[INFO] fetching crate gemachain-perf 1.8.0...
[INFO] fixing gemachain-perf-1.8.0 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817-2
[INFO] extracting crate gemachain-perf 1.8.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate gemachain-perf 1.8.0
[INFO] finished tweaking crates.io crate gemachain-perf 1.8.0
[INFO] tweaked toml for crates.io crate gemachain-perf 1.8.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate gemachain-perf 1.8.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]       Adding bincode v1.3.3 (available: v3.0.0)
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[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-3-tc2/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 }`
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[INFO] running `Command { std: "docker" "start" "6c1a55551edf766c2d484c46f24b0570963c82f1f2381598508c6c9de1a1a4d7", 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" "6c1a55551edf766c2d484c46f24b0570963c82f1f2381598508c6c9de1a1a4d7" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c1a55551edf766c2d484c46f24b0570963c82f1f2381598508c6c9de1a1a4d7", 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" "6c1a55551edf766c2d484c46f24b0570963c82f1f2381598508c6c9de1a1a4d7" "/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 }`
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[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating benches/sigverify.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating benches/recycler.rs from 2018 edition to 2021
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.42s
[INFO] [stderr] crater-edition-check: gemachain-perf v1.8.0 (/opt/rustwide/workdir) updating edition from 2018 to 2021
[INFO] [stderr]     Checking gemachain-perf v1.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `freed` is never read
[INFO] [stdout]   --> src/recycler.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct RecyclerStats {
[INFO] [stdout]    |        ------------- field in this struct
[INFO] [stdout] 20 |     total: AtomicUsize,
[INFO] [stdout] 21 |     freed: AtomicUsize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RecyclerStats` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/perf_libs.rs:183:14
[INFO] [stdout]     |
[INFO] [stdout] 183 |     unsafe { API.as_ref() }
[INFO] [stdout]     |              ^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `freed` is never read
[INFO] [stdout]   --> src/recycler.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct RecyclerStats {
[INFO] [stdout]    |        ------------- field in this struct
[INFO] [stdout] 20 |     total: AtomicUsize,
[INFO] [stdout] 21 |     freed: AtomicUsize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RecyclerStats` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/perf_libs.rs:183:14
[INFO] [stdout]     |
[INFO] [stdout] 183 |     unsafe { API.as_ref() }
[INFO] [stdout]     |              ^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.69s
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2018 edition to 2021
[INFO] [stderr]     Checking gemachain-perf v1.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/lib.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed src/perf_libs.rs (1 fix)
[INFO] [stderr]        Fixed src/cuda_runtime.rs (1 fix)
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/recycler.rs:118:34
[INFO] [stdout]     |
[INFO] [stdout]  96 |             let mut gc = self.recycler.gc.lock().unwrap();
[INFO] [stdout]     |                 ------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 `gc` calls a custom destructor
[INFO] [stdout]     |                 `gc` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 118 |             if let Some(mut x) = gc.pop() {
[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] ...
[INFO] [stdout] 123 |         }
[INFO] [stdout]     |         - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout] note: `gc` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/poison/mutex.rs:741:0
[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: creating a shared reference to mutable static
[INFO] [stdout]    --> src/perf_libs.rs:184:14
[INFO] [stdout]     |
[INFO] [stdout] 184 |     unsafe { API.as_ref() }
[INFO] [stdout]     |              ^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: `--force-warn static-mut-refs` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating benches/sigverify.rs from 2021 edition to 2024
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/recycler.rs:118:34
[INFO] [stdout]     |
[INFO] [stdout]  96 |             let mut gc = self.recycler.gc.lock().unwrap();
[INFO] [stdout]     |                 ------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 `gc` calls a custom destructor
[INFO] [stdout]     |                 `gc` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 118 |             if let Some(mut x) = gc.pop() {
[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] ...
[INFO] [stdout] 123 |         }
[INFO] [stdout]     |         - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout] note: `gc` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/poison/mutex.rs:741:0
[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: creating a shared reference to mutable static
[INFO] [stdout]    --> src/perf_libs.rs:184:14
[INFO] [stdout]     |
[INFO] [stdout] 184 |     unsafe { API.as_ref() }
[INFO] [stdout]     |              ^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: `--force-warn static-mut-refs` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating benches/recycler.rs from 2021 edition to 2024
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.15s
[INFO] [stderr] crater-edition-check: gemachain-perf v1.8.0 (/opt/rustwide/workdir) updating edition from 2021 to 2024
[INFO] [stderr]     Checking gemachain-perf v1.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `freed` is never read
[INFO] [stdout]   --> src/recycler.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct RecyclerStats {
[INFO] [stdout]    |        ------------- field in this struct
[INFO] [stdout] 20 |     total: AtomicUsize,
[INFO] [stdout] 21 |     freed: AtomicUsize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RecyclerStats` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a shared reference to mutable static
[INFO] [stdout]    --> src/perf_libs.rs:184:14
[INFO] [stdout]     |
[INFO] [stdout] 184 |     unsafe { API.as_ref() }
[INFO] [stdout]     |              ^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: `#[deny(static_mut_refs)]` (part of `#[deny(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gemachain-perf` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `freed` is never read
[INFO] [stdout]   --> src/recycler.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct RecyclerStats {
[INFO] [stdout]    |        ------------- field in this struct
[INFO] [stdout] 20 |     total: AtomicUsize,
[INFO] [stdout] 21 |     freed: AtomicUsize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RecyclerStats` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a shared reference to mutable static
[INFO] [stdout]    --> src/perf_libs.rs:184:14
[INFO] [stdout]     |
[INFO] [stdout] 184 |     unsafe { API.as_ref() }
[INFO] [stdout]     |              ^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: `#[deny(static_mut_refs)]` (part of `#[deny(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gemachain-perf` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "6c1a55551edf766c2d484c46f24b0570963c82f1f2381598508c6c9de1a1a4d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c1a55551edf766c2d484c46f24b0570963c82f1f2381598508c6c9de1a1a4d7", kill_on_drop: false }`
[INFO] [stdout] 6c1a55551edf766c2d484c46f24b0570963c82f1f2381598508c6c9de1a1a4d7
