[INFO] cloning repository https://github.com/ajmwagar/tetnus
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ajmwagar/tetnus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajmwagar%2Ftetnus"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajmwagar%2Ftetnus'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 92870b945d31674d811c5c92e464a38ae2a81117
[INFO] checking ajmwagar/tetnus against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fajmwagar%2Ftetnus" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ajmwagar/tetnus on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ajmwagar/tetnus
[INFO] finished tweaking git repo https://github.com/ajmwagar/tetnus
[INFO] tweaked toml for git repo https://github.com/ajmwagar/tetnus written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ajmwagar/tetnus already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 311ded13dd6fe18f4e28b74ff5e3ff45f29b3b325aa3536e91484e6ae414b961
[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" "311ded13dd6fe18f4e28b74ff5e3ff45f29b3b325aa3536e91484e6ae414b961"`
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.19
[INFO] [stderr]     Checking tetnus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `TcpStream`
[INFO] [stderr]  --> src/unix_shell/mod.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::net::{TcpStream, SocketAddr};
[INFO] [stderr]   |                ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `thread`, `time`
[INFO] [stderr]  --> src/unix_shell/mod.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::{thread, time};
[INFO] [stderr]   |           ^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function cannot return without recursing
[INFO] [stderr]   --> src/unix_shell/mod.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn sh(home: String){
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stderr] ...
[INFO] [stderr] 49 |     sh(home);
[INFO] [stderr]    |     -------- recursive call site
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stderr]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/unix_shell/mod.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     socket.connect(&home.parse::<SocketAddr>().unwrap().into());
[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 import: `TcpStream`
[INFO] [stderr]  --> src/unix_shell/mod.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::net::{TcpStream, SocketAddr};
[INFO] [stderr]   |                ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `thread`, `time`
[INFO] [stderr]  --> src/unix_shell/mod.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::{thread, time};
[INFO] [stderr]   |           ^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function cannot return without recursing
[INFO] [stderr]   --> src/unix_shell/mod.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn sh(home: String){
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stderr] ...
[INFO] [stderr] 49 |     sh(home);
[INFO] [stderr]    |     -------- recursive call site
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stderr]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/unix_shell/mod.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     socket.connect(&home.parse::<SocketAddr>().unwrap().into());
[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]     Finished dev [unoptimized + debuginfo] target(s) in 23.96s
[INFO] running `"docker" "inspect" "311ded13dd6fe18f4e28b74ff5e3ff45f29b3b325aa3536e91484e6ae414b961"`
[INFO] running `"docker" "rm" "-f" "311ded13dd6fe18f4e28b74ff5e3ff45f29b3b325aa3536e91484e6ae414b961"`
[INFO] [stdout] 311ded13dd6fe18f4e28b74ff5e3ff45f29b3b325aa3536e91484e6ae414b961