Dec 17 13:45:34.028 INFO checking themadprofessor/rbrainfuck against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 13:45:34.028 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 13:45:34.487 INFO [stdout] 2ec988ea0a6589caadb1387e5cbea42ea313e1940af7828c78067826b857ff67
Dec 17 13:45:34.489 INFO running `"docker" "start" "-a" "2ec988ea0a6589caadb1387e5cbea42ea313e1940af7828c78067826b857ff67"`
Dec 17 13:45:35.775 INFO [stderr]     Checking libc v0.2.26
Dec 17 13:45:35.775 INFO [stderr]     Checking exit-code v1.0.0
Dec 17 13:45:35.775 INFO [stderr]    Compiling backtrace-sys v0.1.11
Dec 17 13:45:37.559 INFO [stderr]     Checking memchr v1.0.1
Dec 17 13:45:38.316 INFO [stderr]     Checking nom v3.1.0
Dec 17 13:45:52.604 INFO [stderr]     Checking backtrace v0.3.2
Dec 17 13:45:53.048 INFO [stderr]     Checking error-chain v0.10.0
Dec 17 13:45:53.434 INFO [stderr]     Checking rbrainfuck v0.1.0 (/opt/crater/workdir)
Dec 17 13:45:53.852 INFO [stderr] warning: unused import: `nom`
Dec 17 13:45:53.855 INFO [stderr]  --> src/ast.rs:3:5
Dec 17 13:45:53.855 INFO [stderr]   |
Dec 17 13:45:53.855 INFO [stderr] 3 | use nom;
Dec 17 13:45:53.855 INFO [stderr]   |     ^^^
Dec 17 13:45:53.855 INFO [stderr]   |
Dec 17 13:45:53.855 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 13:45:53.855 INFO [stderr] 
Dec 17 13:45:53.855 INFO [stderr] warning: unused import: `nom`
Dec 17 13:45:53.855 INFO [stderr]  --> src/ast.rs:3:5
Dec 17 13:45:53.855 INFO [stderr]   |
Dec 17 13:45:53.855 INFO [stderr] 3 | use nom;
Dec 17 13:45:53.855 INFO [stderr]   |     ^^^
Dec 17 13:45:53.855 INFO [stderr]   |
Dec 17 13:45:53.855 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 13:45:53.855 INFO [stderr] 
Dec 17 13:45:54.056 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 17 13:45:54.056 INFO [stderr]   --> src/error.rs:1:1
Dec 17 13:45:54.056 INFO [stderr]    |
Dec 17 13:45:54.056 INFO [stderr] 1  | / error_chain! {
Dec 17 13:45:54.056 INFO [stderr] 2  | |     foreign_links {
Dec 17 13:45:54.056 INFO [stderr] 3  | |         IoError(::std::io::Error);
Dec 17 13:45:54.056 INFO [stderr] 4  | |         NomError(::nom::simple_errors::Err);
Dec 17 13:45:54.056 INFO [stderr] ...  |
Dec 17 13:45:54.056 INFO [stderr] 20 | |     }
Dec 17 13:45:54.056 INFO [stderr] 21 | | }
Dec 17 13:45:54.056 INFO [stderr]    | |_^
Dec 17 13:45:54.056 INFO [stderr]    |
Dec 17 13:45:54.056 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 17 13:45:54.056 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 13:45:54.056 INFO [stderr] 
Dec 17 13:45:54.056 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 17 13:45:54.056 INFO [stderr]   --> src/error.rs:1:1
Dec 17 13:45:54.056 INFO [stderr]    |
Dec 17 13:45:54.056 INFO [stderr] 1  | / error_chain! {
Dec 17 13:45:54.056 INFO [stderr] 2  | |     foreign_links {
Dec 17 13:45:54.056 INFO [stderr] 3  | |         IoError(::std::io::Error);
Dec 17 13:45:54.056 INFO [stderr] 4  | |         NomError(::nom::simple_errors::Err);
Dec 17 13:45:54.056 INFO [stderr] ...  |
Dec 17 13:45:54.056 INFO [stderr] 20 | |     }
Dec 17 13:45:54.056 INFO [stderr] 21 | | }
Dec 17 13:45:54.056 INFO [stderr]    | |_^
Dec 17 13:45:54.056 INFO [stderr]    |
Dec 17 13:45:54.056 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 13:45:54.056 INFO [stderr] 
Dec 17 13:45:54.068 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 17 13:45:54.068 INFO [stderr]   --> src/error.rs:1:1
Dec 17 13:45:54.068 INFO [stderr]    |
Dec 17 13:45:54.068 INFO [stderr] 1  | / error_chain! {
Dec 17 13:45:54.068 INFO [stderr] 2  | |     foreign_links {
Dec 17 13:45:54.068 INFO [stderr] 3  | |         IoError(::std::io::Error);
Dec 17 13:45:54.068 INFO [stderr] 4  | |         NomError(::nom::simple_errors::Err);
Dec 17 13:45:54.068 INFO [stderr] ...  |
Dec 17 13:45:54.068 INFO [stderr] 20 | |     }
Dec 17 13:45:54.068 INFO [stderr] 21 | | }
Dec 17 13:45:54.068 INFO [stderr]    | |_^
Dec 17 13:45:54.076 INFO [stderr]    |
Dec 17 13:45:54.076 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 17 13:45:54.076 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 13:45:54.076 INFO [stderr] 
Dec 17 13:45:54.076 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 17 13:45:54.076 INFO [stderr]   --> src/error.rs:1:1
Dec 17 13:45:54.076 INFO [stderr]    |
Dec 17 13:45:54.076 INFO [stderr] 1  | / error_chain! {
Dec 17 13:45:54.076 INFO [stderr] 2  | |     foreign_links {
Dec 17 13:45:54.076 INFO [stderr] 3  | |         IoError(::std::io::Error);
Dec 17 13:45:54.076 INFO [stderr] 4  | |         NomError(::nom::simple_errors::Err);
Dec 17 13:45:54.076 INFO [stderr] ...  |
Dec 17 13:45:54.076 INFO [stderr] 20 | |     }
Dec 17 13:45:54.076 INFO [stderr] 21 | | }
Dec 17 13:45:54.076 INFO [stderr]    | |_^
Dec 17 13:45:54.076 INFO [stderr]    |
Dec 17 13:45:54.076 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 13:45:54.076 INFO [stderr] 
Dec 17 13:45:54.212 INFO [stderr] warning: function is never used: `flatten`
Dec 17 13:45:54.212 INFO [stderr]   --> src/ast.rs:49:1
Dec 17 13:45:54.212 INFO [stderr]    |
Dec 17 13:45:54.212 INFO [stderr] 49 | fn flatten<T>(data: Vec<Vec<T>>) -> Vec<T> {
Dec 17 13:45:54.212 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:45:54.212 INFO [stderr] 
Dec 17 13:45:54.212 INFO [stderr] warning: method is never used: `with_capacity`
Dec 17 13:45:54.212 INFO [stderr]   --> src/machine.rs:22:5
Dec 17 13:45:54.212 INFO [stderr]    |
Dec 17 13:45:54.212 INFO [stderr] 22 |     pub fn with_capacity(size: usize) -> Machine {
Dec 17 13:45:54.212 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:45:54.212 INFO [stderr] 
Dec 17 13:45:54.229 INFO [stderr] warning: function is never used: `flatten`
Dec 17 13:45:54.229 INFO [stderr]   --> src/ast.rs:49:1
Dec 17 13:45:54.229 INFO [stderr]    |
Dec 17 13:45:54.229 INFO [stderr] 49 | fn flatten<T>(data: Vec<Vec<T>>) -> Vec<T> {
Dec 17 13:45:54.229 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:45:54.229 INFO [stderr] 
Dec 17 13:45:54.229 INFO [stderr] warning: method is never used: `with_capacity`
Dec 17 13:45:54.229 INFO [stderr]   --> src/machine.rs:22:5
Dec 17 13:45:54.229 INFO [stderr]    |
Dec 17 13:45:54.229 INFO [stderr] 22 |     pub fn with_capacity(size: usize) -> Machine {
Dec 17 13:45:54.229 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:45:54.229 INFO [stderr] 
Dec 17 13:45:54.290 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.58s
Dec 17 13:45:55.162 INFO running `"docker" "inspect" "2ec988ea0a6589caadb1387e5cbea42ea313e1940af7828c78067826b857ff67"`
Dec 17 13:45:55.422 INFO running `"docker" "rm" "-f" "2ec988ea0a6589caadb1387e5cbea42ea313e1940af7828c78067826b857ff67"`
Dec 17 13:45:55.742 INFO [stdout] 2ec988ea0a6589caadb1387e5cbea42ea313e1940af7828c78067826b857ff67