[INFO] cloning repository https://github.com/mantis133/brain-fuck-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mantis133/brain-fuck-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmantis133%2Fbrain-fuck-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmantis133%2Fbrain-fuck-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 734a194461f2859b69ea954488906f2a3ff07101
[INFO] testing mantis133/brain-fuck-interpreter against 1.95.0 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmantis133%2Fbrain-fuck-interpreter" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mantis133/brain-fuck-interpreter
[INFO] finished tweaking git repo https://github.com/mantis133/brain-fuck-interpreter
[INFO] tweaked toml for git repo https://github.com/mantis133/brain-fuck-interpreter written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mantis133/brain-fuck-interpreter on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mantis133/brain-fuck-interpreter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e17a623b6a0f4149dd2a7b9eb4c0ecc9016f90a5e13d587afa81f663761d7684
[INFO] running `Command { std: "docker" "start" "-a" "e17a623b6a0f4149dd2a7b9eb4c0ecc9016f90a5e13d587afa81f663761d7684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e17a623b6a0f4149dd2a7b9eb4c0ecc9016f90a5e13d587afa81f663761d7684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e17a623b6a0f4149dd2a7b9eb4c0ecc9016f90a5e13d587afa81f663761d7684", kill_on_drop: false }`
[INFO] [stdout] e17a623b6a0f4149dd2a7b9eb4c0ecc9016f90a5e13d587afa81f663761d7684
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28b47f40b9b966203f5d75ab1cc75f69c27c07e9bd13984380a490edae53163b
[INFO] running `Command { std: "docker" "start" "-a" "28b47f40b9b966203f5d75ab1cc75f69c27c07e9bd13984380a490edae53163b", kill_on_drop: false }`
[INFO] [stderr]    Compiling brain-fuck-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:133:30
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub fn compute_token_ascii_e(mut memory:Vec<u8>, tape: Vec<char>) {
[INFO] [stdout]     |                              ----^^^^^^
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]    --> src/lib.rs:133:30
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub fn compute_token_ascii_e(mut memory:Vec<u8>, tape: Vec<char>) {
[INFO] [stdout]     |                              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tape`
[INFO] [stdout]    --> src/lib.rs:133:50
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub fn compute_token_ascii_e(mut memory:Vec<u8>, tape: Vec<char>) {
[INFO] [stdout]     |                                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_tape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:137:29
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub fn compute_token_utf8_s(mut memory:Vec<u32>, tape: Vec<char>) {
[INFO] [stdout]     |                             ----^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]    --> src/lib.rs:137:29
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub fn compute_token_utf8_s(mut memory:Vec<u32>, tape: Vec<char>) {
[INFO] [stdout]     |                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tape`
[INFO] [stdout]    --> src/lib.rs:137:50
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub fn compute_token_utf8_s(mut memory:Vec<u32>, tape: Vec<char>) {
[INFO] [stdout]     |                                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_tape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:141:29
[INFO] [stdout]     |
[INFO] [stdout] 141 | pub fn compute_token_utf8_e(mut memory:Vec<u32>, tape: Vec<char>) {
[INFO] [stdout]     |                             ----^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]    --> src/lib.rs:141:29
[INFO] [stdout]     |
[INFO] [stdout] 141 | pub fn compute_token_utf8_e(mut memory:Vec<u32>, tape: Vec<char>) {
[INFO] [stdout]     |                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tape`
[INFO] [stdout]    --> src/lib.rs:141:50
[INFO] [stdout]     |
[INFO] [stdout] 141 | pub fn compute_token_utf8_e(mut memory:Vec<u32>, tape: Vec<char>) {
[INFO] [stdout]     |                                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_tape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> src/main.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |         Err(error) => {std::process::exit(1)}
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> src/main.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |         Err(error) => {std::process::exit(2)}
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> src/main.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         Err(error) => {std::process::exit(3)}
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> src/main.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Err(error) => {std::process::exit(4)}
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "28b47f40b9b966203f5d75ab1cc75f69c27c07e9bd13984380a490edae53163b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28b47f40b9b966203f5d75ab1cc75f69c27c07e9bd13984380a490edae53163b", kill_on_drop: false }`
[INFO] [stdout] 28b47f40b9b966203f5d75ab1cc75f69c27c07e9bd13984380a490edae53163b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50480245217fdfc49c59a418804e2a06f0519d82461f8ff9bdbe9da8d9d79ec2
[INFO] running `Command { std: "docker" "start" "-a" "50480245217fdfc49c59a418804e2a06f0519d82461f8ff9bdbe9da8d9d79ec2", kill_on_drop: false }`
[INFO] [stderr]    Compiling brain-fuck-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:133:30
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub fn compute_token_ascii_e(mut memory:Vec<u8>, tape: Vec<char>) {
[INFO] [stdout]     |                              ----^^^^^^
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]    --> src/lib.rs:133:30
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub fn compute_token_ascii_e(mut memory:Vec<u8>, tape: Vec<char>) {
[INFO] [stdout]     |                              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tape`
[INFO] [stdout]    --> src/lib.rs:133:50
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub fn compute_token_ascii_e(mut memory:Vec<u8>, tape: Vec<char>) {
[INFO] [stdout]     |                                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_tape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:137:29
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub fn compute_token_utf8_s(mut memory:Vec<u32>, tape: Vec<char>) {
[INFO] [stdout]     |                             ----^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]    --> src/lib.rs:137:29
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub fn compute_token_utf8_s(mut memory:Vec<u32>, tape: Vec<char>) {
[INFO] [stdout]     |                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tape`
[INFO] [stdout]    --> src/lib.rs:137:50
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub fn compute_token_utf8_s(mut memory:Vec<u32>, tape: Vec<char>) {
[INFO] [stdout]     |                                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_tape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:141:29
[INFO] [stdout]     |
[INFO] [stdout] 141 | pub fn compute_token_utf8_e(mut memory:Vec<u32>, tape: Vec<char>) {
[INFO] [stdout]     |                             ----^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]    --> src/lib.rs:141:29
[INFO] [stdout]     |
[INFO] [stdout] 141 | pub fn compute_token_utf8_e(mut memory:Vec<u32>, tape: Vec<char>) {
[INFO] [stdout]     |                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tape`
[INFO] [stdout]    --> src/lib.rs:141:50
[INFO] [stdout]     |
[INFO] [stdout] 141 | pub fn compute_token_utf8_e(mut memory:Vec<u32>, tape: Vec<char>) {
[INFO] [stdout]     |                                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_tape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> src/main.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |         Err(error) => {std::process::exit(1)}
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> src/main.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |         Err(error) => {std::process::exit(2)}
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> src/main.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         Err(error) => {std::process::exit(3)}
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> src/main.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         Err(error) => {std::process::exit(4)}
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:133:30
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub fn compute_token_ascii_e(mut memory:Vec<u8>, tape: Vec<char>) {
[INFO] [stdout]     |                              ----^^^^^^
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]    --> src/lib.rs:133:30
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub fn compute_token_ascii_e(mut memory:Vec<u8>, tape: Vec<char>) {
[INFO] [stdout]     |                              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tape`
[INFO] [stdout]    --> src/lib.rs:133:50
[INFO] [stdout]     |
[INFO] [stdout] 133 | pub fn compute_token_ascii_e(mut memory:Vec<u8>, tape: Vec<char>) {
[INFO] [stdout]     |                                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_tape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:137:29
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub fn compute_token_utf8_s(mut memory:Vec<u32>, tape: Vec<char>) {
[INFO] [stdout]     |                             ----^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]    --> src/lib.rs:137:29
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub fn compute_token_utf8_s(mut memory:Vec<u32>, tape: Vec<char>) {
[INFO] [stdout]     |                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tape`
[INFO] [stdout]    --> src/lib.rs:137:50
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub fn compute_token_utf8_s(mut memory:Vec<u32>, tape: Vec<char>) {
[INFO] [stdout]     |                                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_tape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:141:29
[INFO] [stdout]     |
[INFO] [stdout] 141 | pub fn compute_token_utf8_e(mut memory:Vec<u32>, tape: Vec<char>) {
[INFO] [stdout]     |                             ----^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]    --> src/lib.rs:141:29
[INFO] [stdout]     |
[INFO] [stdout] 141 | pub fn compute_token_utf8_e(mut memory:Vec<u32>, tape: Vec<char>) {
[INFO] [stdout]     |                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tape`
[INFO] [stdout]    --> src/lib.rs:141:50
[INFO] [stdout]     |
[INFO] [stdout] 141 | pub fn compute_token_utf8_e(mut memory:Vec<u32>, tape: Vec<char>) {
[INFO] [stdout]     |                                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_tape`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "50480245217fdfc49c59a418804e2a06f0519d82461f8ff9bdbe9da8d9d79ec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50480245217fdfc49c59a418804e2a06f0519d82461f8ff9bdbe9da8d9d79ec2", kill_on_drop: false }`
[INFO] [stdout] 50480245217fdfc49c59a418804e2a06f0519d82461f8ff9bdbe9da8d9d79ec2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6aa108a8dbcd0312d4db869a907ffd2a04f9bf57eb8ef86a03c774731d84ef2a
[INFO] running `Command { std: "docker" "start" "-a" "6aa108a8dbcd0312d4db869a907ffd2a04f9bf57eb8ef86a03c774731d84ef2a", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:133:30
[INFO] [stderr]     |
[INFO] [stderr] 133 | pub fn compute_token_ascii_e(mut memory:Vec<u8>, tape: Vec<char>) {
[INFO] [stderr]     |                              ----^^^^^^
[INFO] [stderr]     |                              |
[INFO] [stderr]     |                              help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `memory`
[INFO] [stderr]    --> src/lib.rs:133:30
[INFO] [stderr]     |
[INFO] [stderr] 133 | pub fn compute_token_ascii_e(mut memory:Vec<u8>, tape: Vec<char>) {
[INFO] [stderr]     |                              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tape`
[INFO] [stderr]    --> src/lib.rs:133:50
[INFO] [stderr]     |
[INFO] [stderr] 133 | pub fn compute_token_ascii_e(mut memory:Vec<u8>, tape: Vec<char>) {
[INFO] [stderr]     |                                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_tape`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:137:29
[INFO] [stderr]     |
[INFO] [stderr] 137 | pub fn compute_token_utf8_s(mut memory:Vec<u32>, tape: Vec<char>) {
[INFO] [stderr]     |                             ----^^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `memory`
[INFO] [stderr]    --> src/lib.rs:137:29
[INFO] [stderr]     |
[INFO] [stderr] 137 | pub fn compute_token_utf8_s(mut memory:Vec<u32>, tape: Vec<char>) {
[INFO] [stderr]     |                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tape`
[INFO] [stderr]    --> src/lib.rs:137:50
[INFO] [stderr]     |
[INFO] [stderr] 137 | pub fn compute_token_utf8_s(mut memory:Vec<u32>, tape: Vec<char>) {
[INFO] [stderr]     |                                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_tape`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:141:29
[INFO] [stderr]     |
[INFO] [stderr] 141 | pub fn compute_token_utf8_e(mut memory:Vec<u32>, tape: Vec<char>) {
[INFO] [stderr]     |                             ----^^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `memory`
[INFO] [stderr]    --> src/lib.rs:141:29
[INFO] [stderr]     |
[INFO] [stderr] 141 | pub fn compute_token_utf8_e(mut memory:Vec<u32>, tape: Vec<char>) {
[INFO] [stderr]     |                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tape`
[INFO] [stderr]    --> src/lib.rs:141:50
[INFO] [stderr]     |
[INFO] [stderr] 141 | pub fn compute_token_utf8_e(mut memory:Vec<u32>, tape: Vec<char>) {
[INFO] [stderr]     |                                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_tape`
[INFO] [stderr] 
[INFO] [stderr] warning: `brain-fuck-interpreter` (lib) generated 9 warnings (run `cargo fix --lib -p brain-fuck-interpreter` to apply 9 suggestions)
[INFO] [stderr] warning: unused variable: `error`
[INFO] [stderr]   --> src/main.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 |         Err(error) => {std::process::exit(1)}
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `error`
[INFO] [stderr]   --> src/main.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 |         Err(error) => {std::process::exit(2)}
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `error`
[INFO] [stderr]   --> src/main.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |         Err(error) => {std::process::exit(3)}
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `error`
[INFO] [stderr]   --> src/main.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |         Err(error) => {std::process::exit(4)}
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stderr] 
[INFO] [stderr] warning: `brain-fuck-interpreter` (bin "brain-fuck-interpreter" test) generated 4 warnings (run `cargo fix --bin "brain-fuck-interpreter" -p brain-fuck-interpreter --tests` to apply 4 suggestions)
[INFO] [stderr] warning: `brain-fuck-interpreter` (lib test) generated 9 warnings (9 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/brain_fuck_interpreter-9eea4e5f271f078c)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/brain_fuck_interpreter-8b09e803ac8a94a3)
[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] [stderr]    Doc-tests brain_fuck_interpreter
[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" "6aa108a8dbcd0312d4db869a907ffd2a04f9bf57eb8ef86a03c774731d84ef2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6aa108a8dbcd0312d4db869a907ffd2a04f9bf57eb8ef86a03c774731d84ef2a", kill_on_drop: false }`
[INFO] [stdout] 6aa108a8dbcd0312d4db869a907ffd2a04f9bf57eb8ef86a03c774731d84ef2a
