[INFO] cloning repository https://github.com/zeroalphat/jplink_cli
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zeroalphat/jplink_cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzeroalphat%2Fjplink_cli"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzeroalphat%2Fjplink_cli'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f4098188c2ba6eae0a56b60d43d916c3f1c61a25
[INFO] checking zeroalphat/jplink_cli against master#3dbade652ed8ebac70f903e01f51cd92c4e4302c for pr-69880
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzeroalphat%2Fjplink_cli" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zeroalphat/jplink_cli on toolchain 3dbade652ed8ebac70f903e01f51cd92c4e4302c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/zeroalphat/jplink_cli
[INFO] finished tweaking git repo https://github.com/zeroalphat/jplink_cli
[INFO] tweaked toml for git repo https://github.com/zeroalphat/jplink_cli written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/zeroalphat/jplink_cli already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c6bddc0c775550046582dfe0891d99aeac61fc91e8200028f1792c5af3ef3f29
[INFO] running `"docker" "start" "-a" "c6bddc0c775550046582dfe0891d99aeac61fc91e8200028f1792c5af3ef3f29"`
[INFO] [stderr]    Compiling proc-macro-error v0.4.9
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.9
[INFO] [stderr]    Compiling structopt-derive v0.4.2
[INFO] [stderr]     Checking structopt v0.3.9
[INFO] [stderr]     Checking joseph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]  --> src/main.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{Error, Read, Write};
[INFO] [stderr]   |               ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Shutdown`, `TcpListener`
[INFO] [stderr]  --> src/main.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::net::{TcpListener, TcpStream, Shutdown};
[INFO] [stderr]   |                ^^^^^^^^^^^             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::net::ToSocketAddrs`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::net::ToSocketAddrs;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]  --> src/main.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{Error, Read, Write};
[INFO] [stderr]   |               ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Shutdown`, `TcpListener`
[INFO] [stderr]  --> src/main.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::net::{TcpListener, TcpStream, Shutdown};
[INFO] [stderr]   |                ^^^^^^^^^^^             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::net::ToSocketAddrs`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::net::ToSocketAddrs;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             stream.read_exact(&mut data);
[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:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     stream.read_exact(&mut recv_data);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[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:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             stream.read_exact(&mut data);
[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:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     stream.read_exact(&mut recv_data);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.69s
[INFO] running `"docker" "inspect" "c6bddc0c775550046582dfe0891d99aeac61fc91e8200028f1792c5af3ef3f29"`
[INFO] running `"docker" "rm" "-f" "c6bddc0c775550046582dfe0891d99aeac61fc91e8200028f1792c5af3ef3f29"`
[INFO] [stdout] c6bddc0c775550046582dfe0891d99aeac61fc91e8200028f1792c5af3ef3f29