[INFO] cloning repository https://github.com/RedDocMD/mini-ftp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RedDocMD/mini-ftp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRedDocMD%2Fmini-ftp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRedDocMD%2Fmini-ftp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae9d6d3d83f4057163784488e4e55eb3e85f53dc
[INFO] checking RedDocMD/mini-ftp/ae9d6d3d83f4057163784488e4e55eb3e85f53dc against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRedDocMD%2Fmini-ftp" "/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/RedDocMD/mini-ftp on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RedDocMD/mini-ftp
[INFO] finished tweaking git repo https://github.com/RedDocMD/mini-ftp
[INFO] tweaked toml for git repo https://github.com/RedDocMD/mini-ftp written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/RedDocMD/mini-ftp 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fd-lock v3.0.3
[INFO] [stderr]   Downloaded clipboard-win v4.4.1
[INFO] [stderr]   Downloaded io-lifetimes v0.4.4
[INFO] [stderr]   Downloaded rustix v0.32.1
[INFO] [stderr]   Downloaded windows_i686_msvc v0.30.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.30.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.30.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.30.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.30.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.0.37
[INFO] [stderr]   Downloaded windows-sys v0.30.0
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9e5a4a54f7e64148c2436bdb72c5abd7681229925e6ea0926ef3850ae64d65b
[INFO] running `Command { std: "docker" "start" "-a" "f9e5a4a54f7e64148c2436bdb72c5abd7681229925e6ea0926ef3850ae64d65b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9e5a4a54f7e64148c2436bdb72c5abd7681229925e6ea0926ef3850ae64d65b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9e5a4a54f7e64148c2436bdb72c5abd7681229925e6ea0926ef3850ae64d65b", kill_on_drop: false }`
[INFO] [stdout] f9e5a4a54f7e64148c2436bdb72c5abd7681229925e6ea0926ef3850ae64d65b
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65d884932801c24a9ee72241f86a53bba0cb18ff91ad22d0dd894efa186e9cca
[INFO] running `Command { std: "docker" "start" "-a" "65d884932801c24a9ee72241f86a53bba0cb18ff91ad22d0dd894efa186e9cca", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling io-lifetimes v0.4.4
[INFO] [stderr]    Compiling rustix v0.32.1
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking linux-raw-sys v0.0.37
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking fd-lock v3.0.3
[INFO] [stderr]     Checking rustyline v9.1.2
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking mini-ftp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Ready` is never constructed
[INFO] [stdout]    --> src/bin/server.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 116 | enum ContextState {
[INFO] [stdout]     |      ------------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 119 |     Ready,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ContextState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Ready` is never constructed
[INFO] [stdout]   --> src/bin/client.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | enum ConnectionStatus {
[INFO] [stdout]    |      ---------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 89 |     Ready,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConnectionStatus` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Ready` is never constructed
[INFO] [stdout]   --> src/bin/client.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | enum ConnectionStatus {
[INFO] [stdout]    |      ---------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 89 |     Ready,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConnectionStatus` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Ready` is never constructed
[INFO] [stdout]    --> src/bin/server.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 116 | enum ContextState {
[INFO] [stdout]     |      ------------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 119 |     Ready,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ContextState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.45s
[INFO] running `Command { std: "docker" "inspect" "65d884932801c24a9ee72241f86a53bba0cb18ff91ad22d0dd894efa186e9cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65d884932801c24a9ee72241f86a53bba0cb18ff91ad22d0dd894efa186e9cca", kill_on_drop: false }`
[INFO] [stdout] 65d884932801c24a9ee72241f86a53bba0cb18ff91ad22d0dd894efa186e9cca