[INFO] fetching crate panic-control 0.1.4...
[INFO] checking panic-control-0.1.4 against beta for pr-78714
[INFO] extracting crate panic-control 0.1.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate panic-control 0.1.4 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 panic-control 0.1.4
[INFO] finished tweaking crates.io crate panic-control 0.1.4
[INFO] tweaked toml for crates.io crate panic-control 0.1.4 written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] cfd8271a6b507b851b79fc3de5e1e08e0adbdb0348ff3ab19976d853f526e362
[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" "cfd8271a6b507b851b79fc3de5e1e08e0adbdb0348ff3ab19976d853f526e362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfd8271a6b507b851b79fc3de5e1e08e0adbdb0348ff3ab19976d853f526e362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfd8271a6b507b851b79fc3de5e1e08e0adbdb0348ff3ab19976d853f526e362", kill_on_drop: false }`
[INFO] [stdout] cfd8271a6b507b851b79fc3de5e1e08e0adbdb0348ff3ab19976d853f526e362
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 2023aca3d4e8b162bad5b15161cec9e110bf15c27ab8f9d3a0e69183a2e3aaf2
[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" "2023aca3d4e8b162bad5b15161cec9e110bf15c27ab8f9d3a0e69183a2e3aaf2", kill_on_drop: false }`
[INFO] [stderr]     Checking panic-control v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/panic_control.rs:520:29
[INFO] [stdout]     |
[INFO] [stdout] 520 | fn str_from_any(something: &Any) -> Option<&str> {
[INFO] [stdout]     |                             ^^^ help: use `dyn`: `dyn Any`
[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/panic_control.rs:530:33
[INFO] [stdout]     |
[INFO] [stdout] 530 | fn propagate_panic(box_any: Box<Any + Send>) -> ! {
[INFO] [stdout]     |                                 ^^^^^^^^^^ help: use `dyn`: `dyn Any + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/panic_control.rs:123:23
[INFO] [stdout]     |
[INFO] [stdout] 123 | use std::sync::{Once, ONCE_INIT};
[INFO] [stdout]     |                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/panic_control.rs:753:30
[INFO] [stdout]     |
[INFO] [stdout] 753 |     static HOOK_ONCE: Once = ONCE_INIT;
[INFO] [stdout]     |                              ^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/panic_control.rs:520:29
[INFO] [stdout]     |
[INFO] [stdout] 520 | fn str_from_any(something: &Any) -> Option<&str> {
[INFO] [stdout]     |                             ^^^ help: use `dyn`: `dyn Any`
[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/panic_control.rs:530:33
[INFO] [stdout]     |
[INFO] [stdout] 530 | fn propagate_panic(box_any: Box<Any + Send>) -> ! {
[INFO] [stdout]     |                                 ^^^^^^^^^^ help: use `dyn`: `dyn Any + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/panic_control.rs:123:23
[INFO] [stdout]     |
[INFO] [stdout] 123 | use std::sync::{Once, ONCE_INIT};
[INFO] [stdout]     |                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/panic_control.rs:753:30
[INFO] [stdout]     |
[INFO] [stdout] 753 |     static HOOK_ONCE: Once = ONCE_INIT;
[INFO] [stdout]     |                              ^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/panic_control.rs:873:27
[INFO] [stdout]     |
[INFO] [stdout] 873 |     use std::sync::{Once, ONCE_INIT};
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/panic_control.rs:880:30
[INFO] [stdout]     |
[INFO] [stdout] 880 |         static GUARD: Once = ONCE_INIT;
[INFO] [stdout]     |                              ^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "2023aca3d4e8b162bad5b15161cec9e110bf15c27ab8f9d3a0e69183a2e3aaf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2023aca3d4e8b162bad5b15161cec9e110bf15c27ab8f9d3a0e69183a2e3aaf2", kill_on_drop: false }`
[INFO] [stdout] 2023aca3d4e8b162bad5b15161cec9e110bf15c27ab8f9d3a0e69183a2e3aaf2