[INFO] fetching crate sval_buffer 2.20.0...
[INFO] fixing sval_buffer-2.20.0 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817-2
[INFO] extracting crate sval_buffer 2.20.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate sval_buffer 2.20.0
[INFO] finished tweaking crates.io crate sval_buffer 2.20.0
[INFO] tweaked toml for crates.io crate sval_buffer 2.20.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sval_buffer 2.20.0 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 sval_buffer 2.20.0 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] 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] dbe5dc1de10b35e356e28f32cf218dc3a64e483f17313ff96b9409c8c98f331a
[INFO] running `Command { std: "docker" "start" "dbe5dc1de10b35e356e28f32cf218dc3a64e483f17313ff96b9409c8c98f331a", 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" "dbe5dc1de10b35e356e28f32cf218dc3a64e483f17313ff96b9409c8c98f331a" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbe5dc1de10b35e356e28f32cf218dc3a64e483f17313ff96b9409c8c98f331a", 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" "dbe5dc1de10b35e356e28f32cf218dc3a64e483f17313ff96b9409c8c98f331a" "/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 2021 edition to 2024
[INFO] [stderr]     Checking sval v2.20.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking sval_ref v2.20.0
[INFO] [stderr]     Checking sval_fmt v2.20.0
[INFO] [stderr]     Checking sval_test v2.20.0
[INFO] [stderr]     Checking sval_buffer v2.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/lib.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed src/value.rs (2 fixes)
[INFO] [stderr]        Fixed src/fragments.rs (2 fixes)
[INFO] [stderr]    Compiling sval_derive_macros v2.20.0
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/fragments.rs:850:13
[INFO] [stdout]     |
[INFO] [stdout] 847 | /          assert_eq!(tokens.as_tokens(), {
[INFO] [stdout] 848 | |              use sval_test::Token::*;
[INFO] [stdout] 849 | |
[INFO] [stdout] 850 | |/             &[
[INFO] [stdout] 851 | ||                 TextBegin(Some(9)),
[INFO] [stdout] 852 | ||                 TextFragmentComputed("123()data".to_owned()),
[INFO] [stdout] 853 | ||                 TextEnd,
[INFO] [stdout] 854 | ||             ]
[INFO] [stdout]     | ||_____________^ this temporary value will be dropped at the end of the block
[INFO] [stdout] 855 | |          });
[INFO] [stdout]     | |___________- borrow later used here
[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]    --> src/fragments.rs:936:13
[INFO] [stdout]     |
[INFO] [stdout] 933 | /          assert_eq!(tokens.as_tokens(), {
[INFO] [stdout] 934 | |              use sval_test::Token::*;
[INFO] [stdout] 935 | |
[INFO] [stdout] 936 | |/             &[
[INFO] [stdout] 937 | ||                 BinaryBegin(Some(6)),
[INFO] [stdout] 938 | ||                 BinaryFragmentComputed(b"abcdef".to_vec()),
[INFO] [stdout] 939 | ||                 BinaryEnd,
[INFO] [stdout] 940 | ||             ]
[INFO] [stdout]     | ||_____________^ this temporary value will be dropped at the end of the block
[INFO] [stdout] 941 | |          });
[INFO] [stdout]     | |___________- borrow later used here
[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 benches/value.rs from 2021 edition to 2024
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.86s
[INFO] [stderr] crater-edition-check: sval_buffer v2.20.0 (/opt/rustwide/workdir) updating edition from 2021 to 2024
[INFO] [stderr]     Checking sval_buffer v2.20.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0716]: temporary value dropped while borrowed
[INFO] [stdout]    --> src/fragments.rs:850:14
[INFO] [stdout]     |
[INFO] [stdout] 847 | /          assert_eq!(tokens.as_tokens(), {
[INFO] [stdout] 848 | |              use sval_test::Token::*;
[INFO] [stdout] 849 | |
[INFO] [stdout] 850 | |              &[
[INFO] [stdout]     | | ______________^
[INFO] [stdout] 851 | ||                 TextBegin(Some(9)),
[INFO] [stdout] 852 | ||                 TextFragmentComputed("123()data".to_owned()),
[INFO] [stdout] 853 | ||                 TextEnd,
[INFO] [stdout] 854 | ||             ]
[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] 855 | |          });
[INFO] [stdout]     | |___________- borrow later used here
[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]    --> src/fragments.rs:936:14
[INFO] [stdout]     |
[INFO] [stdout] 933 | /          assert_eq!(tokens.as_tokens(), {
[INFO] [stdout] 934 | |              use sval_test::Token::*;
[INFO] [stdout] 935 | |
[INFO] [stdout] 936 | |              &[
[INFO] [stdout]     | | ______________^
[INFO] [stdout] 937 | ||                 BinaryBegin(Some(6)),
[INFO] [stdout] 938 | ||                 BinaryFragmentComputed(b"abcdef".to_vec()),
[INFO] [stdout] 939 | ||                 BinaryEnd,
[INFO] [stdout] 940 | ||             ]
[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] 941 | |          });
[INFO] [stdout]     | |___________- borrow later used here
[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] [stderr] error: could not compile `sval_buffer` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "dbe5dc1de10b35e356e28f32cf218dc3a64e483f17313ff96b9409c8c98f331a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbe5dc1de10b35e356e28f32cf218dc3a64e483f17313ff96b9409c8c98f331a", kill_on_drop: false }`
[INFO] [stdout] dbe5dc1de10b35e356e28f32cf218dc3a64e483f17313ff96b9409c8c98f331a
