[INFO] crate ansi 0.1.0 is already in cache
[INFO] extracting crate ansi 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/ansi/0.1.0
[INFO] extracting crate ansi 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ansi/0.1.0
[INFO] validating manifest of ansi-0.1.0 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 ansi-0.1.0 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 ansi-0.1.0
[INFO] finished frobbing ansi-0.1.0
[INFO] frobbed toml for ansi-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/ansi/0.1.0/Cargo.toml
[INFO] started frobbing ansi-0.1.0
[INFO] finished frobbing ansi-0.1.0
[INFO] frobbed toml for ansi-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ansi/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing ansi-0.1.0 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/ansi/0.1.0:/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] 4880fefdf5ce7b805416d9dc40665b2890c3441086de23165f74c84a9070bcb8
[INFO] running `"docker" "start" "-a" "4880fefdf5ce7b805416d9dc40665b2890c3441086de23165f74c84a9070bcb8"`
[INFO] [stderr]    Compiling ansi v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: incorrect unicode escape sequence
[INFO] [stderr]   --> src/lib.rs:79:41
[INFO] [stderr]    |
[INFO] [stderr] 79 |         assert_show(super::Red("red"), "\u001b[31mred\u001b[39m");
[INFO] [stderr]    |                                         ^^^---
[INFO] [stderr]    |                                           |
[INFO] [stderr]    |                                           help: format of unicode escape sequences uses braces: `\u{001b}`
[INFO] [stderr] 
[INFO] [stderr] error: incorrect unicode escape sequence
[INFO] [stderr]   --> src/lib.rs:79:54
[INFO] [stderr]    |
[INFO] [stderr] 79 |         assert_show(super::Red("red"), "\u001b[31mred\u001b[39m");
[INFO] [stderr]    |                                                      ^^^---
[INFO] [stderr]    |                                                        |
[INFO] [stderr]    |                                                        help: format of unicode escape sequences uses braces: `\u{001b}`
[INFO] [stderr] 
[INFO] [stderr] error: incorrect unicode escape sequence
[INFO] [stderr]   --> src/lib.rs:85:36
[INFO] [stderr]    |
[INFO] [stderr] 85 |         assert_show(color("red"), "\u001b[1m\u001b[31mred\u001b[39m\u001b[22m");
[INFO] [stderr]    |                                    ^^^---
[INFO] [stderr]    |                                      |
[INFO] [stderr]    |                                      help: format of unicode escape sequences uses braces: `\u{001b}`
[INFO] [stderr] 
[INFO] [stderr] error: incorrect unicode escape sequence
[INFO] [stderr]   --> src/lib.rs:85:45
[INFO] [stderr]    |
[INFO] [stderr] 85 |         assert_show(color("red"), "\u001b[1m\u001b[31mred\u001b[39m\u001b[22m");
[INFO] [stderr]    |                                             ^^^---
[INFO] [stderr]    |                                               |
[INFO] [stderr]    |                                               help: format of unicode escape sequences uses braces: `\u{001b}`
[INFO] [stderr] 
[INFO] [stderr] error: incorrect unicode escape sequence
[INFO] [stderr]   --> src/lib.rs:85:58
[INFO] [stderr]    |
[INFO] [stderr] 85 |         assert_show(color("red"), "\u001b[1m\u001b[31mred\u001b[39m\u001b[22m");
[INFO] [stderr]    |                                                          ^^^---
[INFO] [stderr]    |                                                            |
[INFO] [stderr]    |                                                            help: format of unicode escape sequences uses braces: `\u{001b}`
[INFO] [stderr] 
[INFO] [stderr] error: incorrect unicode escape sequence
[INFO] [stderr]   --> src/lib.rs:85:68
[INFO] [stderr]    |
[INFO] [stderr] 85 |         assert_show(color("red"), "\u001b[1m\u001b[31mred\u001b[39m\u001b[22m");
[INFO] [stderr]    |                                                                    ^^^---
[INFO] [stderr]    |                                                                      |
[INFO] [stderr]    |                                                                      help: format of unicode escape sequences uses braces: `\u{001b}`
[INFO] [stderr] 
[INFO] [stderr] error: incorrect unicode escape sequence
[INFO] [stderr]   --> src/lib.rs:87:37
[INFO] [stderr]    |
[INFO] [stderr] 87 |         assert_show(color2("red"), "\u001b[43m\u001b[1m\u001b[31mred\u001b[39m\u001b[22m\u001b[49m");
[INFO] [stderr]    |                                     ^^^---
[INFO] [stderr]    |                                       |
[INFO] [stderr]    |                                       help: format of unicode escape sequences uses braces: `\u{001b}`
[INFO] [stderr] 
[INFO] [stderr] error: incorrect unicode escape sequence
[INFO] [stderr]   --> src/lib.rs:87:47
[INFO] [stderr]    |
[INFO] [stderr] 87 |         assert_show(color2("red"), "\u001b[43m\u001b[1m\u001b[31mred\u001b[39m\u001b[22m\u001b[49m");
[INFO] [stderr]    |                                               ^^^---
[INFO] [stderr]    |                                                 |
[INFO] [stderr]    |                                                 help: format of unicode escape sequences uses braces: `\u{001b}`
[INFO] [stderr] 
[INFO] [stderr] error: incorrect unicode escape sequence
[INFO] [stderr]   --> src/lib.rs:87:56
[INFO] [stderr]    |
[INFO] [stderr] 87 |         assert_show(color2("red"), "\u001b[43m\u001b[1m\u001b[31mred\u001b[39m\u001b[22m\u001b[49m");
[INFO] [stderr]    |                                                        ^^^---
[INFO] [stderr]    |                                                          |
[INFO] [stderr]    |                                                          help: format of unicode escape sequences uses braces: `\u{001b}`
[INFO] [stderr] 
[INFO] [stderr] error: incorrect unicode escape sequence
[INFO] [stderr]   --> src/lib.rs:87:69
[INFO] [stderr]    |
[INFO] [stderr] 87 |         assert_show(color2("red"), "\u001b[43m\u001b[1m\u001b[31mred\u001b[39m\u001b[22m\u001b[49m");
[INFO] [stderr]    |                                                                     ^^^---
[INFO] [stderr]    |                                                                       |
[INFO] [stderr]    |                                                                       help: format of unicode escape sequences uses braces: `\u{001b}`
[INFO] [stderr] 
[INFO] [stderr] error: incorrect unicode escape sequence
[INFO] [stderr]   --> src/lib.rs:87:79
[INFO] [stderr]    |
[INFO] [stderr] 87 |         assert_show(color2("red"), "\u001b[43m\u001b[1m\u001b[31mred\u001b[39m\u001b[22m\u001b[49m");
[INFO] [stderr]    |                                                                               ^^^---
[INFO] [stderr]    |                                                                                 |
[INFO] [stderr]    |                                                                                 help: format of unicode escape sequences uses braces: `\u{001b}`
[INFO] [stderr] 
[INFO] [stderr] error: incorrect unicode escape sequence
[INFO] [stderr]   --> src/lib.rs:87:89
[INFO] [stderr]    |
[INFO] [stderr] 87 |         assert_show(color2("red"), "\u001b[43m\u001b[1m\u001b[31mred\u001b[39m\u001b[22m\u001b[49m");
[INFO] [stderr]    |                                                                                         ^^^---
[INFO] [stderr]    |                                                                                           |
[INFO] [stderr]    |                                                                                           help: format of unicode escape sequences uses braces: `\u{001b}`
[INFO] [stderr] 
[INFO] [stderr] error: incorrect unicode escape sequence
[INFO] [stderr]   --> src/lib.rs:93:36
[INFO] [stderr]    |
[INFO] [stderr] 93 |         assert_show(color("red"), "\u001b[1m\u001b[31mred\u001b[39m\u001b[22m");
[INFO] [stderr]    |                                    ^^^---
[INFO] [stderr]    |                                      |
[INFO] [stderr]    |                                      help: format of unicode escape sequences uses braces: `\u{001b}`
[INFO] [stderr] 
[INFO] [stderr] error: incorrect unicode escape sequence
[INFO] [stderr]   --> src/lib.rs:93:45
[INFO] [stderr]    |
[INFO] [stderr] 93 |         assert_show(color("red"), "\u001b[1m\u001b[31mred\u001b[39m\u001b[22m");
[INFO] [stderr]    |                                             ^^^---
[INFO] [stderr]    |                                               |
[INFO] [stderr]    |                                               help: format of unicode escape sequences uses braces: `\u{001b}`
[INFO] [stderr] 
[INFO] [stderr] error: incorrect unicode escape sequence
[INFO] [stderr]   --> src/lib.rs:93:58
[INFO] [stderr]    |
[INFO] [stderr] 93 |         assert_show(color("red"), "\u001b[1m\u001b[31mred\u001b[39m\u001b[22m");
[INFO] [stderr]    |                                                          ^^^---
[INFO] [stderr]    |                                                            |
[INFO] [stderr]    |                                                            help: format of unicode escape sequences uses braces: `\u{001b}`
[INFO] [stderr] 
[INFO] [stderr] error: incorrect unicode escape sequence
[INFO] [stderr]   --> src/lib.rs:93:68
[INFO] [stderr]    |
[INFO] [stderr] 93 |         assert_show(color("red"), "\u001b[1m\u001b[31mred\u001b[39m\u001b[22m");
[INFO] [stderr]    |                                                                    ^^^---
[INFO] [stderr]    |                                                                      |
[INFO] [stderr]    |                                                                      help: format of unicode escape sequences uses braces: `\u{001b}`
[INFO] [stderr] 
[INFO] [stderr] error: incorrect unicode escape sequence
[INFO] [stderr]   --> src/lib.rs:95:37
[INFO] [stderr]    |
[INFO] [stderr] 95 |         assert_show(color2("red"), "\u001b[43m\u001b[1m\u001b[31mred\u001b[39m\u001b[22m\u001b[49m");
[INFO] [stderr]    |                                     ^^^---
[INFO] [stderr]    |                                       |
[INFO] [stderr]    |                                       help: format of unicode escape sequences uses braces: `\u{001b}`
[INFO] [stderr] 
[INFO] [stderr] error: incorrect unicode escape sequence
[INFO] [stderr]   --> src/lib.rs:95:47
[INFO] [stderr]    |
[INFO] [stderr] 95 |         assert_show(color2("red"), "\u001b[43m\u001b[1m\u001b[31mred\u001b[39m\u001b[22m\u001b[49m");
[INFO] [stderr]    |                                               ^^^---
[INFO] [stderr]    |                                                 |
[INFO] [stderr]    |                                                 help: format of unicode escape sequences uses braces: `\u{001b}`
[INFO] [stderr] 
[INFO] [stderr] error: incorrect unicode escape sequence
[INFO] [stderr]   --> src/lib.rs:95:56
[INFO] [stderr]    |
[INFO] [stderr] 95 |         assert_show(color2("red"), "\u001b[43m\u001b[1m\u001b[31mred\u001b[39m\u001b[22m\u001b[49m");
[INFO] [stderr]    |                                                        ^^^---
[INFO] [stderr]    |                                                          |
[INFO] [stderr]    |                                                          help: format of unicode escape sequences uses braces: `\u{001b}`
[INFO] [stderr] 
[INFO] [stderr] error: incorrect unicode escape sequence
[INFO] [stderr]   --> src/lib.rs:95:69
[INFO] [stderr]    |
[INFO] [stderr] 95 |         assert_show(color2("red"), "\u001b[43m\u001b[1m\u001b[31mred\u001b[39m\u001b[22m\u001b[49m");
[INFO] [stderr]    |                                                                     ^^^---
[INFO] [stderr]    |                                                                       |
[INFO] [stderr]    |                                                                       help: format of unicode escape sequences uses braces: `\u{001b}`
[INFO] [stderr] 
[INFO] [stderr] error: incorrect unicode escape sequence
[INFO] [stderr]   --> src/lib.rs:95:79
[INFO] [stderr]    |
[INFO] [stderr] 95 |         assert_show(color2("red"), "\u001b[43m\u001b[1m\u001b[31mred\u001b[39m\u001b[22m\u001b[49m");
[INFO] [stderr]    |                                                                               ^^^---
[INFO] [stderr]    |                                                                                 |
[INFO] [stderr]    |                                                                                 help: format of unicode escape sequences uses braces: `\u{001b}`
[INFO] [stderr] 
[INFO] [stderr] error: incorrect unicode escape sequence
[INFO] [stderr]   --> src/lib.rs:95:89
[INFO] [stderr]    |
[INFO] [stderr] 95 |         assert_show(color2("red"), "\u001b[43m\u001b[1m\u001b[31mred\u001b[39m\u001b[22m\u001b[49m");
[INFO] [stderr]    |                                                                                         ^^^---
[INFO] [stderr]    |                                                                                           |
[INFO] [stderr]    |                                                                                           help: format of unicode escape sequences uses braces: `\u{001b}`
[INFO] [stderr] 
[INFO] [stderr] error: incorrect unicode escape sequence
[INFO] [stderr]   --> src/ansi.rs:15:22
[INFO] [stderr]    |
[INFO] [stderr] 15 |         write!(fmt, "\u001b[{}m", c)
[INFO] [stderr]    |                      ^^^---
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        help: format of unicode escape sequences uses braces: `\u{001b}`
[INFO] [stderr] 
[INFO] [stderr] error: expected one of `!`, `(`, `+`, `::`, `;`, `<`, or `]`, found `,`
[INFO] [stderr]   --> src/ansi.rs:19:29
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl AsSlice<Ansi> for [Ansi, ..1] {
[INFO] [stderr]    |                             ^ expected one of 7 possible tokens here
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 24 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `ansi`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4880fefdf5ce7b805416d9dc40665b2890c3441086de23165f74c84a9070bcb8"`
[INFO] running `"docker" "rm" "-f" "4880fefdf5ce7b805416d9dc40665b2890c3441086de23165f74c84a9070bcb8"`
[INFO] [stdout] 4880fefdf5ce7b805416d9dc40665b2890c3441086de23165f74c84a9070bcb8