[INFO] fetching crate clear_on_drop 0.2.4... [INFO] checking clear_on_drop-0.2.4 against beta for pr-78714 [INFO] extracting crate clear_on_drop 0.2.4 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate clear_on_drop 0.2.4 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 crates.io crate clear_on_drop 0.2.4 [INFO] finished tweaking crates.io crate clear_on_drop 0.2.4 [INFO] tweaked toml for crates.io crate clear_on_drop 0.2.4 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 98ef878573e87c93b231801869ed90e8d1a703d4f308154baad87d38b2c3bea6 [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" "98ef878573e87c93b231801869ed90e8d1a703d4f308154baad87d38b2c3bea6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "98ef878573e87c93b231801869ed90e8d1a703d4f308154baad87d38b2c3bea6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98ef878573e87c93b231801869ed90e8d1a703d4f308154baad87d38b2c3bea6", kill_on_drop: false }` [INFO] [stdout] 98ef878573e87c93b231801869ed90e8d1a703d4f308154baad87d38b2c3bea6 [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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f87425b1b65c10a70a0fecde115a8e731d2a417b87fa180cb99344862c22ebaf [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" "f87425b1b65c10a70a0fecde115a8e731d2a417b87fa180cb99344862c22ebaf", kill_on_drop: false }` [INFO] [stderr] Compiling clear_on_drop v0.2.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/clear_stack_on_return.rs:30:21 [INFO] [stdout] | [INFO] [stdout] 30 | hide_ptr::<&mut FnMut() -> R>(&mut f)() [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> R` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/clear_stack_on_return.rs:30:21 [INFO] [stdout] | [INFO] [stdout] 30 | hide_ptr::<&mut FnMut() -> R>(&mut f)() [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> R` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> benches/clear_on_drop.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(test)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> benches/clear_stack_on_return.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(test)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `clear_on_drop` [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "f87425b1b65c10a70a0fecde115a8e731d2a417b87fa180cb99344862c22ebaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f87425b1b65c10a70a0fecde115a8e731d2a417b87fa180cb99344862c22ebaf", kill_on_drop: false }` [INFO] [stdout] f87425b1b65c10a70a0fecde115a8e731d2a417b87fa180cb99344862c22ebaf