[INFO] cloning repository https://github.com/miahmohd/Fly-io-Challenges [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/miahmohd/Fly-io-Challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiahmohd%2FFly-io-Challenges", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiahmohd%2FFly-io-Challenges'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4bbbf1a07f0991aecaf9248dcb7d41b3124af072 [INFO] checking miahmohd/Fly-io-Challenges against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiahmohd%2FFly-io-Challenges" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/miahmohd/Fly-io-Challenges on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/miahmohd/Fly-io-Challenges [INFO] finished tweaking git repo https://github.com/miahmohd/Fly-io-Challenges [INFO] tweaked toml for git repo https://github.com/miahmohd/Fly-io-Challenges written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/miahmohd/Fly-io-Challenges 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a76126ef88c010a274c93a6933a0ecab4e30b3c24a104adb2167f5554da1c30d [INFO] running `Command { std: "docker" "start" "-a" "a76126ef88c010a274c93a6933a0ecab4e30b3c24a104adb2167f5554da1c30d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a76126ef88c010a274c93a6933a0ecab4e30b3c24a104adb2167f5554da1c30d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a76126ef88c010a274c93a6933a0ecab4e30b3c24a104adb2167f5554da1c30d", kill_on_drop: false }` [INFO] [stdout] a76126ef88c010a274c93a6933a0ecab4e30b3c24a104adb2167f5554da1c30d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 435383e25fcad60dab536f3aedbbbca1f133361e4a3c977c5de84f78174b1322 [INFO] running `Command { std: "docker" "start" "-a" "435383e25fcad60dab536f3aedbbbca1f133361e4a3c977c5de84f78174b1322", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.70 [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Compiling serde v1.0.193 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling syn v2.0.41 [INFO] [stderr] Checking getrandom v0.2.11 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling serde_derive v1.0.193 [INFO] [stderr] Checking serde_json v1.0.108 [INFO] [stderr] Checking flyio v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/bin/broadcast.rs:215:9 [INFO] [stdout] | [INFO] [stdout] 215 | let i = node [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/bin/broadcast.rs:215:9 [INFO] [stdout] | [INFO] [stdout] 215 | let i = node [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.59s [INFO] running `Command { std: "docker" "inspect" "435383e25fcad60dab536f3aedbbbca1f133361e4a3c977c5de84f78174b1322", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "435383e25fcad60dab536f3aedbbbca1f133361e4a3c977c5de84f78174b1322", kill_on_drop: false }` [INFO] [stdout] 435383e25fcad60dab536f3aedbbbca1f133361e4a3c977c5de84f78174b1322 [INFO] checking miahmohd/Fly-io-Challenges against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiahmohd%2FFly-io-Challenges" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/miahmohd/Fly-io-Challenges on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/miahmohd/Fly-io-Challenges [INFO] finished tweaking git repo https://github.com/miahmohd/Fly-io-Challenges [INFO] tweaked toml for git repo https://github.com/miahmohd/Fly-io-Challenges written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/miahmohd/Fly-io-Challenges 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ef770b0f44aa341f7758e00324498dd61be9d557202cb1482e2c6231dcf716ed [INFO] running `Command { std: "docker" "start" "-a" "ef770b0f44aa341f7758e00324498dd61be9d557202cb1482e2c6231dcf716ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ef770b0f44aa341f7758e00324498dd61be9d557202cb1482e2c6231dcf716ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef770b0f44aa341f7758e00324498dd61be9d557202cb1482e2c6231dcf716ed", kill_on_drop: false }` [INFO] [stdout] ef770b0f44aa341f7758e00324498dd61be9d557202cb1482e2c6231dcf716ed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 65c646d1492b2b0c6ff7e0b64d77db72919660976ea9f5cd29364bc2f9e0dc8f [INFO] running `Command { std: "docker" "start" "-a" "65c646d1492b2b0c6ff7e0b64d77db72919660976ea9f5cd29364bc2f9e0dc8f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.70 [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Compiling serde v1.0.193 [INFO] [stderr] Compiling anyhow v1.0.75 [INFO] [stderr] Compiling serde_json v1.0.108 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Checking getrandom v0.2.11 [INFO] [stderr] Compiling syn v2.0.41 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling serde_derive v1.0.193 [INFO] [stderr] Checking flyio v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0283]: type annotations needed for `JoinHandle` [INFO] [stdout] --> src/bin/broadcast.rs:74:9 [INFO] [stdout] | [INFO] [stdout] 74 | let g_th = thread::spawn(move || loop { [INFO] [stdout] | _________^^^^___- [INFO] [stdout] 75 | | let mut rng = rand::thread_rng(); [INFO] [stdout] 76 | | thread::sleep(Duration::from_millis(100 + rng.gen_range(0..200))); [INFO] [stdout] 77 | | let _ = g_tx.send(Event::Gossip); [INFO] [stdout] 78 | | }); [INFO] [stdout] | |______- type must be known at this point [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `_: Send` [INFO] [stdout] note: required by a bound in `spawn` [INFO] [stdout] --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/thread/mod.rs:672:1 [INFO] [stdout] help: consider giving `g_th` an explicit type, where the type for type parameter `T` is specified [INFO] [stdout] | [INFO] [stdout] 74 | let g_th: JoinHandle = thread::spawn(move || loop { [INFO] [stdout] | +++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed for `JoinHandle` [INFO] [stdout] --> src/bin/broadcast.rs:74:9 [INFO] [stdout] | [INFO] [stdout] 74 | let g_th = thread::spawn(move || loop { [INFO] [stdout] | _________^^^^___- [INFO] [stdout] 75 | | let mut rng = rand::thread_rng(); [INFO] [stdout] 76 | | thread::sleep(Duration::from_millis(100 + rng.gen_range(0..200))); [INFO] [stdout] 77 | | let _ = g_tx.send(Event::Gossip); [INFO] [stdout] 78 | | }); [INFO] [stdout] | |______- type must be known at this point [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `_: Send` [INFO] [stdout] note: required by a bound in `spawn` [INFO] [stdout] --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/thread/mod.rs:672:1 [INFO] [stdout] help: consider giving `g_th` an explicit type, where the type for type parameter `T` is specified [INFO] [stdout] | [INFO] [stdout] 74 | let g_th: JoinHandle = thread::spawn(move || loop { [INFO] [stdout] | +++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/bin/broadcast.rs:215:9 [INFO] [stdout] | [INFO] [stdout] 215 | let i = node [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/bin/broadcast.rs:215:9 [INFO] [stdout] | [INFO] [stdout] 215 | let i = node [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0283`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0283`. [INFO] [stdout] [INFO] [stderr] error: could not compile `flyio` (bin "broadcast") due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `flyio` (bin "broadcast" test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "65c646d1492b2b0c6ff7e0b64d77db72919660976ea9f5cd29364bc2f9e0dc8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65c646d1492b2b0c6ff7e0b64d77db72919660976ea9f5cd29364bc2f9e0dc8f", kill_on_drop: false }` [INFO] [stdout] 65c646d1492b2b0c6ff7e0b64d77db72919660976ea9f5cd29364bc2f9e0dc8f