[INFO] cloning repository https://github.com/notmedia/tftp-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/notmedia/tftp-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotmedia%2Ftftp-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotmedia%2Ftftp-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b5fb2b0ee00094063a9ef98ad83f3205ea4ec8d5
[INFO] checking notmedia/tftp-rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotmedia%2Ftftp-rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/notmedia/tftp-rs on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/notmedia/tftp-rs
[INFO] finished tweaking git repo https://github.com/notmedia/tftp-rs
[INFO] tweaked toml for git repo https://github.com/notmedia/tftp-rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/notmedia/tftp-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cfea698bdefdfea216067de10595fc47691547498a977bbc1cc87ac7931b3375
[INFO] running `Command { std: "docker" "start" "-a" "cfea698bdefdfea216067de10595fc47691547498a977bbc1cc87ac7931b3375", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfea698bdefdfea216067de10595fc47691547498a977bbc1cc87ac7931b3375", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfea698bdefdfea216067de10595fc47691547498a977bbc1cc87ac7931b3375", kill_on_drop: false }`
[INFO] [stdout] cfea698bdefdfea216067de10595fc47691547498a977bbc1cc87ac7931b3375
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51c376df04fccf7976b60a3c28f469b6253443cca97f2188b464316431383fad
[INFO] running `Command { std: "docker" "start" "-a" "51c376df04fccf7976b60a3c28f469b6253443cca97f2188b464316431383fad", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling serde_json v1.0.69
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking config v0.11.0
[INFO] [stderr]     Checking tftp-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `decoder::*`
[INFO] [stdout]  --> src/codec/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use decoder::*;
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `config::*`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use config::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `config::*`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use config::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command`
[INFO] [stdout]   --> src/ftp.rs:38:16
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn new(command: &str) -> Self {
[INFO] [stdout]    |                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Decoder` is never constructed
[INFO] [stdout]  --> src/codec/decoder.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Decoder {}
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `decode` is never used
[INFO] [stdout]  --> src/codec/decoder.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl Decoder {
[INFO] [stdout]   | ------------ associated function in this implementation
[INFO] [stdout] 8 |   pub fn decode() -> Result<Request, Error> {
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Command` is never used
[INFO] [stdout]  --> src/ftp.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum Command {
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `None` is never constructed
[INFO] [stdout]   --> src/ftp.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub enum ReplyMessage {
[INFO] [stdout]    |          ------------ variant in this enum
[INFO] [stdout] 18 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Request` is never constructed
[INFO] [stdout]   --> src/ftp.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct Request {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/ftp.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl Request {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 38 |     pub fn new(command: &str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/codec/decoder.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 |       let result = Decoder::decode();
[INFO] [stdout]    |           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command`
[INFO] [stdout]   --> src/ftp.rs:38:16
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn new(command: &str) -> Self {
[INFO] [stdout]    |                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]  --> src/ftp.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum Command {
[INFO] [stdout]   |          ------- variants in this enum
[INFO] [stdout] 2 |     USER,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 3 |     QUIT,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 4 |     PORT,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 5 |     TYPE,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 6 |     MODE,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 7 |     STRU,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 8 |     RETR,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 9 |     STOR,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `None` is never constructed
[INFO] [stdout]   --> src/ftp.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub enum ReplyMessage {
[INFO] [stdout]    |          ------------ variant in this enum
[INFO] [stdout] 18 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `command` is never read
[INFO] [stdout]   --> src/ftp.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct Request {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 34 |     pub command: Command,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/ftp.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl Request {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 38 |     pub fn new(command: &str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.79s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "51c376df04fccf7976b60a3c28f469b6253443cca97f2188b464316431383fad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51c376df04fccf7976b60a3c28f469b6253443cca97f2188b464316431383fad", kill_on_drop: false }`
[INFO] [stdout] 51c376df04fccf7976b60a3c28f469b6253443cca97f2188b464316431383fad
[INFO] checking notmedia/tftp-rs against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotmedia%2Ftftp-rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/notmedia/tftp-rs on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/notmedia/tftp-rs
[INFO] finished tweaking git repo https://github.com/notmedia/tftp-rs
[INFO] tweaked toml for git repo https://github.com/notmedia/tftp-rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/notmedia/tftp-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e2412bd34142c99c5bdce703120206958f65a0adc9f87f0eb05c8c75ec27475
[INFO] running `Command { std: "docker" "start" "-a" "6e2412bd34142c99c5bdce703120206958f65a0adc9f87f0eb05c8c75ec27475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e2412bd34142c99c5bdce703120206958f65a0adc9f87f0eb05c8c75ec27475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e2412bd34142c99c5bdce703120206958f65a0adc9f87f0eb05c8c75ec27475", kill_on_drop: false }`
[INFO] [stdout] 6e2412bd34142c99c5bdce703120206958f65a0adc9f87f0eb05c8c75ec27475
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e16e6e980f707def190df3c9e6cfd76c4e40fb553494652a37b08ff4a0b0900
[INFO] running `Command { std: "docker" "start" "-a" "1e16e6e980f707def190df3c9e6cfd76c4e40fb553494652a37b08ff4a0b0900", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling serde_json v1.0.69
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking config v0.11.0
[INFO] [stderr]     Checking tftp-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `decoder::*`
[INFO] [stdout]  --> src/codec/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use decoder::*;
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `config::*`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use config::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `config::*`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use config::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command`
[INFO] [stdout]   --> src/ftp.rs:38:16
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn new(command: &str) -> Self {
[INFO] [stdout]    |                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Decoder` is never constructed
[INFO] [stdout]  --> src/codec/decoder.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Decoder {}
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `decode` is never used
[INFO] [stdout]  --> src/codec/decoder.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl Decoder {
[INFO] [stdout]   | ------------ associated function in this implementation
[INFO] [stdout] 8 |   pub fn decode() -> Result<Request, Error> {
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Command` is never used
[INFO] [stdout]  --> src/ftp.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum Command {
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `None` is never constructed
[INFO] [stdout]   --> src/ftp.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub enum ReplyMessage {
[INFO] [stdout]    |          ------------ variant in this enum
[INFO] [stdout] 18 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Request` is never constructed
[INFO] [stdout]   --> src/ftp.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct Request {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/ftp.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl Request {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 38 |     pub fn new(command: &str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/codec/decoder.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 |       let result = Decoder::decode();
[INFO] [stdout]    |           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `command`
[INFO] [stdout]   --> src/ftp.rs:38:16
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn new(command: &str) -> Self {
[INFO] [stdout]    |                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]  --> src/ftp.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum Command {
[INFO] [stdout]   |          ------- variants in this enum
[INFO] [stdout] 2 |     USER,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 3 |     QUIT,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 4 |     PORT,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 5 |     TYPE,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 6 |     MODE,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 7 |     STRU,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 8 |     RETR,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 9 |     STOR,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `None` is never constructed
[INFO] [stdout]   --> src/ftp.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub enum ReplyMessage {
[INFO] [stdout]    |          ------------ variant in this enum
[INFO] [stdout] 18 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `command` is never read
[INFO] [stdout]   --> src/ftp.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct Request {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 34 |     pub command: Command,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/ftp.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl Request {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 38 |     pub fn new(command: &str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.90s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "1e16e6e980f707def190df3c9e6cfd76c4e40fb553494652a37b08ff4a0b0900", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e16e6e980f707def190df3c9e6cfd76c4e40fb553494652a37b08ff4a0b0900", kill_on_drop: false }`
[INFO] [stdout] 1e16e6e980f707def190df3c9e6cfd76c4e40fb553494652a37b08ff4a0b0900