[INFO] cloning repository https://github.com/treyzania/brainfuck [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/treyzania/brainfuck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftreyzania%2Fbrainfuck", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftreyzania%2Fbrainfuck'... [INFO] [stderr] error: unable to create temporary file: No space left on device [INFO] [stderr] fatal: failed to write object [INFO] [stderr] fatal: unpack-objects failed [WARN] Retrying crate fetch in 3 seconds (attempt 1) [INFO] cloning repository https://github.com/treyzania/brainfuck [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/treyzania/brainfuck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftreyzania%2Fbrainfuck", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftreyzania%2Fbrainfuck'... [INFO] [stderr] error: copy-fd: write returned: No space left on device [INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/pre-push.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftreyzania%2Fbrainfuck/hooks/pre-push.sample': No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 2) [INFO] cloning repository https://github.com/treyzania/brainfuck [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/treyzania/brainfuck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftreyzania%2Fbrainfuck", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftreyzania%2Fbrainfuck'... [INFO] [stderr] error: copy-fd: write returned: No space left on device [INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/commit-msg.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftreyzania%2Fbrainfuck/hooks/commit-msg.sample': No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 3) [INFO] cloning repository https://github.com/treyzania/brainfuck [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/treyzania/brainfuck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftreyzania%2Fbrainfuck", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftreyzania%2Fbrainfuck'... [INFO] [stderr] error: copy-fd: write returned: No space left on device [INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/pre-receive.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftreyzania%2Fbrainfuck/hooks/pre-receive.sample': No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 4) [INFO] cloning repository https://github.com/treyzania/brainfuck [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/treyzania/brainfuck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftreyzania%2Fbrainfuck", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftreyzania%2Fbrainfuck'... [INFO] [stderr] error: copy-fd: write returned: No space left on device [INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/fsmonitor-watchman.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftreyzania%2Fbrainfuck/hooks/fsmonitor-watchman.sample': No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 5) [INFO] cloning repository https://github.com/treyzania/brainfuck [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/treyzania/brainfuck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftreyzania%2Fbrainfuck", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftreyzania%2Fbrainfuck'... [INFO] [stderr] error: copy-fd: write returned: No space left on device [INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/prepare-commit-msg.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftreyzania%2Fbrainfuck/hooks/prepare-commit-msg.sample': No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 6) [INFO] cloning repository https://github.com/treyzania/brainfuck [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/treyzania/brainfuck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftreyzania%2Fbrainfuck", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftreyzania%2Fbrainfuck'... [INFO] [stderr] error: copy-fd: write returned: No space left on device [INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/prepare-commit-msg.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftreyzania%2Fbrainfuck/hooks/prepare-commit-msg.sample': No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 7) [INFO] cloning repository https://github.com/treyzania/brainfuck [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/treyzania/brainfuck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftreyzania%2Fbrainfuck", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftreyzania%2Fbrainfuck'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftreyzania%2Fbrainfuck/hooks/: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 8) [INFO] cloning repository https://github.com/treyzania/brainfuck [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/treyzania/brainfuck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftreyzania%2Fbrainfuck", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftreyzania%2Fbrainfuck'... [INFO] [stderr] error: copy-fd: write returned: No space left on device [INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/info/exclude' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftreyzania%2Fbrainfuck/info/exclude': No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 9) [INFO] cloning repository https://github.com/treyzania/brainfuck [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/treyzania/brainfuck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftreyzania%2Fbrainfuck", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftreyzania%2Fbrainfuck'... [INFO] [stderr] error: copy-fd: write returned: No space left on device [INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/info/exclude' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftreyzania%2Fbrainfuck/info/exclude': No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 10) [INFO] cloning repository https://github.com/treyzania/brainfuck [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/treyzania/brainfuck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftreyzania%2Fbrainfuck", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftreyzania%2Fbrainfuck'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftreyzania%2Fbrainfuck/info/: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 11) [INFO] cloning repository https://github.com/treyzania/brainfuck [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/treyzania/brainfuck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftreyzania%2Fbrainfuck", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftreyzania%2Fbrainfuck'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4923325699a6d1f4dbf88981c30bbc3455a458ea [INFO] testing treyzania/brainfuck against master#1ddedbaa5919b7b3e70d984660e21e844c615c97 for pr-128400 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftreyzania%2Fbrainfuck" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/treyzania/brainfuck on toolchain 1ddedbaa5919b7b3e70d984660e21e844c615c97 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/treyzania/brainfuck [INFO] finished tweaking git repo https://github.com/treyzania/brainfuck [INFO] tweaked toml for git repo https://github.com/treyzania/brainfuck written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/treyzania/brainfuck 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" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded structopt v0.1.7 [INFO] [stderr] Downloaded structopt-derive v0.1.6 [INFO] [stderr] Downloaded clap v2.29.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 33cc7d40a3c6cba95b5ef758dd2205110c299d71a4deefdbc9e53ee222f18227 [INFO] running `Command { std: "docker" "start" "-a" "33cc7d40a3c6cba95b5ef758dd2205110c299d71a4deefdbc9e53ee222f18227", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "33cc7d40a3c6cba95b5ef758dd2205110c299d71a4deefdbc9e53ee222f18227", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33cc7d40a3c6cba95b5ef758dd2205110c299d71a4deefdbc9e53ee222f18227", kill_on_drop: false }` [INFO] [stdout] 33cc7d40a3c6cba95b5ef758dd2205110c299d71a4deefdbc9e53ee222f18227 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 962b7f144ed00d6c8a1917dc8d7d8cc41cbe2185cc7fad26a5bde91147610d1a [INFO] running `Command { std: "docker" "start" "-a" "962b7f144ed00d6c8a1917dc8d7d8cc41cbe2185cc7fad26a5bde91147610d1a", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling unicode-width v0.1.4 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling libc v0.2.36 [INFO] [stderr] Compiling ansi_term v0.10.2 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling bitflags v1.0.1 [INFO] [stderr] Compiling vec_map v0.8.0 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling textwrap v0.9.0 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling atty v0.2.6 [INFO] [stderr] Compiling clap v2.29.3 [INFO] [stderr] Compiling structopt-derive v0.1.6 [INFO] [stderr] Compiling structopt v0.1.7 [INFO] [stderr] Compiling brainfuck v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:125:21 [INFO] [stdout] | [INFO] [stdout] 125 | let mut tab = &indent(indentation); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.29s [INFO] running `Command { std: "docker" "inspect" "962b7f144ed00d6c8a1917dc8d7d8cc41cbe2185cc7fad26a5bde91147610d1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "962b7f144ed00d6c8a1917dc8d7d8cc41cbe2185cc7fad26a5bde91147610d1a", kill_on_drop: false }` [INFO] [stdout] 962b7f144ed00d6c8a1917dc8d7d8cc41cbe2185cc7fad26a5bde91147610d1a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ab03a261b570fb2f8313d1074a7105612e939544c6db9c639d0d490aa7420013 [INFO] running `Command { std: "docker" "start" "-a" "ab03a261b570fb2f8313d1074a7105612e939544c6db9c639d0d490aa7420013", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling brainfuck v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:125:21 [INFO] [stdout] | [INFO] [stdout] 125 | let mut tab = &indent(indentation); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 30.40s [INFO] running `Command { std: "docker" "inspect" "ab03a261b570fb2f8313d1074a7105612e939544c6db9c639d0d490aa7420013", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab03a261b570fb2f8313d1074a7105612e939544c6db9c639d0d490aa7420013", kill_on_drop: false }` [INFO] [stdout] ab03a261b570fb2f8313d1074a7105612e939544c6db9c639d0d490aa7420013 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] ea02927fe08ec9764319c519627e0e6ece521d90cf7c0272549f0c58f265fc28 [INFO] running `Command { std: "docker" "start" "-a" "ea02927fe08ec9764319c519627e0e6ece521d90cf7c0272549f0c58f265fc28", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:125:21 [INFO] [stderr] | [INFO] [stderr] 125 | let mut tab = &indent(indentation); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `brainfuck` (bin "brainfuck" test) generated 1 warning (run `cargo fix --bin "brainfuck" --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/brainfuck-e64d267f577133df) [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" "ea02927fe08ec9764319c519627e0e6ece521d90cf7c0272549f0c58f265fc28", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea02927fe08ec9764319c519627e0e6ece521d90cf7c0272549f0c58f265fc28", kill_on_drop: false }` [INFO] [stdout] ea02927fe08ec9764319c519627e0e6ece521d90cf7c0272549f0c58f265fc28