[INFO] crate irc-channel 0.1.1 is already in cache
[INFO] testing irc-channel-0.1.1 against 1.44.0 for beta-1.45-1
[INFO] extracting crate irc-channel 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate irc-channel 0.1.1 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate irc-channel 0.1.1
[INFO] finished tweaking crates.io crate irc-channel 0.1.1
[INFO] tweaked toml for crates.io crate irc-channel 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] cc11ba31053df30fbe9a46c6deff0403e600b6164b53d37457bcd327aa2c0d70
[INFO] running `"docker" "start" "-a" "cc11ba31053df30fbe9a46c6deff0403e600b6164b53d37457bcd327aa2c0d70"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling irc_message v1.0.0
[INFO] [stderr]    Compiling many2many v0.0.2
[INFO] [stderr]    Compiling irc-channel v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:40:17
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let conn1 = try!(TcpStream::connect(address));
[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/lib.rs:41:17
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let conn2 = try!(conn1.try_clone());
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let conn3 = try!(conn1.try_clone());
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "cc11ba31053df30fbe9a46c6deff0403e600b6164b53d37457bcd327aa2c0d70"`
[INFO] running `"docker" "rm" "-f" "cc11ba31053df30fbe9a46c6deff0403e600b6164b53d37457bcd327aa2c0d70"`
[INFO] [stdout] cc11ba31053df30fbe9a46c6deff0403e600b6164b53d37457bcd327aa2c0d70
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] 62c5a9cb4a8bc3bd0f59d246123fb512be12e6ad4ce81fd843bd1557362f2fc7
[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" "62c5a9cb4a8bc3bd0f59d246123fb512be12e6ad4ce81fd843bd1557362f2fc7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling irc-channel v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:40:17
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let conn1 = try!(TcpStream::connect(address));
[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/lib.rs:41:17
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let conn2 = try!(conn1.try_clone());
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let conn3 = try!(conn1.try_clone());
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:40:17
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let conn1 = try!(TcpStream::connect(address));
[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/lib.rs:41:17
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let conn2 = try!(conn1.try_clone());
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:42:17
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let conn3 = try!(conn1.try_clone());
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `select` in this scope
[INFO] [stderr]   --> examples/basic_client.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         select!{
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> examples/basic_client.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(std_misc)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `irc_message::IrcMessage`
[INFO] [stderr]  --> examples/basic_client.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use irc_message::IrcMessage;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `irc-channel`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "62c5a9cb4a8bc3bd0f59d246123fb512be12e6ad4ce81fd843bd1557362f2fc7"`
[INFO] running `"docker" "rm" "-f" "62c5a9cb4a8bc3bd0f59d246123fb512be12e6ad4ce81fd843bd1557362f2fc7"`
[INFO] [stdout] 62c5a9cb4a8bc3bd0f59d246123fb512be12e6ad4ce81fd843bd1557362f2fc7