[INFO] cloning repository https://github.com/SirVer/mioco_bug [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SirVer/mioco_bug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSirVer%2Fmioco_bug", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSirVer%2Fmioco_bug'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 25905b4b339a8ac866ec1949d6a47535e3489105 [INFO] documenting SirVer/mioco_bug against 1.46.0 for beta-1.47-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSirVer%2Fmioco_bug" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/SirVer/mioco_bug on toolchain 1.46.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/SirVer/mioco_bug [INFO] finished tweaking git repo https://github.com/SirVer/mioco_bug [INFO] tweaked toml for git repo https://github.com/SirVer/mioco_bug written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/SirVer/mioco_bug already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4328249a6674f16517b88039e2985cd4e439f718aac2cf30e21c4d2adcc1e6f9 [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" "4328249a6674f16517b88039e2985cd4e439f718aac2cf30e21c4d2adcc1e6f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4328249a6674f16517b88039e2985cd4e439f718aac2cf30e21c4d2adcc1e6f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4328249a6674f16517b88039e2985cd4e439f718aac2cf30e21c4d2adcc1e6f9", kill_on_drop: false }` [INFO] [stdout] 4328249a6674f16517b88039e2985cd4e439f718aac2cf30e21c4d2adcc1e6f9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "RUSTDOCFLAGS=--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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fc757b3f01fa3572319d8e30342fedfac0b5e5bd9baacc3f4e5102554ecad414 [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" "fc757b3f01fa3572319d8e30342fedfac0b5e5bd9baacc3f4e5102554ecad414", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.15 [INFO] [stderr] Compiling gcc v0.3.32 [INFO] [stderr] Checking owning_ref v0.2.0 [INFO] [stderr] Checking thread-scoped v1.0.1 [INFO] [stderr] Checking slab v0.2.0 [INFO] [stderr] Checking spin v0.4.3 [INFO] [stderr] Compiling nix v0.6.0 [INFO] [stderr] Checking net2 v0.2.26 [INFO] [stderr] Checking nix v0.5.1 [INFO] [stderr] Checking time v0.1.35 [INFO] [stderr] Checking num_cpus v0.2.13 [INFO] [stderr] Compiling context v1.0.0 [INFO] [stderr] Checking miow v0.1.3 [INFO] [stderr] Checking mio v0.5.1 [INFO] [stderr] Checking mioco v0.8.0 [INFO] [stdout] error[E0446]: private type `src::sync::mpsc::ReceiverCore` in public interface [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mioco-0.8.0/src/sync/mpsc.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 26 | struct ReceiverCore { [INFO] [stdout] | - `src::sync::mpsc::ReceiverCore` declared as private [INFO] [stdout] ... [INFO] [stdout] 35 | type Raw = ReceiverCore; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0446]: private type `src::timer::TimerCore` in public interface [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mioco-0.8.0/src/timer.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 18 | struct TimerCore { [INFO] [stdout] | - `src::timer::TimerCore` declared as private [INFO] [stdout] ... [INFO] [stdout] 47 | type Raw = TimerCore; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ can't leak private type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0446`. [INFO] [stdout] [INFO] [stderr] error: could not compile `mioco`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "fc757b3f01fa3572319d8e30342fedfac0b5e5bd9baacc3f4e5102554ecad414", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc757b3f01fa3572319d8e30342fedfac0b5e5bd9baacc3f4e5102554ecad414", kill_on_drop: false }` [INFO] [stdout] fc757b3f01fa3572319d8e30342fedfac0b5e5bd9baacc3f4e5102554ecad414