[INFO] updating cached repository msehnout/netcat-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/msehnout/netcat-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/msehnout/netcat-rs" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/msehnout/netcat-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/msehnout/netcat-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/msehnout/netcat-rs" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/msehnout/netcat-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/msehnout/netcat-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 557e985c7816a5060f2362f90098151acbaadc74
[INFO] sha for GitHub repo msehnout/netcat-rs: 557e985c7816a5060f2362f90098151acbaadc74
[INFO] validating manifest of msehnout/netcat-rs on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of msehnout/netcat-rs on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing msehnout/netcat-rs
[INFO] finished frobbing msehnout/netcat-rs
[INFO] frobbed toml for msehnout/netcat-rs written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/msehnout/netcat-rs/Cargo.toml
[INFO] started frobbing msehnout/netcat-rs
[INFO] finished frobbing msehnout/netcat-rs
[INFO] frobbed toml for msehnout/netcat-rs written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/msehnout/netcat-rs/Cargo.toml
[INFO] crate msehnout/netcat-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking msehnout/netcat-rs against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-7/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/msehnout/netcat-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1564d38351bb33833dfb4ccd45cf3dc411810029c94a3057bdfd1192a18e6e43
[INFO] running `"docker" "start" "-a" "1564d38351bb33833dfb4ccd45cf3dc411810029c94a3057bdfd1192a18e6e43"`
[INFO] [stderr]     Checking clap v2.20.5
[INFO] [stderr]     Checking netcat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `config::*`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use config::*;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `config::*`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use config::*;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Config`
[INFO] [stderr]  --> src/config.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Config {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/config.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_timeout`
[INFO] [stderr]   --> src/config.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn set_timeout(&mut self, seconds: u64) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_timeout`
[INFO] [stderr]   --> src/config.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn get_timeout(&self) -> Duration {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Config`
[INFO] [stderr]  --> src/config.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Config {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/config.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_timeout`
[INFO] [stderr]   --> src/config.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn set_timeout(&mut self, seconds: u64) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_timeout`
[INFO] [stderr]   --> src/config.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn get_timeout(&self) -> Duration {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.22s
[INFO] running `"docker" "inspect" "1564d38351bb33833dfb4ccd45cf3dc411810029c94a3057bdfd1192a18e6e43"`
[INFO] running `"docker" "rm" "-f" "1564d38351bb33833dfb4ccd45cf3dc411810029c94a3057bdfd1192a18e6e43"`
[INFO] [stdout] 1564d38351bb33833dfb4ccd45cf3dc411810029c94a3057bdfd1192a18e6e43