[INFO] updating cached repository cmatsuoka/rustlet
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cmatsuoka/rustlet
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cmatsuoka/rustlet" "work/ex/beta-1.38-1/sources/1.37.0/gh/cmatsuoka/rustlet"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/cmatsuoka/rustlet'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cmatsuoka/rustlet" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cmatsuoka/rustlet"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cmatsuoka/rustlet'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1c7b3f05873faa58119f53f99fb3716efbe79ccc
[INFO] sha for GitHub repo cmatsuoka/rustlet: 1c7b3f05873faa58119f53f99fb3716efbe79ccc
[INFO] validating manifest of cmatsuoka/rustlet on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cmatsuoka/rustlet on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cmatsuoka/rustlet
[INFO] finished frobbing cmatsuoka/rustlet
[INFO] frobbed toml for cmatsuoka/rustlet written to work/ex/beta-1.38-1/sources/1.37.0/gh/cmatsuoka/rustlet/Cargo.toml
[INFO] started frobbing cmatsuoka/rustlet
[INFO] finished frobbing cmatsuoka/rustlet
[INFO] frobbed toml for cmatsuoka/rustlet written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cmatsuoka/rustlet/Cargo.toml
[INFO] crate cmatsuoka/rustlet already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing cmatsuoka/rustlet against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cmatsuoka/rustlet:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] f5017c62b2c8f775c6832f81d7574a844fb8d81ca76dcd8362a592092438daf4
[INFO] running `"docker" "start" "-a" "f5017c62b2c8f775c6832f81d7574a844fb8d81ca76dcd8362a592092438daf4"`
[INFO] [stderr]    Compiling libc v0.2.34
[INFO] [stderr]    Compiling getopts v0.2.15
[INFO] [stderr] warning[E0503]: cannot use `state` because it was mutably borrowed
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.15/src/lib.rs:1033:33
[INFO] [stderr]      |
[INFO] [stderr] 978  |     let mut machine = |cont: &mut bool, (i, c): (usize, char)| {
[INFO] [stderr]      |                       ---------------------------------------- borrow of `state` occurs here
[INFO] [stderr] ...
[INFO] [stderr] 982  |         state = match (state, whitespace, limit) {
[INFO] [stderr]      |                        ----- borrow occurs due to use of `state` in closure
[INFO] [stderr] ...
[INFO] [stderr] 1033 |     while cont && match state { B | C => true, A => false } {
[INFO] [stderr]      |                                 ^ use of borrowed `state`
[INFO] [stderr] 1034 |         machine(&mut cont, (fake_i, ' '));
[INFO] [stderr]      |         ------- borrow later used here
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]      = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]      = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling regex v0.2.3
[INFO] [stderr]    Compiling rustlet v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/wrapper.rs:147:49
[INFO] [stderr]     |
[INFO] [stderr] 147 |     pub fn wrap_str(&mut self, s: &str, flush: &Fn(&Vec<String>)) {
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<String>)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/wrapper.rs:176:53
[INFO] [stderr]     |
[INFO] [stderr] 176 |     pub fn wrap_word(&mut self, word: &str, flush: &Fn(&Vec<String>)) {
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<String>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:49:32
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/figfont.rs:238:25
[INFO] [stderr]     |
[INFO] [stderr] 238 |             line = line.trim_right().to_string();
[INFO] [stderr]     |                         ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]    --> src/figfont.rs:243:34
[INFO] [stderr]     |
[INFO] [stderr] 243 |             self.lines.push(line.trim_right_matches(mark).to_string());
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.36s
[INFO] running `"docker" "inspect" "f5017c62b2c8f775c6832f81d7574a844fb8d81ca76dcd8362a592092438daf4"`
[INFO] running `"docker" "rm" "-f" "f5017c62b2c8f775c6832f81d7574a844fb8d81ca76dcd8362a592092438daf4"`
[INFO] [stdout] f5017c62b2c8f775c6832f81d7574a844fb8d81ca76dcd8362a592092438daf4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cmatsuoka/rustlet:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1becf0c9b612fb36fc877006e6d2c88955e8daa80bf6fb3f1f702aeaee720ac3
[INFO] running `"docker" "start" "-a" "1becf0c9b612fb36fc877006e6d2c88955e8daa80bf6fb3f1f702aeaee720ac3"`
[INFO] [stderr]    Compiling rustlet v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/showfonts.rs:18:28
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn run() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/showfonts.rs:28:58
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn show_font(p: PathBuf, prefix: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/wrapper.rs:147:49
[INFO] [stderr]     |
[INFO] [stderr] 147 |     pub fn wrap_str(&mut self, s: &str, flush: &Fn(&Vec<String>)) {
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<String>)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/wrapper.rs:176:53
[INFO] [stderr]     |
[INFO] [stderr] 176 |     pub fn wrap_word(&mut self, word: &str, flush: &Fn(&Vec<String>)) {
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<String>)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:49:32
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/figfont.rs:238:25
[INFO] [stderr]     |
[INFO] [stderr] 238 |             line = line.trim_right().to_string();
[INFO] [stderr]     |                         ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]    --> src/figfont.rs:243:34
[INFO] [stderr]     |
[INFO] [stderr] 243 |             self.lines.push(line.trim_right_matches(mark).to_string());
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end_matches`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.00s
[INFO] running `"docker" "inspect" "1becf0c9b612fb36fc877006e6d2c88955e8daa80bf6fb3f1f702aeaee720ac3"`
[INFO] running `"docker" "rm" "-f" "1becf0c9b612fb36fc877006e6d2c88955e8daa80bf6fb3f1f702aeaee720ac3"`
[INFO] [stdout] 1becf0c9b612fb36fc877006e6d2c88955e8daa80bf6fb3f1f702aeaee720ac3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cmatsuoka/rustlet:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] eec131f4f40b376117297c646627aeeee5d281da51a18c9b16f4bac5c90af007
[INFO] running `"docker" "start" "-a" "eec131f4f40b376117297c646627aeeee5d281da51a18c9b16f4bac5c90af007"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustlet-ff67cb2693a31d76
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test figfont::tests::test_char_from_u32 ... ok
[INFO] [stdout] test smusher::charsmush::tests::test_rule_1 ... ok
[INFO] [stdout] test figfont::tests::test_u32_from_str ... ok
[INFO] [stdout] test figfont::tests::test_char_line_width ... ok
[INFO] [stdout] test figfont::tests::test_display ... ok
[INFO] [stdout] test smusher::charsmush::tests::test_rule_5 ... ok
[INFO] [stdout] test smusher::strsmush::tests::test_amount ... ok
[INFO] [stdout] test smusher::strsmush::tests::test_amount_utf8 ... ok
[INFO] [stdout] test smusher::strsmush::tests::test_char_len ... ok
[INFO] [stdout] test smusher::strsmush::tests::test_smush ... ok
[INFO] [stdout] test figfont::tests::test_font_load ... ok
[INFO] [stdout] test smusher::charsmush::tests::test_rule_4 ... ok
[INFO] [stdout] test smusher::charsmush::tests::test_rule_3 ... ok
[INFO] [stdout] test smusher::charsmush::tests::test_rule_2 ... ok
[INFO] [stdout] test smusher::strsmush::tests::test_smush_utf8 ... ok
[INFO] [stdout] test smusher::tests::test_amount_utf8 ... ok
[INFO] [stdout] test smusher::tests::test_trim ... ok
[INFO] [stdout] test smusher::tests::test_trim_utf8 ... ok
[INFO] [stdout] test smusher::tests::test_amount ... ok
[INFO] [stdout] test wrapper::tests::test_padding ... ok
[INFO] [stdout] test wrapper::tests::test_padding_utf8 ... ok
[INFO] [stdout] test figfont::tests::test_get_tab ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustlet-8717c88248e8369c
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/integration_test-cb79b869966057a9
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test line_wrap ... ok
[INFO] [stdout] test line_full ... ok
[INFO] [stdout] test wrap_align_center ... ok
[INFO] [stdout] test wrap_align_right ... ok
[INFO] [stdout] test wrap_align_left ... ok
[INFO] [stdout] test full_width ... ok
[INFO] [stdout] test kerning ... ok
[INFO] [stdout] test smushing ... ok
[INFO] [stdout] test utf8_input ... ok
[INFO] [stdout] test overlap ... ok
[INFO] [stdout] test standard_font_char ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rustlet
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/smusher/mod.rs - smusher::Smusher::new (line 31) ... ok
[INFO] [stdout] test src/wrapper.rs - wrapper::Wrapper::new (line 30) ... ok
[INFO] [stdout] test src/wrapper.rs - wrapper::Wrapper::get (line 62) ... ok
[INFO] [stdout] test src/figfont.rs - figfont::FIGchar::get (line 206) ... ok
[INFO] [stdout] test src/figfont.rs - figfont::FIGchar::from_lines (line 178) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "eec131f4f40b376117297c646627aeeee5d281da51a18c9b16f4bac5c90af007"`
[INFO] running `"docker" "rm" "-f" "eec131f4f40b376117297c646627aeeee5d281da51a18c9b16f4bac5c90af007"`
[INFO] [stdout] eec131f4f40b376117297c646627aeeee5d281da51a18c9b16f4bac5c90af007