[INFO] fetching crate clear_on_drop 0.2.4...
[INFO] checking clear_on_drop-0.2.4 against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846
[INFO] extracting crate clear_on_drop 0.2.4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate clear_on_drop 0.2.4 on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "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-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ad7eb5b04e84f07cf5ed1bfe2d10ac8763289d224d2c3a30fe8daa2fa9fdfb9
[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" "6ad7eb5b04e84f07cf5ed1bfe2d10ac8763289d224d2c3a30fe8daa2fa9fdfb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ad7eb5b04e84f07cf5ed1bfe2d10ac8763289d224d2c3a30fe8daa2fa9fdfb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ad7eb5b04e84f07cf5ed1bfe2d10ac8763289d224d2c3a30fe8daa2fa9fdfb9", kill_on_drop: false }`
[INFO] [stdout] 6ad7eb5b04e84f07cf5ed1bfe2d10ac8763289d224d2c3a30fe8daa2fa9fdfb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] f3afec83b283ba42d71380125453fe90feff1b3b64a7ac60a7b5a87167b53780
[INFO] running `Command { std: "docker" "start" "-a" "f3afec83b283ba42d71380125453fe90feff1b3b64a7ac60a7b5a87167b53780", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.58
[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] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.55s
[INFO] running `Command { std: "docker" "inspect" "f3afec83b283ba42d71380125453fe90feff1b3b64a7ac60a7b5a87167b53780", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3afec83b283ba42d71380125453fe90feff1b3b64a7ac60a7b5a87167b53780", kill_on_drop: false }`
[INFO] [stdout] f3afec83b283ba42d71380125453fe90feff1b3b64a7ac60a7b5a87167b53780