[INFO] cloning repository https://github.com/InfinityCity18/hackchat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/InfinityCity18/hackchat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FInfinityCity18%2Fhackchat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FInfinityCity18%2Fhackchat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ccd71f5a7988d8c31c6752a123cc6738aacc286
[INFO] fixing InfinityCity18/hackchat against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FInfinityCity18%2Fhackchat" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/InfinityCity18/hackchat
[INFO] finished tweaking git repo https://github.com/InfinityCity18/hackchat
[INFO] tweaked toml for git repo https://github.com/InfinityCity18/hackchat written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/InfinityCity18/hackchat 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/InfinityCity18/hackchat 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 }`
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[INFO] [stdout] 8c047c2773407b206f5ec90909e005a8f3ac152ab23010dd257d8ccfeb213fe4
[INFO] running `Command { std: "docker" "start" "8c047c2773407b206f5ec90909e005a8f3ac152ab23010dd257d8ccfeb213fe4", 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" "8c047c2773407b206f5ec90909e005a8f3ac152ab23010dd257d8ccfeb213fe4" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c047c2773407b206f5ec90909e005a8f3ac152ab23010dd257d8ccfeb213fe4", 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" "8c047c2773407b206f5ec90909e005a8f3ac152ab23010dd257d8ccfeb213fe4" "/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]     Checking hackchat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/main.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed src/network.rs (4 fixes)
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/network.rs:79:19
[INFO] [stdout]     |
[INFO] [stdout]  79 |               match decrypt(payload, room.as_bytes()) { Ok(decrypted) => {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this value will be stored in a temporary; let us call it `#5`
[INFO] [stdout]     |                     up until Edition 2021 `#5` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 107 | /                                 arcs.network_messages
[INFO] [stdout] 108 | |                                     .lock()
[INFO] [stdout] 109 | |                                     .unwrap()
[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] 110 |                                       .push((username.clone(), msg.clone()));
[INFO] [stdout] 111 |                                   let mut lock = arcs.chat_messages.lock().unwrap();
[INFO] [stdout]     |                                       --------
[INFO] [stdout]     |                                       |
[INFO] [stdout]     |                                       `lock` calls a custom destructor
[INFO] [stdout]     |                                       `lock` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 147 |                                   arcs.users.lock().unwrap().insert(username.clone());
[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] 148 | /                                 presence_map
[INFO] [stdout] 149 | |                                     .lock()
[INFO] [stdout] 150 | |                                     .unwrap()
[INFO] [stdout]     | |                                             -
[INFO] [stdout]     | |_____________________________________________|
[INFO] [stdout]     | |_____________________________________________this value will be stored in a temporary; let us call it `#3`
[INFO] [stdout]     |                                               `#3` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 158 | |                                 arcs.users.lock().unwrap().remove(&username);
[INFO] [stdout]     | |                                 --------------------------
[INFO] [stdout]     | |                                 |
[INFO] [stdout]     | |                                 this value will be stored in a temporary; let us call it `#4`
[INFO] [stdout]     | |                                 `#4` will be dropped later as of Edition 2024
[INFO] [stdout] ...   |
[INFO] [stdout] 170 | |         } else {
[INFO] [stdout]     | |         - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout] note: `#5` invokes this custom destructor
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.86/src/error.rs:600:1
[INFO] [stdout]     |
[INFO] [stdout] 600 | impl Drop for Error {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/poison/mutex.rs:741:0
[INFO] [stdout] note: `lock` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/poison/mutex.rs:741:0
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/poison/mutex.rs:741:0
[INFO] [stdout] note: `#3` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/poison/mutex.rs:741:0
[INFO] [stdout] note: `#4` 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: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/network.rs:79:19
[INFO] [stdout]     |
[INFO] [stdout]  79 |               match decrypt(payload, room.as_bytes()) { Ok(decrypted) => {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     this value will be stored in a temporary; let us call it `#5`
[INFO] [stdout]     |                     up until Edition 2021 `#5` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 107 | /                                 arcs.network_messages
[INFO] [stdout] 108 | |                                     .lock()
[INFO] [stdout] 109 | |                                     .unwrap()
[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] 110 |                                       .push((username.clone(), msg.clone()));
[INFO] [stdout] 111 |                                   let mut lock = arcs.chat_messages.lock().unwrap();
[INFO] [stdout]     |                                       --------
[INFO] [stdout]     |                                       |
[INFO] [stdout]     |                                       `lock` calls a custom destructor
[INFO] [stdout]     |                                       `lock` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 147 |                                   arcs.users.lock().unwrap().insert(username.clone());
[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] 148 | /                                 presence_map
[INFO] [stdout] 149 | |                                     .lock()
[INFO] [stdout] 150 | |                                     .unwrap()
[INFO] [stdout]     | |                                             -
[INFO] [stdout]     | |_____________________________________________|
[INFO] [stdout]     | |_____________________________________________this value will be stored in a temporary; let us call it `#3`
[INFO] [stdout]     |                                               `#3` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 158 | |                                 arcs.users.lock().unwrap().remove(&username);
[INFO] [stdout]     | |                                 --------------------------
[INFO] [stdout]     | |                                 |
[INFO] [stdout]     | |                                 this value will be stored in a temporary; let us call it `#4`
[INFO] [stdout]     | |                                 `#4` will be dropped later as of Edition 2024
[INFO] [stdout] ...   |
[INFO] [stdout] 170 | |         } else {
[INFO] [stdout]     | |         - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout] note: `#5` invokes this custom destructor
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.86/src/error.rs:600:1
[INFO] [stdout]     |
[INFO] [stdout] 600 | impl Drop for Error {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/poison/mutex.rs:741:0
[INFO] [stdout] note: `lock` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/poison/mutex.rs:741:0
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/poison/mutex.rs:741:0
[INFO] [stdout] note: `#3` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/std/src/sync/poison/mutex.rs:741:0
[INFO] [stdout] note: `#4` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 50.45s
[INFO] [stderr] crater-edition-check: hackchat v0.1.0 (/opt/rustwide/workdir) updating edition from 2021 to 2024
[INFO] [stderr]     Checking hackchat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `follow_chat` is never read
[INFO] [stdout]   --> src/app.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct App {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub follow_chat: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Leave` is never constructed
[INFO] [stdout]   --> src/network.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub enum Op {
[INFO] [stdout]    |          -- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 18 |     Leave(OpCode, String),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/network.rs:217:17
[INFO] [stdout]     |
[INFO] [stdout] 217 |                 socket.send(&to_send);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 217 |                 let _ = socket.send(&to_send);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/network.rs:231:17
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 socket.send(&to_send);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 let _ = socket.send(&to_send);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/network.rs:247:17
[INFO] [stdout]     |
[INFO] [stdout] 247 |                 socket.send(&to_send);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 247 |                 let _ = socket.send(&to_send);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `follow_chat` is never read
[INFO] [stdout]   --> src/app.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct App {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub follow_chat: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Leave` is never constructed
[INFO] [stdout]   --> src/network.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub enum Op {
[INFO] [stdout]    |          -- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 18 |     Leave(OpCode, String),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/network.rs:217:17
[INFO] [stdout]     |
[INFO] [stdout] 217 |                 socket.send(&to_send);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 217 |                 let _ = socket.send(&to_send);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/network.rs:231:17
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 socket.send(&to_send);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 231 |                 let _ = socket.send(&to_send);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/network.rs:247:17
[INFO] [stdout]     |
[INFO] [stdout] 247 |                 socket.send(&to_send);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 247 |                 let _ = socket.send(&to_send);
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 51.03s
[INFO] [stderr] crater-edition-check all packages now at latest edition
[INFO] [stderr] crater-edition-check: all finished
[INFO] running `Command { std: "docker" "inspect" "8c047c2773407b206f5ec90909e005a8f3ac152ab23010dd257d8ccfeb213fe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c047c2773407b206f5ec90909e005a8f3ac152ab23010dd257d8ccfeb213fe4", kill_on_drop: false }`
[INFO] [stdout] 8c047c2773407b206f5ec90909e005a8f3ac152ab23010dd257d8ccfeb213fe4
