[INFO] crate next-gen 0.0.10 is already in cache [INFO] testing next-gen-0.0.10 against 1.45.2 for beta-1.46-1 [INFO] extracting crate next-gen 0.0.10 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate next-gen 0.0.10 on toolchain 1.45.2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate next-gen 0.0.10 [INFO] finished tweaking crates.io crate next-gen 0.0.10 [INFO] tweaked toml for crates.io crate next-gen 0.0.10 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 69d46adece37dd4bf678b5010fb82e03820f2d882321c78f229e3f24fc60f5a1 [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" "69d46adece37dd4bf678b5010fb82e03820f2d882321c78f229e3f24fc60f5a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "69d46adece37dd4bf678b5010fb82e03820f2d882321c78f229e3f24fc60f5a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "69d46adece37dd4bf678b5010fb82e03820f2d882321c78f229e3f24fc60f5a1", kill_on_drop: false }` [INFO] [stdout] 69d46adece37dd4bf678b5010fb82e03820f2d882321c78f229e3f24fc60f5a1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bd05981af56c248729feb9e34d2a03ea4d9d3e5e4da8fb3e3c824e650712c345 [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" "bd05981af56c248729feb9e34d2a03ea4d9d3e5e4da8fb3e3c824e650712c345", kill_on_drop: false }` [INFO] [stderr] Compiling fstrings-proc-macro v0.2.3 [INFO] [stderr] Compiling fstrings v0.2.3 [INFO] [stderr] Compiling next-gen_proc-macro v0.0.10 [INFO] [stderr] Compiling next-gen v0.0.10 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.66s [INFO] running `Command { std: "docker" "inspect" "bd05981af56c248729feb9e34d2a03ea4d9d3e5e4da8fb3e3c824e650712c345", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd05981af56c248729feb9e34d2a03ea4d9d3e5e4da8fb3e3c824e650712c345", kill_on_drop: false }` [INFO] [stdout] bd05981af56c248729feb9e34d2a03ea4d9d3e5e4da8fb3e3c824e650712c345 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2c0765d1a0fa8d8409a43c96d421277204ca2fb3444327b8612c99fe11bd17b4 [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" "2c0765d1a0fa8d8409a43c96d421277204ca2fb3444327b8612c99fe11bd17b4", kill_on_drop: false }` [INFO] [stderr] Compiling next-gen v0.0.10 (/opt/rustwide/workdir) [INFO] [stdout] error: couldn't read tests/../src/proc_macro/doc_examples/generator.rs: No such file or directory (os error 2) [INFO] [stdout] --> tests/proc_macro.rs:8:17 [INFO] [stdout] | [INFO] [stdout] 8 | / include! { [INFO] [stdout] 9 | | concat!( [INFO] [stdout] 10 | | "../src/proc_macro/doc_examples/", [INFO] [stdout] 11 | | stringify!($ident), [INFO] [stdout] 12 | | ".rs", [INFO] [stdout] 13 | | ) [INFO] [stdout] 14 | | } [INFO] [stdout] | |_________________^ [INFO] [stdout] ... [INFO] [stdout] 19 | / test_include! { [INFO] [stdout] 20 | | generator, [INFO] [stdout] 21 | | generator_desugared, [INFO] [stdout] 22 | | } [INFO] [stdout] | |_____- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `next-gen`. [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] warning: unreachable expression [INFO] [stdout] --> src/tests.rs:212:21 [INFO] [stdout] | [INFO] [stdout] 208 | / loop { [INFO] [stdout] 209 | | yield_!(current); [INFO] [stdout] 210 | | current = current.checked_sub(1)?; [INFO] [stdout] 211 | | } [INFO] [stdout] | |_____________________- any code following this expression is unreachable [INFO] [stdout] 212 | None [INFO] [stdout] | ^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `return_iterator_with_concrete_dyn_type` [INFO] [stdout] --> src/tests.rs:190:8 [INFO] [stdout] | [INFO] [stdout] 190 | fn return_iterator_with_concrete_dyn_type () [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "2c0765d1a0fa8d8409a43c96d421277204ca2fb3444327b8612c99fe11bd17b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c0765d1a0fa8d8409a43c96d421277204ca2fb3444327b8612c99fe11bd17b4", kill_on_drop: false }` [INFO] [stdout] 2c0765d1a0fa8d8409a43c96d421277204ca2fb3444327b8612c99fe11bd17b4