Dec 11 07:53:28.022 INFO checking themadprofessor/rbrainfuck against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 07:53:28.022 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 07:53:28.536 INFO [stdout] 85534377d601fa5f17693856e20686c1ab0078acdd082a4f2808d206d2e1460d
Dec 11 07:53:28.542 INFO running `"docker" "start" "-a" "85534377d601fa5f17693856e20686c1ab0078acdd082a4f2808d206d2e1460d"`
Dec 11 07:53:30.224 INFO [stderr] usermod: no changes
Dec 11 07:53:30.336 INFO [stderr]     Checking exit-code v1.0.0
Dec 11 07:53:30.336 INFO [stderr]    Compiling backtrace-sys v0.1.11
Dec 11 07:53:30.342 INFO [stderr]     Checking memchr v1.0.1
Dec 11 07:53:30.803 INFO [stderr]     Checking nom v3.1.0
Dec 11 07:53:46.200 INFO [stderr]     Checking backtrace v0.3.2
Dec 11 07:53:46.672 INFO [stderr]     Checking error-chain v0.10.0
Dec 11 07:53:47.147 INFO [stderr]     Checking rbrainfuck v0.1.0 (/source)
Dec 11 07:53:47.572 INFO [stderr] warning: unused import: `nom`
Dec 11 07:53:47.572 INFO [stderr]  --> src/ast.rs:3:5
Dec 11 07:53:47.572 INFO [stderr]   |
Dec 11 07:53:47.572 INFO [stderr] 3 | use nom;
Dec 11 07:53:47.572 INFO [stderr]   |     ^^^
Dec 11 07:53:47.572 INFO [stderr]   |
Dec 11 07:53:47.572 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 07:53:47.572 INFO [stderr] 
Dec 11 07:53:47.652 INFO [stderr] warning: unused import: `nom`
Dec 11 07:53:47.652 INFO [stderr]  --> src/ast.rs:3:5
Dec 11 07:53:47.652 INFO [stderr]   |
Dec 11 07:53:47.652 INFO [stderr] 3 | use nom;
Dec 11 07:53:47.652 INFO [stderr]   |     ^^^
Dec 11 07:53:47.652 INFO [stderr]   |
Dec 11 07:53:47.652 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 07:53:47.652 INFO [stderr] 
Dec 11 07:53:47.944 INFO [stderr] warning: function is never used: `flatten`
Dec 11 07:53:47.944 INFO [stderr]   --> src/ast.rs:49:1
Dec 11 07:53:47.944 INFO [stderr]    |
Dec 11 07:53:47.944 INFO [stderr] 49 | fn flatten<T>(data: Vec<Vec<T>>) -> Vec<T> {
Dec 11 07:53:47.944 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 07:53:47.944 INFO [stderr] 
Dec 11 07:53:47.944 INFO [stderr] warning: method is never used: `with_capacity`
Dec 11 07:53:47.944 INFO [stderr]   --> src/machine.rs:22:5
Dec 11 07:53:47.944 INFO [stderr]    |
Dec 11 07:53:47.944 INFO [stderr] 22 |     pub fn with_capacity(size: usize) -> Machine {
Dec 11 07:53:47.944 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 07:53:47.944 INFO [stderr] 
Dec 11 07:53:48.060 INFO [stderr] warning: function is never used: `flatten`
Dec 11 07:53:48.060 INFO [stderr]   --> src/ast.rs:49:1
Dec 11 07:53:48.060 INFO [stderr]    |
Dec 11 07:53:48.060 INFO [stderr] 49 | fn flatten<T>(data: Vec<Vec<T>>) -> Vec<T> {
Dec 11 07:53:48.060 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 07:53:48.060 INFO [stderr] 
Dec 11 07:53:48.060 INFO [stderr] warning: method is never used: `with_capacity`
Dec 11 07:53:48.060 INFO [stderr]   --> src/machine.rs:22:5
Dec 11 07:53:48.060 INFO [stderr]    |
Dec 11 07:53:48.060 INFO [stderr] 22 |     pub fn with_capacity(size: usize) -> Machine {
Dec 11 07:53:48.060 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 07:53:48.060 INFO [stderr] 
Dec 11 07:53:48.116 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.86s
Dec 11 07:53:48.116 INFO [stderr] su: No module specific data is present
Dec 11 07:53:48.990 INFO running `"docker" "inspect" "85534377d601fa5f17693856e20686c1ab0078acdd082a4f2808d206d2e1460d"`
Dec 11 07:53:49.294 INFO running `"docker" "rm" "-f" "85534377d601fa5f17693856e20686c1ab0078acdd082a4f2808d206d2e1460d"`
Dec 11 07:53:49.570 INFO [stdout] 85534377d601fa5f17693856e20686c1ab0078acdd082a4f2808d206d2e1460d