[INFO] fetching crate zelda 0.1.1... [INFO] testing zelda-0.1.1 against 1.49.0 for beta-1.50-1 [INFO] extracting crate zelda 0.1.1 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate zelda 0.1.1 on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate zelda 0.1.1 [INFO] finished tweaking crates.io crate zelda 0.1.1 [INFO] tweaked toml for crates.io crate zelda 0.1.1 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 04514a9daf6a1a996dfef44e135ad0164198baccb6eaefa2ac378a7f9eaedc1a [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" "04514a9daf6a1a996dfef44e135ad0164198baccb6eaefa2ac378a7f9eaedc1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "04514a9daf6a1a996dfef44e135ad0164198baccb6eaefa2ac378a7f9eaedc1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04514a9daf6a1a996dfef44e135ad0164198baccb6eaefa2ac378a7f9eaedc1a", kill_on_drop: false }` [INFO] [stdout] 04514a9daf6a1a996dfef44e135ad0164198baccb6eaefa2ac378a7f9eaedc1a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c19d20443a7953320086a64d751f949e2352f9464dd9dd06818b4cfb2aae820d [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" "c19d20443a7953320086a64d751f949e2352f9464dd9dd06818b4cfb2aae820d", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling syn v1.0.57 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling linked-hash-map v0.5.3 [INFO] [stderr] Compiling owning_ref v0.3.3 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling smallvec v0.6.13 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Compiling crossbeam-channel v0.4.4 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling parking_lot_core v0.2.14 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling parking_lot v0.4.8 [INFO] [stderr] Compiling crossbeam v0.7.3 [INFO] [stderr] Compiling chashmap v2.2.2 [INFO] [stderr] Compiling bincode v1.3.1 [INFO] [stderr] Compiling zelda v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 47.43s [INFO] running `Command { std: "docker" "inspect" "c19d20443a7953320086a64d751f949e2352f9464dd9dd06818b4cfb2aae820d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c19d20443a7953320086a64d751f949e2352f9464dd9dd06818b4cfb2aae820d", kill_on_drop: false }` [INFO] [stdout] c19d20443a7953320086a64d751f949e2352f9464dd9dd06818b4cfb2aae820d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6c0ac7056792854f905ac0fa1e5f538879e4d747d2e0d7b6cb962f6569f241bc [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" "6c0ac7056792854f905ac0fa1e5f538879e4d747d2e0d7b6cb962f6569f241bc", kill_on_drop: false }` [INFO] [stderr] Compiling zelda v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.16s [INFO] running `Command { std: "docker" "inspect" "6c0ac7056792854f905ac0fa1e5f538879e4d747d2e0d7b6cb962f6569f241bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c0ac7056792854f905ac0fa1e5f538879e4d747d2e0d7b6cb962f6569f241bc", kill_on_drop: false }` [INFO] [stdout] 6c0ac7056792854f905ac0fa1e5f538879e4d747d2e0d7b6cb962f6569f241bc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] be024c0cb198a745e3088846d7f3190fe017be17a041341bd8ec028679e06600 [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" "be024c0cb198a745e3088846d7f3190fe017be17a041341bd8ec028679e06600", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/zelda-a78873a4e68203f9 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::sending_and_receiving ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests zelda [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 5) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 5) stdout ---- [INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `=>` [INFO] [stdout] --> src/lib.rs:23:28 [INFO] [stdout] | [INFO] [stdout] 21 | Event::Connected(addr) => { [INFO] [stdout] | ^^ expected one of `.`, `;`, `?`, `}`, or an operator [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `Try`) [INFO] [stdout] --> src/lib.rs:12:15 [INFO] [stdout] | [INFO] [stdout] 3 | / fn main() { [INFO] [stdout] 4 | | use std::net::SocketAddr; [INFO] [stdout] 5 | | use crossbeam::channel::{Sender, Receiver}; [INFO] [stdout] 6 | | use zelda::{Socket, Config, Packet, Event}; [INFO] [stdout] ... | [INFO] [stdout] 10 | | let socket1 = Socket::bind(socket_address, Config::default())?; [INFO] [stdout] | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] ... | [INFO] [stdout] 31 | | } [INFO] [stdout] 32 | | } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `Try` is not implemented for `()` [INFO] [stdout] = note: required by `from_error` [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `Try`) [INFO] [stdout] --> src/lib.rs:13:15 [INFO] [stdout] | [INFO] [stdout] 3 | / fn main() { [INFO] [stdout] 4 | | use std::net::SocketAddr; [INFO] [stdout] 5 | | use crossbeam::channel::{Sender, Receiver}; [INFO] [stdout] 6 | | use zelda::{Socket, Config, Packet, Event}; [INFO] [stdout] ... | [INFO] [stdout] 11 | | let socket2 = Socket::bind_any(Config::default())?; [INFO] [stdout] | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] ... | [INFO] [stdout] 31 | | } [INFO] [stdout] 32 | | } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `Try` is not implemented for `()` [INFO] [stdout] = note: required by `from_error` [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 5) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "be024c0cb198a745e3088846d7f3190fe017be17a041341bd8ec028679e06600", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be024c0cb198a745e3088846d7f3190fe017be17a041341bd8ec028679e06600", kill_on_drop: false }` [INFO] [stdout] be024c0cb198a745e3088846d7f3190fe017be17a041341bd8ec028679e06600