Dec 19 07:14:58.982 INFO checking themadprofessor/rbrainfuck against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 07:14:58.983 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/themadprofessor/rbrainfuck:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 07:14:59.508 INFO [stdout] 4387caffc77951b87b8c619d6e6f06f958446ec60edd1dd742382de6ab46d861
Dec 19 07:14:59.511 INFO running `"docker" "start" "-a" "4387caffc77951b87b8c619d6e6f06f958446ec60edd1dd742382de6ab46d861"`
Dec 19 07:15:01.959 INFO [stderr]    Compiling gcc v0.3.51
Dec 19 07:15:01.959 INFO [stderr]     Checking exit-code v1.0.0
Dec 19 07:15:01.964 INFO [stderr]     Checking memchr v1.0.1
Dec 19 07:15:02.568 INFO [stderr]     Checking nom v3.1.0
Dec 19 07:15:05.897 INFO [stderr]    Compiling backtrace-sys v0.1.11
Dec 19 07:15:20.796 INFO [stderr]     Checking backtrace v0.3.2
Dec 19 07:15:21.220 INFO [stderr]     Checking error-chain v0.10.0
Dec 19 07:15:21.686 INFO [stderr]     Checking rbrainfuck v0.1.0 (/opt/crater/workdir)
Dec 19 07:15:21.936 INFO [stderr] warning: unused import: `nom`
Dec 19 07:15:21.936 INFO [stderr]  --> src/ast.rs:3:5
Dec 19 07:15:21.936 INFO [stderr]   |
Dec 19 07:15:21.936 INFO [stderr] 3 | use nom;
Dec 19 07:15:21.936 INFO [stderr]   |     ^^^
Dec 19 07:15:21.936 INFO [stderr]   |
Dec 19 07:15:21.936 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 07:15:21.936 INFO [stderr] 
Dec 19 07:15:22.029 INFO [stderr] warning: unused import: `nom`
Dec 19 07:15:22.029 INFO [stderr]  --> src/ast.rs:3:5
Dec 19 07:15:22.029 INFO [stderr]   |
Dec 19 07:15:22.029 INFO [stderr] 3 | use nom;
Dec 19 07:15:22.029 INFO [stderr]   |     ^^^
Dec 19 07:15:22.029 INFO [stderr]   |
Dec 19 07:15:22.029 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 07:15:22.029 INFO [stderr] 
Dec 19 07:15:22.192 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 19 07:15:22.192 INFO [stderr]   --> src/error.rs:1:1
Dec 19 07:15:22.192 INFO [stderr]    |
Dec 19 07:15:22.192 INFO [stderr] 1  | / error_chain! {
Dec 19 07:15:22.192 INFO [stderr] 2  | |     foreign_links {
Dec 19 07:15:22.192 INFO [stderr] 3  | |         IoError(::std::io::Error);
Dec 19 07:15:22.192 INFO [stderr] 4  | |         NomError(::nom::simple_errors::Err);
Dec 19 07:15:22.192 INFO [stderr] ...  |
Dec 19 07:15:22.192 INFO [stderr] 20 | |     }
Dec 19 07:15:22.192 INFO [stderr] 21 | | }
Dec 19 07:15:22.192 INFO [stderr]    | |_^
Dec 19 07:15:22.200 INFO [stderr]    |
Dec 19 07:15:22.200 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 07:15:22.200 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 07:15:22.200 INFO [stderr] 
Dec 19 07:15:22.200 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 19 07:15:22.200 INFO [stderr]   --> src/error.rs:1:1
Dec 19 07:15:22.200 INFO [stderr]    |
Dec 19 07:15:22.200 INFO [stderr] 1  | / error_chain! {
Dec 19 07:15:22.200 INFO [stderr] 2  | |     foreign_links {
Dec 19 07:15:22.200 INFO [stderr] 3  | |         IoError(::std::io::Error);
Dec 19 07:15:22.200 INFO [stderr] 4  | |         NomError(::nom::simple_errors::Err);
Dec 19 07:15:22.200 INFO [stderr] ...  |
Dec 19 07:15:22.200 INFO [stderr] 20 | |     }
Dec 19 07:15:22.200 INFO [stderr] 21 | | }
Dec 19 07:15:22.200 INFO [stderr]    | |_^
Dec 19 07:15:22.200 INFO [stderr]    |
Dec 19 07:15:22.200 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 07:15:22.200 INFO [stderr] 
Dec 19 07:15:22.368 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 19 07:15:22.368 INFO [stderr]   --> src/error.rs:1:1
Dec 19 07:15:22.368 INFO [stderr]    |
Dec 19 07:15:22.368 INFO [stderr] 1  | / error_chain! {
Dec 19 07:15:22.368 INFO [stderr] 2  | |     foreign_links {
Dec 19 07:15:22.368 INFO [stderr] 3  | |         IoError(::std::io::Error);
Dec 19 07:15:22.368 INFO [stderr] 4  | |         NomError(::nom::simple_errors::Err);
Dec 19 07:15:22.368 INFO [stderr] ...  |
Dec 19 07:15:22.368 INFO [stderr] 20 | |     }
Dec 19 07:15:22.368 INFO [stderr] 21 | | }
Dec 19 07:15:22.368 INFO [stderr]    | |_^
Dec 19 07:15:22.368 INFO [stderr]    |
Dec 19 07:15:22.368 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 07:15:22.368 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 07:15:22.368 INFO [stderr] 
Dec 19 07:15:22.368 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 19 07:15:22.368 INFO [stderr]   --> src/error.rs:1:1
Dec 19 07:15:22.368 INFO [stderr]    |
Dec 19 07:15:22.368 INFO [stderr] 1  | / error_chain! {
Dec 19 07:15:22.368 INFO [stderr] 2  | |     foreign_links {
Dec 19 07:15:22.368 INFO [stderr] 3  | |         IoError(::std::io::Error);
Dec 19 07:15:22.368 INFO [stderr] 4  | |         NomError(::nom::simple_errors::Err);
Dec 19 07:15:22.369 INFO [stderr] ...  |
Dec 19 07:15:22.369 INFO [stderr] 20 | |     }
Dec 19 07:15:22.369 INFO [stderr] 21 | | }
Dec 19 07:15:22.369 INFO [stderr]    | |_^
Dec 19 07:15:22.369 INFO [stderr]    |
Dec 19 07:15:22.369 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 07:15:22.369 INFO [stderr] 
Dec 19 07:15:22.536 INFO [stderr] warning: function is never used: `flatten`
Dec 19 07:15:22.536 INFO [stderr]   --> src/ast.rs:49:1
Dec 19 07:15:22.536 INFO [stderr]    |
Dec 19 07:15:22.536 INFO [stderr] 49 | fn flatten<T>(data: Vec<Vec<T>>) -> Vec<T> {
Dec 19 07:15:22.536 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:15:22.536 INFO [stderr] 
Dec 19 07:15:22.536 INFO [stderr] warning: method is never used: `with_capacity`
Dec 19 07:15:22.536 INFO [stderr]   --> src/machine.rs:22:5
Dec 19 07:15:22.536 INFO [stderr]    |
Dec 19 07:15:22.536 INFO [stderr] 22 |     pub fn with_capacity(size: usize) -> Machine {
Dec 19 07:15:22.536 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:15:22.536 INFO [stderr] 
Dec 19 07:15:22.676 INFO [stderr] warning: function is never used: `flatten`
Dec 19 07:15:22.676 INFO [stderr]   --> src/ast.rs:49:1
Dec 19 07:15:22.676 INFO [stderr]    |
Dec 19 07:15:22.676 INFO [stderr] 49 | fn flatten<T>(data: Vec<Vec<T>>) -> Vec<T> {
Dec 19 07:15:22.676 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:15:22.676 INFO [stderr] 
Dec 19 07:15:22.676 INFO [stderr] warning: method is never used: `with_capacity`
Dec 19 07:15:22.676 INFO [stderr]   --> src/machine.rs:22:5
Dec 19 07:15:22.676 INFO [stderr]    |
Dec 19 07:15:22.676 INFO [stderr] 22 |     pub fn with_capacity(size: usize) -> Machine {
Dec 19 07:15:22.676 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:15:22.676 INFO [stderr] 
Dec 19 07:15:22.724 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.88s
Dec 19 07:15:23.542 INFO running `"docker" "inspect" "4387caffc77951b87b8c619d6e6f06f958446ec60edd1dd742382de6ab46d861"`
Dec 19 07:15:23.833 INFO running `"docker" "rm" "-f" "4387caffc77951b87b8c619d6e6f06f958446ec60edd1dd742382de6ab46d861"`
Dec 19 07:15:24.148 INFO [stdout] 4387caffc77951b87b8c619d6e6f06f958446ec60edd1dd742382de6ab46d861