[INFO] cloning repository https://github.com/kisielatom/twitchbot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kisielatom/twitchbot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkisielatom%2Ftwitchbot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkisielatom%2Ftwitchbot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] df8a89ac424d212dd33616615b5bd8880a3c99b4
[INFO] testing kisielatom/twitchbot against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkisielatom%2Ftwitchbot" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kisielatom/twitchbot
[INFO] finished tweaking git repo https://github.com/kisielatom/twitchbot
[INFO] tweaked toml for git repo https://github.com/kisielatom/twitchbot written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kisielatom/twitchbot on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kisielatom/twitchbot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7d911835279a8581dd33fe4276e0606ab7714308ffeaf1333e02e25032a06c2
[INFO] running `Command { std: "docker" "start" "-a" "f7d911835279a8581dd33fe4276e0606ab7714308ffeaf1333e02e25032a06c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7d911835279a8581dd33fe4276e0606ab7714308ffeaf1333e02e25032a06c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7d911835279a8581dd33fe4276e0606ab7714308ffeaf1333e02e25032a06c2", kill_on_drop: false }`
[INFO] [stdout] f7d911835279a8581dd33fe4276e0606ab7714308ffeaf1333e02e25032a06c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bb5d43671f66df68776504772a7e6e49b10ed4de945b8880ca7778b824cd535
[INFO] running `Command { std: "docker" "start" "-a" "2bb5d43671f66df68776504772a7e6e49b10ed4de945b8880ca7778b824cd535", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling serde_json v1.0.87
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling twitchbot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         reader.read_line(&mut line);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let _ = reader.read_line(&mut line);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.34s
[INFO] running `Command { std: "docker" "inspect" "2bb5d43671f66df68776504772a7e6e49b10ed4de945b8880ca7778b824cd535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bb5d43671f66df68776504772a7e6e49b10ed4de945b8880ca7778b824cd535", kill_on_drop: false }`
[INFO] [stdout] 2bb5d43671f66df68776504772a7e6e49b10ed4de945b8880ca7778b824cd535
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69162a02fbbc57dbd3f139dd3197d1f00f2e5eff3afc423cdb59664a5f4f5e54
[INFO] running `Command { std: "docker" "start" "-a" "69162a02fbbc57dbd3f139dd3197d1f00f2e5eff3afc423cdb59664a5f4f5e54", kill_on_drop: false }`
[INFO] [stderr]    Compiling twitchbot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         reader.read_line(&mut line);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let _ = reader.read_line(&mut line);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "69162a02fbbc57dbd3f139dd3197d1f00f2e5eff3afc423cdb59664a5f4f5e54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69162a02fbbc57dbd3f139dd3197d1f00f2e5eff3afc423cdb59664a5f4f5e54", kill_on_drop: false }`
[INFO] [stdout] 69162a02fbbc57dbd3f139dd3197d1f00f2e5eff3afc423cdb59664a5f4f5e54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dd5594ade81822ada92fc8bca4e0b110f9cbceefbbe392ea4528cfb2d2130e4f
[INFO] running `Command { std: "docker" "start" "-a" "dd5594ade81822ada92fc8bca4e0b110f9cbceefbbe392ea4528cfb2d2130e4f", kill_on_drop: false }`
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |         reader.read_line(&mut line);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 23 |         let _ = reader.read_line(&mut line);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `twitchbot` (bin "twitchbot" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/twitchbot-2b2998a8b95045a6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dd5594ade81822ada92fc8bca4e0b110f9cbceefbbe392ea4528cfb2d2130e4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd5594ade81822ada92fc8bca4e0b110f9cbceefbbe392ea4528cfb2d2130e4f", kill_on_drop: false }`
[INFO] [stdout] dd5594ade81822ada92fc8bca4e0b110f9cbceefbbe392ea4528cfb2d2130e4f
