[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] 6478dc43cd4811254e3f02a4c526e7b950a9266c
[INFO] testing glaucuslinux/radula-rs against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fglaucuslinux%2Fradula-rs" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/glaucuslinux/radula-rs on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-5/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37a5af5e29a74c6a7520dc84b675df7fafea012f7e5cf023e18f0f20731d9fcc
[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" "37a5af5e29a74c6a7520dc84b675df7fafea012f7e5cf023e18f0f20731d9fcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37a5af5e29a74c6a7520dc84b675df7fafea012f7e5cf023e18f0f20731d9fcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37a5af5e29a74c6a7520dc84b675df7fafea012f7e5cf023e18f0f20731d9fcc", kill_on_drop: false }`
[INFO] [stdout] 37a5af5e29a74c6a7520dc84b675df7fafea012f7e5cf023e18f0f20731d9fcc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f693438a9daf8508fbdca250014960133579ee9442e2b3edd382ae112ea0bb9c
[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" "f693438a9daf8508fbdca250014960133579ee9442e2b3edd382ae112ea0bb9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling radula-rs v3.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `RADULA_PATH_ETC`
[INFO] [stdout]    --> src/constants.rs:304:1
[INFO] [stdout]     |
[INFO] [stdout] 304 | pub const RADULA_PATH_ETC: &'static str = "etc";
[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_PATH_LIB`
[INFO] [stdout]    --> src/constants.rs:306:1
[INFO] [stdout]     |
[INFO] [stdout] 306 | pub const RADULA_PATH_LIB: &'static str = "lib";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RADULA_PATH_USR`
[INFO] [stdout]    --> src/constants.rs:315:1
[INFO] [stdout]     |
[INFO] [stdout] 315 | pub const RADULA_PATH_USR: &'static str = "usr";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RADULA_TOOTH_BASH`
[INFO] [stdout]    --> src/constants.rs:327:1
[INFO] [stdout]     |
[INFO] [stdout] 327 | pub const RADULA_TOOTH_BASH: &'static str = "bash";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RADULA_TOOTH_FIND`
[INFO] [stdout]    --> src/constants.rs:344:1
[INFO] [stdout]     |
[INFO] [stdout] 344 | pub const RADULA_TOOTH_FIND: &'static str = "find";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RADULA_TOOTH_REFLEX`
[INFO] [stdout]    --> src/constants.rs:374:1
[INFO] [stdout]     |
[INFO] [stdout] 374 | pub const RADULA_TOOTH_REFLEX: &'static str = "reflex";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `radula_behave_bootstrap_cross_strip`
[INFO] [stdout]    --> src/functions.rs:502:4
[INFO] [stdout]     |
[INFO] [stdout] 502 | 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:222:5
[INFO] [stdout]     |
[INFO] [stdout] 222 |     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:224:5
[INFO] [stdout]     |
[INFO] [stdout] 224 |     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:226:5
[INFO] [stdout]     |
[INFO] [stdout] 226 | /     fs::remove_dir_all(
[INFO] [stdout] 227 | |         &env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_TOOLCHAIN_TEMPORARY_BUILDS).unwrap(),
[INFO] [stdout] 228 | |     );
[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:230:5
[INFO] [stdout]     |
[INFO] [stdout] 230 | /     fs::remove_dir_all(
[INFO] [stdout] 231 | |         &env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_CROSS_TEMPORARY_BUILDS).unwrap(),
[INFO] [stdout] 232 | |     );
[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:234:5
[INFO] [stdout]     |
[INFO] [stdout] 234 |     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:483:5
[INFO] [stdout]     |
[INFO] [stdout] 483 | /     fs::remove_dir_all(
[INFO] [stdout] 484 | |         &env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_CROSS_TEMPORARY_BUILDS).unwrap(),
[INFO] [stdout] 485 | |     );
[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:486:5
[INFO] [stdout]     |
[INFO] [stdout] 486 | /     fs::create_dir(
[INFO] [stdout] 487 | |         env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_CROSS_TEMPORARY_BUILDS).unwrap(),
[INFO] [stdout] 488 | |     );
[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:491:5
[INFO] [stdout]     |
[INFO] [stdout] 491 | /     fs::create_dir(
[INFO] [stdout] 492 | |         env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_CROSS_TEMPORARY_SOURCES).unwrap(),
[INFO] [stdout] 493 | |     );
[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:496:5
[INFO] [stdout]     |
[INFO] [stdout] 496 |     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:499:5
[INFO] [stdout]     |
[INFO] [stdout] 499 |     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:579:5
[INFO] [stdout]     |
[INFO] [stdout] 579 |     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:581:5
[INFO] [stdout]     |
[INFO] [stdout] 581 | /     fs::remove_file(
[INFO] [stdout] 582 | |         Path::new(&env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_GLAUCUS).unwrap())
[INFO] [stdout] 583 | |             .join(constants::RADULA_FILE_GLAUCUS_IMAGE),
[INFO] [stdout] 584 | |     );
[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:586:5
[INFO] [stdout]     |
[INFO] [stdout] 586 |     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:593:5
[INFO] [stdout]     |
[INFO] [stdout] 593 |     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:652:5
[INFO] [stdout]     |
[INFO] [stdout] 652 |     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:653:5
[INFO] [stdout]     |
[INFO] [stdout] 653 |     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:654:5
[INFO] [stdout]     |
[INFO] [stdout] 654 |     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:655:5
[INFO] [stdout]     |
[INFO] [stdout] 655 |     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:729:5
[INFO] [stdout]     |
[INFO] [stdout] 729 |     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:731:5
[INFO] [stdout]     |
[INFO] [stdout] 731 |     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:733:5
[INFO] [stdout]     |
[INFO] [stdout] 733 |     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:734:5
[INFO] [stdout]     |
[INFO] [stdout] 734 | /     fs::create_dir(
[INFO] [stdout] 735 | |         env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_TOOLCHAIN_TEMPORARY_BUILDS).unwrap(),
[INFO] [stdout] 736 | |     );
[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:738:5
[INFO] [stdout]     |
[INFO] [stdout] 738 | /     fs::create_dir(
[INFO] [stdout] 739 | |         env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_TOOLCHAIN_TEMPORARY_SOURCES).unwrap(),
[INFO] [stdout] 740 | |     );
[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:987:13
[INFO] [stdout]     |
[INFO] [stdout] 987 |             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: 31 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `Command { std: "docker" "inspect" "f693438a9daf8508fbdca250014960133579ee9442e2b3edd382ae112ea0bb9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f693438a9daf8508fbdca250014960133579ee9442e2b3edd382ae112ea0bb9c", kill_on_drop: false }`
[INFO] [stdout] f693438a9daf8508fbdca250014960133579ee9442e2b3edd382ae112ea0bb9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f753571a0cd6f1e6febfd7bdceadf57a8bb99c7a3dfcdbfddee68743b896f98d
[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" "f753571a0cd6f1e6febfd7bdceadf57a8bb99c7a3dfcdbfddee68743b896f98d", kill_on_drop: false }`
[INFO] [stderr]    Compiling radula-rs v3.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `RADULA_PATH_ETC`
[INFO] [stdout]    --> src/constants.rs:304:1
[INFO] [stdout]     |
[INFO] [stdout] 304 | pub const RADULA_PATH_ETC: &'static str = "etc";
[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_PATH_LIB`
[INFO] [stdout]    --> src/constants.rs:306:1
[INFO] [stdout]     |
[INFO] [stdout] 306 | pub const RADULA_PATH_LIB: &'static str = "lib";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RADULA_PATH_USR`
[INFO] [stdout]    --> src/constants.rs:315:1
[INFO] [stdout]     |
[INFO] [stdout] 315 | pub const RADULA_PATH_USR: &'static str = "usr";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RADULA_TOOTH_BASH`
[INFO] [stdout]    --> src/constants.rs:327:1
[INFO] [stdout]     |
[INFO] [stdout] 327 | pub const RADULA_TOOTH_BASH: &'static str = "bash";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RADULA_TOOTH_FIND`
[INFO] [stdout]    --> src/constants.rs:344:1
[INFO] [stdout]     |
[INFO] [stdout] 344 | pub const RADULA_TOOTH_FIND: &'static str = "find";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RADULA_TOOTH_REFLEX`
[INFO] [stdout]    --> src/constants.rs:374:1
[INFO] [stdout]     |
[INFO] [stdout] 374 | pub const RADULA_TOOTH_REFLEX: &'static str = "reflex";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `radula_behave_bootstrap_cross_strip`
[INFO] [stdout]    --> src/functions.rs:502:4
[INFO] [stdout]     |
[INFO] [stdout] 502 | 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:222:5
[INFO] [stdout]     |
[INFO] [stdout] 222 |     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:224:5
[INFO] [stdout]     |
[INFO] [stdout] 224 |     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:226:5
[INFO] [stdout]     |
[INFO] [stdout] 226 | /     fs::remove_dir_all(
[INFO] [stdout] 227 | |         &env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_TOOLCHAIN_TEMPORARY_BUILDS).unwrap(),
[INFO] [stdout] 228 | |     );
[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:230:5
[INFO] [stdout]     |
[INFO] [stdout] 230 | /     fs::remove_dir_all(
[INFO] [stdout] 231 | |         &env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_CROSS_TEMPORARY_BUILDS).unwrap(),
[INFO] [stdout] 232 | |     );
[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:234:5
[INFO] [stdout]     |
[INFO] [stdout] 234 |     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:483:5
[INFO] [stdout]     |
[INFO] [stdout] 483 | /     fs::remove_dir_all(
[INFO] [stdout] 484 | |         &env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_CROSS_TEMPORARY_BUILDS).unwrap(),
[INFO] [stdout] 485 | |     );
[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:486:5
[INFO] [stdout]     |
[INFO] [stdout] 486 | /     fs::create_dir(
[INFO] [stdout] 487 | |         env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_CROSS_TEMPORARY_BUILDS).unwrap(),
[INFO] [stdout] 488 | |     );
[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:491:5
[INFO] [stdout]     |
[INFO] [stdout] 491 | /     fs::create_dir(
[INFO] [stdout] 492 | |         env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_CROSS_TEMPORARY_SOURCES).unwrap(),
[INFO] [stdout] 493 | |     );
[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:496:5
[INFO] [stdout]     |
[INFO] [stdout] 496 |     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:499:5
[INFO] [stdout]     |
[INFO] [stdout] 499 |     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:579:5
[INFO] [stdout]     |
[INFO] [stdout] 579 |     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:581:5
[INFO] [stdout]     |
[INFO] [stdout] 581 | /     fs::remove_file(
[INFO] [stdout] 582 | |         Path::new(&env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_GLAUCUS).unwrap())
[INFO] [stdout] 583 | |             .join(constants::RADULA_FILE_GLAUCUS_IMAGE),
[INFO] [stdout] 584 | |     );
[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:586:5
[INFO] [stdout]     |
[INFO] [stdout] 586 |     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:593:5
[INFO] [stdout]     |
[INFO] [stdout] 593 |     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:652:5
[INFO] [stdout]     |
[INFO] [stdout] 652 |     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:653:5
[INFO] [stdout]     |
[INFO] [stdout] 653 |     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:654:5
[INFO] [stdout]     |
[INFO] [stdout] 654 |     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:655:5
[INFO] [stdout]     |
[INFO] [stdout] 655 |     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:729:5
[INFO] [stdout]     |
[INFO] [stdout] 729 |     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:731:5
[INFO] [stdout]     |
[INFO] [stdout] 731 |     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:733:5
[INFO] [stdout]     |
[INFO] [stdout] 733 |     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:734:5
[INFO] [stdout]     |
[INFO] [stdout] 734 | /     fs::create_dir(
[INFO] [stdout] 735 | |         env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_TOOLCHAIN_TEMPORARY_BUILDS).unwrap(),
[INFO] [stdout] 736 | |     );
[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:738:5
[INFO] [stdout]     |
[INFO] [stdout] 738 | /     fs::create_dir(
[INFO] [stdout] 739 | |         env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_TOOLCHAIN_TEMPORARY_SOURCES).unwrap(),
[INFO] [stdout] 740 | |     );
[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:987:13
[INFO] [stdout]     |
[INFO] [stdout] 987 |             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: 31 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "f753571a0cd6f1e6febfd7bdceadf57a8bb99c7a3dfcdbfddee68743b896f98d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f753571a0cd6f1e6febfd7bdceadf57a8bb99c7a3dfcdbfddee68743b896f98d", kill_on_drop: false }`
[INFO] [stdout] f753571a0cd6f1e6febfd7bdceadf57a8bb99c7a3dfcdbfddee68743b896f98d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bbdec4be89f876b4eef5d6e45edff52a87415aede88b53613ab8a72821630971
[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" "bbdec4be89f876b4eef5d6e45edff52a87415aede88b53613ab8a72821630971", kill_on_drop: false }`
[INFO] [stderr] warning: constant is never used: `RADULA_PATH_ETC`
[INFO] [stderr]    --> src/constants.rs:304:1
[INFO] [stderr]     |
[INFO] [stderr] 304 | pub const RADULA_PATH_ETC: &'static str = "etc";
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `RADULA_PATH_LIB`
[INFO] [stderr]    --> src/constants.rs:306:1
[INFO] [stderr]     |
[INFO] [stderr] 306 | pub const RADULA_PATH_LIB: &'static str = "lib";
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `RADULA_PATH_USR`
[INFO] [stderr]    --> src/constants.rs:315:1
[INFO] [stderr]     |
[INFO] [stderr] 315 | pub const RADULA_PATH_USR: &'static str = "usr";
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `RADULA_TOOTH_BASH`
[INFO] [stderr]    --> src/constants.rs:327:1
[INFO] [stderr]     |
[INFO] [stderr] 327 | pub const RADULA_TOOTH_BASH: &'static str = "bash";
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `RADULA_TOOTH_FIND`
[INFO] [stderr]    --> src/constants.rs:344:1
[INFO] [stderr]     |
[INFO] [stderr] 344 | pub const RADULA_TOOTH_FIND: &'static str = "find";
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `RADULA_TOOTH_REFLEX`
[INFO] [stderr]    --> src/constants.rs:374:1
[INFO] [stderr]     |
[INFO] [stderr] 374 | pub const RADULA_TOOTH_REFLEX: &'static str = "reflex";
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `radula_behave_bootstrap_cross_strip`
[INFO] [stderr]    --> src/functions.rs:502:4
[INFO] [stderr]     |
[INFO] [stderr] 502 | fn radula_behave_bootstrap_cross_strip() {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/functions.rs:222:5
[INFO] [stderr]     |
[INFO] [stderr] 222 |     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:224:5
[INFO] [stderr]     |
[INFO] [stderr] 224 |     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:226:5
[INFO] [stderr]     |
[INFO] [stderr] 226 | /     fs::remove_dir_all(
[INFO] [stderr] 227 | |         &env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_TOOLCHAIN_TEMPORARY_BUILDS).unwrap(),
[INFO] [stderr] 228 | |     );
[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:230:5
[INFO] [stderr]     |
[INFO] [stderr] 230 | /     fs::remove_dir_all(
[INFO] [stderr] 231 | |         &env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_CROSS_TEMPORARY_BUILDS).unwrap(),
[INFO] [stderr] 232 | |     );
[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:234:5
[INFO] [stderr]     |
[INFO] [stderr] 234 |     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:483:5
[INFO] [stderr]     |
[INFO] [stderr] 483 | /     fs::remove_dir_all(
[INFO] [stderr] 484 | |         &env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_CROSS_TEMPORARY_BUILDS).unwrap(),
[INFO] [stderr] 485 | |     );
[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:486:5
[INFO] [stderr]     |
[INFO] [stderr] 486 | /     fs::create_dir(
[INFO] [stderr] 487 | |         env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_CROSS_TEMPORARY_BUILDS).unwrap(),
[INFO] [stderr] 488 | |     );
[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:491:5
[INFO] [stderr]     |
[INFO] [stderr] 491 | /     fs::create_dir(
[INFO] [stderr] 492 | |         env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_CROSS_TEMPORARY_SOURCES).unwrap(),
[INFO] [stderr] 493 | |     );
[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:496:5
[INFO] [stderr]     |
[INFO] [stderr] 496 |     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:499:5
[INFO] [stderr]     |
[INFO] [stderr] 499 |     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:579:5
[INFO] [stderr]     |
[INFO] [stderr] 579 |     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:581:5
[INFO] [stderr]     |
[INFO] [stderr] 581 | /     fs::remove_file(
[INFO] [stderr] 582 | |         Path::new(&env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_GLAUCUS).unwrap())
[INFO] [stderr] 583 | |             .join(constants::RADULA_FILE_GLAUCUS_IMAGE),
[INFO] [stderr] 584 | |     );
[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:586:5
[INFO] [stderr]     |
[INFO] [stderr] 586 |     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:593:5
[INFO] [stderr]     |
[INFO] [stderr] 593 |     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:652:5
[INFO] [stderr]     |
[INFO] [stderr] 652 |     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:653:5
[INFO] [stderr]     |
[INFO] [stderr] 653 |     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:654:5
[INFO] [stderr]     |
[INFO] [stderr] 654 |     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:655:5
[INFO] [stderr]     |
[INFO] [stderr] 655 |     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:729:5
[INFO] [stderr]     |
[INFO] [stderr] 729 |     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:731:5
[INFO] [stderr]     |
[INFO] [stderr] 731 |     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:733:5
[INFO] [stderr]     |
[INFO] [stderr] 733 |     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:734:5
[INFO] [stderr]     |
[INFO] [stderr] 734 | /     fs::create_dir(
[INFO] [stderr] 735 | |         env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_TOOLCHAIN_TEMPORARY_BUILDS).unwrap(),
[INFO] [stderr] 736 | |     );
[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:738:5
[INFO] [stderr]     |
[INFO] [stderr] 738 | /     fs::create_dir(
[INFO] [stderr] 739 | |         env::var(constants::RADULA_ENVIRONMENT_DIRECTORY_TOOLCHAIN_TEMPORARY_SOURCES).unwrap(),
[INFO] [stderr] 740 | |     );
[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:987:13
[INFO] [stderr]     |
[INFO] [stderr] 987 |             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-rs` (bin "radula-rs" test) generated 31 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/radula_rs-ef3259279424e672)
[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" "bbdec4be89f876b4eef5d6e45edff52a87415aede88b53613ab8a72821630971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbdec4be89f876b4eef5d6e45edff52a87415aede88b53613ab8a72821630971", kill_on_drop: false }`
[INFO] [stdout] bbdec4be89f876b4eef5d6e45edff52a87415aede88b53613ab8a72821630971