[INFO] cloning repository https://github.com/DanielKeep/calendar-example [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DanielKeep/calendar-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanielKeep%2Fcalendar-example", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanielKeep%2Fcalendar-example'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 399f1b0fafac49df5e52a57b350a9c8b09ea046b [INFO] documenting DanielKeep/calendar-example against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanielKeep%2Fcalendar-example" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/DanielKeep/calendar-example on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/DanielKeep/calendar-example [INFO] finished tweaking git repo https://github.com/DanielKeep/calendar-example [INFO] tweaked toml for git repo https://github.com/DanielKeep/calendar-example written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/DanielKeep/calendar-example already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9f7bf01a2e15ba8fb9bec0d7001ebf860cdae52376c9cbdd4fbb999bfdf58c59 [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" "9f7bf01a2e15ba8fb9bec0d7001ebf860cdae52376c9cbdd4fbb999bfdf58c59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9f7bf01a2e15ba8fb9bec0d7001ebf860cdae52376c9cbdd4fbb999bfdf58c59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f7bf01a2e15ba8fb9bec0d7001ebf860cdae52376c9cbdd4fbb999bfdf58c59", kill_on_drop: false }` [INFO] [stdout] 9f7bf01a2e15ba8fb9bec0d7001ebf860cdae52376c9cbdd4fbb999bfdf58c59 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ddb56f095dddb2c9937744558468121059f5474ab8772d047845ff3dc5d343d3 [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" "ddb56f095dddb2c9937744558468121059f5474ab8772d047845ff3dc5d343d3", kill_on_drop: false }` [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking num-traits v0.1.34 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Checking libc v0.2.15 [INFO] [stderr] Checking itertools v0.4.17 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking time v0.1.35 [INFO] [stderr] Checking num-integer v0.1.32 [INFO] [stderr] Checking num-iter v0.1.32 [INFO] [stderr] Checking num v0.1.34 [INFO] [stderr] Checking chrono v0.2.25 [INFO] [stderr] Documenting calendar v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0562]: `impl Trait` not allowed outside of function and inherent method return types [INFO] [stdout] --> bin.rs:386:23 [INFO] [stdout] | [INFO] [stdout] 386 | -> impl FnOnce(It) -> impl Iterator [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0562]: `impl Trait` not allowed outside of function and inherent method return types [INFO] [stdout] --> bin.rs:456:57 [INFO] [stdout] | [INFO] [stdout] 456 | fn chunks(n: usize) -> impl FnOnce(It) -> impl Iterator> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> bin.rs:392:25 [INFO] [stdout] | [INFO] [stdout] 392 | let mut iters = it.collect_vec(); [INFO] [stdout] | ^^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: type must be known at this point [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> bin.rs:468:31 [INFO] [stdout] | [INFO] [stdout] 468 | let first = match it.next() { [INFO] [stdout] | ^^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: type must be known at this point [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0282, E0562. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: Could not document `calendar`. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --crate-type bin --crate-name calendar bin.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-14ee4488c0f4d16b.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-07bf18555849345b.rmeta --cap-lints=forbid` (exit code: 1) [INFO] running `Command { std: "docker" "inspect" "ddb56f095dddb2c9937744558468121059f5474ab8772d047845ff3dc5d343d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ddb56f095dddb2c9937744558468121059f5474ab8772d047845ff3dc5d343d3", kill_on_drop: false }` [INFO] [stdout] ddb56f095dddb2c9937744558468121059f5474ab8772d047845ff3dc5d343d3