[INFO] crate xterm 0.0.1 is already in cache
[INFO] testing xterm-0.0.1 against 1.44.0 for beta-1.45-1
[INFO] extracting crate xterm 0.0.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate xterm 0.0.1 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate xterm 0.0.1
[INFO] finished tweaking crates.io crate xterm 0.0.1
[INFO] tweaked toml for crates.io crate xterm 0.0.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f958e7f6087c7f69c411cf1c3dcb04a137730ecb3073dd77aa5ebec53f3c20b1
[INFO] running `"docker" "start" "-a" "f958e7f6087c7f69c411cf1c3dcb04a137730ecb3073dd77aa5ebec53f3c20b1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling xterm v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `hello`
[INFO] [stderr]  --> src/lib.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 |     pub fn hello () -> () {
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] error: incorrect unicode escape sequence
[INFO] [stderr]   --> src/main.rs:11:33
[INFO] [stderr]    |
[INFO] [stderr] 11 |             Colors::Red     => "\u001b[31m",
[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/main.rs:12:33
[INFO] [stderr]    |
[INFO] [stderr] 12 |             Colors::Blue    => "\u001b[34m",
[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/main.rs:13:33
[INFO] [stderr]    |
[INFO] [stderr] 13 |             Colors::Green   => "\u001b[32m",
[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/main.rs:14:33
[INFO] [stderr]    |
[INFO] [stderr] 14 |             Colors::Yellow  => "\u001b[33m",
[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/main.rs:15:33
[INFO] [stderr]    |
[INFO] [stderr] 15 |             Colors::Magenta => "\u001b[35m",
[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/main.rs:16:33
[INFO] [stderr]    |
[INFO] [stderr] 16 |             Colors::Cyan    => "\u001b[36m",
[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/main.rs:17:33
[INFO] [stderr]    |
[INFO] [stderr] 17 |             Colors::White   => "\u001b[37m",
[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/main.rs:18:33
[INFO] [stderr]    |
[INFO] [stderr] 18 |             Colors::Default => "\u001b[0m",
[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/main.rs:24:33
[INFO] [stderr]    |
[INFO] [stderr] 24 |             Colors::Red     => "\u001b[41m",
[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/main.rs:25:33
[INFO] [stderr]    |
[INFO] [stderr] 25 |             Colors::Blue    => "\u001b[44m",
[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/main.rs:26:33
[INFO] [stderr]    |
[INFO] [stderr] 26 |             Colors::Green   => "\u001b[42m",
[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/main.rs:27:33
[INFO] [stderr]    |
[INFO] [stderr] 27 |             Colors::Yellow  => "\u001b[43m",
[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/main.rs:28:33
[INFO] [stderr]    |
[INFO] [stderr] 28 |             Colors::Magenta => "\u001b[45m",
[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/main.rs:29:33
[INFO] [stderr]    |
[INFO] [stderr] 29 |             Colors::Cyan    => "\u001b[46m",
[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/main.rs:30:33
[INFO] [stderr]    |
[INFO] [stderr] 30 |             Colors::White   => "\u001b[47m",
[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/main.rs:31:33
[INFO] [stderr]    |
[INFO] [stderr] 31 |             Colors::Default => "\u001b[0m",
[INFO] [stderr]    |                                 ^^^---
[INFO] [stderr]    |                                   |
[INFO] [stderr]    |                                   help: format of unicode escape sequences uses braces: `\u{001b}`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 16 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `xterm`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f958e7f6087c7f69c411cf1c3dcb04a137730ecb3073dd77aa5ebec53f3c20b1"`
[INFO] running `"docker" "rm" "-f" "f958e7f6087c7f69c411cf1c3dcb04a137730ecb3073dd77aa5ebec53f3c20b1"`
[INFO] [stdout] f958e7f6087c7f69c411cf1c3dcb04a137730ecb3073dd77aa5ebec53f3c20b1