[INFO] fetching crate whichever-compiles 1.0.0...
[INFO] fixing whichever-compiles-1.0.0 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817-2
[INFO] extracting crate whichever-compiles 1.0.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate whichever-compiles 1.0.0
[INFO] finished tweaking crates.io crate whichever-compiles 1.0.0
[INFO] tweaked toml for crates.io crate whichever-compiles 1.0.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate whichever-compiles 1.0.0 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 whichever-compiles 1.0.0 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] [stderr] warning: Cargo.toml: `proc_macro` is deprecated in favor of `proc-macro` and will not work in the 2024 edition
[INFO] [stderr] (in the `whichever_compiles` library target)
[INFO] [stderr] warning: `whichever-compiles` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] bb57e47e1b71b6426a44f480fbc22b8f3e579b1deca0319e6adeba98cbb41185
[INFO] running `Command { std: "docker" "start" "bb57e47e1b71b6426a44f480fbc22b8f3e579b1deca0319e6adeba98cbb41185", 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" "bb57e47e1b71b6426a44f480fbc22b8f3e579b1deca0319e6adeba98cbb41185" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb57e47e1b71b6426a44f480fbc22b8f3e579b1deca0319e6adeba98cbb41185", 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" "bb57e47e1b71b6426a44f480fbc22b8f3e579b1deca0319e6adeba98cbb41185" "/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] warning: Cargo.toml: `proc_macro` is deprecated in favor of `proc-macro` and will not work in the 2024 edition
[INFO] [stderr] (in the `whichever_compiles` library target)
[INFO] [stderr] warning: `whichever-compiles` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling whichever-compiles v1.0.0 (/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 2.04s
[INFO] [stderr] crater-edition-check: whichever-compiles v1.0.0 (/opt/rustwide/workdir) updating edition from 2018 to 2021
[INFO] [stderr] warning: Cargo.toml: `proc_macro` is deprecated in favor of `proc-macro` and will not work in the 2024 edition
[INFO] [stderr] (in the `whichever_compiles` library target)
[INFO] [stderr] warning: `whichever-compiles` (manifest) generated 1 warning
[INFO] [stderr]     Checking whichever-compiles v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.85s
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2018 edition to 2021
[INFO] [stderr] warning: Cargo.toml: `proc_macro` is deprecated in favor of `proc-macro` and will not work in the 2024 edition
[INFO] [stderr] (in the `whichever_compiles` library target)
[INFO] [stderr] warning: `whichever-compiles` (manifest) generated 1 warning
[INFO] [stderr]     Checking whichever-compiles v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating examples/hello.rs from 2021 edition to 2024
[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:10:15
[INFO] [stdout]    |
[INFO] [stdout]  8 |     while let Some(t) = input.next() {
[INFO] [stdout]    |                    -
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    `t` calls a custom destructor
[INFO] [stdout]    |                    `t` will be dropped later as of Edition 2024
[INFO] [stdout]  9 |         assert_eq!(t.to_string(), "try");
[INFO] [stdout] 10 |         match input.next() {
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]    |               up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] 11 |             Some(Group(g)) if g.delimiter() == Brace => alternatives.push(g.stream()),
[INFO] [stdout]    |                        -
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        `g` calls a custom destructor
[INFO] [stdout]    |                        `g` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 14 |     }
[INFO] [stdout]    |     - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]    |
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/proc_macro/src/bridge/client.rs:21:0
[INFO] [stdout] note: `t` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/proc_macro/src/bridge/client.rs:21:0
[INFO] [stdout] note: `g` 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] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]   --> src/lib.rs:8:25
[INFO] [stdout]    |
[INFO] [stdout]  8 |     while let Some(t) = input.next() {
[INFO] [stdout]    |                    -    ^^^^^^^^^^^^
[INFO] [stdout]    |                    |    |
[INFO] [stdout]    |                    |    this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]    |                    |    up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout]    |                    `t` calls a custom destructor
[INFO] [stdout]    |                    `t` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 11 |             Some(Group(g)) if g.delimiter() == Brace => alternatives.push(g.stream()),
[INFO] [stdout]    |                        -
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        `g` calls a custom destructor
[INFO] [stdout]    |                        `g` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 14 |     }
[INFO] [stdout]    |     - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]    |
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/proc_macro/src/bridge/client.rs:21:0
[INFO] [stdout] note: `t` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/proc_macro/src/bridge/client.rs:21:0
[INFO] [stdout] note: `g` 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] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.58s
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]   --> src/lib.rs:10:15
[INFO] [stdout]    |
[INFO] [stdout]  8 |     while let Some(t) = input.next() {
[INFO] [stdout]    |                    -
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    `t` calls a custom destructor
[INFO] [stdout]    |                    `t` will be dropped later as of Edition 2024
[INFO] [stdout]  9 |         assert_eq!(t.to_string(), "try");
[INFO] [stdout] 10 |         match input.next() {
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]    |               up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] 11 |             Some(Group(g)) if g.delimiter() == Brace => alternatives.push(g.stream()),
[INFO] [stdout]    |                        -
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        `g` calls a custom destructor
[INFO] [stdout]    |                        `g` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 14 |     }
[INFO] [stdout]    |     - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]    |
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/proc_macro/src/bridge/client.rs:21:0
[INFO] [stdout] note: `t` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/proc_macro/src/bridge/client.rs:21:0
[INFO] [stdout] note: `g` 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] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]   --> src/lib.rs:8:25
[INFO] [stdout]    |
[INFO] [stdout]  8 |     while let Some(t) = input.next() {
[INFO] [stdout]    |                    -    ^^^^^^^^^^^^
[INFO] [stdout]    |                    |    |
[INFO] [stdout]    |                    |    this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]    |                    |    up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout]    |                    `t` calls a custom destructor
[INFO] [stdout]    |                    `t` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 11 |             Some(Group(g)) if g.delimiter() == Brace => alternatives.push(g.stream()),
[INFO] [stdout]    |                        -
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        `g` calls a custom destructor
[INFO] [stdout]    |                        `g` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 14 |     }
[INFO] [stdout]    |     - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]    |
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/proc_macro/src/bridge/client.rs:21:0
[INFO] [stdout] note: `t` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/proc_macro/src/bridge/client.rs:21:0
[INFO] [stdout] note: `g` 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] 
[INFO] [stdout] 
[INFO] [stderr] crater-edition-check: whichever-compiles v1.0.0 (/opt/rustwide/workdir) updating edition from 2021 to 2024
[INFO] [stderr] error: failed to parse manifest at `/opt/rustwide/workdir/Cargo.toml`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   `proc_macro` is unsupported as of the 2024 edition; instead use `proc-macro`
[INFO] [stderr]   (in the `whichever_compiles` library target)
[INFO] running `Command { std: "docker" "inspect" "bb57e47e1b71b6426a44f480fbc22b8f3e579b1deca0319e6adeba98cbb41185", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb57e47e1b71b6426a44f480fbc22b8f3e579b1deca0319e6adeba98cbb41185", kill_on_drop: false }`
[INFO] [stdout] bb57e47e1b71b6426a44f480fbc22b8f3e579b1deca0319e6adeba98cbb41185
