[INFO] fetching crate clear_on_drop 0.2.4... [INFO] checking clear_on_drop-0.2.4 against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325 [INFO] extracting crate clear_on_drop 0.2.4 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate clear_on_drop 0.2.4 on toolchain fc81ad22c453776de16acf9938976930cf8c9401 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3f9bdde2476f85f60d8160f7dea4ea654d0c2d11c5bfec891e981b0545d304db [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" "3f9bdde2476f85f60d8160f7dea4ea654d0c2d11c5bfec891e981b0545d304db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3f9bdde2476f85f60d8160f7dea4ea654d0c2d11c5bfec891e981b0545d304db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f9bdde2476f85f60d8160f7dea4ea654d0c2d11c5bfec891e981b0545d304db", kill_on_drop: false }` [INFO] [stdout] 3f9bdde2476f85f60d8160f7dea4ea654d0c2d11c5bfec891e981b0545d304db [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0a931a6a9b164197e1ac28d1c6fef0a90f54824259a3150772fed26c378bdedb [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" "0a931a6a9b164197e1ac28d1c6fef0a90f54824259a3150772fed26c378bdedb", 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] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.59s [INFO] running `Command { std: "docker" "inspect" "0a931a6a9b164197e1ac28d1c6fef0a90f54824259a3150772fed26c378bdedb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a931a6a9b164197e1ac28d1c6fef0a90f54824259a3150772fed26c378bdedb", kill_on_drop: false }` [INFO] [stdout] 0a931a6a9b164197e1ac28d1c6fef0a90f54824259a3150772fed26c378bdedb