[INFO] cloning repository https://github.com/prajwalprabhu/chatbot-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/prajwalprabhu/chatbot-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprajwalprabhu%2Fchatbot-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprajwalprabhu%2Fchatbot-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 721708c3711ddc26972ceb824ce0ca4d47eed2ef [INFO] checking prajwalprabhu/chatbot-rs against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprajwalprabhu%2Fchatbot-rs" "/workspace/builds/worker-30/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-30/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/prajwalprabhu/chatbot-rs on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/prajwalprabhu/chatbot-rs [INFO] finished tweaking git repo https://github.com/prajwalprabhu/chatbot-rs [INFO] tweaked toml for git repo https://github.com/prajwalprabhu/chatbot-rs written to /workspace/builds/worker-30/source/Cargo.toml [INFO] crate git repo https://github.com/prajwalprabhu/chatbot-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 76cf9a52e76f52949d06b33730408f26f1a0a2100902e1981dcf06e6324757ce [INFO] running `Command { std: "docker" "start" "-a" "76cf9a52e76f52949d06b33730408f26f1a0a2100902e1981dcf06e6324757ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "76cf9a52e76f52949d06b33730408f26f1a0a2100902e1981dcf06e6324757ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "76cf9a52e76f52949d06b33730408f26f1a0a2100902e1981dcf06e6324757ce", kill_on_drop: false }` [INFO] [stdout] 76cf9a52e76f52949d06b33730408f26f1a0a2100902e1981dcf06e6324757ce [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 20889ce52e0d396f00e8fa0b0614310672e343a23f203909b1b8c129362ce552 [INFO] running `Command { std: "docker" "start" "-a" "20889ce52e0d396f00e8fa0b0614310672e343a23f203909b1b8c129362ce552", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling syn v1.0.69 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking chatbot-rs v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:154:5 [INFO] [stdout] | [INFO] [stdout] 126 | / loop { [INFO] [stdout] 127 | | let result: Message = channel.recv().unwrap(); [INFO] [stdout] 128 | | let mut members = members.lock().unwrap(); [INFO] [stdout] 129 | | let mut stream = stream.lock().unwrap(); [INFO] [stdout] ... | [INFO] [stdout] 150 | | Mutex::unlock(stream); [INFO] [stdout] 151 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 154 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:154:5 [INFO] [stdout] | [INFO] [stdout] 126 | / loop { [INFO] [stdout] 127 | | let result: Message = channel.recv().unwrap(); [INFO] [stdout] 128 | | let mut members = members.lock().unwrap(); [INFO] [stdout] 129 | | let mut stream = stream.lock().unwrap(); [INFO] [stdout] ... | [INFO] [stdout] 150 | | Mutex::unlock(stream); [INFO] [stdout] 151 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 154 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 59.66s [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Checking chatbot-rs v0.1.0 (/tmp/fixit) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:154:5 [INFO] [stdout] | [INFO] [stdout] 126 | / loop { [INFO] [stdout] 127 | | let result: Message = channel.recv().unwrap(); [INFO] [stdout] 128 | | let mut members = members.lock().unwrap(); [INFO] [stdout] 129 | | let mut stream = stream.lock().unwrap(); [INFO] [stdout] ... | [INFO] [stdout] 150 | | Mutex::unlock(stream); [INFO] [stdout] 151 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 154 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:154:5 [INFO] [stdout] | [INFO] [stdout] 126 | / loop { [INFO] [stdout] 127 | | let result: Message = channel.recv().unwrap(); [INFO] [stdout] 128 | | let mut members = members.lock().unwrap(); [INFO] [stdout] 129 | | let mut stream = stream.lock().unwrap(); [INFO] [stdout] ... | [INFO] [stdout] 150 | | Mutex::unlock(stream); [INFO] [stdout] 151 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 154 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.70s [INFO] running `Command { std: "docker" "inspect" "20889ce52e0d396f00e8fa0b0614310672e343a23f203909b1b8c129362ce552", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20889ce52e0d396f00e8fa0b0614310672e343a23f203909b1b8c129362ce552", kill_on_drop: false }` [INFO] [stdout] 20889ce52e0d396f00e8fa0b0614310672e343a23f203909b1b8c129362ce552