[INFO] cloning repository https://github.com/JonathanLT/FRusst
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JonathanLT/FRusst" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonathanLT%2FFRusst", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJonathanLT%2FFRusst'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4af24bf135850005c91f774931d31d1848755bb6
[INFO] fixing JonathanLT/FRusst 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%2FJonathanLT%2FFRusst" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JonathanLT/FRusst
[INFO] finished tweaking git repo https://github.com/JonathanLT/FRusst
[INFO] tweaked toml for git repo https://github.com/JonathanLT/FRusst written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JonathanLT/FRusst 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/JonathanLT/FRusst 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] 9d84238308b3d728646c47b3544b1c2ee6260621cf854d9c93e3e52aefbdb6ff
[INFO] running `Command { std: "docker" "start" "9d84238308b3d728646c47b3544b1c2ee6260621cf854d9c93e3e52aefbdb6ff", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "9d84238308b3d728646c47b3544b1c2ee6260621cf854d9c93e3e52aefbdb6ff", 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" "9d84238308b3d728646c47b3544b1c2ee6260621cf854d9c93e3e52aefbdb6ff" "/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 feed-lib v0.1.0 (/opt/rustwide/workdir/feed-lib)
[INFO] [stderr]    Migrating feed-lib/src/lib.rs from 2021 edition to 2024
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]   --> feed-lib/src/feed_storage.rs:83:30
[INFO] [stdout]    |
[INFO] [stdout] 83 |     while let Some(result) = cursor.next().await {
[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]    |                    |         up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout]    |                    `result` calls a custom destructor
[INFO] [stdout]    |                    `result` 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: `#2` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]    = note: `#1` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]    = note: `result` 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]    = 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]   --> feed-lib/src/feed_reader.rs:65:29
[INFO] [stdout]    |
[INFO] [stdout] 65 |             if let Err(e) = add_feed_item(item).await {
[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]    |                        |    |                   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]    |                        |    up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout]    |                        |    `__awaitee` calls a custom destructor
[INFO] [stdout]    |                        |    `__awaitee` will be dropped later as of Edition 2024
[INFO] [stdout]    |                        `e` calls a custom destructor
[INFO] [stdout]    |                        `e` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 68 |         }
[INFO] [stdout]    |         - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#2` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]    = note: `#1` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]    = note: `e` 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] [stderr]     Checking FRusst v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]   --> feed-lib/src/feed_storage.rs:83:30
[INFO] [stdout]    |
[INFO] [stdout] 83 |     while let Some(result) = cursor.next().await {
[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]    |                    |         up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout]    |                    `result` calls a custom destructor
[INFO] [stdout]    |                    `result` 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: `#2` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]    = note: `#1` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]    = note: `result` 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]    = 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]   --> feed-lib/src/feed_reader.rs:65:29
[INFO] [stdout]    |
[INFO] [stdout] 65 |             if let Err(e) = add_feed_item(item).await {
[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]    |                        |    |                   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]    |                        |    up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout]    |                        |    `__awaitee` calls a custom destructor
[INFO] [stdout]    |                        |    `__awaitee` will be dropped later as of Edition 2024
[INFO] [stdout]    |                        `e` calls a custom destructor
[INFO] [stdout]    |                        `e` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 68 |         }
[INFO] [stdout]    |         - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#2` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]    = note: `#1` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]    = note: `e` 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] [stderr] warning: `src/main.rs` is already on the latest edition (2024), unable to migrate further
[INFO] [stderr] 
[INFO] [stderr] If you are trying to migrate from the previous edition (2021), the
[INFO] [stderr] process requires following these steps:
[INFO] [stderr] 
[INFO] [stderr] 1. Start with `edition = "2021"` in `Cargo.toml`
[INFO] [stderr] 2. Run `cargo fix --edition`
[INFO] [stderr] 3. Modify `Cargo.toml` to set `edition = "2024"`
[INFO] [stderr] 4. Run `cargo build` or `cargo test` to verify the fixes worked
[INFO] [stderr] 
[INFO] [stderr] More details may be found at
[INFO] [stderr] https://doc.rust-lang.org/edition-guide/editions/transitioning-an-existing-project-to-a-new-edition.html
[INFO] [stderr] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 54.45s
[INFO] [stderr] crater-edition-check: feed-lib v0.1.0 (/opt/rustwide/workdir/feed-lib) updating edition from 2021 to 2024
[INFO] [stderr] crater-edition-check: FRusst v0.1.0 (/opt/rustwide/workdir) updating edition from 2024 to 2024
[INFO] [stderr]     Checking feed-lib v0.1.0 (/opt/rustwide/workdir/feed-lib)
[INFO] [stdout] warning: unused import: `encoding_rs::Encoding`
[INFO] [stdout]   --> feed-lib/src/feed_reader.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use encoding_rs::Encoding;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `encoding_rs::Encoding`
[INFO] [stdout]   --> feed-lib/src/feed_reader.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use encoding_rs::Encoding;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> feed-lib/src/feed_manager.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let mut all_items = Vec::new();
[INFO] [stdout]    |             ----^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> feed-lib/src/feed_manager.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let mut all_items = Vec::new();
[INFO] [stdout]    |             ----^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]   --> feed-lib/src/feed_reader.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::io::Read;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `feeds` and `feeds_items` are never read
[INFO] [stdout]  --> feed-lib/src/feed_manager.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct FeedManager {
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] 8 |     feeds: Vec<Feed>,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 9 |     feeds_items: Vec<FeedItem>,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ping` is never used
[INFO] [stdout]    --> feed-lib/src/feed_storage.rs:131:14
[INFO] [stdout]     |
[INFO] [stdout] 131 | pub async fn ping() -> mongodb::error::Result<()> {
[INFO] [stdout]     |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_multiple_feeds` is never used
[INFO] [stdout]   --> feed-lib/src/feed_reader.rs:75:14
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub async fn read_multiple_feeds(feeds: Vec<Feed>) {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]   --> feed-lib/src/feed_reader.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::io::Read;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking FRusst v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `feeds` and `feeds_items` are never read
[INFO] [stdout]  --> feed-lib/src/feed_manager.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct FeedManager {
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] 8 |     feeds: Vec<Feed>,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 9 |     feeds_items: Vec<FeedItem>,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_multiple_feeds` is never used
[INFO] [stdout]   --> feed-lib/src/feed_reader.rs:75:14
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub async fn read_multiple_feeds(feeds: Vec<Feed>) {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 55.74s
[INFO] [stderr] crater-edition-check all packages now at latest edition
[INFO] [stderr] crater-edition-check: all finished
[INFO] running `Command { std: "docker" "inspect" "9d84238308b3d728646c47b3544b1c2ee6260621cf854d9c93e3e52aefbdb6ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d84238308b3d728646c47b3544b1c2ee6260621cf854d9c93e3e52aefbdb6ff", kill_on_drop: false }`
[INFO] [stdout] 9d84238308b3d728646c47b3544b1c2ee6260621cf854d9c93e3e52aefbdb6ff
