[INFO] updating cached repository https://github.com/infinityb/rust-irc-client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 388e66984b6bb603cd83a8132e3bd43e37bd1f07
[INFO] testing infinityb/rust-irc-client against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finfinityb%2Frust-irc-client" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/infinityb/rust-irc-client on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/infinityb/rust-irc-client
[INFO] finished tweaking git repo https://github.com/infinityb/rust-irc-client
[INFO] tweaked toml for git repo https://github.com/infinityb/rust-irc-client written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/infinityb/rust-irc-client already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-3/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/infinityb/rust-irc`
[INFO] [stderr]     Updating git repository `https://github.com/shaleh/rust-readline.git`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5e769ed416b6027e420895f48db5c8cbfa3a0ca67ef571ce1b90282ccb718d9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b5e769ed416b6027e420895f48db5c8cbfa3a0ca67ef571ce1b90282ccb718d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5e769ed416b6027e420895f48db5c8cbfa3a0ca67ef571ce1b90282ccb718d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5e769ed416b6027e420895f48db5c8cbfa3a0ca67ef571ce1b90282ccb718d9", kill_on_drop: false }`
[INFO] [stdout] b5e769ed416b6027e420895f48db5c8cbfa3a0ca67ef571ce1b90282ccb718d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41b44e2a0a2de401af20892470a69e3f21ef75a10e98977790441970c621ed77
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "41b44e2a0a2de401af20892470a69e3f21ef75a10e98977790441970c621ed77", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling readline v0.2.0 (https://github.com/shaleh/rust-readline.git#4223e676)
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling irc v0.5.0 (https://github.com/infinityb/rust-irc#4d8bfd9f)
[INFO] [stderr]    Compiling irc-client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found keyword `return`
[INFO] [stdout]    --> src/irc_client.rs:157:17
[INFO] [stdout]     |
[INFO] [stdout] 156 |                 println!("nick-read failed, exit")
[INFO] [stdout]     |                                                   - expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stdout] 157 |                 return;
[INFO] [stdout]     |                 ^^^^^^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `]`
[INFO] [stdout]    --> src/irc_client.rs:161:45
[INFO] [stdout]     |
[INFO] [stdout] 161 |         match self.connection.register(nick[].trim_chars('\n')) {
[INFO] [stdout]     |         -----                               ^ expected expression
[INFO] [stdout]     |         |
[INFO] [stdout]     |         while parsing this match expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `]`
[INFO] [stdout]    --> src/irc_client.rs:185:33
[INFO] [stdout]     |
[INFO] [stdout] 185 |         let line_cleaned = line[].trim_chars('\n');
[INFO] [stdout]     |                                 ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `]`
[INFO] [stdout]    --> src/irc_client.rs:218:33
[INFO] [stdout]     |
[INFO] [stdout] 218 |         let line_cleaned = line[].trim_chars('\n');
[INFO] [stdout]     |                                 ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `Ok`
[INFO] [stdout]    --> src/irc_client.rs:231:17
[INFO] [stdout]     |
[INFO] [stdout] 230 |                 try!(stdout_w.flush())
[INFO] [stdout]     |                                       - expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stdout] 231 |                 Ok(())
[INFO] [stdout]     |                 ^^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `)`, `,`, `.`, `?`, or an operator, found `{`
[INFO] [stdout]    --> src/irc_client.rs:226:22
[INFO] [stdout]     |
[INFO] [stdout] 226 |         spawn(proc() {
[INFO] [stdout]     |                     -^ expected one of `)`, `,`, `.`, `?`, or an operator
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: missing `,`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `debug`
[INFO] [stdout]  --> src/irc_client.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate debug;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `irc-client`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "41b44e2a0a2de401af20892470a69e3f21ef75a10e98977790441970c621ed77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41b44e2a0a2de401af20892470a69e3f21ef75a10e98977790441970c621ed77", kill_on_drop: false }`
[INFO] [stdout] 41b44e2a0a2de401af20892470a69e3f21ef75a10e98977790441970c621ed77