[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] checking DanielKeep/calendar-example against beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanielKeep%2Fcalendar-example" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/DanielKeep/calendar-example on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-0/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" "+beta" "fetch" "--locked" "--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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num-traits v0.1.34 [INFO] [stderr] Downloaded itertools v0.4.17 [INFO] [stderr] Downloaded libc v0.2.15 [INFO] [stderr] Downloaded num v0.1.34 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6ce6f4cd3d67f3984e66b18b3253d2f6e918361ddb7f1496230afb19521f11ae [INFO] running `Command { std: "docker" "start" "-a" "6ce6f4cd3d67f3984e66b18b3253d2f6e918361ddb7f1496230afb19521f11ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6ce6f4cd3d67f3984e66b18b3253d2f6e918361ddb7f1496230afb19521f11ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ce6f4cd3d67f3984e66b18b3253d2f6e918361ddb7f1496230afb19521f11ae", kill_on_drop: false }` [INFO] [stdout] 6ce6f4cd3d67f3984e66b18b3253d2f6e918361ddb7f1496230afb19521f11ae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7704048a07cc59ec844c8637fd1895070dd8e3a4134b594dd721267918672ff1 [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" "7704048a07cc59ec844c8637fd1895070dd8e3a4134b594dd721267918672ff1", kill_on_drop: false }` [INFO] [stderr] Checking num-traits v0.1.34 [INFO] [stderr] Checking libc v0.2.15 [INFO] [stderr] Checking itertools v0.4.17 [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] Checking calendar v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> bin.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(conservative_impl_trait)] [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: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[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> bin.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(conservative_impl_trait)] [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: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: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[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[E0282]: type annotations needed [INFO] [stdout] --> bin.rs:506:18 [INFO] [stdout] | [INFO] [stdout] 506 | .map(|r| r.into_iter() [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 6 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0282, E0554, E0562. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `calendar` [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] error[E0282]: type annotations needed [INFO] [stdout] --> bin.rs:506:18 [INFO] [stdout] | [INFO] [stdout] 506 | .map(|r| r.into_iter() [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 6 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0282, E0554, E0562. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "7704048a07cc59ec844c8637fd1895070dd8e3a4134b594dd721267918672ff1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7704048a07cc59ec844c8637fd1895070dd8e3a4134b594dd721267918672ff1", kill_on_drop: false }` [INFO] [stdout] 7704048a07cc59ec844c8637fd1895070dd8e3a4134b594dd721267918672ff1