[INFO] cloning repository https://github.com/LorneBarnaby/port_scanner
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LorneBarnaby/port_scanner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLorneBarnaby%2Fport_scanner"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLorneBarnaby%2Fport_scanner'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 289896da3ec07096276937974c260ba71fa275fa
[INFO] checking LorneBarnaby/port_scanner against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLorneBarnaby%2Fport_scanner" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LorneBarnaby/port_scanner on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/LorneBarnaby/port_scanner
[INFO] finished tweaking git repo https://github.com/LorneBarnaby/port_scanner
[INFO] tweaked toml for git repo https://github.com/LorneBarnaby/port_scanner written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/LorneBarnaby/port_scanner already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 06ce0c67d36ffc69f89bc69923c8d4ebd2b816b544364877be7dd66ff509dbc1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "06ce0c67d36ffc69f89bc69923c8d4ebd2b816b544364877be7dd66ff509dbc1"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking clap v2.27.1
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling libsqlite3-sys v0.17.3
[INFO] [stderr]     Checking rusqlite v0.21.0
[INFO] [stderr]     Checking port_scanner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `TcpListener`
[INFO] [stderr]  --> src/main.rs:6:16
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::net::{TcpListener, TcpStream};
[INFO] [stderr]   |                ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `NaiveDateTime`, `Utc`
[INFO] [stderr]  --> src/main.rs:7:24
[INFO] [stderr]   |
[INFO] [stderr] 7 | use chrono::{DateTime, NaiveDateTime, Utc, Local};
[INFO] [stderr]   |                        ^^^^^^^^^^^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TcpListener`
[INFO] [stderr]  --> src/main.rs:6:16
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::net::{TcpListener, TcpStream};
[INFO] [stderr]   |                ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `NaiveDateTime`, `Utc`
[INFO] [stderr]  --> src/main.rs:7:24
[INFO] [stderr]   |
[INFO] [stderr] 7 | use chrono::{DateTime, NaiveDateTime, Utc, Local};
[INFO] [stderr]   |                        ^^^^^^^^^^^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `time`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     time : Option<DateTime<Local>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `OpenPort`
[INFO] [stderr]   --> src/main.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | struct OpenPort {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     create_or_connect(&conn);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         insert_port(port, &conn, scanid);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable `E` should have a snake case name
[INFO] [stderr]   --> src/main.rs:93:13
[INFO] [stderr]    |
[INFO] [stderr] 93 |         Err(E) => panic!("{}",E),
[INFO] [stderr]    |             ^ help: convert the identifier to snake case: `e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `time`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     time : Option<DateTime<Local>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `OpenPort`
[INFO] [stderr]   --> src/main.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | struct OpenPort {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     create_or_connect(&conn);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         insert_port(port, &conn, scanid);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable `E` should have a snake case name
[INFO] [stderr]   --> src/main.rs:93:13
[INFO] [stderr]    |
[INFO] [stderr] 93 |         Err(E) => panic!("{}",E),
[INFO] [stderr]    |             ^ help: convert the identifier to snake case: `e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.74s
[INFO] running `"docker" "inspect" "06ce0c67d36ffc69f89bc69923c8d4ebd2b816b544364877be7dd66ff509dbc1"`
[INFO] running `"docker" "rm" "-f" "06ce0c67d36ffc69f89bc69923c8d4ebd2b816b544364877be7dd66ff509dbc1"`
[INFO] [stdout] 06ce0c67d36ffc69f89bc69923c8d4ebd2b816b544364877be7dd66ff509dbc1