[INFO] fetching crate singleton-manager 0.1.4... [INFO] building singleton-manager-0.1.4 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2 [INFO] extracting crate singleton-manager 0.1.4 into /workspace/builds/worker-7-tc2/source [INFO] removed /workspace/builds/worker-7-tc2/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-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate singleton-manager 0.1.4 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dcedf000b20826d10bc387ed3dd4c9e1783ed5222334978fc8d793a39fec547a [INFO] running `Command { std: "docker" "start" "-a" "dcedf000b20826d10bc387ed3dd4c9e1783ed5222334978fc8d793a39fec547a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dcedf000b20826d10bc387ed3dd4c9e1783ed5222334978fc8d793a39fec547a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dcedf000b20826d10bc387ed3dd4c9e1783ed5222334978fc8d793a39fec547a", kill_on_drop: false }` [INFO] [stdout] dcedf000b20826d10bc387ed3dd4c9e1783ed5222334978fc8d793a39fec547a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8dc4f5ec1bf71a6e5f0a504cdbfb8bdcce8f9c2636b9b0cd16199892147176fd [INFO] running `Command { std: "docker" "start" "-a" "8dc4f5ec1bf71a6e5f0a504cdbfb8bdcce8f9c2636b9b0cd16199892147176fd", kill_on_drop: false }` [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling uuid v1.18.1 [INFO] [stderr] Compiling 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 [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)]` (part of `#[warn(rust_2024_compatibility)]`) 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 [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:342:65 [INFO] [stdout] | [INFO] [stdout] 342 | fn singleton_get(&'static mut self, alias: &Uuid) -> Result<&mut Box> { [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> { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/lib.rs:381:59 [INFO] [stdout] | [INFO] [stdout] 381 | fn factory(&'static mut self, alias: &Uuid) -> Result<&mut Box> { [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> { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.06s [INFO] running `Command { std: "docker" "inspect" "8dc4f5ec1bf71a6e5f0a504cdbfb8bdcce8f9c2636b9b0cd16199892147176fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8dc4f5ec1bf71a6e5f0a504cdbfb8bdcce8f9c2636b9b0cd16199892147176fd", kill_on_drop: false }` [INFO] [stdout] 8dc4f5ec1bf71a6e5f0a504cdbfb8bdcce8f9c2636b9b0cd16199892147176fd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e2539a1f3c435d12d79a9977ee904ffad2fe0588b5acfd8dd1206ba55f6ae17e [INFO] running `Command { std: "docker" "start" "-a" "e2539a1f3c435d12d79a9977ee904ffad2fe0588b5acfd8dd1206ba55f6ae17e", kill_on_drop: false }` [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 [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)]` (part of `#[warn(rust_2024_compatibility)]`) 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 [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:342:65 [INFO] [stdout] | [INFO] [stdout] 342 | fn singleton_get(&'static mut self, alias: &Uuid) -> Result<&mut Box> { [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> { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling singleton-manager v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/lib.rs:381:59 [INFO] [stdout] | [INFO] [stdout] 381 | fn factory(&'static mut self, alias: &Uuid) -> Result<&mut Box> { [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> { [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)]` (part of `#[warn(unused)]`) 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 [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)]` (part of `#[warn(rust_2024_compatibility)]`) 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 [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:342:65 [INFO] [stdout] | [INFO] [stdout] 342 | fn singleton_get(&'static mut self, alias: &Uuid) -> Result<&mut Box> { [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> { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/lib.rs:381:59 [INFO] [stdout] | [INFO] [stdout] 381 | fn factory(&'static mut self, alias: &Uuid) -> Result<&mut Box> { [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> { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.77s [INFO] running `Command { std: "docker" "inspect" "e2539a1f3c435d12d79a9977ee904ffad2fe0588b5acfd8dd1206ba55f6ae17e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e2539a1f3c435d12d79a9977ee904ffad2fe0588b5acfd8dd1206ba55f6ae17e", kill_on_drop: false }` [INFO] [stdout] e2539a1f3c435d12d79a9977ee904ffad2fe0588b5acfd8dd1206ba55f6ae17e