[INFO] cloning repository https://github.com/mi-yu/emooji
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mi-yu/emooji" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmi-yu%2Femooji", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmi-yu%2Femooji'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d31a2972cc45d15e8d7b301d479bb7c601d31598
[INFO] testing mi-yu/emooji against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmi-yu%2Femooji" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mi-yu/emooji on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mi-yu/emooji
[INFO] finished tweaking git repo https://github.com/mi-yu/emooji
[INFO] tweaked toml for git repo https://github.com/mi-yu/emooji written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/mi-yu/emooji already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1024adebb5e5a33d5383fb9477877da2acd9bbab414fdf2942eb83c3da0efeaf
[INFO] running `Command { std: "docker" "start" "-a" "1024adebb5e5a33d5383fb9477877da2acd9bbab414fdf2942eb83c3da0efeaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1024adebb5e5a33d5383fb9477877da2acd9bbab414fdf2942eb83c3da0efeaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1024adebb5e5a33d5383fb9477877da2acd9bbab414fdf2942eb83c3da0efeaf", kill_on_drop: false }`
[INFO] [stdout] 1024adebb5e5a33d5383fb9477877da2acd9bbab414fdf2942eb83c3da0efeaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cdc45a5138a80e16e3d4bb4063611e4c5eddac54291ba0e305b3a2a37131babd
[INFO] running `Command { std: "docker" "start" "-a" "cdc45a5138a80e16e3d4bb4063611e4c5eddac54291ba0e305b3a2a37131babd", kill_on_drop: false }`
[INFO] [stderr]    Compiling emooji v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/compiler/tokenizer/tokenizer_util.rs:78:20
[INFO] [stdout]    |
[INFO] [stdout] 78 |         '\u{1f3fb}'...'\u{1f3ff}' => true,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 | ...                   why.description()),
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:31:43
[INFO] [stdout]    |
[INFO] [stdout] 31 | ...                   path_str, why.description()),
[INFO] [stdout]    |                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:41:33
[INFO] [stdout]    |
[INFO] [stdout] 41 | ...                   why.description()),
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/compiler/mod.rs:68:54
[INFO] [stdout]    |
[INFO] [stdout] 68 |             panic!("couldn't write to file: {}", why.description());
[INFO] [stdout]    |                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/compiler/mod.rs:320:65
[INFO] [stdout]     |
[INFO] [stdout] 320 |                     panic!("Condition must evaluate to boolean: {}")
[INFO] [stdout]     |                                                                 ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(panic_fmt)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 320 |                     panic!("Condition must evaluate to boolean: {}", ...)
[INFO] [stdout]     |                                                                    ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 320 |                     panic!("{}", "Condition must evaluate to boolean: {}")
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/compiler/mod.rs:333:73
[INFO] [stdout]     |
[INFO] [stdout] 333 | ...                   panic!("Condition must evaluate to boolean: {}")
[INFO] [stdout]     |                                                                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 333 |                             panic!("Condition must evaluate to boolean: {}", ...)
[INFO] [stdout]     |                                                                            ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 333 |                             panic!("{}", "Condition must evaluate to boolean: {}")
[INFO] [stdout]     |                                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/compiler/mod.rs:347:65
[INFO] [stdout]     |
[INFO] [stdout] 347 |                     panic!("Condition must evaluate to boolean: {}")
[INFO] [stdout]     |                                                                 ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 347 |                     panic!("Condition must evaluate to boolean: {}", ...)
[INFO] [stdout]     |                                                                    ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 347 |                     panic!("{}", "Condition must evaluate to boolean: {}")
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `Command { std: "docker" "inspect" "cdc45a5138a80e16e3d4bb4063611e4c5eddac54291ba0e305b3a2a37131babd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdc45a5138a80e16e3d4bb4063611e4c5eddac54291ba0e305b3a2a37131babd", kill_on_drop: false }`
[INFO] [stdout] cdc45a5138a80e16e3d4bb4063611e4c5eddac54291ba0e305b3a2a37131babd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f7e793e6dc7240ed9111084cdde501648b5b2aa83f9b829d49772116e6d014ea
[INFO] running `Command { std: "docker" "start" "-a" "f7e793e6dc7240ed9111084cdde501648b5b2aa83f9b829d49772116e6d014ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling emooji v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/compiler/tokenizer/tokenizer_util.rs:78:20
[INFO] [stdout]    |
[INFO] [stdout] 78 |         '\u{1f3fb}'...'\u{1f3ff}' => true,
[INFO] [stdout]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:24:33
[INFO] [stdout]    |
[INFO] [stdout] 24 | ...                   why.description()),
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:31:43
[INFO] [stdout]    |
[INFO] [stdout] 31 | ...                   path_str, why.description()),
[INFO] [stdout]    |                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:41:33
[INFO] [stdout]    |
[INFO] [stdout] 41 | ...                   why.description()),
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/compiler/mod.rs:68:54
[INFO] [stdout]    |
[INFO] [stdout] 68 |             panic!("couldn't write to file: {}", why.description());
[INFO] [stdout]    |                                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/compiler/mod.rs:320:65
[INFO] [stdout]     |
[INFO] [stdout] 320 |                     panic!("Condition must evaluate to boolean: {}")
[INFO] [stdout]     |                                                                 ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(panic_fmt)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 320 |                     panic!("Condition must evaluate to boolean: {}", ...)
[INFO] [stdout]     |                                                                    ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 320 |                     panic!("{}", "Condition must evaluate to boolean: {}")
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/compiler/mod.rs:333:73
[INFO] [stdout]     |
[INFO] [stdout] 333 | ...                   panic!("Condition must evaluate to boolean: {}")
[INFO] [stdout]     |                                                                   ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 333 |                             panic!("Condition must evaluate to boolean: {}", ...)
[INFO] [stdout]     |                                                                            ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 333 |                             panic!("{}", "Condition must evaluate to boolean: {}")
[INFO] [stdout]     |                                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/compiler/mod.rs:347:65
[INFO] [stdout]     |
[INFO] [stdout] 347 |                     panic!("Condition must evaluate to boolean: {}")
[INFO] [stdout]     |                                                                 ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 347 |                     panic!("Condition must evaluate to boolean: {}", ...)
[INFO] [stdout]     |                                                                    ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 347 |                     panic!("{}", "Condition must evaluate to boolean: {}")
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "f7e793e6dc7240ed9111084cdde501648b5b2aa83f9b829d49772116e6d014ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7e793e6dc7240ed9111084cdde501648b5b2aa83f9b829d49772116e6d014ea", kill_on_drop: false }`
[INFO] [stdout] f7e793e6dc7240ed9111084cdde501648b5b2aa83f9b829d49772116e6d014ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0eaa9edcf708968fe13a2d4e497df4a82742aeba8bf9e0eecc6710a5527fba4a
[INFO] running `Command { std: "docker" "start" "-a" "0eaa9edcf708968fe13a2d4e497df4a82742aeba8bf9e0eecc6710a5527fba4a", kill_on_drop: false }`
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/compiler/tokenizer/tokenizer_util.rs:78:20
[INFO] [stderr]    |
[INFO] [stderr] 78 |         '\u{1f3fb}'...'\u{1f3ff}' => true,
[INFO] [stderr]    |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:24:33
[INFO] [stderr]    |
[INFO] [stderr] 24 | ...                   why.description()),
[INFO] [stderr]    |                           ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:31:43
[INFO] [stderr]    |
[INFO] [stderr] 31 | ...                   path_str, why.description()),
[INFO] [stderr]    |                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:41:33
[INFO] [stderr]    |
[INFO] [stderr] 41 | ...                   why.description()),
[INFO] [stderr]    |                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/compiler/mod.rs:68:54
[INFO] [stderr]    |
[INFO] [stderr] 68 |             panic!("couldn't write to file: {}", why.description());
[INFO] [stderr]    |                                                      ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/compiler/mod.rs:320:65
[INFO] [stderr]     |
[INFO] [stderr] 320 |                     panic!("Condition must evaluate to boolean: {}")
[INFO] [stderr]     |                                                                 ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(panic_fmt)]` on by default
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 320 |                     panic!("Condition must evaluate to boolean: {}", ...)
[INFO] [stderr]     |                                                                    ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 320 |                     panic!("{}", "Condition must evaluate to boolean: {}")
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/compiler/mod.rs:333:73
[INFO] [stderr]     |
[INFO] [stderr] 333 | ...                   panic!("Condition must evaluate to boolean: {}")
[INFO] [stderr]     |                                                                   ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 333 |                             panic!("Condition must evaluate to boolean: {}", ...)
[INFO] [stderr]     |                                                                            ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 333 |                             panic!("{}", "Condition must evaluate to boolean: {}")
[INFO] [stderr]     |                                    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/compiler/mod.rs:347:65
[INFO] [stderr]     |
[INFO] [stderr] 347 |                     panic!("Condition must evaluate to boolean: {}")
[INFO] [stderr]     |                                                                 ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 347 |                     panic!("Condition must evaluate to boolean: {}", ...)
[INFO] [stderr]     |                                                                    ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 347 |                     panic!("{}", "Condition must evaluate to boolean: {}")
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/emooji-e1bf505d1903eed7
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0eaa9edcf708968fe13a2d4e497df4a82742aeba8bf9e0eecc6710a5527fba4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eaa9edcf708968fe13a2d4e497df4a82742aeba8bf9e0eecc6710a5527fba4a", kill_on_drop: false }`
[INFO] [stdout] 0eaa9edcf708968fe13a2d4e497df4a82742aeba8bf9e0eecc6710a5527fba4a