[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] checking mantis133/brain-fuck-interpreter against try#84addd32a13fa2d3f62fe5d99031611147b7fb13 for pr-147565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmantis133%2Fbrain-fuck-interpreter" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mantis133/brain-fuck-interpreter on toolchain 84addd32a13fa2d3f62fe5d99031611147b7fb13
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+84addd32a13fa2d3f62fe5d99031611147b7fb13" "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" "+84addd32a13fa2d3f62fe5d99031611147b7fb13" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking mantis133/brain-fuck-interpreter against try#84addd32a13fa2d3f62fe5d99031611147b7fb13 for pr-147565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmantis133%2Fbrain-fuck-interpreter" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mantis133/brain-fuck-interpreter on toolchain 84addd32a13fa2d3f62fe5d99031611147b7fb13
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+84addd32a13fa2d3f62fe5d99031611147b7fb13" "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" "+84addd32a13fa2d3f62fe5d99031611147b7fb13" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+84addd32a13fa2d3f62fe5d99031611147b7fb13" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cff444c50405c8a7772617118cd698a067342300f229bbd5f4b12e108fe815e9
[INFO] running `Command { std: "docker" "start" "-a" "cff444c50405c8a7772617118cd698a067342300f229bbd5f4b12e108fe815e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cff444c50405c8a7772617118cd698a067342300f229bbd5f4b12e108fe815e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cff444c50405c8a7772617118cd698a067342300f229bbd5f4b12e108fe815e9", kill_on_drop: false }`
[INFO] [stdout] cff444c50405c8a7772617118cd698a067342300f229bbd5f4b12e108fe815e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+84addd32a13fa2d3f62fe5d99031611147b7fb13" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5bb9cccddab355e0e77cc1a14e22f12bc997a91c53bca87c4f944a25b2a0a26
[INFO] running `Command { std: "docker" "start" "-a" "b5bb9cccddab355e0e77cc1a14e22f12bc997a91c53bca87c4f944a25b2a0a26", kill_on_drop: false }`
[INFO] [stderr]     Checking 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: 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: 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 0.12s
[INFO] running `Command { std: "docker" "inspect" "b5bb9cccddab355e0e77cc1a14e22f12bc997a91c53bca87c4f944a25b2a0a26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5bb9cccddab355e0e77cc1a14e22f12bc997a91c53bca87c4f944a25b2a0a26", kill_on_drop: false }`
[INFO] [stdout] b5bb9cccddab355e0e77cc1a14e22f12bc997a91c53bca87c4f944a25b2a0a26
