[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] testing SirVer/mioco_bug against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSirVer%2Fmioco_bug" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/SirVer/mioco_bug on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-12/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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded owning_ref v0.2.0 [INFO] [stderr] Downloaded miow v0.1.3 [INFO] [stderr] Downloaded bitflags v0.4.0 [INFO] [stderr] Downloaded spin v0.4.3 [INFO] [stderr] Downloaded nix v0.5.1 [INFO] [stderr] Downloaded slab v0.2.0 [INFO] [stderr] Downloaded bytes v0.3.0 [INFO] [stderr] Downloaded nix v0.6.0 [INFO] [stderr] Downloaded net2 v0.2.26 [INFO] [stderr] Downloaded mioco v0.8.0 [INFO] [stderr] Downloaded context v1.0.0 [INFO] [stderr] Downloaded libc v0.2.15 [INFO] [stderr] Downloaded thread-scoped v1.0.1 [INFO] [stderr] Downloaded time v0.1.35 [INFO] [stderr] Downloaded slab v0.1.3 [INFO] [stderr] Downloaded num_cpus v0.2.13 [INFO] [stderr] Downloaded mio v0.5.1 [INFO] [stderr] Downloaded gcc v0.3.32 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] 0312035fecf3354c6fa48a30f6f2e070259afa5f82956fbac4626747aa78f022 [INFO] running `Command { std: "docker" "start" "-a" "0312035fecf3354c6fa48a30f6f2e070259afa5f82956fbac4626747aa78f022", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0312035fecf3354c6fa48a30f6f2e070259afa5f82956fbac4626747aa78f022", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0312035fecf3354c6fa48a30f6f2e070259afa5f82956fbac4626747aa78f022", kill_on_drop: false }` [INFO] [stdout] 0312035fecf3354c6fa48a30f6f2e070259afa5f82956fbac4626747aa78f022 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 964d52c1a43436022ec2c88d6b30e95282f4db779e1c8a5a726dc0a01d1b9f2f [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" "964d52c1a43436022ec2c88d6b30e95282f4db779e1c8a5a726dc0a01d1b9f2f", kill_on_drop: false }` [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Compiling cfg-if v0.1.0 [INFO] [stderr] Compiling gcc v0.3.32 [INFO] [stderr] Compiling bitflags v0.4.0 [INFO] [stderr] Compiling bytes v0.3.0 [INFO] [stderr] Compiling slab v0.1.3 [INFO] [stderr] Compiling log v0.3.6 [INFO] [stderr] Compiling slab v0.2.0 [INFO] [stderr] Compiling thread-scoped v1.0.1 [INFO] [stderr] Compiling owning_ref v0.2.0 [INFO] [stderr] Compiling spin v0.4.3 [INFO] [stderr] Compiling ws2_32-sys v0.2.1 [INFO] [stderr] Compiling num_cpus v0.2.13 [INFO] [stderr] Compiling time v0.1.35 [INFO] [stderr] Compiling nix v0.5.1 [INFO] [stderr] Compiling net2 v0.2.26 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Compiling miow v0.1.3 [INFO] [stderr] Compiling context v1.0.0 [INFO] [stderr] Compiling nix v0.6.0 [INFO] [stderr] Compiling mio v0.5.1 [INFO] [stderr] Compiling mioco v0.8.0 [INFO] [stdout] error[E0446]: private type `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] | ---------------------- `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 `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] | ---------------- `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` due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "964d52c1a43436022ec2c88d6b30e95282f4db779e1c8a5a726dc0a01d1b9f2f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "964d52c1a43436022ec2c88d6b30e95282f4db779e1c8a5a726dc0a01d1b9f2f", kill_on_drop: false }` [INFO] [stdout] 964d52c1a43436022ec2c88d6b30e95282f4db779e1c8a5a726dc0a01d1b9f2f