[INFO] cloning repository https://github.com/del6597/FeObot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/del6597/FeObot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdel6597%2FFeObot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdel6597%2FFeObot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5409d85a075a4f29925b87a095ae0de848d98fa2
[INFO] checking del6597/FeObot against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdel6597%2FFeObot" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/del6597/FeObot on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/del6597/FeObot
[INFO] finished tweaking git repo https://github.com/del6597/FeObot
[INFO] tweaked toml for git repo https://github.com/del6597/FeObot written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/del6597/FeObot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2b2eb325f94e7f768d97d863b226fe02b4d379d89955fb6c53031a56950ebfa
[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" "a2b2eb325f94e7f768d97d863b226fe02b4d379d89955fb6c53031a56950ebfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2b2eb325f94e7f768d97d863b226fe02b4d379d89955fb6c53031a56950ebfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2b2eb325f94e7f768d97d863b226fe02b4d379d89955fb6c53031a56950ebfa", kill_on_drop: false }`
[INFO] [stdout] a2b2eb325f94e7f768d97d863b226fe02b4d379d89955fb6c53031a56950ebfa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57047009db400a8315f56a4e8dd2e1e8daa0b2e10a950e0a2d5cbb1c63a16fd7
[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" "57047009db400a8315f56a4e8dd2e1e8daa0b2e10a950e0a2d5cbb1c63a16fd7", kill_on_drop: false }`
[INFO] [stderr]     Checking irclib v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::io::BufferedReader`
[INFO] [stdout]  --> src/IrcStream.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::BufferedReader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^ no `BufferedReader` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::io::BufferedWriter`
[INFO] [stdout]  --> src/IrcStream.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::BufferedWriter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^ no `BufferedWriter` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::io::TcpStream`
[INFO] [stdout]  --> src/IrcStream.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::TcpStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^ no `TcpStream` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `irclib`.
[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] [stdout] error[E0432]: unresolved import `std::io::BufferedReader`
[INFO] [stdout]  --> src/IrcStream.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::BufferedReader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^ no `BufferedReader` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::io::BufferedWriter`
[INFO] [stdout]  --> src/IrcStream.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::BufferedWriter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^ no `BufferedWriter` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::io::TcpStream`
[INFO] [stdout]  --> src/IrcStream.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::TcpStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^ no `TcpStream` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "57047009db400a8315f56a4e8dd2e1e8daa0b2e10a950e0a2d5cbb1c63a16fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57047009db400a8315f56a4e8dd2e1e8daa0b2e10a950e0a2d5cbb1c63a16fd7", kill_on_drop: false }`
[INFO] [stdout] 57047009db400a8315f56a4e8dd2e1e8daa0b2e10a950e0a2d5cbb1c63a16fd7