[INFO] fetching crate xstd 0.2.0... [INFO] checking xstd-0.2.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] extracting crate xstd 0.2.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate xstd 0.2.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate xstd 0.2.0 [INFO] finished tweaking crates.io crate xstd 0.2.0 [INFO] tweaked toml for crates.io crate xstd 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9e10cb5513aaa3f1245d59823839aa7e52e8229484a5121b4ab4b4be95067c2e [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" "9e10cb5513aaa3f1245d59823839aa7e52e8229484a5121b4ab4b4be95067c2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9e10cb5513aaa3f1245d59823839aa7e52e8229484a5121b4ab4b4be95067c2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e10cb5513aaa3f1245d59823839aa7e52e8229484a5121b4ab4b4be95067c2e", kill_on_drop: false }` [INFO] [stdout] 9e10cb5513aaa3f1245d59823839aa7e52e8229484a5121b4ab4b4be95067c2e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b67c33f5ba522ab4c7e14014876841c891c6aad69b586b4e4f39e3778303ab53 [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" "b67c33f5ba522ab4c7e14014876841c891c6aad69b586b4e4f39e3778303ab53", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling futures-task v0.3.16 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Checking slab v0.4.3 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Checking xstd v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/vec.rs:21:14 [INFO] [stdout] | [INFO] [stdout] 21 | .intersperse(&"\n") [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `intersperse_iter::IntersperseIterAdapter::intersperse(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `intersperse` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/vec.rs:45:14 [INFO] [stdout] | [INFO] [stdout] 45 | .intersperse(&" ") [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `intersperse_iter::IntersperseIterAdapter::intersperse(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(iter_intersperse)]` to the crate attributes to enable `intersperse` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: missing documentation for a trait [INFO] [stdout] --> src/iter/intersperse_iter.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | pub trait IntersperseIterAdapter: Iterator { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | #! [deny(missing_docs)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: missing documentation for an associated function [INFO] [stdout] --> src/iter/intersperse_iter.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | / fn intersperse(self, elem: Self::Item) -> IntersperseIter [INFO] [stdout] 3 | | where [INFO] [stdout] 4 | | Self: Sized, [INFO] [stdout] 5 | | Self::Item: Clone, [INFO] [stdout] 6 | | { [INFO] [stdout] 7 | | IntersperseIter::new(self, elem) [INFO] [stdout] 8 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: missing documentation for a trait [INFO] [stdout] --> src/iter/memento_iter.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | pub trait MementoIterAdapter: Iterator { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: missing documentation for an associated function [INFO] [stdout] --> src/iter/memento_iter.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | / fn memento(self) -> MementoIter [INFO] [stdout] 3 | | where [INFO] [stdout] 4 | | Self: Sized, [INFO] [stdout] 5 | | Self::Item: Clone, [INFO] [stdout] 6 | | { [INFO] [stdout] 7 | | MementoIter::new(self) [INFO] [stdout] 8 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: missing documentation for an associated function [INFO] [stdout] --> src/vec.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | fn unlines(&self) -> String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: missing documentation for an associated function [INFO] [stdout] --> src/vec.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | fn unwords(&self) -> String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: missing documentation for an associated function [INFO] [stdout] --> src/dynamic.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | fn is_instance_of(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 7 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `xstd` due to 8 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "b67c33f5ba522ab4c7e14014876841c891c6aad69b586b4e4f39e3778303ab53", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b67c33f5ba522ab4c7e14014876841c891c6aad69b586b4e4f39e3778303ab53", kill_on_drop: false }` [INFO] [stdout] b67c33f5ba522ab4c7e14014876841c891c6aad69b586b4e4f39e3778303ab53