[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 try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotmedia%2Ftftp-rs" "/workspace/builds/worker-90/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-90/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/notmedia/tftp-rs on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-90/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: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c81288801dd7e35bd6fe74448f9a42d8fb213594f1a055e46527ca417d5d39b
[INFO] running `Command { std: "docker" "start" "-a" "8c81288801dd7e35bd6fe74448f9a42d8fb213594f1a055e46527ca417d5d39b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c81288801dd7e35bd6fe74448f9a42d8fb213594f1a055e46527ca417d5d39b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c81288801dd7e35bd6fe74448f9a42d8fb213594f1a055e46527ca417d5d39b", kill_on_drop: false }`
[INFO] [stdout] 8c81288801dd7e35bd6fe74448f9a42d8fb213594f1a055e46527ca417d5d39b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2570a174887708e4a066f409a15053d9a060b05d7b0ff1a6f305af8a3af68640
[INFO] running `Command { std: "docker" "start" "-a" "2570a174887708e4a066f409a15053d9a060b05d7b0ff1a6f305af8a3af68640", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling ryu v1.0.5
[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 static_assertions v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking config v0.11.0
[INFO] [stderr]     Checking tftp-rs v0.1.0 (/opt/rustwide/workdir)
[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 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: 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: 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] 
[INFO] [stdout] warning: struct is never constructed: `Decoder`
[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 is never used: `decode`
[INFO] [stdout]  --> src/codec/decoder.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 |   pub fn decode() -> Result<Request, Error> {
[INFO] [stdout]   |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Command`
[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 is never constructed: `None`
[INFO] [stdout]   --> src/ftp.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Request`
[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 is never used: `new`
[INFO] [stdout]   --> src/ftp.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn new(command: &str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `USER`
[INFO] [stdout]  --> src/ftp.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     USER,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `QUIT`
[INFO] [stdout]  --> src/ftp.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     QUIT,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PORT`
[INFO] [stdout]  --> src/ftp.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     PORT,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TYPE`
[INFO] [stdout]  --> src/ftp.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     TYPE,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `MODE`
[INFO] [stdout]  --> src/ftp.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     MODE,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `STRU`
[INFO] [stdout]  --> src/ftp.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     STRU,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RETR`
[INFO] [stdout]  --> src/ftp.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     RETR,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `STOR`
[INFO] [stdout]  --> src/ftp.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     STOR,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `None`
[INFO] [stdout]   --> src/ftp.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/ftp.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn new(command: &str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.24s
[INFO] running `Command { std: "docker" "inspect" "2570a174887708e4a066f409a15053d9a060b05d7b0ff1a6f305af8a3af68640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2570a174887708e4a066f409a15053d9a060b05d7b0ff1a6f305af8a3af68640", kill_on_drop: false }`
[INFO] [stdout] 2570a174887708e4a066f409a15053d9a060b05d7b0ff1a6f305af8a3af68640