[INFO] cloning repository https://github.com/volundmush/mudcrab [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/volundmush/mudcrab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvolundmush%2Fmudcrab", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvolundmush%2Fmudcrab'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d606116508225afd4829f5058f325ffb9e197b09 [INFO] checking volundmush/mudcrab against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvolundmush%2Fmudcrab" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/volundmush/mudcrab on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/volundmush/mudcrab [INFO] finished tweaking git repo https://github.com/volundmush/mudcrab [INFO] tweaked toml for git repo https://github.com/volundmush/mudcrab written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded legion_codegen v0.4.0 [INFO] [stderr] Downloaded legion v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eba6d4171c30226be4b1211a78537e8d3cb0843e1c05f9ab7973a6d876050161 [INFO] running `Command { std: "docker" "start" "-a" "eba6d4171c30226be4b1211a78537e8d3cb0843e1c05f9ab7973a6d876050161", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eba6d4171c30226be4b1211a78537e8d3cb0843e1c05f9ab7973a6d876050161", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eba6d4171c30226be4b1211a78537e8d3cb0843e1c05f9ab7973a6d876050161", kill_on_drop: false }` [INFO] [stdout] eba6d4171c30226be4b1211a78537e8d3cb0843e1c05f9ab7973a6d876050161 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 56c1b3a2640b709aa669b27dd44574836edf594d16c2bfd736c574242384d9dc [INFO] running `Command { std: "docker" "start" "-a" "56c1b3a2640b709aa669b27dd44574836edf594d16c2bfd736c574242384d9dc", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo. [INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously. [INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html [INFO] [stderr] When building the following dependencies, the given features will no longer be used: [INFO] [stderr] [INFO] [stderr] syn v1.0.75 (as host dependency): visit [INFO] [stderr] [INFO] [stderr] Compiling libc v0.2.100 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling serde_derive v1.0.129 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling serde v1.0.129 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Checking untrusted v0.7.1 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling erased-serde v0.3.16 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Compiling serde_json v1.0.66 [INFO] [stderr] Checking downcast-rs v1.2.0 [INFO] [stderr] Checking atomic_refcell v0.1.7 [INFO] [stderr] Checking utf8-width v0.1.5 [INFO] [stderr] Checking xml-rs v0.8.4 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Checking colori v0.1.1 [INFO] [stderr] Checking html-escape v0.2.9 [INFO] [stderr] Checking instant v0.1.10 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stderr] Checking bit-set v0.5.2 [INFO] [stderr] Checking itertools v0.10.1 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking xmltree v0.10.3 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking mio v0.7.13 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking webpki v0.21.4 [INFO] [stderr] Checking sct v0.6.1 [INFO] [stderr] Checking rustls v0.19.1 [INFO] [stderr] Compiling thiserror-impl v1.0.26 [INFO] [stderr] Compiling thiserror v1.0.26 [INFO] [stderr] Compiling legion_codegen v0.4.0 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking legion v0.4.0 [INFO] [stderr] Checking mudcrab v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/lib.rs from 2018 edition to 2021 [INFO] [stderr] Fixed src/engine/resources.rs (2 fixes) [INFO] [stderr] Fixed src/engine/mod.rs (13 fixes) [INFO] [stderr] Fixed src/game/objects.rs (1 fix) [INFO] [stderr] Fixed src/game/resources.rs (1 fix) [INFO] [stderr] Fixed src/mudstring/color.rs (3 fixes) [INFO] [stderr] Fixed src/engine/systems.rs (31 fixes) [INFO] [stderr] Fixed src/net/mod.rs (9 fixes) [INFO] [stderr] Fixed src/game/login_cmds.rs (5 fixes) [INFO] [stderr] Fixed src/net/telnet/mod.rs (64 fixes) [INFO] [stderr] Fixed src/mudstring/style.rs (2 fixes) [INFO] [stderr] Fixed src/mudstring/text.rs (1 fix) [INFO] [stdout] warning: variable `handshake` is assigned to, but never used [INFO] [stdout] --> src/net/telnet/mod.rs:412:17 [INFO] [stdout] | [INFO] [stdout] 412 | let mut handshake: u8 = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_handshake` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `handshake` is never read [INFO] [stdout] --> src/net/telnet/mod.rs:435:25 [INFO] [stdout] | [INFO] [stdout] 435 | handshake = op; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `handshake` is never read [INFO] [stdout] --> src/net/telnet/mod.rs:445:25 [INFO] [stdout] | [INFO] [stdout] 445 | handshake = op; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `handshake` is never read [INFO] [stdout] --> src/net/telnet/mod.rs:464:25 [INFO] [stdout] | [INFO] [stdout] 464 | handshake = op; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `handshake` is never read [INFO] [stdout] --> src/net/telnet/mod.rs:474:25 [INFO] [stdout] | [INFO] [stdout] 474 | handshake = op; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `color_number` is never read [INFO] [stdout] --> src/mudstring/color.rs:208:25 [INFO] [stdout] | [INFO] [stdout] 208 | let mut color_number : u8 = 0; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/engine/mod.rs:98:39 [INFO] [stdout] | [INFO] [stdout] 94 | if let Some(n) = &self.config.net { [INFO] [stdout] | ---------------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 98 | if let Ok(_tok) = self.register_listener(plain_telnet.clone(), Protocol::Telnet, ConnType::Plain) { [INFO] [stdout] | ^^^^ ------------ immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `handshake` is assigned to, but never used [INFO] [stdout] --> src/net/telnet/mod.rs:412:17 [INFO] [stdout] | [INFO] [stdout] 412 | let mut handshake: u8 = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_handshake` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `handshake` is never read [INFO] [stdout] --> src/net/telnet/mod.rs:435:25 [INFO] [stdout] | [INFO] [stdout] 435 | handshake = op; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `handshake` is never read [INFO] [stdout] --> src/net/telnet/mod.rs:445:25 [INFO] [stdout] | [INFO] [stdout] 445 | handshake = op; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `handshake` is never read [INFO] [stdout] --> src/net/telnet/mod.rs:464:25 [INFO] [stdout] | [INFO] [stdout] 464 | handshake = op; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `handshake` is never read [INFO] [stdout] --> src/net/telnet/mod.rs:474:25 [INFO] [stdout] | [INFO] [stdout] 474 | handshake = op; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `color_number` is never read [INFO] [stdout] --> src/mudstring/color.rs:208:25 [INFO] [stdout] | [INFO] [stdout] 208 | let mut color_number : u8 = 0; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/engine/mod.rs:98:39 [INFO] [stdout] | [INFO] [stdout] 94 | if let Some(n) = &self.config.net { [INFO] [stdout] | ---------------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 98 | if let Ok(_tok) = self.register_listener(plain_telnet.clone(), Protocol::Telnet, ConnType::Plain) { [INFO] [stdout] | ^^^^ ------------ immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/net/telnet/mod.rs:179:9 [INFO] [stdout] | [INFO] [stdout] 179 | writer.write_all(data.as_ref()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/net/telnet/mod.rs:179:9 [INFO] [stdout] | [INFO] [stdout] 179 | writer.write_all(data.as_ref()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [INFO] [stderr] Fixed src/main.rs (2 fixes) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 42.70s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Compiling serde_derive v1.0.129 [INFO] [stderr] Compiling thiserror-impl v1.0.26 [INFO] [stderr] Compiling thiserror v1.0.26 [INFO] [stderr] Compiling legion_codegen v0.4.0 [INFO] [stderr] Checking serde v1.0.129 [INFO] [stderr] Checking erased-serde v0.3.16 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking serde_json v1.0.66 [INFO] [stderr] Checking legion v0.4.0 [INFO] [stderr] Checking mudcrab v0.1.0 (/tmp/fixit) [INFO] [stdout] warning: variable `handshake` is assigned to, but never used [INFO] [stdout] --> src/net/telnet/mod.rs:412:17 [INFO] [stdout] | [INFO] [stdout] 412 | let mut handshake: u8 = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_handshake` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `handshake` is never read [INFO] [stdout] --> src/net/telnet/mod.rs:435:25 [INFO] [stdout] | [INFO] [stdout] 435 | handshake = op; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `handshake` is never read [INFO] [stdout] --> src/net/telnet/mod.rs:445:25 [INFO] [stdout] | [INFO] [stdout] 445 | handshake = op; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `handshake` is never read [INFO] [stdout] --> src/net/telnet/mod.rs:464:25 [INFO] [stdout] | [INFO] [stdout] 464 | handshake = op; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `handshake` is never read [INFO] [stdout] --> src/net/telnet/mod.rs:474:25 [INFO] [stdout] | [INFO] [stdout] 474 | handshake = op; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `color_number` is never read [INFO] [stdout] --> src/mudstring/color.rs:208:25 [INFO] [stdout] | [INFO] [stdout] 208 | let mut color_number : u8 = 0; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/engine/mod.rs:98:39 [INFO] [stdout] | [INFO] [stdout] 94 | if let Some(n) = &self.config.net { [INFO] [stdout] | ---------------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 98 | if let Ok(_tok) = self.register_listener(plain_telnet.clone(), Protocol::Telnet, ConnType::Plain) { [INFO] [stdout] | ^^^^ ------------ immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `handshake` is assigned to, but never used [INFO] [stdout] --> src/net/telnet/mod.rs:412:17 [INFO] [stdout] | [INFO] [stdout] 412 | let mut handshake: u8 = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_handshake` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `handshake` is never read [INFO] [stdout] --> src/net/telnet/mod.rs:435:25 [INFO] [stdout] | [INFO] [stdout] 435 | handshake = op; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `handshake` is never read [INFO] [stdout] --> src/net/telnet/mod.rs:445:25 [INFO] [stdout] | [INFO] [stdout] 445 | handshake = op; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `handshake` is never read [INFO] [stdout] --> src/net/telnet/mod.rs:464:25 [INFO] [stdout] | [INFO] [stdout] 464 | handshake = op; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `handshake` is never read [INFO] [stdout] --> src/net/telnet/mod.rs:474:25 [INFO] [stdout] | [INFO] [stdout] 474 | handshake = op; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `color_number` is never read [INFO] [stdout] --> src/mudstring/color.rs:208:25 [INFO] [stdout] | [INFO] [stdout] 208 | let mut color_number : u8 = 0; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/engine/mod.rs:98:39 [INFO] [stdout] | [INFO] [stdout] 94 | if let Some(n) = &self.config.net { [INFO] [stdout] | ---------------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 98 | if let Ok(_tok) = self.register_listener(plain_telnet.clone(), Protocol::Telnet, ConnType::Plain) { [INFO] [stdout] | ^^^^ ------------ immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/net/telnet/mod.rs:179:9 [INFO] [stdout] | [INFO] [stdout] 179 | writer.write_all(data.as_ref()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/net/telnet/mod.rs:179:9 [INFO] [stdout] | [INFO] [stdout] 179 | writer.write_all(data.as_ref()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 30.31s [INFO] running `Command { std: "docker" "inspect" "56c1b3a2640b709aa669b27dd44574836edf594d16c2bfd736c574242384d9dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "56c1b3a2640b709aa669b27dd44574836edf594d16c2bfd736c574242384d9dc", kill_on_drop: false }` [INFO] [stdout] 56c1b3a2640b709aa669b27dd44574836edf594d16c2bfd736c574242384d9dc