[INFO] fetching crate abackus 0.2.6...
[INFO] fixing abackus-0.2.6 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817-2
[INFO] extracting crate abackus 0.2.6 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate abackus 0.2.6
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate abackus 0.2.6
[INFO] tweaked toml for crates.io crate abackus 0.2.6 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate abackus 0.2.6 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 abackus 0.2.6 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] 0a6aea2eed4477ff6ae7f5d43cccbb8dbef9c3b6293230c74d40d12b810db579
[INFO] running `Command { std: "docker" "start" "0a6aea2eed4477ff6ae7f5d43cccbb8dbef9c3b6293230c74d40d12b810db579", 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" "0a6aea2eed4477ff6ae7f5d43cccbb8dbef9c3b6293230c74d40d12b810db579" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a6aea2eed4477ff6ae7f5d43cccbb8dbef9c3b6293230c74d40d12b810db579", 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" "0a6aea2eed4477ff6ae7f5d43cccbb8dbef9c3b6293230c74d40d12b810db579" "/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 lexers v0.1.4
[INFO] [stderr]     Checking earlgrey v0.3.1
[INFO] [stderr]     Checking abackus v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/lib.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed src/treeficator.rs (2 fixes)
[INFO] [stderr]        Fixed src/ebnf.rs (1 fix)
[INFO] [stderr]    Migrating examples/ebnftree.rs from 2021 edition to 2024
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]   --> examples/ebnftree.rs:37:22
[INFO] [stdout]    |
[INFO] [stdout] 37 |     match trificator(&mut tokenizer(input.chars())) {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this temporary value will be dropped at the end of the block
[INFO] [stdout] ...
[INFO] [stdout] 41 | }
[INFO] [stdout]    | - borrow might be used here, when `trificator` is dropped and runs the destructor for type `impl Fn(&mut Tokenizer<Chars<'_>>) -> Result<Vec<Sexpr>, std::string::String>`
[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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.12s
[INFO] [stderr] crater-edition-check: abackus v0.2.6 (/opt/rustwide/workdir) updating edition from 2021 to 2024
[INFO] [stderr]     Checking abackus v0.2.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0716]: temporary value dropped while borrowed
[INFO] [stdout]   --> examples/ebnftree.rs:37:27
[INFO] [stdout]    |
[INFO] [stdout] 37 |     match trificator(&mut tokenizer(input.chars())) {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^ creates a temporary value which is freed while still in use
[INFO] [stdout] ...
[INFO] [stdout] 40 |     }
[INFO] [stdout]    |     - temporary value is freed at the end of this statement
[INFO] [stdout] 41 | }
[INFO] [stdout]    | - borrow might be used here, when `trificator` is dropped and runs the destructor for type `impl Fn(&mut Tokenizer<Chars<'_>>) -> Result<Vec<Sexpr>, std::string::String>`
[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 `abackus` (example "ebnftree") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "0a6aea2eed4477ff6ae7f5d43cccbb8dbef9c3b6293230c74d40d12b810db579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a6aea2eed4477ff6ae7f5d43cccbb8dbef9c3b6293230c74d40d12b810db579", kill_on_drop: false }`
[INFO] [stdout] 0a6aea2eed4477ff6ae7f5d43cccbb8dbef9c3b6293230c74d40d12b810db579
