[INFO] cloning repository https://github.com/tshaynik/netkitten
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tshaynik/netkitten" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftshaynik%2Fnetkitten", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftshaynik%2Fnetkitten'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dde8bcbf7e0354fe185cc3194ad0c64ce893fc7b
[INFO] checking tshaynik/netkitten against try#af54b6062f33b99e418444700f3a823ef0214052 for pr-138952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftshaynik%2Fnetkitten" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tshaynik/netkitten on toolchain af54b6062f33b99e418444700f3a823ef0214052
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af54b6062f33b99e418444700f3a823ef0214052" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tshaynik/netkitten
[INFO] finished tweaking git repo https://github.com/tshaynik/netkitten
[INFO] tweaked toml for git repo https://github.com/tshaynik/netkitten written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tshaynik/netkitten 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" "+af54b6062f33b99e418444700f3a823ef0214052" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+af54b6062f33b99e418444700f3a823ef0214052" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0bf82a6d2281ed6fe34acbf687c8c82e0aa07a6d3d599f310769191134b39c2
[INFO] running `Command { std: "docker" "start" "-a" "f0bf82a6d2281ed6fe34acbf687c8c82e0aa07a6d3d599f310769191134b39c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0bf82a6d2281ed6fe34acbf687c8c82e0aa07a6d3d599f310769191134b39c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0bf82a6d2281ed6fe34acbf687c8c82e0aa07a6d3d599f310769191134b39c2", kill_on_drop: false }`
[INFO] [stdout] f0bf82a6d2281ed6fe34acbf687c8c82e0aa07a6d3d599f310769191134b39c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+af54b6062f33b99e418444700f3a823ef0214052" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2d93b8f269e4a94df4213e0421187415c82daee334fdce74558175291af7489
[INFO] running `Command { std: "docker" "start" "-a" "c2d93b8f269e4a94df4213e0421187415c82daee334fdce74558175291af7489", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking netkitten v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `execute` and `keep_open` are never read
[INFO] [stdout]   --> src/connect.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct ConnectOpts {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 8  |     #[structopt(short, long)]
[INFO] [stdout] 9  |     execute: Option<String>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 10 |     #[structopt(short, long)]
[INFO] [stdout] 11 |     keep_open: bool,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConnectOpts` 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: field `execute` is never read
[INFO] [stdout]   --> src/listen.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct ListenOpts {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 9  |     #[structopt(short, long)]
[INFO] [stdout] 10 |     execute: Option<String>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ListenOpts` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `execute` and `keep_open` are never read
[INFO] [stdout]   --> src/connect.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct ConnectOpts {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 8  |     #[structopt(short, long)]
[INFO] [stdout] 9  |     execute: Option<String>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 10 |     #[structopt(short, long)]
[INFO] [stdout] 11 |     keep_open: bool,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConnectOpts` 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: field `execute` is never read
[INFO] [stdout]   --> src/listen.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct ListenOpts {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 9  |     #[structopt(short, long)]
[INFO] [stdout] 10 |     execute: Option<String>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ListenOpts` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.42s
[INFO] running `Command { std: "docker" "inspect" "c2d93b8f269e4a94df4213e0421187415c82daee334fdce74558175291af7489", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2d93b8f269e4a94df4213e0421187415c82daee334fdce74558175291af7489", kill_on_drop: false }`
[INFO] [stdout] c2d93b8f269e4a94df4213e0421187415c82daee334fdce74558175291af7489