[INFO] fetching crate uzers 0.12.2...
[INFO] fixing uzers-0.12.2 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817-2
[INFO] extracting crate uzers 0.12.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate uzers 0.12.2
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate uzers 0.12.2
[INFO] tweaked toml for crates.io crate uzers 0.12.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate uzers 0.12.2 on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate uzers 0.12.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `uzers` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] fefd1443cc49318f26e04bb192b4aa6bf425f72d71530d9883086bf4abd7e62f
[INFO] running `Command { std: "docker" "start" "fefd1443cc49318f26e04bb192b4aa6bf425f72d71530d9883086bf4abd7e62f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fefd1443cc49318f26e04bb192b4aa6bf425f72d71530d9883086bf4abd7e62f" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fefd1443cc49318f26e04bb192b4aa6bf425f72d71530d9883086bf4abd7e62f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "fefd1443cc49318f26e04bb192b4aa6bf425f72d71530d9883086bf4abd7e62f" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=end=2015,2024", kill_on_drop: false }`
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2015 edition to 2018
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `uzers` (manifest) generated 1 warning
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking sdd v3.0.2
[INFO] [stderr]     Checking env_filter v0.1.2
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking env_logger v0.11.5
[INFO] [stderr]     Checking scc v2.1.14
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]     Checking uzers v0.12.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/lib.rs from 2015 edition to 2018
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]        Fixed src/cache.rs (2 fixes)
[INFO] [stderr]        Fixed src/lib.rs (11 fixes)
[INFO] [stderr]        Fixed src/switch.rs (1 fix)
[INFO] [stderr]        Fixed src/traits.rs (1 fix)
[INFO] [stderr]        Fixed src/mock.rs (2 fixes)
[INFO] [stderr]    Compiling serial_test_derive v3.1.1
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking serial_test v3.1.1
[INFO] [stderr]    Migrating examples/example.rs from 2015 edition to 2018
[INFO] [stderr]        Fixed src/mock.rs (2 fixes)
[INFO] [stderr]        Fixed src/base.rs (1 fix)
[INFO] [stderr]    Migrating tests/groups.rs from 2015 edition to 2018
[INFO] [stderr]    Migrating examples/os.rs from 2015 edition to 2018
[INFO] [stderr]    Migrating examples/switching.rs from 2015 edition to 2018
[INFO] [stderr]    Migrating examples/mocking.rs from 2015 edition to 2018
[INFO] [stderr]    Migrating tests/users.rs from 2015 edition to 2018
[INFO] [stderr]    Migrating examples/list.rs from 2015 edition to 2018
[INFO] [stderr]    Migrating examples/groups.rs from 2015 edition to 2018
[INFO] [stderr]    Migrating examples/threading.rs from 2015 edition to 2018
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.89s
[INFO] [stderr] crater-edition-check: uzers v0.12.2 (/opt/rustwide/workdir) updating edition from 2015 to 2018
[INFO] [stderr]     Checking uzers v0.12.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused extern crate
[INFO] [stdout]    --> src/lib.rs:132:1
[INFO] [stdout]     |
[INFO] [stdout] 132 | extern crate libc;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^ unused
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:6:9
[INFO] [stdout]     |
[INFO] [stdout]   6 | #![warn(unused)]
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_extern_crates)]` implied by `#[warn(unused)]`
[INFO] [stdout] help: remove the unused `extern crate`
[INFO] [stdout]     |
[INFO] [stdout] 132 - extern crate libc;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused extern crate
[INFO] [stdout]    --> src/lib.rs:132:1
[INFO] [stdout]     |
[INFO] [stdout] 132 | extern crate libc;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^ unused
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:6:9
[INFO] [stdout]     |
[INFO] [stdout]   6 | #![warn(unused)]
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_extern_crates)]` implied by `#[warn(unused)]`
[INFO] [stdout] help: remove the unused `extern crate`
[INFO] [stdout]     |
[INFO] [stdout] 132 - extern crate libc;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.69s
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2015 edition to 2018
[INFO] [stderr]     Checking uzers v0.12.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/threading.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/groups.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/list.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/users.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/switching.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/groups.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/example.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/mocking.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/os.rs from 2018 edition to 2021
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.32s
[INFO] [stderr] crater-edition-check: uzers v0.12.2 (/opt/rustwide/workdir) updating edition from 2018 to 2021
[INFO] [stderr]     Checking uzers v0.12.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused extern crate
[INFO] [stdout]    --> src/lib.rs:132:1
[INFO] [stdout]     |
[INFO] [stdout] 132 | extern crate libc;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^ unused
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:6:9
[INFO] [stdout]     |
[INFO] [stdout]   6 | #![warn(unused)]
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_extern_crates)]` implied by `#[warn(unused)]`
[INFO] [stdout] help: remove the unused `extern crate`
[INFO] [stdout]     |
[INFO] [stdout] 132 - extern crate libc;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused extern crate
[INFO] [stdout]    --> src/lib.rs:132:1
[INFO] [stdout]     |
[INFO] [stdout] 132 | extern crate libc;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^ unused
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:6:9
[INFO] [stdout]     |
[INFO] [stdout]   6 | #![warn(unused)]
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_extern_crates)]` implied by `#[warn(unused)]`
[INFO] [stdout] help: remove the unused `extern crate`
[INFO] [stdout]     |
[INFO] [stdout] 132 - extern crate libc;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.35s
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2015 edition to 2018
[INFO] [stderr]     Checking uzers v0.12.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/lib.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed src/switch.rs (1 fix)
[INFO] [stderr]        Fixed src/cache.rs (4 fixes)
[INFO] [stderr]        Fixed src/base.rs (8 fixes)
[INFO] [stderr]    Migrating examples/os.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/example.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/users.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/mocking.rs from 2021 edition to 2024
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]   --> examples/mocking.rs:30:22
[INFO] [stdout]    |
[INFO] [stdout] 30 |     no_iter(unsafe { &UsersSnapshot::new() });
[INFO] [stdout]    |     -------          ^^^^^^^^^^^^^^^^^^^^^ this temporary value will be dropped at the end of the block
[INFO] [stdout]    |     |
[INFO] [stdout]    |     borrow later used by call
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]    = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]   --> examples/mocking.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |     iter_aware(unsafe { &UsersSnapshot::only_users(|u| u.uid() < 10) });
[INFO] [stdout]    |     ----------          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this temporary value will be dropped at the end of the block
[INFO] [stdout]    |     |
[INFO] [stdout]    |     borrow later used by call
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating examples/list.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/groups.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/threading.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/groups.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/switching.rs from 2021 edition to 2024
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.95s
[INFO] [stderr] crater-edition-check: uzers v0.12.2 (/opt/rustwide/workdir) updating edition from 2021 to 2024
[INFO] [stderr]     Checking uzers v0.12.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused extern crate
[INFO] [stdout]    --> src/lib.rs:132:1
[INFO] [stdout]     |
[INFO] [stdout] 132 | extern crate libc;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^ unused
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:6:9
[INFO] [stdout]     |
[INFO] [stdout]   6 | #![warn(unused)]
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_extern_crates)]` implied by `#[warn(unused)]`
[INFO] [stdout] help: remove the unused `extern crate`
[INFO] [stdout]     |
[INFO] [stdout] 132 - extern crate libc;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused extern crate
[INFO] [stdout]    --> src/lib.rs:132:1
[INFO] [stdout]     |
[INFO] [stdout] 132 | extern crate libc;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^ unused
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:6:9
[INFO] [stdout]     |
[INFO] [stdout]   6 | #![warn(unused)]
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_extern_crates)]` implied by `#[warn(unused)]`
[INFO] [stdout] help: remove the unused `extern crate`
[INFO] [stdout]     |
[INFO] [stdout] 132 - extern crate libc;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `uzers` (example "mocking") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0716]: temporary value dropped while borrowed
[INFO] [stdout]   --> examples/mocking.rs:30:23
[INFO] [stdout]    |
[INFO] [stdout] 30 |     no_iter(unsafe { &UsersSnapshot::new() });
[INFO] [stdout]    |     -------           ^^^^^^^^^^^^^^^^^^^-
[INFO] [stdout]    |     |                 |                  |
[INFO] [stdout]    |     |                 |                  temporary value is freed at the end of this statement
[INFO] [stdout]    |     |                 creates a temporary value which is freed while still in use
[INFO] [stdout]    |     borrow later used by call
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using a `let` binding to create a longer lived value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0716]: temporary value dropped while borrowed
[INFO] [stdout]   --> examples/mocking.rs:32:26
[INFO] [stdout]    |
[INFO] [stdout] 32 |     iter_aware(unsafe { &UsersSnapshot::only_users(|u| u.uid() < 10) });
[INFO] [stdout]    |     ----------           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stdout]    |     |                    |                                         |
[INFO] [stdout]    |     |                    |                                         temporary value is freed at the end of this statement
[INFO] [stdout]    |     |                    creates a temporary value which is freed while still in use
[INFO] [stdout]    |     borrow later used by call
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using a `let` binding to create a longer lived value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0716`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fefd1443cc49318f26e04bb192b4aa6bf425f72d71530d9883086bf4abd7e62f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fefd1443cc49318f26e04bb192b4aa6bf425f72d71530d9883086bf4abd7e62f", kill_on_drop: false }`
[INFO] [stdout] fefd1443cc49318f26e04bb192b4aa6bf425f72d71530d9883086bf4abd7e62f
