[INFO] cloning repository https://github.com/by77er/bfinterp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/by77er/bfinterp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fby77er%2Fbfinterp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fby77er%2Fbfinterp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dfba5854c639cc0e71c4340c432e8a8a103af876
[INFO] testing by77er/bfinterp against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fby77er%2Fbfinterp" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/by77er/bfinterp 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/by77er/bfinterp
[INFO] finished tweaking git repo https://github.com/by77er/bfinterp
[INFO] tweaked toml for git repo https://github.com/by77er/bfinterp written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/by77er/bfinterp 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 872bc9ec98644d4cc16d455ddc4e92213fb8455aa976b6166d412d23b70182af
[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" "872bc9ec98644d4cc16d455ddc4e92213fb8455aa976b6166d412d23b70182af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "872bc9ec98644d4cc16d455ddc4e92213fb8455aa976b6166d412d23b70182af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "872bc9ec98644d4cc16d455ddc4e92213fb8455aa976b6166d412d23b70182af", kill_on_drop: false }`
[INFO] [stdout] 872bc9ec98644d4cc16d455ddc4e92213fb8455aa976b6166d412d23b70182af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", 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] 7ae7932260737b2135ee94a307851cbf7b1a0d54acd75c9c46f376d2d16208b7
[INFO] running `Command { std: "docker" "start" "-a" "7ae7932260737b2135ee94a307851cbf7b1a0d54acd75c9c46f376d2d16208b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling bfinterp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/bf/vm.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `add`
[INFO] [stdout]   --> src/bf/vm.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     add: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `jez`
[INFO] [stdout]   --> src/bf/vm.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     jez: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `jnz`
[INFO] [stdout]   --> src/bf/vm.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     jnz: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `left`
[INFO] [stdout]   --> src/bf/vm.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     left: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `right`
[INFO] [stdout]   --> src/bf/vm.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     right: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `search_left`
[INFO] [stdout]   --> src/bf/vm.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     search_left: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `search_right`
[INFO] [stdout]   --> src/bf/vm.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     search_right: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `add_move_left`
[INFO] [stdout]   --> src/bf/vm.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     add_move_left: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `add_move_right`
[INFO] [stdout]   --> src/bf/vm.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     add_move_right: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `zero_right`
[INFO] [stdout]   --> src/bf/vm.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     zero_right: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `zero_left`
[INFO] [stdout]   --> src/bf/vm.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     zero_left: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `zero`
[INFO] [stdout]   --> src/bf/vm.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     zero: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `write`
[INFO] [stdout]   --> src/bf/vm.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     write: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `read`
[INFO] [stdout]   --> src/bf/vm.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     read: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `halt`
[INFO] [stdout]   --> src/bf/vm.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     halt: usize 
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "7ae7932260737b2135ee94a307851cbf7b1a0d54acd75c9c46f376d2d16208b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ae7932260737b2135ee94a307851cbf7b1a0d54acd75c9c46f376d2d16208b7", kill_on_drop: false }`
[INFO] [stdout] 7ae7932260737b2135ee94a307851cbf7b1a0d54acd75c9c46f376d2d16208b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c800b3b6a5208f41dd1d29d611b81c06a33921eb96f5efa0d6b0848db2cac2d
[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" "4c800b3b6a5208f41dd1d29d611b81c06a33921eb96f5efa0d6b0848db2cac2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling bfinterp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/bf/vm.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `add`
[INFO] [stdout]   --> src/bf/vm.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     add: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `jez`
[INFO] [stdout]   --> src/bf/vm.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     jez: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `jnz`
[INFO] [stdout]   --> src/bf/vm.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     jnz: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `left`
[INFO] [stdout]   --> src/bf/vm.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     left: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `right`
[INFO] [stdout]   --> src/bf/vm.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     right: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `search_left`
[INFO] [stdout]   --> src/bf/vm.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     search_left: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `search_right`
[INFO] [stdout]   --> src/bf/vm.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     search_right: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `add_move_left`
[INFO] [stdout]   --> src/bf/vm.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     add_move_left: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `add_move_right`
[INFO] [stdout]   --> src/bf/vm.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     add_move_right: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `zero_right`
[INFO] [stdout]   --> src/bf/vm.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     zero_right: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `zero_left`
[INFO] [stdout]   --> src/bf/vm.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     zero_left: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `zero`
[INFO] [stdout]   --> src/bf/vm.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     zero: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `write`
[INFO] [stdout]   --> src/bf/vm.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     write: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `read`
[INFO] [stdout]   --> src/bf/vm.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     read: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `halt`
[INFO] [stdout]   --> src/bf/vm.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     halt: usize 
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "4c800b3b6a5208f41dd1d29d611b81c06a33921eb96f5efa0d6b0848db2cac2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c800b3b6a5208f41dd1d29d611b81c06a33921eb96f5efa0d6b0848db2cac2d", kill_on_drop: false }`
[INFO] [stdout] 4c800b3b6a5208f41dd1d29d611b81c06a33921eb96f5efa0d6b0848db2cac2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 93db785b92217bea59628faee8aab9e080b0dd6e76c5a4f52f90eb6d1e3b143d
[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" "93db785b92217bea59628faee8aab9e080b0dd6e76c5a4f52f90eb6d1e3b143d", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/bf/vm.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `add`
[INFO] [stderr]   --> src/bf/vm.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     add: usize,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `jez`
[INFO] [stderr]   --> src/bf/vm.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     jez: usize,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `jnz`
[INFO] [stderr]   --> src/bf/vm.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     jnz: usize,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `left`
[INFO] [stderr]   --> src/bf/vm.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     left: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `right`
[INFO] [stderr]   --> src/bf/vm.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     right: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `search_left`
[INFO] [stderr]   --> src/bf/vm.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     search_left: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `search_right`
[INFO] [stderr]   --> src/bf/vm.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     search_right: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `add_move_left`
[INFO] [stderr]   --> src/bf/vm.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     add_move_left: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `add_move_right`
[INFO] [stderr]   --> src/bf/vm.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     add_move_right: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `zero_right`
[INFO] [stderr]   --> src/bf/vm.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     zero_right: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `zero_left`
[INFO] [stderr]   --> src/bf/vm.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     zero_left: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `zero`
[INFO] [stderr]   --> src/bf/vm.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     zero: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `write`
[INFO] [stderr]   --> src/bf/vm.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     write: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `read`
[INFO] [stderr]   --> src/bf/vm.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     read: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `halt`
[INFO] [stderr]   --> src/bf/vm.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     halt: usize 
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `bfinterp` (bin "bfinterp" test) generated 16 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bfinterp-611e6e09dd5e4907)
[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" "93db785b92217bea59628faee8aab9e080b0dd6e76c5a4f52f90eb6d1e3b143d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93db785b92217bea59628faee8aab9e080b0dd6e76c5a4f52f90eb6d1e3b143d", kill_on_drop: false }`
[INFO] [stdout] 93db785b92217bea59628faee8aab9e080b0dd6e76c5a4f52f90eb6d1e3b143d