[INFO] fetching crate flatline 0.0.11...
[INFO] fixing flatline-0.0.11 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817-2
[INFO] extracting crate flatline 0.0.11 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate flatline 0.0.11
[INFO] finished tweaking crates.io crate flatline 0.0.11
[INFO] tweaked toml for crates.io crate flatline 0.0.11 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate flatline 0.0.11 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 flatline 0.0.11 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-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 }`
[INFO] [stdout] b5ca97a4adade10da99ddd533548a0986d99feb79a8b32e59cbc4c4ea93bf2bb
[INFO] running `Command { std: "docker" "start" "b5ca97a4adade10da99ddd533548a0986d99feb79a8b32e59cbc4c4ea93bf2bb", 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" "b5ca97a4adade10da99ddd533548a0986d99feb79a8b32e59cbc4c4ea93bf2bb" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5ca97a4adade10da99ddd533548a0986d99feb79a8b32e59cbc4c4ea93bf2bb", 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" "b5ca97a4adade10da99ddd533548a0986d99feb79a8b32e59cbc4c4ea93bf2bb" "/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 proc-macro2 v1.0.81
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling cc v1.0.96
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling either v1.11.0
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking pbkdf2 v0.12.2
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking blowfish v0.9.1
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking bcrypt-pbkdf v0.10.0
[INFO] [stderr]    Compiling openssl-src v300.2.3+3.2.1
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]    Compiling openssl-sys v0.9.102
[INFO] [stderr]    Compiling libz-sys v1.1.16
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking parking_lot v0.12.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking flate2 v1.0.30
[INFO] [stderr]    Compiling darling_core v0.20.8
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling snafu-derive v0.8.4
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling derive-new v0.6.0
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling async-trait v0.1.80
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]    Compiling darling_macro v0.20.8
[INFO] [stderr]     Checking snafu v0.8.4
[INFO] [stderr]    Compiling darling v0.20.8
[INFO] [stderr]    Compiling custom_debug_derive v0.6.1
[INFO] [stderr]     Checking flatline v0.0.11 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/lib.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed src/session.rs (3 fixes)
[INFO] [stderr]        Fixed src/ssh/buffer.rs (12 fixes)
[INFO] [stderr]        Fixed src/sftp.rs (1 fix)
[INFO] [stderr]        Fixed src/cipher/mod.rs (3 fixes)
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/session.rs:333:10
[INFO] [stdout]     |
[INFO] [stdout] 309 |         let openssh = KeyParser::default();
[INFO] [stdout]     |             -------
[INFO] [stdout]     |             |
[INFO] [stdout]     |             `openssh` calls a custom destructor
[INFO] [stdout]     |             `openssh` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 333 |         .await
[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] 334 |     }
[INFO] [stdout]     |     - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `openssh` 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]     --> src/sftp.rs:648:16
[INFO] [stdout]      |
[INFO] [stdout]  641 |         let session = channel.session();
[INFO] [stdout]      |             -------
[INFO] [stdout]      |             |
[INFO] [stdout]      |             `session` calls a custom destructor
[INFO] [stdout]      |             `session` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout]  648 |         recver.await?
[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]  649 |     }
[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]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.37.0/src/sync/oneshot.rs:1072:1
[INFO] [stdout]      |
[INFO] [stdout] 1072 | impl<T> Drop for Receiver<T> {
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `session` invokes this custom destructor
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.37.0/src/sync/mpsc/chan.rs:222:1
[INFO] [stdout]      |
[INFO] [stdout]  222 | impl<T, S> Drop for Tx<T, S> {
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/handshake.rs:807:19
[INFO] [stdout]     |
[INFO] [stdout] 782 |             let server_crypt = server_crypt.create();
[INFO] [stdout]     |                 ------------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 `server_crypt` calls a custom destructor
[INFO] [stdout]     |                 `server_crypt` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 794 |             let client_crypt = client_crypt.create();
[INFO] [stdout]     |                 ------------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 `client_crypt` calls a custom destructor
[INFO] [stdout]     |                 `client_crypt` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 807 |             match (client_mac, server_mac) {
[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] 820 |         }
[INFO] [stdout]     |         - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#1` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]     = note: `server_crypt` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]     = note: `client_crypt` 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]        Fixed src/test.rs (2 fixes)
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/session.rs:333:10
[INFO] [stdout]     |
[INFO] [stdout] 309 |         let openssh = KeyParser::default();
[INFO] [stdout]     |             -------
[INFO] [stdout]     |             |
[INFO] [stdout]     |             `openssh` calls a custom destructor
[INFO] [stdout]     |             `openssh` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 333 |         .await
[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] 334 |     }
[INFO] [stdout]     |     - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `openssh` 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]     --> src/sftp.rs:648:16
[INFO] [stdout]      |
[INFO] [stdout]  641 |         let session = channel.session();
[INFO] [stdout]      |             -------
[INFO] [stdout]      |             |
[INFO] [stdout]      |             `session` calls a custom destructor
[INFO] [stdout]      |             `session` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout]  648 |         recver.await?
[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]  649 |     }
[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]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.37.0/src/sync/oneshot.rs:1072:1
[INFO] [stdout]      |
[INFO] [stdout] 1072 | impl<T> Drop for Receiver<T> {
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `session` invokes this custom destructor
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.37.0/src/sync/mpsc/chan.rs:222:1
[INFO] [stdout]      |
[INFO] [stdout]  222 | impl<T, S> Drop for Tx<T, S> {
[INFO] [stdout]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/handshake.rs:807:19
[INFO] [stdout]     |
[INFO] [stdout] 782 |             let server_crypt = server_crypt.create();
[INFO] [stdout]     |                 ------------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 `server_crypt` calls a custom destructor
[INFO] [stdout]     |                 `server_crypt` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 794 |             let client_crypt = client_crypt.create();
[INFO] [stdout]     |                 ------------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 `client_crypt` calls a custom destructor
[INFO] [stdout]     |                 `client_crypt` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 807 |             match (client_mac, server_mac) {
[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] 820 |         }
[INFO] [stdout]     |         - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#1` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]     = note: `server_crypt` may invoke a custom destructor because it contains a trait object
[INFO] [stdout]     = note: `client_crypt` 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: relative drop order changing in Rust 2024
[INFO] [stdout]   --> src/test.rs:64:58
[INFO] [stdout]    |
[INFO] [stdout] 64 |         echo_hello(rand_config::<DefaultBehavior>(), 10).await
[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]    |         `__awaitee` calls a custom destructor
[INFO] [stdout]    |         `__awaitee` will be dropped later as of Edition 2024
[INFO] [stdout] 65 |     }
[INFO] [stdout]    |     - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]    |
[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]    Migrating examples/direct_tcpip.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/rexchange.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/hostkey.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/sftp_write.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/x11.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/password.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/keyboard_interactive.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/hello_world.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/sftp_read.rs from 2021 edition to 2024
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 05s
[INFO] [stderr] crater-edition-check: flatline v0.0.11 (/opt/rustwide/workdir) updating edition from 2021 to 2024
[INFO] [stderr]     Checking flatline v0.0.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/x11.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let mut channel = session.channel_open_default().await.unwrap();
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 09s
[INFO] [stderr] crater-edition-check all packages now at latest edition
[INFO] [stderr] crater-edition-check: all finished
[INFO] running `Command { std: "docker" "inspect" "b5ca97a4adade10da99ddd533548a0986d99feb79a8b32e59cbc4c4ea93bf2bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5ca97a4adade10da99ddd533548a0986d99feb79a8b32e59cbc4c4ea93bf2bb", kill_on_drop: false }`
[INFO] [stdout] b5ca97a4adade10da99ddd533548a0986d99feb79a8b32e59cbc4c4ea93bf2bb
