[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 25905b4b339a8ac866ec1949d6a47535e3489105 [INFO] testing SirVer/mioco_bug against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSirVer%2Fmioco_bug" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/SirVer/mioco_bug on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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-5/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a2c3b2e43deb3a8cdf60bb415e3dbe81724a81df16b8af217477730a28207362 [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" "a2c3b2e43deb3a8cdf60bb415e3dbe81724a81df16b8af217477730a28207362", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a2c3b2e43deb3a8cdf60bb415e3dbe81724a81df16b8af217477730a28207362", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2c3b2e43deb3a8cdf60bb415e3dbe81724a81df16b8af217477730a28207362", kill_on_drop: false }` [INFO] [stdout] a2c3b2e43deb3a8cdf60bb415e3dbe81724a81df16b8af217477730a28207362 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1d08f0b0454c545f60a60a2782c29ce081004c06ebfa9d82d856f5974cd76c64 [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" "1d08f0b0454c545f60a60a2782c29ce081004c06ebfa9d82d856f5974cd76c64", kill_on_drop: false }` [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Compiling libc v0.2.15 [INFO] [stderr] Compiling winapi v0.2.8 [INFO] [stderr] Compiling bitflags v0.4.0 [INFO] [stderr] Compiling gcc v0.3.32 [INFO] [stderr] Compiling slab v0.1.3 [INFO] [stderr] Compiling bytes v0.3.0 [INFO] [stderr] Compiling slab v0.2.0 [INFO] [stderr] Compiling thread-scoped v1.0.1 [INFO] [stderr] Compiling spin v0.4.3 [INFO] [stderr] Compiling owning_ref v0.2.0 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Compiling ws2_32-sys v0.2.1 [INFO] [stderr] Compiling net2 v0.2.26 [INFO] [stderr] Compiling nix v0.5.1 [INFO] [stderr] Compiling nix v0.6.0 [INFO] [stderr] Compiling num_cpus v0.2.13 [INFO] [stderr] Compiling time v0.1.35 [INFO] [stderr] Compiling context v1.0.0 [INFO] [stderr] Compiling miow v0.1.3 [INFO] [stderr] Compiling mio v0.5.1 [INFO] [stderr] Compiling 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" "1d08f0b0454c545f60a60a2782c29ce081004c06ebfa9d82d856f5974cd76c64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d08f0b0454c545f60a60a2782c29ce081004c06ebfa9d82d856f5974cd76c64", kill_on_drop: false }` [INFO] [stdout] 1d08f0b0454c545f60a60a2782c29ce081004c06ebfa9d82d856f5974cd76c64