[INFO] fetching crate small_ctor 0.1.2...
[INFO] fixing small_ctor-0.1.2 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817-2
[INFO] extracting crate small_ctor 0.1.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate small_ctor 0.1.2
[INFO] finished tweaking crates.io crate small_ctor 0.1.2
[INFO] tweaked toml for crates.io crate small_ctor 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate small_ctor 0.1.2 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 small_ctor 0.1.2 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 12f33ecffd9df086b92110c106f427cb5f0ebf7821ee3edf3891b25e43d8c2af
[INFO] running `Command { std: "docker" "start" "12f33ecffd9df086b92110c106f427cb5f0ebf7821ee3edf3891b25e43d8c2af", 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" "12f33ecffd9df086b92110c106f427cb5f0ebf7821ee3edf3891b25e43d8c2af" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12f33ecffd9df086b92110c106f427cb5f0ebf7821ee3edf3891b25e43d8c2af", 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" "12f33ecffd9df086b92110c106f427cb5f0ebf7821ee3edf3891b25e43d8c2af" "/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 2018 edition to 2021
[INFO] [stderr]    Compiling small_ctor v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/hello.rs from 2018 edition to 2021
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] [stderr] crater-edition-check: small_ctor v0.1.2 (/opt/rustwide/workdir) updating edition from 2018 to 2021
[INFO] [stderr]    Compiling small_ctor v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.95s
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2018 edition to 2021
[INFO] [stderr]     Checking small_ctor v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/lib.rs from 2021 edition to 2024
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]   --> src/lib.rs:87:29
[INFO] [stdout]    |
[INFO] [stdout] 80 |             match iter.next() {
[INFO] [stdout]    |                   -----------
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]    |                   `#1` will be dropped later as of Edition 2024
[INFO] [stdout]    |                   this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]    |                   `#2` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 87 |     while let Some(token) = iter.next() {
[INFO] [stdout]    |                    -----    ^^^^^^^^^^^
[INFO] [stdout]    |                    |        |
[INFO] [stdout]    |                    |        this value will be stored in a temporary; let us call it `#3`
[INFO] [stdout]    |                    |        up until Edition 2021 `#3` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout]    |                    `token` calls a custom destructor
[INFO] [stdout]    |                    `token` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 94 |     }
[INFO] [stdout]    |     - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]    |
[INFO] [stdout] note: `#3` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/proc_macro/src/bridge/client.rs:21:0
[INFO] [stdout] note: `token` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/proc_macro/src/bridge/client.rs:21:0
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/proc_macro/src/bridge/client.rs:21:0
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/proc_macro/src/bridge/client.rs:21:0
[INFO] [stdout]    = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[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]        Fixed src/lib.rs (1 fix)
[INFO] [stderr]    Migrating examples/hello.rs from 2021 edition to 2024
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]   --> src/lib.rs:87:29
[INFO] [stdout]    |
[INFO] [stdout] 80 |             match iter.next() {
[INFO] [stdout]    |                   -----------
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]    |                   `#1` will be dropped later as of Edition 2024
[INFO] [stdout]    |                   this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]    |                   `#2` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 87 |     while let Some(token) = iter.next() {
[INFO] [stdout]    |                    -----    ^^^^^^^^^^^
[INFO] [stdout]    |                    |        |
[INFO] [stdout]    |                    |        this value will be stored in a temporary; let us call it `#3`
[INFO] [stdout]    |                    |        up until Edition 2021 `#3` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout]    |                    `token` calls a custom destructor
[INFO] [stdout]    |                    `token` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 94 |     }
[INFO] [stdout]    |     - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]    |
[INFO] [stdout] note: `#3` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/proc_macro/src/bridge/client.rs:21:0
[INFO] [stdout] note: `token` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/proc_macro/src/bridge/client.rs:21:0
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/proc_macro/src/bridge/client.rs:21:0
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/proc_macro/src/bridge/client.rs:21:0
[INFO] [stdout]    = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[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 1.39s
[INFO] [stderr] crater-edition-check: small_ctor v0.1.2 (/opt/rustwide/workdir) updating edition from 2021 to 2024
[INFO] [stderr]    Compiling small_ctor v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: unsafe attribute used without unsafe
[INFO] [stdout]  --> examples/hello.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[small_ctor::ctor]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ usage of unsafe attribute
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the attribute macro `small_ctor::ctor` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `small_ctor` (example "hello") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "12f33ecffd9df086b92110c106f427cb5f0ebf7821ee3edf3891b25e43d8c2af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12f33ecffd9df086b92110c106f427cb5f0ebf7821ee3edf3891b25e43d8c2af", kill_on_drop: false }`
[INFO] [stdout] 12f33ecffd9df086b92110c106f427cb5f0ebf7821ee3edf3891b25e43d8c2af
