[INFO] cloning repository https://github.com/glaucuslinux/radula-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/glaucuslinux/radula-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglaucuslinux%2Fradula-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglaucuslinux%2Fradula-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1cd561a5b15c37dc7df6f418d6c81c0200c7f6cf
[INFO] checking glaucuslinux/radula-rs against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglaucuslinux%2Fradula-rs" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/glaucuslinux/radula-rs on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/glaucuslinux/radula-rs
[INFO] finished tweaking git repo https://github.com/glaucuslinux/radula-rs
[INFO] tweaked toml for git repo https://github.com/glaucuslinux/radula-rs written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/glaucuslinux/radula-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 234b18b3953d54deaef4d48af4ab38691f45a520a25d2799d0a8cdef16e13fd1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "234b18b3953d54deaef4d48af4ab38691f45a520a25d2799d0a8cdef16e13fd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "234b18b3953d54deaef4d48af4ab38691f45a520a25d2799d0a8cdef16e13fd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "234b18b3953d54deaef4d48af4ab38691f45a520a25d2799d0a8cdef16e13fd1", kill_on_drop: false }`
[INFO] [stdout] 234b18b3953d54deaef4d48af4ab38691f45a520a25d2799d0a8cdef16e13fd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79f2d81d77cd0e29de50b13fa34a11e771e3e962232911070f48fcaf16633fc2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "79f2d81d77cd0e29de50b13fa34a11e771e3e962232911070f48fcaf16633fc2", kill_on_drop: false }`
[INFO] [stderr]     Checking radula-rs v3.6.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `RADULA_TOOTH_BASH`
[INFO] [stdout]    --> src/constants.rs:301:1
[INFO] [stdout]     |
[INFO] [stdout] 301 | pub const RADULA_TOOTH_BASH: &'static str = "bash";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RADULA_TOOTH_REFLEX`
[INFO] [stdout]    --> src/constants.rs:349:1
[INFO] [stdout]     |
[INFO] [stdout] 349 | pub const RADULA_TOOTH_REFLEX: &'static str = "reflex";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:202:5
[INFO] [stdout]     |
[INFO] [stdout] 202 |     fs::remove_file(env::var(constants::RADULA_ENVIRONMENT_FILE_TOOLCHAIN_LOG).unwrap());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:434:9
[INFO] [stdout]     |
[INFO] [stdout] 434 | /         Command::new(constants::RADULA_TOOTH_RSYNC)
[INFO] [stdout] 435 | |             .args(&[
[INFO] [stdout] 436 | |                 constants::RADULA_TOOTH_RSYNC_FLAGS,
[INFO] [stdout] 437 | |                 Path::new(&env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_BACKUPS).unwrap())
[INFO] [stdout] ...   |
[INFO] [stdout] 444 | |             .stdout(Stdio::null())
[INFO] [stdout] 445 | |             .spawn();
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:454:5
[INFO] [stdout]     |
[INFO] [stdout] 454 | /     fs::create_dir_all(
[INFO] [stdout] 455 | |         env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_CROSS_TEMPORARY_BUILDS).unwrap(),
[INFO] [stdout] 456 | |     );
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:458:5
[INFO] [stdout]     |
[INFO] [stdout] 458 |     fs::remove_file(env::var(constants::RADULA_ENVIRONMENT_FILE_CROSS_LOG).unwrap());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:461:5
[INFO] [stdout]     |
[INFO] [stdout] 461 | /     fs::create_dir_all(
[INFO] [stdout] 462 | |         env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_CROSS_TEMPORARY_SOURCES).unwrap(),
[INFO] [stdout] 463 | |     );
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:467:5
[INFO] [stdout]     |
[INFO] [stdout] 467 | /     Command::new(constants::RADULA_TOOTH_FIND)
[INFO] [stdout] 468 | |         .args(&[
[INFO] [stdout] 469 | |             Path::new(&env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_CROSS).unwrap())
[INFO] [stdout] 470 | |                 .join(constants::RADULA_PATH_ETC)
[INFO] [stdout] ...   |
[INFO] [stdout] 474 | |         ])
[INFO] [stdout] 475 | |         .spawn();
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:484:5
[INFO] [stdout]     |
[INFO] [stdout] 484 | /     Command::new(constants::RADULA_TOOTH_FIND)
[INFO] [stdout] 485 | |         .args(&[
[INFO] [stdout] 486 | |             x,
[INFO] [stdout] 487 | |             "-name *.a -type f -exec",
[INFO] [stdout] ...   |
[INFO] [stdout] 490 | |         ])
[INFO] [stdout] 491 | |         .spawn();
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:492:5
[INFO] [stdout]     |
[INFO] [stdout] 492 | /     Command::new(constants::RADULA_TOOTH_FIND)
[INFO] [stdout] 493 | |         .args(&[
[INFO] [stdout] 494 | |             x,
[INFO] [stdout] 495 | |             "\\( -name *.so* -a ! -name *dbg \\) -type f -exec",
[INFO] [stdout] ...   |
[INFO] [stdout] 498 | |         ])
[INFO] [stdout] 499 | |         .spawn();
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:500:5
[INFO] [stdout]     |
[INFO] [stdout] 500 | /     Command::new(constants::RADULA_TOOTH_FIND)
[INFO] [stdout] 501 | |         .args(&[
[INFO] [stdout] 502 | |             x,
[INFO] [stdout] 503 | |             "-type f -exec",
[INFO] [stdout] ...   |
[INFO] [stdout] 506 | |         ])
[INFO] [stdout] 507 | |         .spawn();
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:508:5
[INFO] [stdout]     |
[INFO] [stdout] 508 | /     Command::new(constants::RADULA_TOOTH_FIND)
[INFO] [stdout] 509 | |         .args(&[x, "-name *.la -delete"])
[INFO] [stdout] 510 | |         .spawn();
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:513:5
[INFO] [stdout]     |
[INFO] [stdout] 513 | /     fs::remove_file(
[INFO] [stdout] 514 | |         Path::new(x)
[INFO] [stdout] 515 | |             .join(constants::RADULA_PATH_LIB)
[INFO] [stdout] 516 | |             .join(constants::RADULA_FILE_CHARSET_ALIAS),
[INFO] [stdout] 517 | |     );
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:525:5
[INFO] [stdout]     |
[INFO] [stdout] 525 | /     fs::remove_file(
[INFO] [stdout] 526 | |         Path::new(&env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_GLAUCUS).unwrap())
[INFO] [stdout] 527 | |             .join(constants::RADULA_FILE_GLAUCUS_IMAGE),
[INFO] [stdout] 528 | |     );
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:600:5
[INFO] [stdout]     |
[INFO] [stdout] 600 |     fs::create_dir_all(env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_BACKUPS).unwrap());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:601:5
[INFO] [stdout]     |
[INFO] [stdout] 601 |     fs::create_dir_all(env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_SOURCES).unwrap());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:606:9
[INFO] [stdout]     |
[INFO] [stdout] 606 | /         Command::new(constants::RADULA_TOOTH_RSYNC)
[INFO] [stdout] 607 | |             .args(&[
[INFO] [stdout] 608 | |                 constants::RADULA_TOOTH_RSYNC_FLAGS,
[INFO] [stdout] 609 | |                 &env::var(x).unwrap(),
[INFO] [stdout] ...   |
[INFO] [stdout] 613 | |             .stdout(Stdio::null())
[INFO] [stdout] 614 | |             .spawn();
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:668:5
[INFO] [stdout]     |
[INFO] [stdout] 668 |     fs::create_dir_all(env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_CROSS).unwrap());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:670:5
[INFO] [stdout]     |
[INFO] [stdout] 670 |     fs::create_dir_all(env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_TOOLCHAIN).unwrap());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:672:5
[INFO] [stdout]     |
[INFO] [stdout] 672 | /     fs::create_dir_all(
[INFO] [stdout] 673 | |         env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_TOOLCHAIN_TEMPORARY_BUILDS).unwrap(),
[INFO] [stdout] 674 | |     );
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:677:5
[INFO] [stdout]     |
[INFO] [stdout] 677 | /     fs::create_dir_all(
[INFO] [stdout] 678 | |         env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_TOOLCHAIN_TEMPORARY_SOURCES).unwrap(),
[INFO] [stdout] 679 | |     );
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:791:9
[INFO] [stdout]     |
[INFO] [stdout] 791 |         fs::remove_dir_all(x);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:870:13
[INFO] [stdout]     |
[INFO] [stdout] 870 | /             Command::new(constants::RADULA_TOOTH_GIT)
[INFO] [stdout] 871 | |                 .args(&["clone", &y[3], z])
[INFO] [stdout] 872 | |                 .spawn();
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:874:13
[INFO] [stdout]     |
[INFO] [stdout] 874 | /             Command::new(constants::RADULA_TOOTH_GIT)
[INFO] [stdout] 875 | |                 .args(&["-C", z, "checkout", &y[2]])
[INFO] [stdout] 876 | |                 .spawn();
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:878:13
[INFO] [stdout]     |
[INFO] [stdout] 878 |             fs::create_dir_all(z);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:880:13
[INFO] [stdout]     |
[INFO] [stdout] 880 | /             Command::new(constants::RADULA_TOOTH_CURL)
[INFO] [stdout] 881 | |                 .args(&[constants::RADULA_TOOTH_CURL_FLAGS, &w, &y[3]])
[INFO] [stdout] 882 | |                 .spawn();
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:887:13
[INFO] [stdout]     |
[INFO] [stdout] 887 | /             Command::new(constants::RADULA_TOOTH_TAR)
[INFO] [stdout] 888 | |                 .args(&["xvf", &w, "-C", z])
[INFO] [stdout] 889 | |                 .stdout(Stdio::null())
[INFO] [stdout] 890 | |                 .spawn();
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RADULA_TOOTH_BASH`
[INFO] [stdout]    --> src/constants.rs:301:1
[INFO] [stdout]     |
[INFO] [stdout] 301 | pub const RADULA_TOOTH_BASH: &'static str = "bash";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RADULA_TOOTH_REFLEX`
[INFO] [stdout]    --> src/constants.rs:349:1
[INFO] [stdout]     |
[INFO] [stdout] 349 | pub const RADULA_TOOTH_REFLEX: &'static str = "reflex";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:202:5
[INFO] [stdout]     |
[INFO] [stdout] 202 |     fs::remove_file(env::var(constants::RADULA_ENVIRONMENT_FILE_TOOLCHAIN_LOG).unwrap());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:434:9
[INFO] [stdout]     |
[INFO] [stdout] 434 | /         Command::new(constants::RADULA_TOOTH_RSYNC)
[INFO] [stdout] 435 | |             .args(&[
[INFO] [stdout] 436 | |                 constants::RADULA_TOOTH_RSYNC_FLAGS,
[INFO] [stdout] 437 | |                 Path::new(&env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_BACKUPS).unwrap())
[INFO] [stdout] ...   |
[INFO] [stdout] 444 | |             .stdout(Stdio::null())
[INFO] [stdout] 445 | |             .spawn();
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:454:5
[INFO] [stdout]     |
[INFO] [stdout] 454 | /     fs::create_dir_all(
[INFO] [stdout] 455 | |         env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_CROSS_TEMPORARY_BUILDS).unwrap(),
[INFO] [stdout] 456 | |     );
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:458:5
[INFO] [stdout]     |
[INFO] [stdout] 458 |     fs::remove_file(env::var(constants::RADULA_ENVIRONMENT_FILE_CROSS_LOG).unwrap());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:461:5
[INFO] [stdout]     |
[INFO] [stdout] 461 | /     fs::create_dir_all(
[INFO] [stdout] 462 | |         env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_CROSS_TEMPORARY_SOURCES).unwrap(),
[INFO] [stdout] 463 | |     );
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:467:5
[INFO] [stdout]     |
[INFO] [stdout] 467 | /     Command::new(constants::RADULA_TOOTH_FIND)
[INFO] [stdout] 468 | |         .args(&[
[INFO] [stdout] 469 | |             Path::new(&env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_CROSS).unwrap())
[INFO] [stdout] 470 | |                 .join(constants::RADULA_PATH_ETC)
[INFO] [stdout] ...   |
[INFO] [stdout] 474 | |         ])
[INFO] [stdout] 475 | |         .spawn();
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:484:5
[INFO] [stdout]     |
[INFO] [stdout] 484 | /     Command::new(constants::RADULA_TOOTH_FIND)
[INFO] [stdout] 485 | |         .args(&[
[INFO] [stdout] 486 | |             x,
[INFO] [stdout] 487 | |             "-name *.a -type f -exec",
[INFO] [stdout] ...   |
[INFO] [stdout] 490 | |         ])
[INFO] [stdout] 491 | |         .spawn();
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:492:5
[INFO] [stdout]     |
[INFO] [stdout] 492 | /     Command::new(constants::RADULA_TOOTH_FIND)
[INFO] [stdout] 493 | |         .args(&[
[INFO] [stdout] 494 | |             x,
[INFO] [stdout] 495 | |             "\\( -name *.so* -a ! -name *dbg \\) -type f -exec",
[INFO] [stdout] ...   |
[INFO] [stdout] 498 | |         ])
[INFO] [stdout] 499 | |         .spawn();
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:500:5
[INFO] [stdout]     |
[INFO] [stdout] 500 | /     Command::new(constants::RADULA_TOOTH_FIND)
[INFO] [stdout] 501 | |         .args(&[
[INFO] [stdout] 502 | |             x,
[INFO] [stdout] 503 | |             "-type f -exec",
[INFO] [stdout] ...   |
[INFO] [stdout] 506 | |         ])
[INFO] [stdout] 507 | |         .spawn();
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:508:5
[INFO] [stdout]     |
[INFO] [stdout] 508 | /     Command::new(constants::RADULA_TOOTH_FIND)
[INFO] [stdout] 509 | |         .args(&[x, "-name *.la -delete"])
[INFO] [stdout] 510 | |         .spawn();
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:513:5
[INFO] [stdout]     |
[INFO] [stdout] 513 | /     fs::remove_file(
[INFO] [stdout] 514 | |         Path::new(x)
[INFO] [stdout] 515 | |             .join(constants::RADULA_PATH_LIB)
[INFO] [stdout] 516 | |             .join(constants::RADULA_FILE_CHARSET_ALIAS),
[INFO] [stdout] 517 | |     );
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:525:5
[INFO] [stdout]     |
[INFO] [stdout] 525 | /     fs::remove_file(
[INFO] [stdout] 526 | |         Path::new(&env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_GLAUCUS).unwrap())
[INFO] [stdout] 527 | |             .join(constants::RADULA_FILE_GLAUCUS_IMAGE),
[INFO] [stdout] 528 | |     );
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:600:5
[INFO] [stdout]     |
[INFO] [stdout] 600 |     fs::create_dir_all(env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_BACKUPS).unwrap());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:601:5
[INFO] [stdout]     |
[INFO] [stdout] 601 |     fs::create_dir_all(env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_SOURCES).unwrap());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:606:9
[INFO] [stdout]     |
[INFO] [stdout] 606 | /         Command::new(constants::RADULA_TOOTH_RSYNC)
[INFO] [stdout] 607 | |             .args(&[
[INFO] [stdout] 608 | |                 constants::RADULA_TOOTH_RSYNC_FLAGS,
[INFO] [stdout] 609 | |                 &env::var(x).unwrap(),
[INFO] [stdout] ...   |
[INFO] [stdout] 613 | |             .stdout(Stdio::null())
[INFO] [stdout] 614 | |             .spawn();
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:668:5
[INFO] [stdout]     |
[INFO] [stdout] 668 |     fs::create_dir_all(env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_CROSS).unwrap());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:670:5
[INFO] [stdout]     |
[INFO] [stdout] 670 |     fs::create_dir_all(env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_TOOLCHAIN).unwrap());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:672:5
[INFO] [stdout]     |
[INFO] [stdout] 672 | /     fs::create_dir_all(
[INFO] [stdout] 673 | |         env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_TOOLCHAIN_TEMPORARY_BUILDS).unwrap(),
[INFO] [stdout] 674 | |     );
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:677:5
[INFO] [stdout]     |
[INFO] [stdout] 677 | /     fs::create_dir_all(
[INFO] [stdout] 678 | |         env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_TOOLCHAIN_TEMPORARY_SOURCES).unwrap(),
[INFO] [stdout] 679 | |     );
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:791:9
[INFO] [stdout]     |
[INFO] [stdout] 791 |         fs::remove_dir_all(x);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:870:13
[INFO] [stdout]     |
[INFO] [stdout] 870 | /             Command::new(constants::RADULA_TOOTH_GIT)
[INFO] [stdout] 871 | |                 .args(&["clone", &y[3], z])
[INFO] [stdout] 872 | |                 .spawn();
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:874:13
[INFO] [stdout]     |
[INFO] [stdout] 874 | /             Command::new(constants::RADULA_TOOTH_GIT)
[INFO] [stdout] 875 | |                 .args(&["-C", z, "checkout", &y[2]])
[INFO] [stdout] 876 | |                 .spawn();
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:878:13
[INFO] [stdout]     |
[INFO] [stdout] 878 |             fs::create_dir_all(z);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:880:13
[INFO] [stdout]     |
[INFO] [stdout] 880 | /             Command::new(constants::RADULA_TOOTH_CURL)
[INFO] [stdout] 881 | |                 .args(&[constants::RADULA_TOOTH_CURL_FLAGS, &w, &y[3]])
[INFO] [stdout] 882 | |                 .spawn();
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:887:13
[INFO] [stdout]     |
[INFO] [stdout] 887 | /             Command::new(constants::RADULA_TOOTH_TAR)
[INFO] [stdout] 888 | |                 .args(&["xvf", &w, "-C", z])
[INFO] [stdout] 889 | |                 .stdout(Stdio::null())
[INFO] [stdout] 890 | |                 .spawn();
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "79f2d81d77cd0e29de50b13fa34a11e771e3e962232911070f48fcaf16633fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79f2d81d77cd0e29de50b13fa34a11e771e3e962232911070f48fcaf16633fc2", kill_on_drop: false }`
[INFO] [stdout] 79f2d81d77cd0e29de50b13fa34a11e771e3e962232911070f48fcaf16633fc2