[INFO] cloning repository https://github.com/msehnout/netcat-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/msehnout/netcat-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsehnout%2Fnetcat-rs"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsehnout%2Fnetcat-rs'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 557e985c7816a5060f2362f90098151acbaadc74
[INFO] testing msehnout/netcat-rs against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmsehnout%2Fnetcat-rs" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/msehnout/netcat-rs on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/msehnout/netcat-rs
[INFO] finished tweaking git repo https://github.com/msehnout/netcat-rs
[INFO] tweaked toml for git repo https://github.com/msehnout/netcat-rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/msehnout/netcat-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fb92abfb2689cf3ac1823da8657a61bf8be4adaa2808f05084a743e0b9dd144d
[INFO] running `"docker" "start" "-a" "fb92abfb2689cf3ac1823da8657a61bf8be4adaa2808f05084a743e0b9dd144d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling vec_map v0.6.0
[INFO] [stderr]    Compiling unicode-segmentation v1.1.0
[INFO] [stderr]    Compiling term_size v0.2.3
[INFO] [stderr]    Compiling clap v2.20.5
[INFO] [stderr]    Compiling netcat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/modes.rs:68:23
[INFO] [stderr]    |
[INFO] [stderr] 68 |     let stream_read = try!(TcpStream::connect(host)
[INFO] [stderr]    |                       ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/modes.rs:70:24
[INFO] [stderr]    |
[INFO] [stderr] 70 |     let stream_write = try!(stream_read.try_clone()
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/modes.rs:82:20
[INFO] [stderr]    |
[INFO] [stderr] 82 |     let listener = try!(TcpListener::bind(host)
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/modes.rs:84:37
[INFO] [stderr]    |
[INFO] [stderr] 84 |     let (stream_read, socketaddr) = try!(listener.accept()
[INFO] [stderr]    |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/modes.rs:86:24
[INFO] [stderr]    |
[INFO] [stderr] 86 |     let stream_write = try!(stream_read.try_clone()
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/modes.rs:95:18
[INFO] [stderr]    |
[INFO] [stderr] 95 |     let socket = try!(UdpSocket::bind("localhost:30000")
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/modes.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     try!(socket.connect(host)
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modes.rs:111:18
[INFO] [stderr]     |
[INFO] [stderr] 111 |     let socket = try!(UdpSocket::bind(host)
[INFO] [stderr]     |                  ^^^
[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:4:12
[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: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.86s
[INFO] running `"docker" "inspect" "fb92abfb2689cf3ac1823da8657a61bf8be4adaa2808f05084a743e0b9dd144d"`
[INFO] running `"docker" "rm" "-f" "fb92abfb2689cf3ac1823da8657a61bf8be4adaa2808f05084a743e0b9dd144d"`
[INFO] [stdout] fb92abfb2689cf3ac1823da8657a61bf8be4adaa2808f05084a743e0b9dd144d
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 124cb1d412a012a0dacc1c2e11a5bc72b5c3948195f4d42fb82f4e0b8161c7bc
[INFO] running `"docker" "start" "-a" "124cb1d412a012a0dacc1c2e11a5bc72b5c3948195f4d42fb82f4e0b8161c7bc"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling netcat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/modes.rs:68:23
[INFO] [stderr]    |
[INFO] [stderr] 68 |     let stream_read = try!(TcpStream::connect(host)
[INFO] [stderr]    |                       ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/modes.rs:70:24
[INFO] [stderr]    |
[INFO] [stderr] 70 |     let stream_write = try!(stream_read.try_clone()
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/modes.rs:82:20
[INFO] [stderr]    |
[INFO] [stderr] 82 |     let listener = try!(TcpListener::bind(host)
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/modes.rs:84:37
[INFO] [stderr]    |
[INFO] [stderr] 84 |     let (stream_read, socketaddr) = try!(listener.accept()
[INFO] [stderr]    |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/modes.rs:86:24
[INFO] [stderr]    |
[INFO] [stderr] 86 |     let stream_write = try!(stream_read.try_clone()
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/modes.rs:95:18
[INFO] [stderr]    |
[INFO] [stderr] 95 |     let socket = try!(UdpSocket::bind("localhost:30000")
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/modes.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     try!(socket.connect(host)
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modes.rs:111:18
[INFO] [stderr]     |
[INFO] [stderr] 111 |     let socket = try!(UdpSocket::bind(host)
[INFO] [stderr]     |                  ^^^
[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:4:12
[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: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `"docker" "inspect" "124cb1d412a012a0dacc1c2e11a5bc72b5c3948195f4d42fb82f4e0b8161c7bc"`
[INFO] running `"docker" "rm" "-f" "124cb1d412a012a0dacc1c2e11a5bc72b5c3948195f4d42fb82f4e0b8161c7bc"`
[INFO] [stdout] 124cb1d412a012a0dacc1c2e11a5bc72b5c3948195f4d42fb82f4e0b8161c7bc
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e37c43241343306691b7d1cbc9813b74fce49e17e3bb0e0ba27bcd90badb46fe
[INFO] running `"docker" "start" "-a" "e37c43241343306691b7d1cbc9813b74fce49e17e3bb0e0ba27bcd90badb46fe"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/modes.rs:68:23
[INFO] [stderr]    |
[INFO] [stderr] 68 |     let stream_read = try!(TcpStream::connect(host)
[INFO] [stderr]    |                       ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/modes.rs:70:24
[INFO] [stderr]    |
[INFO] [stderr] 70 |     let stream_write = try!(stream_read.try_clone()
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/modes.rs:82:20
[INFO] [stderr]    |
[INFO] [stderr] 82 |     let listener = try!(TcpListener::bind(host)
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/modes.rs:84:37
[INFO] [stderr]    |
[INFO] [stderr] 84 |     let (stream_read, socketaddr) = try!(listener.accept()
[INFO] [stderr]    |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/modes.rs:86:24
[INFO] [stderr]    |
[INFO] [stderr] 86 |     let stream_write = try!(stream_read.try_clone()
[INFO] [stderr]    |                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/modes.rs:95:18
[INFO] [stderr]    |
[INFO] [stderr] 95 |     let socket = try!(UdpSocket::bind("localhost:30000")
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/modes.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     try!(socket.connect(host)
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/modes.rs:111:18
[INFO] [stderr]     |
[INFO] [stderr] 111 |     let socket = try!(UdpSocket::bind(host)
[INFO] [stderr]     |                  ^^^
[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:4:12
[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: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/netcat-c444b918ebd29638
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test modes::tests::pass ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e37c43241343306691b7d1cbc9813b74fce49e17e3bb0e0ba27bcd90badb46fe"`
[INFO] running `"docker" "rm" "-f" "e37c43241343306691b7d1cbc9813b74fce49e17e3bb0e0ba27bcd90badb46fe"`
[INFO] [stdout] e37c43241343306691b7d1cbc9813b74fce49e17e3bb0e0ba27bcd90badb46fe