[INFO] fetching crate safer_owning_ref 0.5.0...
[INFO] checking safer_owning_ref-0.5.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate safer_owning_ref 0.5.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate safer_owning_ref 0.5.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate safer_owning_ref 0.5.0
[INFO] finished tweaking crates.io crate safer_owning_ref 0.5.0
[INFO] tweaked toml for crates.io crate safer_owning_ref 0.5.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa0a25c12934a8e35de6676f2d8b0236767453e091162d2e62071a40653a26c1
[INFO] running `Command { std: "docker" "start" "-a" "aa0a25c12934a8e35de6676f2d8b0236767453e091162d2e62071a40653a26c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa0a25c12934a8e35de6676f2d8b0236767453e091162d2e62071a40653a26c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa0a25c12934a8e35de6676f2d8b0236767453e091162d2e62071a40653a26c1", kill_on_drop: false }`
[INFO] [stdout] aa0a25c12934a8e35de6676f2d8b0236767453e091162d2e62071a40653a26c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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 -Dtail_expr_drop_order" "-e" "RUSTDOCFLAGS=--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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfa3f0df26249c42accaf8bfd55ea52e5dd034d422da053e8bca630b8818b4c3
[INFO] running `Command { std: "docker" "start" "-a" "cfa3f0df26249c42accaf8bfd55ea52e5dd034d422da053e8bca630b8818b4c3", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking safer_owning_ref v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1141:28
[INFO] [stdout]      |
[INFO] [stdout] 1141 |     where O: Send, for<'a> (&'a T): Send {}
[INFO] [stdout]      |                            ^     ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1141 -     where O: Send, for<'a> (&'a T): Send {}
[INFO] [stdout] 1141 +     where O: Send, for<'a> &'a T: Send {}
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1143:28
[INFO] [stdout]      |
[INFO] [stdout] 1143 |     where O: Sync, for<'a> (&'a T): Sync {}
[INFO] [stdout]      |                            ^     ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1143 -     where O: Sync, for<'a> (&'a T): Sync {}
[INFO] [stdout] 1143 +     where O: Sync, for<'a> &'a T: Sync {}
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1146:28
[INFO] [stdout]      |
[INFO] [stdout] 1146 |     where O: Send, for<'a> (&'a mut T): Send {}
[INFO] [stdout]      |                            ^         ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1146 -     where O: Send, for<'a> (&'a mut T): Send {}
[INFO] [stdout] 1146 +     where O: Send, for<'a> &'a mut T: Send {}
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1148:28
[INFO] [stdout]      |
[INFO] [stdout] 1148 |     where O: Sync, for<'a> (&'a mut T): Sync {}
[INFO] [stdout]      |                            ^         ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1148 -     where O: Sync, for<'a> (&'a mut T): Sync {}
[INFO] [stdout] 1148 +     where O: Sync, for<'a> &'a mut T: Sync {}
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1141:28
[INFO] [stdout]      |
[INFO] [stdout] 1141 |     where O: Send, for<'a> (&'a T): Send {}
[INFO] [stdout]      |                            ^     ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1141 -     where O: Send, for<'a> (&'a T): Send {}
[INFO] [stdout] 1141 +     where O: Send, for<'a> &'a T: Send {}
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1143:28
[INFO] [stdout]      |
[INFO] [stdout] 1143 |     where O: Sync, for<'a> (&'a T): Sync {}
[INFO] [stdout]      |                            ^     ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1143 -     where O: Sync, for<'a> (&'a T): Sync {}
[INFO] [stdout] 1143 +     where O: Sync, for<'a> &'a T: Sync {}
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1146:28
[INFO] [stdout]      |
[INFO] [stdout] 1146 |     where O: Send, for<'a> (&'a mut T): Send {}
[INFO] [stdout]      |                            ^         ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1146 -     where O: Send, for<'a> (&'a mut T): Send {}
[INFO] [stdout] 1146 +     where O: Send, for<'a> &'a mut T: Send {}
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]     --> src/lib.rs:1148:28
[INFO] [stdout]      |
[INFO] [stdout] 1148 |     where O: Sync, for<'a> (&'a mut T): Sync {}
[INFO] [stdout]      |                            ^         ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1148 -     where O: Sync, for<'a> (&'a mut T): Sync {}
[INFO] [stdout] 1148 +     where O: Sync, for<'a> &'a mut T: Sync {}
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `OwningRefMut::<'t, O, T>::map`: unsafe function. can create aliased references
[INFO] [stdout]     --> src/lib.rs:1778:50
[INFO] [stdout]      |
[INFO] [stdout] 1778 |             let or: BoxRef<_, str> = unsafe { or.map(|_| "hello") };
[INFO] [stdout]      |                                                  ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `OwningRefMut::<'t, O, T>::as_owner`: unsafe function. can create aliased references
[INFO] [stdout]     --> src/lib.rs:1843:40
[INFO] [stdout]      |
[INFO] [stdout] 1843 |             assert_eq!(&** unsafe { or.as_owner() }, "hello world");
[INFO] [stdout]      |                                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `OwningRefMut::<'t, O, T>::map`: unsafe function. can create aliased references
[INFO] [stdout]     --> src/lib.rs:2055:46
[INFO] [stdout]      |
[INFO] [stdout] 2055 |             let or: BoxRef<()> = unsafe { or.map(|x| x) };
[INFO] [stdout]      |                                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged
[INFO] [stdout]     --> src/lib.rs:1804:53
[INFO] [stdout]      |
[INFO] [stdout] 1804 |             let mut_s: &'static mut [u8] = unsafe { &mut MUT_S };
[INFO] [stdout]      |                                                     ^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]      |
[INFO] [stdout]      = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]      = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]      = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] help: use `&raw mut` instead to create a raw pointer
[INFO] [stdout]      |
[INFO] [stdout] 1804 |             let mut_s: &'static mut [u8] = unsafe { &raw mut MUT_S };
[INFO] [stdout]      |                                                     ~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "cfa3f0df26249c42accaf8bfd55ea52e5dd034d422da053e8bca630b8818b4c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfa3f0df26249c42accaf8bfd55ea52e5dd034d422da053e8bca630b8818b4c3", kill_on_drop: false }`
[INFO] [stdout] cfa3f0df26249c42accaf8bfd55ea52e5dd034d422da053e8bca630b8818b4c3