[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] checking by77er/bfinterp against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fby77er%2Fbfinterp" "/workspace/builds/worker-115/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-115/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/by77er/bfinterp on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-115/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f1710befa5cd2469018b64193904074304f575e0bb995d1d9b55705101659b5
[INFO] running `Command { std: "docker" "start" "-a" "9f1710befa5cd2469018b64193904074304f575e0bb995d1d9b55705101659b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f1710befa5cd2469018b64193904074304f575e0bb995d1d9b55705101659b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f1710befa5cd2469018b64193904074304f575e0bb995d1d9b55705101659b5", kill_on_drop: false }`
[INFO] [stdout] 9f1710befa5cd2469018b64193904074304f575e0bb995d1d9b55705101659b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af0f64e428743583cc91f56e74e2ec6f2d5a68f1b7e010dd2172db3c69077c98
[INFO] running `Command { std: "docker" "start" "-a" "af0f64e428743583cc91f56e74e2ec6f2d5a68f1b7e010dd2172db3c69077c98", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking 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: 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] [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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.83s
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "af0f64e428743583cc91f56e74e2ec6f2d5a68f1b7e010dd2172db3c69077c98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af0f64e428743583cc91f56e74e2ec6f2d5a68f1b7e010dd2172db3c69077c98", kill_on_drop: false }`
[INFO] [stdout] af0f64e428743583cc91f56e74e2ec6f2d5a68f1b7e010dd2172db3c69077c98