[INFO] fetching crate singleton-manager 0.1.4...
[INFO] checking singleton-manager-0.1.4 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate singleton-manager 0.1.4 into /workspace/builds/worker-2-tc1/source
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate singleton-manager 0.1.4
[INFO] finished tweaking crates.io crate singleton-manager 0.1.4
[INFO] tweaked toml for crates.io crate singleton-manager 0.1.4 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate singleton-manager 0.1.4 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 22 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c10d46252e28d8805481da58aaddbc493ffb124910adbc189a710cbf9dcb8fca
[INFO] running `Command { std: "docker" "start" "-a" "c10d46252e28d8805481da58aaddbc493ffb124910adbc189a710cbf9dcb8fca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c10d46252e28d8805481da58aaddbc493ffb124910adbc189a710cbf9dcb8fca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c10d46252e28d8805481da58aaddbc493ffb124910adbc189a710cbf9dcb8fca", kill_on_drop: false }`
[INFO] [stdout] c10d46252e28d8805481da58aaddbc493ffb124910adbc189a710cbf9dcb8fca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1369df3c6d596cd412e42221a248a18f5043122b13fcc43b12b7f4cdcc3cbc90
[INFO] running `Command { std: "docker" "start" "-a" "1369df3c6d596cd412e42221a248a18f5043122b13fcc43b12b7f4cdcc3cbc90", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]     Checking uuid v1.18.0
[INFO] [stderr]     Checking singleton-manager v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/lib.rs:174:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |             ONCE.call_once(|| INSTANCE = Cell::new(Some(SingletonManager::new())));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/lib.rs:175:20
[INFO] [stdout]     |
[INFO] [stdout] 175 |             match *INSTANCE.as_ptr() {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:342:23
[INFO] [stdout]     |
[INFO] [stdout] 342 |     fn singleton_get(&'static mut self, alias: &Uuid) -> Result<&mut Box<dyn Any>> {
[INFO] [stdout]     |                       ^^^^^^^ the lifetime is named here        ----------------- the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'static`
[INFO] [stdout]     |
[INFO] [stdout] 342 |     fn singleton_get(&'static mut self, alias: &Uuid) -> Result<&'static mut Box<dyn Any>> {
[INFO] [stdout]     |                                                                  +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:381:17
[INFO] [stdout]     |
[INFO] [stdout] 381 |     fn factory(&'static mut self, alias: &Uuid) -> Result<&mut Box<dyn Any>> {
[INFO] [stdout]     |                 ^^^^^^^ the lifetime is named here        ----------------- the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'static`
[INFO] [stdout]     |
[INFO] [stdout] 381 |     fn factory(&'static mut self, alias: &Uuid) -> Result<&'static mut Box<dyn Any>> {
[INFO] [stdout]     |                                                            +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]    --> src/lib.rs:434:9
[INFO] [stdout]     |
[INFO] [stdout] 434 |     use std::ops::Deref;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/lib.rs:174:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |             ONCE.call_once(|| INSTANCE = Cell::new(Some(SingletonManager::new())));
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/lib.rs:175:20
[INFO] [stdout]     |
[INFO] [stdout] 175 |             match *INSTANCE.as_ptr() {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:342:23
[INFO] [stdout]     |
[INFO] [stdout] 342 |     fn singleton_get(&'static mut self, alias: &Uuid) -> Result<&mut Box<dyn Any>> {
[INFO] [stdout]     |                       ^^^^^^^ the lifetime is named here        ----------------- the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'static`
[INFO] [stdout]     |
[INFO] [stdout] 342 |     fn singleton_get(&'static mut self, alias: &Uuid) -> Result<&'static mut Box<dyn Any>> {
[INFO] [stdout]     |                                                                  +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:381:17
[INFO] [stdout]     |
[INFO] [stdout] 381 |     fn factory(&'static mut self, alias: &Uuid) -> Result<&mut Box<dyn Any>> {
[INFO] [stdout]     |                 ^^^^^^^ the lifetime is named here        ----------------- the same lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'static`
[INFO] [stdout]     |
[INFO] [stdout] 381 |     fn factory(&'static mut self, alias: &Uuid) -> Result<&'static mut Box<dyn Any>> {
[INFO] [stdout]     |                                                            +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `Command { std: "docker" "inspect" "1369df3c6d596cd412e42221a248a18f5043122b13fcc43b12b7f4cdcc3cbc90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1369df3c6d596cd412e42221a248a18f5043122b13fcc43b12b7f4cdcc3cbc90", kill_on_drop: false }`
[INFO] [stdout] 1369df3c6d596cd412e42221a248a18f5043122b13fcc43b12b7f4cdcc3cbc90