[INFO] fetching crate safer_owning_ref 0.5.0...
[INFO] checking safer_owning_ref-0.5.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate safer_owning_ref 0.5.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate safer_owning_ref 0.5.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2c8681cf51497cbca19a56517bf4f10778a108bbc395a7fda89a5c8ac70a87c
[INFO] running `Command { std: "docker" "start" "-a" "a2c8681cf51497cbca19a56517bf4f10778a108bbc395a7fda89a5c8ac70a87c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2c8681cf51497cbca19a56517bf4f10778a108bbc395a7fda89a5c8ac70a87c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2c8681cf51497cbca19a56517bf4f10778a108bbc395a7fda89a5c8ac70a87c", kill_on_drop: false }`
[INFO] [stdout] a2c8681cf51497cbca19a56517bf4f10778a108bbc395a7fda89a5c8ac70a87c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24e6f3aaf61b3044999acaa458145ec6cd693e38135cb93c7b17c1fe2ed3f231
[INFO] running `Command { std: "docker" "start" "-a" "24e6f3aaf61b3044999acaa458145ec6cd693e38135cb93c7b17c1fe2ed3f231", 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: 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 issue #114447 <https://github.com/rust-lang/rust/issues/114447>
[INFO] [stdout]      = note: this will be a hard error in the 2024 edition
[INFO] [stdout]      = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior
[INFO] [stdout]      = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer
[INFO] [stdout]      |
[INFO] [stdout] 1804 |             let mut_s: &'static mut [u8] = unsafe { addr_of_mut!(MUT_S) };
[INFO] [stdout]      |                                                     ~~~~~~~~~~~~~     +
[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: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "24e6f3aaf61b3044999acaa458145ec6cd693e38135cb93c7b17c1fe2ed3f231", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24e6f3aaf61b3044999acaa458145ec6cd693e38135cb93c7b17c1fe2ed3f231", kill_on_drop: false }`
[INFO] [stdout] 24e6f3aaf61b3044999acaa458145ec6cd693e38135cb93c7b17c1fe2ed3f231