[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] 528c3273d5b79064760a9a2e4e8387dece45acec
[INFO] testing glaucuslinux/radula-rs against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglaucuslinux%2Fradula-rs" "/workspace/builds/worker-107/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-107/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/glaucuslinux/radula-rs on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-107/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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 600600d8db9395f47300f9acdb355168e61ee606f5040cbe95ecb46d49c9d499
[INFO] running `Command { std: "docker" "start" "-a" "600600d8db9395f47300f9acdb355168e61ee606f5040cbe95ecb46d49c9d499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "600600d8db9395f47300f9acdb355168e61ee606f5040cbe95ecb46d49c9d499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "600600d8db9395f47300f9acdb355168e61ee606f5040cbe95ecb46d49c9d499", kill_on_drop: false }`
[INFO] [stdout] 600600d8db9395f47300f9acdb355168e61ee606f5040cbe95ecb46d49c9d499
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c1c4a44f53ec92e3ac99bad24a4caa9377becf246b1d0abce4f963af47779a4
[INFO] running `Command { std: "docker" "start" "-a" "4c1c4a44f53ec92e3ac99bad24a4caa9377becf246b1d0abce4f963af47779a4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling radula v1.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `RADULA_TOOTH_BASH`
[INFO] [stdout]    --> src/constants.rs:471:1
[INFO] [stdout]     |
[INFO] [stdout] 471 | 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: function is never used: `radula_behave_bootstrap_cross_strip`
[INFO] [stdout]    --> src/functions.rs:830:4
[INFO] [stdout]     |
[INFO] [stdout] 830 | fn radula_behave_bootstrap_cross_strip() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:277:5
[INFO] [stdout]     |
[INFO] [stdout] 277 |     fs::remove_dir_all(&env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_CROSS).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:279:5
[INFO] [stdout]     |
[INFO] [stdout] 279 |     fs::remove_dir_all(&env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_LOGS).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:281:5
[INFO] [stdout]     |
[INFO] [stdout] 281 | /     fs::remove_dir_all(
[INFO] [stdout] 282 | |         &env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_TOOLCHAIN_TEMPORARY_BUILDS).unwrap(),
[INFO] [stdout] 283 | |     );
[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:285:5
[INFO] [stdout]     |
[INFO] [stdout] 285 | /     fs::remove_dir_all(
[INFO] [stdout] 286 | |         &env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_CROSS_TEMPORARY_BUILDS).unwrap(),
[INFO] [stdout] 287 | |     );
[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:289:5
[INFO] [stdout]     |
[INFO] [stdout] 289 |     fs::remove_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:558:5
[INFO] [stdout]     |
[INFO] [stdout] 558 |     fs::remove_file(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:691:5
[INFO] [stdout]     |
[INFO] [stdout] 691 |     fs::create_dir(w);
[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:701:5
[INFO] [stdout]     |
[INFO] [stdout] 701 |     fs::remove_dir_all(Path::new(w).join(constants::RADULA_PATH_LOST_FOUND));
[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:724:5
[INFO] [stdout]     |
[INFO] [stdout] 724 |     fs::create_dir(r);
[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:810:5
[INFO] [stdout]     |
[INFO] [stdout] 810 | /     fs::remove_dir_all(
[INFO] [stdout] 811 | |         &env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_CROSS_TEMPORARY_BUILDS).unwrap(),
[INFO] [stdout] 812 | |     );
[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:813:5
[INFO] [stdout]     |
[INFO] [stdout] 813 | /     fs::create_dir(
[INFO] [stdout] 814 | |         env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_CROSS_TEMPORARY_BUILDS).unwrap(),
[INFO] [stdout] 815 | |     );
[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:818:5
[INFO] [stdout]     |
[INFO] [stdout] 818 | /     fs::create_dir(
[INFO] [stdout] 819 | |         env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_CROSS_TEMPORARY_SOURCES).unwrap(),
[INFO] [stdout] 820 | |     );
[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:823:5
[INFO] [stdout]     |
[INFO] [stdout] 823 |     fs::create_dir(env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_LOGS).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:826:5
[INFO] [stdout]     |
[INFO] [stdout] 826 |     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:916:5
[INFO] [stdout]     |
[INFO] [stdout] 916 |     fs::remove_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:918:5
[INFO] [stdout]     |
[INFO] [stdout] 918 | /     fs::remove_file(
[INFO] [stdout] 919 | |         Path::new(&env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_GLAUCUS).unwrap())
[INFO] [stdout] 920 | |             .join(constants::RADULA_FILE_GLAUCUS_IMAGE),
[INFO] [stdout] 921 | |     );
[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:923:5
[INFO] [stdout]     |
[INFO] [stdout] 923 |     fs::remove_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:930:5
[INFO] [stdout]     |
[INFO] [stdout] 930 |     fs::remove_dir_all(&env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_TEMPORARY).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:989:5
[INFO] [stdout]     |
[INFO] [stdout] 989 |     fs::create_dir(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:990:5
[INFO] [stdout]     |
[INFO] [stdout] 990 |     fs::create_dir(env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_LOGS).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:991:5
[INFO] [stdout]     |
[INFO] [stdout] 991 |     fs::create_dir(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:992:5
[INFO] [stdout]     |
[INFO] [stdout] 992 |     fs::create_dir(env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_TEMPORARY).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:1060:5
[INFO] [stdout]      |
[INFO] [stdout] 1060 |     fs::create_dir(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:1062:5
[INFO] [stdout]      |
[INFO] [stdout] 1062 |     fs::create_dir(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:1064:5
[INFO] [stdout]      |
[INFO] [stdout] 1064 |     fs::create_dir(env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_TOOLCHAIN_TEMPORARY).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:1065:5
[INFO] [stdout]      |
[INFO] [stdout] 1065 | /     fs::create_dir(
[INFO] [stdout] 1066 | |         env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_TOOLCHAIN_TEMPORARY_BUILDS).unwrap(),
[INFO] [stdout] 1067 | |     );
[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:1069:5
[INFO] [stdout]      |
[INFO] [stdout] 1069 | /     fs::create_dir(
[INFO] [stdout] 1070 | |         env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_TOOLCHAIN_TEMPORARY_SOURCES).unwrap(),
[INFO] [stdout] 1071 | |     );
[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:1083:5
[INFO] [stdout]      |
[INFO] [stdout] 1083 |     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:1084:5
[INFO] [stdout]      |
[INFO] [stdout] 1084 |     fs::create_dir(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:1102:5
[INFO] [stdout]      |
[INFO] [stdout] 1102 | /     fs::remove_dir_all(
[INFO] [stdout] 1103 | |         Path::new(x)
[INFO] [stdout] 1104 | |             .join(constants::RADULA_DIRECTORY_CROSS)
[INFO] [stdout] 1105 | |             .join(constants::RADULA_PATH_LIB64),
[INFO] [stdout] 1106 | |     );
[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:1107:5
[INFO] [stdout]      |
[INFO] [stdout] 1107 | /     fs::remove_dir_all(
[INFO] [stdout] 1108 | |         Path::new(x)
[INFO] [stdout] 1109 | |             .join(constants::RADULA_DIRECTORY_CROSS)
[INFO] [stdout] 1110 | |             .join(constants::RADULA_PATH_USR)
[INFO] [stdout] 1111 | |             .join(constants::RADULA_PATH_LIB64),
[INFO] [stdout] 1112 | |     );
[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:1113:5
[INFO] [stdout]      |
[INFO] [stdout] 1113 | /     fs::remove_dir_all(
[INFO] [stdout] 1114 | |         Path::new(x)
[INFO] [stdout] 1115 | |             .join(constants::RADULA_DIRECTORY_TOOLCHAIN)
[INFO] [stdout] 1116 | |             .join(constants::RADULA_PATH_LIB64),
[INFO] [stdout] 1117 | |     );
[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:1191:5
[INFO] [stdout]      |
[INFO] [stdout] 1191 | /     fs::remove_dir_all(
[INFO] [stdout] 1192 | |         Path::new(x)
[INFO] [stdout] 1193 | |             .join(constants::RADULA_DIRECTORY_TOOLCHAIN)
[INFO] [stdout] 1194 | |             .join(constants::RADULA_PATH_SHARE)
[INFO] [stdout] 1195 | |             .join(constants::RADULA_PATH_INFO),
[INFO] [stdout] 1196 | |     );
[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:1197:5
[INFO] [stdout]      |
[INFO] [stdout] 1197 | /     fs::remove_dir_all(
[INFO] [stdout] 1198 | |         Path::new(x)
[INFO] [stdout] 1199 | |             .join(constants::RADULA_DIRECTORY_TOOLCHAIN)
[INFO] [stdout] 1200 | |             .join(constants::RADULA_PATH_SHARE)
[INFO] [stdout] 1201 | |             .join(constants::RADULA_PATH_MAN),
[INFO] [stdout] 1202 | |     );
[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:1496:13
[INFO] [stdout]      |
[INFO] [stdout] 1496 |             fs::create_dir(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: 37 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "4c1c4a44f53ec92e3ac99bad24a4caa9377becf246b1d0abce4f963af47779a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c1c4a44f53ec92e3ac99bad24a4caa9377becf246b1d0abce4f963af47779a4", kill_on_drop: false }`
[INFO] [stdout] 4c1c4a44f53ec92e3ac99bad24a4caa9377becf246b1d0abce4f963af47779a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa7c28ef16f472d8e68c949845eab50269f74f30a13a18867e5f6c38363d81ac
[INFO] running `Command { std: "docker" "start" "-a" "aa7c28ef16f472d8e68c949845eab50269f74f30a13a18867e5f6c38363d81ac", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling radula v1.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `RADULA_TOOTH_BASH`
[INFO] [stdout]    --> src/constants.rs:471:1
[INFO] [stdout]     |
[INFO] [stdout] 471 | 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: function is never used: `radula_behave_bootstrap_cross_strip`
[INFO] [stdout]    --> src/functions.rs:830:4
[INFO] [stdout]     |
[INFO] [stdout] 830 | fn radula_behave_bootstrap_cross_strip() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/functions.rs:277:5
[INFO] [stdout]     |
[INFO] [stdout] 277 |     fs::remove_dir_all(&env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_CROSS).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:279:5
[INFO] [stdout]     |
[INFO] [stdout] 279 |     fs::remove_dir_all(&env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_LOGS).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:281:5
[INFO] [stdout]     |
[INFO] [stdout] 281 | /     fs::remove_dir_all(
[INFO] [stdout] 282 | |         &env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_TOOLCHAIN_TEMPORARY_BUILDS).unwrap(),
[INFO] [stdout] 283 | |     );
[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:285:5
[INFO] [stdout]     |
[INFO] [stdout] 285 | /     fs::remove_dir_all(
[INFO] [stdout] 286 | |         &env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_CROSS_TEMPORARY_BUILDS).unwrap(),
[INFO] [stdout] 287 | |     );
[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:289:5
[INFO] [stdout]     |
[INFO] [stdout] 289 |     fs::remove_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:558:5
[INFO] [stdout]     |
[INFO] [stdout] 558 |     fs::remove_file(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:691:5
[INFO] [stdout]     |
[INFO] [stdout] 691 |     fs::create_dir(w);
[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:701:5
[INFO] [stdout]     |
[INFO] [stdout] 701 |     fs::remove_dir_all(Path::new(w).join(constants::RADULA_PATH_LOST_FOUND));
[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:724:5
[INFO] [stdout]     |
[INFO] [stdout] 724 |     fs::create_dir(r);
[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:810:5
[INFO] [stdout]     |
[INFO] [stdout] 810 | /     fs::remove_dir_all(
[INFO] [stdout] 811 | |         &env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_CROSS_TEMPORARY_BUILDS).unwrap(),
[INFO] [stdout] 812 | |     );
[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:813:5
[INFO] [stdout]     |
[INFO] [stdout] 813 | /     fs::create_dir(
[INFO] [stdout] 814 | |         env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_CROSS_TEMPORARY_BUILDS).unwrap(),
[INFO] [stdout] 815 | |     );
[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:818:5
[INFO] [stdout]     |
[INFO] [stdout] 818 | /     fs::create_dir(
[INFO] [stdout] 819 | |         env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_CROSS_TEMPORARY_SOURCES).unwrap(),
[INFO] [stdout] 820 | |     );
[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:823:5
[INFO] [stdout]     |
[INFO] [stdout] 823 |     fs::create_dir(env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_LOGS).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:826:5
[INFO] [stdout]     |
[INFO] [stdout] 826 |     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:916:5
[INFO] [stdout]     |
[INFO] [stdout] 916 |     fs::remove_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:918:5
[INFO] [stdout]     |
[INFO] [stdout] 918 | /     fs::remove_file(
[INFO] [stdout] 919 | |         Path::new(&env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_GLAUCUS).unwrap())
[INFO] [stdout] 920 | |             .join(constants::RADULA_FILE_GLAUCUS_IMAGE),
[INFO] [stdout] 921 | |     );
[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:923:5
[INFO] [stdout]     |
[INFO] [stdout] 923 |     fs::remove_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:930:5
[INFO] [stdout]     |
[INFO] [stdout] 930 |     fs::remove_dir_all(&env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_TEMPORARY).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:989:5
[INFO] [stdout]     |
[INFO] [stdout] 989 |     fs::create_dir(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:990:5
[INFO] [stdout]     |
[INFO] [stdout] 990 |     fs::create_dir(env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_LOGS).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:991:5
[INFO] [stdout]     |
[INFO] [stdout] 991 |     fs::create_dir(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:992:5
[INFO] [stdout]     |
[INFO] [stdout] 992 |     fs::create_dir(env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_TEMPORARY).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:1060:5
[INFO] [stdout]      |
[INFO] [stdout] 1060 |     fs::create_dir(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:1062:5
[INFO] [stdout]      |
[INFO] [stdout] 1062 |     fs::create_dir(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:1064:5
[INFO] [stdout]      |
[INFO] [stdout] 1064 |     fs::create_dir(env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_TOOLCHAIN_TEMPORARY).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:1065:5
[INFO] [stdout]      |
[INFO] [stdout] 1065 | /     fs::create_dir(
[INFO] [stdout] 1066 | |         env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_TOOLCHAIN_TEMPORARY_BUILDS).unwrap(),
[INFO] [stdout] 1067 | |     );
[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:1069:5
[INFO] [stdout]      |
[INFO] [stdout] 1069 | /     fs::create_dir(
[INFO] [stdout] 1070 | |         env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_TOOLCHAIN_TEMPORARY_SOURCES).unwrap(),
[INFO] [stdout] 1071 | |     );
[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:1083:5
[INFO] [stdout]      |
[INFO] [stdout] 1083 |     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:1084:5
[INFO] [stdout]      |
[INFO] [stdout] 1084 |     fs::create_dir(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:1102:5
[INFO] [stdout]      |
[INFO] [stdout] 1102 | /     fs::remove_dir_all(
[INFO] [stdout] 1103 | |         Path::new(x)
[INFO] [stdout] 1104 | |             .join(constants::RADULA_DIRECTORY_CROSS)
[INFO] [stdout] 1105 | |             .join(constants::RADULA_PATH_LIB64),
[INFO] [stdout] 1106 | |     );
[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:1107:5
[INFO] [stdout]      |
[INFO] [stdout] 1107 | /     fs::remove_dir_all(
[INFO] [stdout] 1108 | |         Path::new(x)
[INFO] [stdout] 1109 | |             .join(constants::RADULA_DIRECTORY_CROSS)
[INFO] [stdout] 1110 | |             .join(constants::RADULA_PATH_USR)
[INFO] [stdout] 1111 | |             .join(constants::RADULA_PATH_LIB64),
[INFO] [stdout] 1112 | |     );
[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:1113:5
[INFO] [stdout]      |
[INFO] [stdout] 1113 | /     fs::remove_dir_all(
[INFO] [stdout] 1114 | |         Path::new(x)
[INFO] [stdout] 1115 | |             .join(constants::RADULA_DIRECTORY_TOOLCHAIN)
[INFO] [stdout] 1116 | |             .join(constants::RADULA_PATH_LIB64),
[INFO] [stdout] 1117 | |     );
[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:1191:5
[INFO] [stdout]      |
[INFO] [stdout] 1191 | /     fs::remove_dir_all(
[INFO] [stdout] 1192 | |         Path::new(x)
[INFO] [stdout] 1193 | |             .join(constants::RADULA_DIRECTORY_TOOLCHAIN)
[INFO] [stdout] 1194 | |             .join(constants::RADULA_PATH_SHARE)
[INFO] [stdout] 1195 | |             .join(constants::RADULA_PATH_INFO),
[INFO] [stdout] 1196 | |     );
[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:1197:5
[INFO] [stdout]      |
[INFO] [stdout] 1197 | /     fs::remove_dir_all(
[INFO] [stdout] 1198 | |         Path::new(x)
[INFO] [stdout] 1199 | |             .join(constants::RADULA_DIRECTORY_TOOLCHAIN)
[INFO] [stdout] 1200 | |             .join(constants::RADULA_PATH_SHARE)
[INFO] [stdout] 1201 | |             .join(constants::RADULA_PATH_MAN),
[INFO] [stdout] 1202 | |     );
[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:1496:13
[INFO] [stdout]      |
[INFO] [stdout] 1496 |             fs::create_dir(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: 37 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 15.11s
[INFO] running `Command { std: "docker" "inspect" "aa7c28ef16f472d8e68c949845eab50269f74f30a13a18867e5f6c38363d81ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa7c28ef16f472d8e68c949845eab50269f74f30a13a18867e5f6c38363d81ac", kill_on_drop: false }`
[INFO] [stdout] aa7c28ef16f472d8e68c949845eab50269f74f30a13a18867e5f6c38363d81ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b8834c1f1a76eb41f61c0b28432bd67d101413154875de441e0088fd611663d1
[INFO] running `Command { std: "docker" "start" "-a" "b8834c1f1a76eb41f61c0b28432bd67d101413154875de441e0088fd611663d1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: constant is never used: `RADULA_TOOTH_BASH`
[INFO] [stderr]    --> src/constants.rs:471:1
[INFO] [stderr]     |
[INFO] [stderr] 471 | pub const RADULA_TOOTH_BASH: &'static str = "bash";
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `radula_behave_bootstrap_cross_strip`
[INFO] [stderr]    --> src/functions.rs:830:4
[INFO] [stderr]     |
[INFO] [stderr] 830 | fn radula_behave_bootstrap_cross_strip() {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/functions.rs:277:5
[INFO] [stderr]     |
[INFO] [stderr] 277 |     fs::remove_dir_all(&env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_CROSS).unwrap());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/functions.rs:279:5
[INFO] [stderr]     |
[INFO] [stderr] 279 |     fs::remove_dir_all(&env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_LOGS).unwrap());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/functions.rs:281:5
[INFO] [stderr]     |
[INFO] [stderr] 281 | /     fs::remove_dir_all(
[INFO] [stderr] 282 | |         &env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_TOOLCHAIN_TEMPORARY_BUILDS).unwrap(),
[INFO] [stderr] 283 | |     );
[INFO] [stderr]     | |______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/functions.rs:285:5
[INFO] [stderr]     |
[INFO] [stderr] 285 | /     fs::remove_dir_all(
[INFO] [stderr] 286 | |         &env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_CROSS_TEMPORARY_BUILDS).unwrap(),
[INFO] [stderr] 287 | |     );
[INFO] [stderr]     | |______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/functions.rs:289:5
[INFO] [stderr]     |
[INFO] [stderr] 289 |     fs::remove_dir_all(&env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_TOOLCHAIN).unwrap());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/functions.rs:558:5
[INFO] [stderr]     |
[INFO] [stderr] 558 |     fs::remove_file(x);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/functions.rs:691:5
[INFO] [stderr]     |
[INFO] [stderr] 691 |     fs::create_dir(w);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/functions.rs:701:5
[INFO] [stderr]     |
[INFO] [stderr] 701 |     fs::remove_dir_all(Path::new(w).join(constants::RADULA_PATH_LOST_FOUND));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/functions.rs:724:5
[INFO] [stderr]     |
[INFO] [stderr] 724 |     fs::create_dir(r);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/functions.rs:810:5
[INFO] [stderr]     |
[INFO] [stderr] 810 | /     fs::remove_dir_all(
[INFO] [stderr] 811 | |         &env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_CROSS_TEMPORARY_BUILDS).unwrap(),
[INFO] [stderr] 812 | |     );
[INFO] [stderr]     | |______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/functions.rs:813:5
[INFO] [stderr]     |
[INFO] [stderr] 813 | /     fs::create_dir(
[INFO] [stderr] 814 | |         env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_CROSS_TEMPORARY_BUILDS).unwrap(),
[INFO] [stderr] 815 | |     );
[INFO] [stderr]     | |______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/functions.rs:818:5
[INFO] [stderr]     |
[INFO] [stderr] 818 | /     fs::create_dir(
[INFO] [stderr] 819 | |         env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_CROSS_TEMPORARY_SOURCES).unwrap(),
[INFO] [stderr] 820 | |     );
[INFO] [stderr]     | |______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/functions.rs:823:5
[INFO] [stderr]     |
[INFO] [stderr] 823 |     fs::create_dir(env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_LOGS).unwrap());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/functions.rs:826:5
[INFO] [stderr]     |
[INFO] [stderr] 826 |     fs::remove_file(env::var(constants::RADULA_ENVIRONMENT_FILE_CROSS_LOG).unwrap());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/functions.rs:916:5
[INFO] [stderr]     |
[INFO] [stderr] 916 |     fs::remove_dir_all(&env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_BACKUPS).unwrap());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/functions.rs:918:5
[INFO] [stderr]     |
[INFO] [stderr] 918 | /     fs::remove_file(
[INFO] [stderr] 919 | |         Path::new(&env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_GLAUCUS).unwrap())
[INFO] [stderr] 920 | |             .join(constants::RADULA_FILE_GLAUCUS_IMAGE),
[INFO] [stderr] 921 | |     );
[INFO] [stderr]     | |______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/functions.rs:923:5
[INFO] [stderr]     |
[INFO] [stderr] 923 |     fs::remove_dir_all(&env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_SOURCES).unwrap());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/functions.rs:930:5
[INFO] [stderr]     |
[INFO] [stderr] 930 |     fs::remove_dir_all(&env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_TEMPORARY).unwrap());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/functions.rs:989:5
[INFO] [stderr]     |
[INFO] [stderr] 989 |     fs::create_dir(env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_BACKUPS).unwrap());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/functions.rs:990:5
[INFO] [stderr]     |
[INFO] [stderr] 990 |     fs::create_dir(env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_LOGS).unwrap());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/functions.rs:991:5
[INFO] [stderr]     |
[INFO] [stderr] 991 |     fs::create_dir(env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_SOURCES).unwrap());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/functions.rs:992:5
[INFO] [stderr]     |
[INFO] [stderr] 992 |     fs::create_dir(env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_TEMPORARY).unwrap());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> src/functions.rs:1060:5
[INFO] [stderr]      |
[INFO] [stderr] 1060 |     fs::create_dir(env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_CROSS).unwrap());
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> src/functions.rs:1062:5
[INFO] [stderr]      |
[INFO] [stderr] 1062 |     fs::create_dir(env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_TOOLCHAIN).unwrap());
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> src/functions.rs:1064:5
[INFO] [stderr]      |
[INFO] [stderr] 1064 |     fs::create_dir(env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_TOOLCHAIN_TEMPORARY).unwrap());
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> src/functions.rs:1065:5
[INFO] [stderr]      |
[INFO] [stderr] 1065 | /     fs::create_dir(
[INFO] [stderr] 1066 | |         env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_TOOLCHAIN_TEMPORARY_BUILDS).unwrap(),
[INFO] [stderr] 1067 | |     );
[INFO] [stderr]      | |______^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> src/functions.rs:1069:5
[INFO] [stderr]      |
[INFO] [stderr] 1069 | /     fs::create_dir(
[INFO] [stderr] 1070 | |         env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_TOOLCHAIN_TEMPORARY_SOURCES).unwrap(),
[INFO] [stderr] 1071 | |     );
[INFO] [stderr]      | |______^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> src/functions.rs:1083:5
[INFO] [stderr]      |
[INFO] [stderr] 1083 |     fs::remove_dir_all(x);
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> src/functions.rs:1084:5
[INFO] [stderr]      |
[INFO] [stderr] 1084 |     fs::create_dir(x);
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> src/functions.rs:1102:5
[INFO] [stderr]      |
[INFO] [stderr] 1102 | /     fs::remove_dir_all(
[INFO] [stderr] 1103 | |         Path::new(x)
[INFO] [stderr] 1104 | |             .join(constants::RADULA_DIRECTORY_CROSS)
[INFO] [stderr] 1105 | |             .join(constants::RADULA_PATH_LIB64),
[INFO] [stderr] 1106 | |     );
[INFO] [stderr]      | |______^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> src/functions.rs:1107:5
[INFO] [stderr]      |
[INFO] [stderr] 1107 | /     fs::remove_dir_all(
[INFO] [stderr] 1108 | |         Path::new(x)
[INFO] [stderr] 1109 | |             .join(constants::RADULA_DIRECTORY_CROSS)
[INFO] [stderr] 1110 | |             .join(constants::RADULA_PATH_USR)
[INFO] [stderr] 1111 | |             .join(constants::RADULA_PATH_LIB64),
[INFO] [stderr] 1112 | |     );
[INFO] [stderr]      | |______^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> src/functions.rs:1113:5
[INFO] [stderr]      |
[INFO] [stderr] 1113 | /     fs::remove_dir_all(
[INFO] [stderr] 1114 | |         Path::new(x)
[INFO] [stderr] 1115 | |             .join(constants::RADULA_DIRECTORY_TOOLCHAIN)
[INFO] [stderr] 1116 | |             .join(constants::RADULA_PATH_LIB64),
[INFO] [stderr] 1117 | |     );
[INFO] [stderr]      | |______^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> src/functions.rs:1191:5
[INFO] [stderr]      |
[INFO] [stderr] 1191 | /     fs::remove_dir_all(
[INFO] [stderr] 1192 | |         Path::new(x)
[INFO] [stderr] 1193 | |             .join(constants::RADULA_DIRECTORY_TOOLCHAIN)
[INFO] [stderr] 1194 | |             .join(constants::RADULA_PATH_SHARE)
[INFO] [stderr] 1195 | |             .join(constants::RADULA_PATH_INFO),
[INFO] [stderr] 1196 | |     );
[INFO] [stderr]      | |______^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> src/functions.rs:1197:5
[INFO] [stderr]      |
[INFO] [stderr] 1197 | /     fs::remove_dir_all(
[INFO] [stderr] 1198 | |         Path::new(x)
[INFO] [stderr] 1199 | |             .join(constants::RADULA_DIRECTORY_TOOLCHAIN)
[INFO] [stderr] 1200 | |             .join(constants::RADULA_PATH_SHARE)
[INFO] [stderr] 1201 | |             .join(constants::RADULA_PATH_MAN),
[INFO] [stderr] 1202 | |     );
[INFO] [stderr]      | |______^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]     --> src/functions.rs:1496:13
[INFO] [stderr]      |
[INFO] [stderr] 1496 |             fs::create_dir(z);
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `radula` (bin "radula" test) generated 37 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/radula-b7692c4f7a590df2)
[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" "b8834c1f1a76eb41f61c0b28432bd67d101413154875de441e0088fd611663d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8834c1f1a76eb41f61c0b28432bd67d101413154875de441e0088fd611663d1", kill_on_drop: false }`
[INFO] [stdout] b8834c1f1a76eb41f61c0b28432bd67d101413154875de441e0088fd611663d1