Dec 17 13:45:31.475 INFO checking themadprofessor/rbrainfuck against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 13:45:31.475 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 13:45:31.972 INFO [stdout] 66c028b03b899fe4bc4e2ff525b8742b25fe7d27efff26982b0a2dad0d4175c8
Dec 17 13:45:31.974 INFO running `"docker" "start" "-a" "66c028b03b899fe4bc4e2ff525b8742b25fe7d27efff26982b0a2dad0d4175c8"`
Dec 17 13:45:33.733 INFO [stderr]     Checking exit-code v1.0.0
Dec 17 13:45:33.733 INFO [stderr]    Compiling backtrace-sys v0.1.11
Dec 17 13:45:33.733 INFO [stderr]     Checking memchr v1.0.1
Dec 17 13:45:34.376 INFO [stderr]     Checking nom v3.1.0
Dec 17 13:45:49.687 INFO [stderr]     Checking backtrace v0.3.2
Dec 17 13:45:50.076 INFO [stderr]     Checking error-chain v0.10.0
Dec 17 13:45:50.524 INFO [stderr]     Checking rbrainfuck v0.1.0 (/opt/crater/workdir)
Dec 17 13:45:50.920 INFO [stderr] warning: unused import: `nom`
Dec 17 13:45:50.920 INFO [stderr]  --> src/ast.rs:3:5
Dec 17 13:45:50.920 INFO [stderr]   |
Dec 17 13:45:50.921 INFO [stderr] 3 | use nom;
Dec 17 13:45:50.923 INFO [stderr]   |     ^^^
Dec 17 13:45:50.923 INFO [stderr]   |
Dec 17 13:45:50.923 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 13:45:50.923 INFO [stderr] 
Dec 17 13:45:50.984 INFO [stderr] warning: unused import: `nom`
Dec 17 13:45:50.984 INFO [stderr]  --> src/ast.rs:3:5
Dec 17 13:45:50.985 INFO [stderr]   |
Dec 17 13:45:50.985 INFO [stderr] 3 | use nom;
Dec 17 13:45:50.988 INFO [stderr]   |     ^^^
Dec 17 13:45:50.988 INFO [stderr]   |
Dec 17 13:45:50.988 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 13:45:50.988 INFO [stderr] 
Dec 17 13:45:51.104 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 17 13:45:51.104 INFO [stderr]   --> src/error.rs:1:1
Dec 17 13:45:51.104 INFO [stderr]    |
Dec 17 13:45:51.104 INFO [stderr] 1  | / error_chain! {
Dec 17 13:45:51.104 INFO [stderr] 2  | |     foreign_links {
Dec 17 13:45:51.104 INFO [stderr] 3  | |         IoError(::std::io::Error);
Dec 17 13:45:51.104 INFO [stderr] 4  | |         NomError(::nom::simple_errors::Err);
Dec 17 13:45:51.107 INFO [stderr] ...  |
Dec 17 13:45:51.107 INFO [stderr] 20 | |     }
Dec 17 13:45:51.107 INFO [stderr] 21 | | }
Dec 17 13:45:51.107 INFO [stderr]    | |_^
Dec 17 13:45:51.107 INFO [stderr]    |
Dec 17 13:45:51.107 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 17 13:45:51.107 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 17 13:45:51.107 INFO [stderr] 
Dec 17 13:45:51.107 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 17 13:45:51.107 INFO [stderr]   --> src/error.rs:1:1
Dec 17 13:45:51.107 INFO [stderr]    |
Dec 17 13:45:51.107 INFO [stderr] 1  | / error_chain! {
Dec 17 13:45:51.107 INFO [stderr] 2  | |     foreign_links {
Dec 17 13:45:51.107 INFO [stderr] 3  | |         IoError(::std::io::Error);
Dec 17 13:45:51.107 INFO [stderr] 4  | |         NomError(::nom::simple_errors::Err);
Dec 17 13:45:51.107 INFO [stderr] ...  |
Dec 17 13:45:51.107 INFO [stderr] 20 | |     }
Dec 17 13:45:51.107 INFO [stderr] 21 | | }
Dec 17 13:45:51.107 INFO [stderr]    | |_^
Dec 17 13:45:51.107 INFO [stderr]    |
Dec 17 13:45:51.107 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 17 13:45:51.107 INFO [stderr] 
Dec 17 13:45:51.239 INFO [stderr] warning: function is never used: `flatten`
Dec 17 13:45:51.240 INFO [stderr]   --> src/ast.rs:49:1
Dec 17 13:45:51.240 INFO [stderr]    |
Dec 17 13:45:51.240 INFO [stderr] 49 | fn flatten<T>(data: Vec<Vec<T>>) -> Vec<T> {
Dec 17 13:45:51.240 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:45:51.240 INFO [stderr] 
Dec 17 13:45:51.240 INFO [stderr] warning: method is never used: `with_capacity`
Dec 17 13:45:51.240 INFO [stderr]   --> src/machine.rs:22:5
Dec 17 13:45:51.240 INFO [stderr]    |
Dec 17 13:45:51.240 INFO [stderr] 22 |     pub fn with_capacity(size: usize) -> Machine {
Dec 17 13:45:51.240 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:45:51.240 INFO [stderr] 
Dec 17 13:45:51.416 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 17 13:45:51.416 INFO [stderr]   --> src/error.rs:1:1
Dec 17 13:45:51.416 INFO [stderr]    |
Dec 17 13:45:51.416 INFO [stderr] 1  | / error_chain! {
Dec 17 13:45:51.416 INFO [stderr] 2  | |     foreign_links {
Dec 17 13:45:51.416 INFO [stderr] 3  | |         IoError(::std::io::Error);
Dec 17 13:45:51.416 INFO [stderr] 4  | |         NomError(::nom::simple_errors::Err);
Dec 17 13:45:51.416 INFO [stderr] ...  |
Dec 17 13:45:51.416 INFO [stderr] 20 | |     }
Dec 17 13:45:51.416 INFO [stderr] 21 | | }
Dec 17 13:45:51.416 INFO [stderr]    | |_^
Dec 17 13:45:51.416 INFO [stderr]    |
Dec 17 13:45:51.416 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 17 13:45:51.416 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 17 13:45:51.416 INFO [stderr] 
Dec 17 13:45:51.416 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 17 13:45:51.416 INFO [stderr]   --> src/error.rs:1:1
Dec 17 13:45:51.416 INFO [stderr]    |
Dec 17 13:45:51.416 INFO [stderr] 1  | / error_chain! {
Dec 17 13:45:51.416 INFO [stderr] 2  | |     foreign_links {
Dec 17 13:45:51.416 INFO [stderr] 3  | |         IoError(::std::io::Error);
Dec 17 13:45:51.416 INFO [stderr] 4  | |         NomError(::nom::simple_errors::Err);
Dec 17 13:45:51.416 INFO [stderr] ...  |
Dec 17 13:45:51.416 INFO [stderr] 20 | |     }
Dec 17 13:45:51.416 INFO [stderr] 21 | | }
Dec 17 13:45:51.416 INFO [stderr]    | |_^
Dec 17 13:45:51.416 INFO [stderr]    |
Dec 17 13:45:51.416 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 17 13:45:51.416 INFO [stderr] 
Dec 17 13:45:51.576 INFO [stderr] warning: function is never used: `flatten`
Dec 17 13:45:51.576 INFO [stderr]   --> src/ast.rs:49:1
Dec 17 13:45:51.576 INFO [stderr]    |
Dec 17 13:45:51.576 INFO [stderr] 49 | fn flatten<T>(data: Vec<Vec<T>>) -> Vec<T> {
Dec 17 13:45:51.576 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:45:51.576 INFO [stderr] 
Dec 17 13:45:51.576 INFO [stderr] warning: method is never used: `with_capacity`
Dec 17 13:45:51.576 INFO [stderr]   --> src/machine.rs:22:5
Dec 17 13:45:51.576 INFO [stderr]    |
Dec 17 13:45:51.576 INFO [stderr] 22 |     pub fn with_capacity(size: usize) -> Machine {
Dec 17 13:45:51.576 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:45:51.576 INFO [stderr] 
Dec 17 13:45:51.608 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.94s
Dec 17 13:45:52.356 INFO running `"docker" "inspect" "66c028b03b899fe4bc4e2ff525b8742b25fe7d27efff26982b0a2dad0d4175c8"`
Dec 17 13:45:52.708 INFO running `"docker" "rm" "-f" "66c028b03b899fe4bc4e2ff525b8742b25fe7d27efff26982b0a2dad0d4175c8"`
Dec 17 13:45:53.046 INFO [stdout] 66c028b03b899fe4bc4e2ff525b8742b25fe7d27efff26982b0a2dad0d4175c8