[INFO] cloning repository https://github.com/caiotavares/emv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/caiotavares/emv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaiotavares%2Femv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaiotavares%2Femv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 711a18fdd4e43b679e257f1843fe3999aab37319
[INFO] checking caiotavares/emv against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaiotavares%2Femv" "/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/caiotavares/emv on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/caiotavares/emv
[INFO] finished tweaking git repo https://github.com/caiotavares/emv
[INFO] tweaked toml for git repo https://github.com/caiotavares/emv written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/caiotavares/emv already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09addff755b0d61dab0bec4dad78905c7a11888aedc8d97af5efdad344ebffd0
[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" "09addff755b0d61dab0bec4dad78905c7a11888aedc8d97af5efdad344ebffd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09addff755b0d61dab0bec4dad78905c7a11888aedc8d97af5efdad344ebffd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09addff755b0d61dab0bec4dad78905c7a11888aedc8d97af5efdad344ebffd0", kill_on_drop: false }`
[INFO] [stdout] 09addff755b0d61dab0bec4dad78905c7a11888aedc8d97af5efdad344ebffd0
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83e71efb1fca3bba6f586c4743ba593b405d763553d6695d586a19adb984100f
[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" "83e71efb1fca3bba6f586c4743ba593b405d763553d6695d586a19adb984100f", kill_on_drop: false }`
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]    Compiling pcsc-sys v1.2.0
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]     Checking tui v0.12.0
[INFO] [stderr]     Checking pcsc v2.4.0
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking emv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/capdu.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(cla: u8, ins: u8, p1: u8, p2: u8) -> APDU1 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/capdu.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn new(cla: u8, ins: u8, p1: u8, p2: u8, lc: u8, data: Vec<u8>, le: u8) -> APDU4 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `reset_pin_try_counter`
[INFO] [stdout]   --> src/capdu.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub fn reset_pin_try_counter(mac: Vec<u8>) -> APDU3 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BANNER`
[INFO] [stdout]  --> src/banner.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / pub const BANNER: &str = "
[INFO] [stdout] 2 | |    ______  ____   __
[INFO] [stdout] 3 | |   / __/  |/  / | / /
[INFO] [stdout] 4 | |  / _// /|_/ /| |/ /
[INFO] [stdout] 5 | | /___/_/  /_/ |___/
[INFO] [stdout] 6 | | ";
[INFO] [stdout]   | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     connection::transmit(card, apdu)
[INFO] [stdout] 19 | |         .map(|response| {
[INFO] [stdout] 20 | |             println!("R-APDU: {:02X?}", response);
[INFO] [stdout] 21 | |             if let RAPDU { status: Status::ResponseAvailable { length }, .. } = response {
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |             }
[INFO] [stdout] 27 | |         });
[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 `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | /     connection::transmit(card, apdu)
[INFO] [stdout] 34 | |         .map(|response| {
[INFO] [stdout] 35 | |             println!("R-APDU: {:02X?}", response);
[INFO] [stdout] 36 | |             println!("TLV: {:02X?}", TLV::decode(response.data));
[INFO] [stdout] 37 | |         });
[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 `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | /     connection::transmit(card, apdu)
[INFO] [stdout] 44 | |         .map(|response| {
[INFO] [stdout] 45 | |             if let RAPDU { status: Status::WrongLength { length }, .. } = response {
[INFO] [stdout] 46 | |                 connection::transmit(card, capdu::read_record(record, sfi, length))
[INFO] [stdout] ...  |
[INFO] [stdout] 50 | |             }
[INFO] [stdout] 51 | |         });
[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 `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 | /                 connection::transmit(card, capdu::read_record(record, sfi, length))
[INFO] [stdout] 47 | |                     .map(|rapdu| {
[INFO] [stdout] 48 | |                         println!("R-APDU: {:02X?}", TLV::decode(rapdu.data));
[INFO] [stdout] 49 | |                     });
[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 `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | /     connection::transmit(card, apdu)
[INFO] [stdout] 58 | |         .map(|rapdu| {
[INFO] [stdout] 59 | |             println!("R-APDU: {:02X?}", TLV::decode(rapdu.data));
[INFO] [stdout] 60 | |         });
[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 `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 | /     connection::transmit(card, apdu)
[INFO] [stdout] 67 | |         .map(|response| {
[INFO] [stdout] 68 | |             println!("R-APDU: {:02X?}", response);
[INFO] [stdout] 69 | |             if let RAPDU { status: Status::ResponseAvailable { length }, .. } = response {
[INFO] [stdout] ...  |
[INFO] [stdout] 74 | |             }
[INFO] [stdout] 75 | |         });
[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 `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | /     connection::transmit(card, apdu)
[INFO] [stdout] 82 | |         .map(|response| {
[INFO] [stdout] 83 | |             println!("R-APDU: {:02X?}", response);
[INFO] [stdout] 84 | |             if let RAPDU { status: Status::ResponseAvailable { length }, .. } = response {
[INFO] [stdout] ...  |
[INFO] [stdout] 89 | |             }
[INFO] [stdout] 90 | |         });
[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: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/capdu.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(cla: u8, ins: u8, p1: u8, p2: u8) -> APDU1 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/capdu.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn new(cla: u8, ins: u8, p1: u8, p2: u8, lc: u8, data: Vec<u8>, le: u8) -> APDU4 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `reset_pin_try_counter`
[INFO] [stdout]   --> src/capdu.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub fn reset_pin_try_counter(mac: Vec<u8>) -> APDU3 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BANNER`
[INFO] [stdout]  --> src/banner.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / pub const BANNER: &str = "
[INFO] [stdout] 2 | |    ______  ____   __
[INFO] [stdout] 3 | |   / __/  |/  / | / /
[INFO] [stdout] 4 | |  / _// /|_/ /| |/ /
[INFO] [stdout] 5 | | /___/_/  /_/ |___/
[INFO] [stdout] 6 | | ";
[INFO] [stdout]   | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | /     connection::transmit(card, apdu)
[INFO] [stdout] 19 | |         .map(|response| {
[INFO] [stdout] 20 | |             println!("R-APDU: {:02X?}", response);
[INFO] [stdout] 21 | |             if let RAPDU { status: Status::ResponseAvailable { length }, .. } = response {
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |             }
[INFO] [stdout] 27 | |         });
[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 `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | /     connection::transmit(card, apdu)
[INFO] [stdout] 34 | |         .map(|response| {
[INFO] [stdout] 35 | |             println!("R-APDU: {:02X?}", response);
[INFO] [stdout] 36 | |             println!("TLV: {:02X?}", TLV::decode(response.data));
[INFO] [stdout] 37 | |         });
[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 `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | /     connection::transmit(card, apdu)
[INFO] [stdout] 44 | |         .map(|response| {
[INFO] [stdout] 45 | |             if let RAPDU { status: Status::WrongLength { length }, .. } = response {
[INFO] [stdout] 46 | |                 connection::transmit(card, capdu::read_record(record, sfi, length))
[INFO] [stdout] ...  |
[INFO] [stdout] 50 | |             }
[INFO] [stdout] 51 | |         });
[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 `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 | /                 connection::transmit(card, capdu::read_record(record, sfi, length))
[INFO] [stdout] 47 | |                     .map(|rapdu| {
[INFO] [stdout] 48 | |                         println!("R-APDU: {:02X?}", TLV::decode(rapdu.data));
[INFO] [stdout] 49 | |                     });
[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 `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | /     connection::transmit(card, apdu)
[INFO] [stdout] 58 | |         .map(|rapdu| {
[INFO] [stdout] 59 | |             println!("R-APDU: {:02X?}", TLV::decode(rapdu.data));
[INFO] [stdout] 60 | |         });
[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 `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 | /     connection::transmit(card, apdu)
[INFO] [stdout] 67 | |         .map(|response| {
[INFO] [stdout] 68 | |             println!("R-APDU: {:02X?}", response);
[INFO] [stdout] 69 | |             if let RAPDU { status: Status::ResponseAvailable { length }, .. } = response {
[INFO] [stdout] ...  |
[INFO] [stdout] 74 | |             }
[INFO] [stdout] 75 | |         });
[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 `std::result::Result` that must be used
[INFO] [stdout]   --> src/lib.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | /     connection::transmit(card, apdu)
[INFO] [stdout] 82 | |         .map(|response| {
[INFO] [stdout] 83 | |             println!("R-APDU: {:02X?}", response);
[INFO] [stdout] 84 | |             if let RAPDU { status: Status::ResponseAvailable { length }, .. } = response {
[INFO] [stdout] ...  |
[INFO] [stdout] 89 | |             }
[INFO] [stdout] 90 | |         });
[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: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::str::FromStr;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::string::ParseError`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::string::ParseError;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::str::FromStr;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::string::ParseError`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::string::ParseError;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `options`
[INFO] [stdout]   --> src/main.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let options: CliOptions = CliOptions::from_args();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `options`
[INFO] [stdout]   --> src/main.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let options: CliOptions = CliOptions::from_args();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Command`
[INFO] [stdout]   --> src/main.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 15 | enum Command {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `error`
[INFO] [stdout]   --> src/main.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn error(message: &str) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `UserInput`
[INFO] [stdout]   --> src/main.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | struct UserInput {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `execute_usb`
[INFO] [stdout]   --> src/main.rs:77:4
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn execute_usb() {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_input`
[INFO] [stdout]   --> src/main.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn parse_input() -> UserInput {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Command`
[INFO] [stdout]   --> src/main.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 15 | enum Command {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `error`
[INFO] [stdout]   --> src/main.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn error(message: &str) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `UserInput`
[INFO] [stdout]   --> src/main.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | struct UserInput {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `execute_usb`
[INFO] [stdout]   --> src/main.rs:77:4
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn execute_usb() {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_input`
[INFO] [stdout]   --> src/main.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn parse_input() -> UserInput {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 | /     terminal.draw(|f| {
[INFO] [stdout] 67 | |         let size = f.size();
[INFO] [stdout] 68 | |         let block = Block::default()
[INFO] [stdout] 69 | |             .title("Block")
[INFO] [stdout] 70 | |             .borders(Borders::ALL);
[INFO] [stdout] 71 | |         f.render_widget(block, size)
[INFO] [stdout] 72 | |     });
[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: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 | /     terminal.draw(|f| {
[INFO] [stdout] 67 | |         let size = f.size();
[INFO] [stdout] 68 | |         let block = Block::default()
[INFO] [stdout] 69 | |             .title("Block")
[INFO] [stdout] 70 | |             .borders(Borders::ALL);
[INFO] [stdout] 71 | |         f.render_widget(block, size)
[INFO] [stdout] 72 | |     });
[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: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.11s
[INFO] running `Command { std: "docker" "inspect" "83e71efb1fca3bba6f586c4743ba593b405d763553d6695d586a19adb984100f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83e71efb1fca3bba6f586c4743ba593b405d763553d6695d586a19adb984100f", kill_on_drop: false }`
[INFO] [stdout] 83e71efb1fca3bba6f586c4743ba593b405d763553d6695d586a19adb984100f