsafe`
[INFO] [stdout]    --> src/interpreter.rs:148:12
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn run_unsafe(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.81s
[INFO] running `Command { std: "docker" "inspect" "90df398e2ecbf2cab25463e74a57be7a695eb0044c604a2e6c2fd17b0b77a30f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90df398e2ecbf2cab25463e74a57be7a695eb0044c604a2e6c2fd17b0b77a30f", kill_on_drop: false }`
[INFO] [stdout] 90df398e2ecbf2cab25463e74a57be7a695eb0044c604a2e6c2fd17b0b77a30f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07d51f98ddc51b6055de766f1356fdb9a8a989eec3331ab308be7c4aa5e41104
[INFO] running `Command { std: "docker" "start" "-a" "07d51f98ddc51b6055de766f1356fdb9a8a989eec3331ab308be7c4aa5e41104", 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: `run_unsafe`
[INFO] [stdout]    --> src/interpreter.rs:148:12
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub fn run_unsafe(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "07d51f98ddc51b6055de766f1356fdb9a8a989eec3331ab308be7c4aa5e41104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07d51f98ddc51b6055de766f1356fdb9a8a989eec3331ab308be7c4aa5e41104", kill_on_drop: false }`
[INFO] [stdout] 07d51f98ddc51b6055de766f1356fdb9a8a989eec3331ab308be7c4aa5e41104
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3d358572ff728c397dfcb0774f1d5b68eee07522ce2e5c37bc441e061d2e7afb
[INFO] running `Command { std: "docker" "start" "-a" "3d358572ff728c397dfcb0774f1d5b68eee07522ce2e5c37bc441e061d2e7afb", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/interpreter.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn new(p: Program) -> Interpreter {
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `run_unsafe`
[INFO] [stderr]    --> src/interpreter.rs:148:12
[INFO] [stderr]     |
[INFO] [stderr] 148 |     pub fn run_unsafe(&mut self) {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `brainfuck_interpreter` (bin "brainfuck_interpreter" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/brainfuck_interpreter-96ebb09ab235cf69)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3d358572ff728c397dfcb0774f1d5b68eee07522ce2e5c37bc441e061d2e7afb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d358572ff728c397dfcb0774f1d5b68eee07522ce2e5c37bc441e061d2e7afb", kill_on_drop: false }`
[INFO] [stdout] 3d358572ff728c397dfcb0774f1d5b68eee07522ce2e5c37bc441e061d2e7afb