[INFO] cloning repository https://github.com/charlesfrye/async-rust-too-many-servers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/charlesfrye/async-rust-too-many-servers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharlesfrye%2Fasync-rust-too-many-servers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharlesfrye%2Fasync-rust-too-many-servers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a1cec33503520ba9cd3c065d7a56b32bdfa7b48
[INFO] fixing charlesfrye/async-rust-too-many-servers against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharlesfrye%2Fasync-rust-too-many-servers" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/charlesfrye/async-rust-too-many-servers
[INFO] finished tweaking git repo https://github.com/charlesfrye/async-rust-too-many-servers
[INFO] tweaked toml for git repo https://github.com/charlesfrye/async-rust-too-many-servers written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/charlesfrye/async-rust-too-many-servers 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 git repo https://github.com/charlesfrye/async-rust-too-many-servers 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] b1c47752deb4c5e3537e06a85d50bb33e0111ac94bd3ba60fa7478744082df96
[INFO] running `Command { std: "docker" "start" "b1c47752deb4c5e3537e06a85d50bb33e0111ac94bd3ba60fa7478744082df96", 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" "b1c47752deb4c5e3537e06a85d50bb33e0111ac94bd3ba60fa7478744082df96" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1c47752deb4c5e3537e06a85d50bb33e0111ac94bd3ba60fa7478744082df96", 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" "b1c47752deb4c5e3537e06a85d50bb33e0111ac94bd3ba60fa7478744082df96" "/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 libc v0.2.147
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking learning-async-rust-web-servers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/main.rs from 2021 edition to 2024
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/busted_polling.rs:202:19
[INFO] [stdout]     |
[INFO] [stdout]  75 |                 match listener.accept() {
[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] ...
[INFO] [stdout]  91 |                         connections.insert(id.0, (connection, state));
[INFO] [stdout]     |                         ---------------------------------------------
[INFO] [stdout]     |                         |
[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] 202 |             match connections.remove(&id) {
[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] ...
[INFO] [stdout] 212 |         }
[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/std/src/os/fd/owned.rs:196:0
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/os/fd/owned.rs:196:0
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/os/fd/owned.rs:196:0
[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/mio.rs:76:34
[INFO] [stdout]    |
[INFO] [stdout] 76 |             if let Some(waker) = self.tasks.borrow().get(&token) {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]    |                                  up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] 77 |                 waker.clone().wake();
[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] 78 |             }
[INFO] [stdout] 79 |         }
[INFO] [stdout]    |         - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]    |
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/core/src/cell.rs:1582:0
[INFO] [stdout]    = note: `#1` may invoke a custom destructor because it contains a trait object
[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] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/mio.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         SCHEDULER.as_ref().unwrap()
[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] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]     |
[INFO] [stdout] 135 - static mut SCHEDULER: Option<Scheduler> = None;
[INFO] [stdout] 135 + static SCHEDULER: Option<Scheduler> = None;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/busted_polling.rs:202:19
[INFO] [stdout]     |
[INFO] [stdout]  75 |                 match listener.accept() {
[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] ...
[INFO] [stdout]  91 |                         connections.insert(id.0, (connection, state));
[INFO] [stdout]     |                         ---------------------------------------------
[INFO] [stdout]     |                         |
[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] 202 |             match connections.remove(&id) {
[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] ...
[INFO] [stdout] 212 |         }
[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/std/src/os/fd/owned.rs:196:0
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/os/fd/owned.rs:196:0
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/os/fd/owned.rs:196:0
[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/mio.rs:76:34
[INFO] [stdout]    |
[INFO] [stdout] 76 |             if let Some(waker) = self.tasks.borrow().get(&token) {
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]    |                                  up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] 77 |                 waker.clone().wake();
[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] 78 |             }
[INFO] [stdout] 79 |         }
[INFO] [stdout]    |         - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]    |
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]   --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/core/src/cell.rs:1582:0
[INFO] [stdout]    = note: `#1` may invoke a custom destructor because it contains a trait object
[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] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/mio.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         SCHEDULER.as_ref().unwrap()
[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] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]     |
[INFO] [stdout] 135 - static mut SCHEDULER: Option<Scheduler> = None;
[INFO] [stdout] 135 + static SCHEDULER: Option<Scheduler> = None;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.00s
[INFO] [stderr] crater-edition-check: learning-async-rust-web-servers v0.1.0 (/opt/rustwide/workdir) updating edition from 2021 to 2024
[INFO] [stderr]     Checking learning-async-rust-web-servers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: creating a shared reference to mutable static
[INFO] [stdout]    --> src/mio.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         SCHEDULER.as_ref().unwrap()
[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] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]     |
[INFO] [stdout] 135 - static mut SCHEDULER: Option<Scheduler> = None;
[INFO] [stdout] 135 + static SCHEDULER: Option<Scheduler> = None;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `learning-async-rust-web-servers` (bin "learning-async-rust-web-servers" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: creating a shared reference to mutable static
[INFO] [stdout]    --> src/mio.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         SCHEDULER.as_ref().unwrap()
[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] help: this type already provides "interior mutability", so its binding doesn't need to be declared as mutable
[INFO] [stdout]     |
[INFO] [stdout] 135 - static mut SCHEDULER: Option<Scheduler> = None;
[INFO] [stdout] 135 + static SCHEDULER: Option<Scheduler> = None;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `learning-async-rust-web-servers` (bin "learning-async-rust-web-servers") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "b1c47752deb4c5e3537e06a85d50bb33e0111ac94bd3ba60fa7478744082df96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1c47752deb4c5e3537e06a85d50bb33e0111ac94bd3ba60fa7478744082df96", kill_on_drop: false }`
[INFO] [stdout] b1c47752deb4c5e3537e06a85d50bb33e0111ac94bd3ba60fa7478744082df96
