[INFO] fetching crate scoped-trace 0.1.0...
[INFO] fixing scoped-trace-0.1.0 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817-2
[INFO] extracting crate scoped-trace 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate scoped-trace 0.1.0
[INFO] finished tweaking crates.io crate scoped-trace 0.1.0
[INFO] tweaked toml for crates.io crate scoped-trace 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate scoped-trace 0.1.0 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 scoped-trace 0.1.0 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-7-tc2/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3e6e57aa854e273dbeb6cfef7020e3b6bf7ec53d6d983ce426e0f8fbbb303f83
[INFO] running `Command { std: "docker" "start" "3e6e57aa854e273dbeb6cfef7020e3b6bf7ec53d6d983ce426e0f8fbbb303f83", 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" "3e6e57aa854e273dbeb6cfef7020e3b6bf7ec53d6d983ce426e0f8fbbb303f83" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e6e57aa854e273dbeb6cfef7020e3b6bf7ec53d6d983ce426e0f8fbbb303f83", 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" "3e6e57aa854e273dbeb6cfef7020e3b6bf7ec53d6d983ce426e0f8fbbb303f83" "/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]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.27.2
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]     Checking object v0.30.3
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]     Checking addr2line v0.19.0
[INFO] [stderr]     Checking scoped-trace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/lib.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed src/tree.rs (1 fix)
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]   --> src/tree.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |           write!(f, "{}", {
[INFO] [stdout]    |  _________________________-
[INFO] [stdout] 77 | |             let mut current = current.chars();
[INFO] [stdout] 78 | |             current.next().unwrap();
[INFO] [stdout] 79 | |             current.next().unwrap();
[INFO] [stdout] 80 | |             &current.as_str()
[INFO] [stdout]    | |             ^^^^^^^^^^^^^^^^^ this temporary value will be dropped at the end of the block
[INFO] [stdout] 81 | |         })?;
[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/tree.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |           write!(f, "{}", {
[INFO] [stdout]    |  _________________________-
[INFO] [stdout] 77 | |             let mut current = current.chars();
[INFO] [stdout] 78 | |             current.next().unwrap();
[INFO] [stdout] 79 | |             current.next().unwrap();
[INFO] [stdout] 80 | |             &current.as_str()
[INFO] [stdout]    | |             ^^^^^^^^^^^^^^^^^ this temporary value will be dropped at the end of the block
[INFO] [stdout] 81 | |         })?;
[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] [stderr]    Migrating examples/inlining.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/inlining.rs from 2021 edition to 2024
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.43s
[INFO] [stderr] crater-edition-check: scoped-trace v0.1.0 (/opt/rustwide/workdir) updating edition from 2021 to 2024
[INFO] [stderr]     Checking scoped-trace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0716]: temporary value dropped while borrowed
[INFO] [stdout]   --> src/tree.rs:80:14
[INFO] [stdout]    |
[INFO] [stdout] 76 |           write!(f, "{}", {
[INFO] [stdout]    |  _________________________-
[INFO] [stdout] 77 | |             let mut current = current.chars();
[INFO] [stdout] 78 | |             current.next().unwrap();
[INFO] [stdout] 79 | |             current.next().unwrap();
[INFO] [stdout] 80 | |             &current.as_str()
[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] 81 | |         })?;
[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 `scoped-trace` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0716]: temporary value dropped while borrowed
[INFO] [stdout]   --> src/tree.rs:80:14
[INFO] [stdout]    |
[INFO] [stdout] 76 |           write!(f, "{}", {
[INFO] [stdout]    |  _________________________-
[INFO] [stdout] 77 | |             let mut current = current.chars();
[INFO] [stdout] 78 | |             current.next().unwrap();
[INFO] [stdout] 79 | |             current.next().unwrap();
[INFO] [stdout] 80 | |             &current.as_str()
[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] 81 | |         })?;
[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 `scoped-trace` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "3e6e57aa854e273dbeb6cfef7020e3b6bf7ec53d6d983ce426e0f8fbbb303f83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e6e57aa854e273dbeb6cfef7020e3b6bf7ec53d6d983ce426e0f8fbbb303f83", kill_on_drop: false }`
[INFO] [stdout] 3e6e57aa854e273dbeb6cfef7020e3b6bf7ec53d6d983ce426e0f8fbbb303f83
