[INFO] cloning repository https://github.com/codeTIT4N/rust-practice-programs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codeTIT4N/rust-practice-programs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FcodeTIT4N%2Frust-practice-programs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FcodeTIT4N%2Frust-practice-programs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c42dd98becc5f31a6e1fbe0ba200f1c464dbdb24
[INFO] building codeTIT4N/rust-practice-programs against master#222c5724ecc922fe67815f428c19f82c129d9386 for pr-97334
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FcodeTIT4N%2Frust-practice-programs" "/workspace/builds/worker-32/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-32/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/codeTIT4N/rust-practice-programs on toolchain 222c5724ecc922fe67815f428c19f82c129d9386
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/codeTIT4N/rust-practice-programs
[INFO] finished tweaking git repo https://github.com/codeTIT4N/rust-practice-programs
[INFO] tweaked toml for git repo https://github.com/codeTIT4N/rust-practice-programs written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] crate git repo https://github.com/codeTIT4N/rust-practice-programs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt v0.3.26
[INFO] [stderr]   Downloaded structopt-derive v0.4.18
[INFO] [stderr]   Downloaded libc v0.2.114
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[INFO] running `Command { std: "docker" "inspect" "e25aa2c1d081c6b17b10822c1b2adb6979d348e6a5f388d1350cf5caa17771a7", kill_on_drop: false }`
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[INFO] [stdout] e25aa2c1d081c6b17b10822c1b2adb6979d348e6a5f388d1350cf5caa17771a7
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[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.114
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling activities v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `user_id`
[INFO] [stdout]   --> src/bin/a21.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     user_id: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/bin/a21.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/bin/a21.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/bin/a21.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part_1`
[INFO] [stdout]   --> src/bin/a23.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn part_1() -> bool {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part_2`
[INFO] [stdout]   --> src/bin/a23.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn part_2() -> Option<Access> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part_3`
[INFO] [stdout]   --> src/bin/a23.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn part_3() -> Access {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Admin`
[INFO] [stdout]   --> src/bin/a23.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     Admin,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Access` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/bin/a23.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[derive(Debug, Eq, PartialEq)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `User`
[INFO] [stdout]   --> src/bin/a23.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     User,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Access` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/bin/a23.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[derive(Debug, Eq, PartialEq)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Guest`
[INFO] [stdout]   --> src/bin/a23.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Guest,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Access` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/bin/a23.rs:32:10
[INFO] [stdout]    |
[INFO] [stdout] 32 | #[derive(Debug, Eq, PartialEq)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `maybe_access`
[INFO] [stdout]   --> src/bin/a23.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn maybe_access(name: &str) -> Option<Access> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `root`
[INFO] [stdout]   --> src/bin/a23.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn root() -> Option<Access> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `clamp`
[INFO] [stdout]   --> src/bin/a22.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn clamp(n: i32, lower: i32, upper: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `div`
[INFO] [stdout]   --> src/bin/a22.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn div(a: i32, b: i32) -> Option<i32> {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `concat`
[INFO] [stdout]   --> src/bin/a22.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn concat(first: &str, second: &str) -> String {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/bin/a9.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let (x, y) = get_data();
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Black`
[INFO] [stdout]   --> src/bin/a28.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Black,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/bin/a28.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Brown`
[INFO] [stdout]   --> src/bin/a28.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Brown,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/bin/a28.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Custom`
[INFO] [stdout]   --> src/bin/a28.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Custom(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/bin/a28.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Green`
[INFO] [stdout]   --> src/bin/a28.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Green,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/bin/a28.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Purple`
[INFO] [stdout]   --> src/bin/a28.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Purple,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/bin/a28.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Red`
[INFO] [stdout]   --> src/bin/a28.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Red,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/bin/a28.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Yellow`
[INFO] [stdout]   --> src/bin/a28.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Yellow,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/bin/a28.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attempt`
[INFO] [stdout]   --> src/bin/a18b.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let attempt = building_access(emp)?;
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attempt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MaintenanceCrew`
[INFO] [stdout]   --> src/bin/a18b.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     MaintenanceCrew,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MartketingDept`
[INFO] [stdout]   --> src/bin/a18b.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     MartketingDept,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LineSupervisor`
[INFO] [stdout]   --> src/bin/a18b.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     LineSupervisor,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `KitchenStaff`
[INFO] [stdout]   --> src/bin/a18b.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     KitchenStaff,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AssemblyTechnician`
[INFO] [stdout]   --> src/bin/a18b.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     AssemblyTechnician,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Terminated`
[INFO] [stdout]   --> src/bin/a18b.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Terminated,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.96s
[INFO] running `Command { std: "docker" "inspect" "a8cceea930dc1c85d45c3f2aa9c4ace90773be13eb27664d6d2dfaca16e0fa7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8cceea930dc1c85d45c3f2aa9c4ace90773be13eb27664d6d2dfaca16e0fa7f", kill_on_drop: false }`
[INFO] [stdout] a8cceea930dc1c85d45c3f2aa9c4ace90773be13eb27664d6d2dfaca16e0fa7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e13117db0016d02362bbbb7af635abcd1c819bccb51871a2dfa6723848f77e3c
[INFO] running `Command { std: "docker" "start" "-a" "e13117db0016d02362bbbb7af635abcd1c819bccb51871a2dfa6723848f77e3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling activities v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/bin/a9.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let (x, y) = get_data();
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Black`
[INFO] [stdout]   --> src/bin/a28.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Black,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/bin/a28.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Brown`
[INFO] [stdout]   --> src/bin/a28.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Brown,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/bin/a28.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Custom`
[INFO] [stdout]   --> src/bin/a28.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Custom(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/bin/a28.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Green`
[INFO] [stdout]   --> src/bin/a28.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Green,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/bin/a28.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Purple`
[INFO] [stdout]   --> src/bin/a28.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Purple,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/bin/a28.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Red`
[INFO] [stdout]   --> src/bin/a28.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Red,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/bin/a28.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Yellow`
[INFO] [stdout]   --> src/bin/a28.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     Yellow,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/bin/a28.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attempt`
[INFO] [stdout]   --> src/bin/a18b.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let attempt = building_access(emp)?;
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attempt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `user_id`
[INFO] [stdout]   --> src/bin/a21.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     user_id: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/bin/a21.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]   --> src/bin/a21.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/bin/a21.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MaintenanceCrew`
[INFO] [stdout]   --> src/bin/a18b.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     MaintenanceCrew,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MartketingDept`
[INFO] [stdout]   --> src/bin/a18b.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     MartketingDept,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LineSupervisor`
[INFO] [stdout]   --> src/bin/a18b.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     LineSupervisor,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `KitchenStaff`
[INFO] [stdout]   --> src/bin/a18b.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     KitchenStaff,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AssemblyTechnician`
[INFO] [stdout]   --> src/bin/a18b.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     AssemblyTechnician,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Terminated`
[INFO] [stdout]   --> src/bin/a18b.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     Terminated,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] [stderr]   Executable unittests src/bin/a1.rs (/opt/rustwide/target/debug/deps/a1-611844d945655c3d)
[INFO] [stderr]   Executable unittests src/bin/a10.rs (/opt/rustwide/target/debug/deps/a10-7dd8ef9809a8a785)
[INFO] [stderr]   Executable unittests src/bin/a11.rs (/opt/rustwide/target/debug/deps/a11-c189befb211376ec)
[INFO] [stderr]   Executable unittests src/bin/a12.rs (/opt/rustwide/target/debug/deps/a12-513dd43aa43e5c2f)
[INFO] [stderr]   Executable unittests src/bin/a13.rs (/opt/rustwide/target/debug/deps/a13-d0a3b7288b6a7e05)
[INFO] [stderr]   Executable unittests src/bin/a14.rs (/opt/rustwide/target/debug/deps/a14-11875247d968a8f5)
[INFO] [stderr]   Executable unittests src/bin/a15.rs (/opt/rustwide/target/debug/deps/a15-ad816bbfc7baf40c)
[INFO] [stderr]   Executable unittests src/bin/a16.rs (/opt/rustwide/target/debug/deps/a16-5bb21c48e44754bd)
[INFO] [stderr]   Executable unittests src/bin/a17.rs (/opt/rustwide/target/debug/deps/a17-1c9361480db110dd)
[INFO] [stderr]   Executable unittests src/bin/a18.rs (/opt/rustwide/target/debug/deps/a18-d5be02167d712aa4)
[INFO] [stderr]   Executable unittests src/bin/a18b.rs (/opt/rustwide/target/debug/deps/a18b-5c2e201af18d2f18)
[INFO] [stderr]   Executable unittests src/bin/a19.rs (/opt/rustwide/target/debug/deps/a19-d0a0a0cdb052b6d4)
[INFO] [stderr]   Executable unittests src/bin/a2.rs (/opt/rustwide/target/debug/deps/a2-9064821b46500039)
[INFO] [stderr]   Executable unittests src/bin/a20.rs (/opt/rustwide/target/debug/deps/a20-da7d92487f949129)
[INFO] [stderr]   Executable unittests src/bin/a21.rs (/opt/rustwide/target/debug/deps/a21-2cbc82ae7ebe1669)
[INFO] [stderr]   Executable unittests src/bin/a22.rs (/opt/rustwide/target/debug/deps/a22-602cd5edabfe2257)
[INFO] [stderr]   Executable unittests src/bin/a23.rs (/opt/rustwide/target/debug/deps/a23-7016ef7f64c09118)
[INFO] [stderr]   Executable unittests src/bin/a24.rs (/opt/rustwide/target/debug/deps/a24-5944cce2fa0f3998)
[INFO] [stderr]   Executable unittests src/bin/a25.rs (/opt/rustwide/target/debug/deps/a25-d493ca009b70ec6f)
[INFO] [stderr]   Executable unittests src/bin/a26.rs (/opt/rustwide/target/debug/deps/a26-a40963e8c8b52714)
[INFO] [stderr]   Executable unittests src/bin/a27.rs (/opt/rustwide/target/debug/deps/a27-49d725649bc83a4c)
[INFO] [stderr]   Executable unittests src/bin/a28.rs (/opt/rustwide/target/debug/deps/a28-4632100c6252d02b)
[INFO] [stderr]   Executable unittests src/bin/a3a.rs (/opt/rustwide/target/debug/deps/a3a-e6521a452a336bbc)
[INFO] [stderr]   Executable unittests src/bin/a3b.rs (/opt/rustwide/target/debug/deps/a3b-8269701c2923d055)
[INFO] [stderr]   Executable unittests src/bin/a4a.rs (/opt/rustwide/target/debug/deps/a4a-ee71fa1e4762bae6)
[INFO] [stderr]   Executable unittests src/bin/a4b.rs (/opt/rustwide/target/debug/deps/a4b-55522a4344361dca)
[INFO] [stderr]   Executable unittests src/bin/a5.rs (/opt/rustwide/target/debug/deps/a5-159f90acead56b88)
[INFO] [stderr]   Executable unittests src/bin/a6.rs (/opt/rustwide/target/debug/deps/a6-c380f42b148f1cbf)
[INFO] [stderr]   Executable unittests src/bin/a7.rs (/opt/rustwide/target/debug/deps/a7-cc6088f0ee3f0471)
[INFO] [stderr]   Executable unittests src/bin/a8.rs (/opt/rustwide/target/debug/deps/a8-84669aad1fcc904d)
[INFO] [stderr]   Executable unittests src/bin/a9.rs (/opt/rustwide/target/debug/deps/a9-c25869ad8df50034)
[INFO] [stderr]   Executable unittests src/bin/p1.rs (/opt/rustwide/target/debug/deps/p1-42c48f9e1a815154)
[INFO] [stderr]   Executable unittests src/bin/p1-example.rs (/opt/rustwide/target/debug/deps/p1_example-c0dc1b994745fb59)
[INFO] [stderr]   Executable unittests src/bin/p2.rs (/opt/rustwide/target/debug/deps/p2-5217607726a4069c)
[INFO] [stderr]   Executable unittests src/bin/p2-example.rs (/opt/rustwide/target/debug/deps/p2_example-24b764018faacf67)
[INFO] running `Command { std: "docker" "inspect" "e13117db0016d02362bbbb7af635abcd1c819bccb51871a2dfa6723848f77e3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e13117db0016d02362bbbb7af635abcd1c819bccb51871a2dfa6723848f77e3c", kill_on_drop: false }`
[INFO] [stdout] e13117db0016d02362bbbb7af635abcd1c819bccb51871a2dfa6723848f77e3c