[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 }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 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 }` [INFO] [stderr] crater-edition-check: migrating to next edition [INFO] [stderr] Migrating Cargo.toml from 2021 edition to 2024 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling version_check v0.9.5 [INFO] [stderr] Compiling typenum v1.17.0 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling rustversion v1.0.17 [INFO] [stderr] Compiling rustix v0.38.35 [INFO] [stderr] Checking bitflags v2.6.0 [INFO] [stderr] Checking linux-raw-sys v0.4.14 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Checking tracing-core v0.1.32 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling ahash v0.8.11 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Compiling shlex v1.3.0 [INFO] [stderr] Compiling signal-hook v0.3.17 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Compiling cc v1.1.15 [INFO] [stderr] Checking sharded-slab v0.1.7 [INFO] [stderr] Checking thread_local v1.1.8 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Compiling serde v1.0.209 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking signal-hook-registry v1.4.2 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking subtle v2.6.1 [INFO] [stderr] Checking pin-project-lite v0.2.14 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Checking cpufeatures v0.2.13 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Compiling syn v2.0.76 [INFO] [stderr] 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[INFO] [stderr] Checking deranged v0.3.11 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Checking tracing-error v0.2.0 [INFO] [stderr] Checking xattr v1.3.1 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Checking aes v0.8.4 [INFO] [stderr] Checking ctr v0.9.2 [INFO] [stderr] Checking signal-hook-mio v0.2.4 [INFO] [stderr] Checking polyval v0.6.2 [INFO] [stderr] Checking aead v0.5.2 [INFO] [stderr] Checking itertools v0.13.0 [INFO] [stderr] Checking parking_lot v0.12.3 [INFO] [stderr] Checking filetime v0.2.25 [INFO] [stderr] Checking castaway v0.2.3 [INFO] [stderr] Checking unicode-segmentation v1.11.0 [INFO] [stderr] Checking num-conv v0.1.0 [INFO] [stderr] Checking base64 v0.21.7 [INFO] [stderr] Checking zeroize v1.8.1 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Checking time-core v0.1.2 [INFO] [stderr] Checking num_threads v0.1.7 [INFO] [stderr] Checking unicode-width v0.1.13 [INFO] [stderr] Checking indenter v0.3.3 [INFO] [stderr] Checking owo-colors v3.5.0 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Checking rustc-demangle v0.1.24 [INFO] [stderr] Checking compact_str v0.8.0 [INFO] [stderr] Checking aes-gcm-siv v0.11.1 [INFO] [stderr] Checking time v0.3.36 [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Checking rust-argon2 v1.0.1 [INFO] [stderr] Checking tar v0.4.41 [INFO] [stderr] Checking lru v0.12.4 [INFO] [stderr] Checking crossterm v0.28.1 [INFO] [stderr] Checking unicode-truncate v1.1.0 [INFO] [stderr] Checking color-spantrace v0.2.1 [INFO] [stderr] Checking cassowary v0.3.0 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking color-eyre v0.6.3 [INFO] [stderr] Compiling strum_macros v0.26.4 [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Compiling instability v0.3.2 [INFO] [stderr] Checking strum v0.26.3 [INFO] [stderr] Checking ratatui v0.28.1 [INFO] [stderr] Checking simple_crypt v0.2.3 [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 [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 [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