[INFO] cloning repository https://github.com/UE2020/arras-protocol-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/UE2020/arras-protocol-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUE2020%2Farras-protocol-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUE2020%2Farras-protocol-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56edeeb3cf147f29b675a91ae1d7ccb291fa47ba
[INFO] checking UE2020/arras-protocol-rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUE2020%2Farras-protocol-rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/UE2020/arras-protocol-rs on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/UE2020/arras-protocol-rs
[INFO] finished tweaking git repo https://github.com/UE2020/arras-protocol-rs
[INFO] tweaked toml for git repo https://github.com/UE2020/arras-protocol-rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/UE2020/arras-protocol-rs 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e7433125d8c112ef72123cf7b75205aa29533d20e6648545d9c86f708306ab2
[INFO] running `Command { std: "docker" "start" "-a" "0e7433125d8c112ef72123cf7b75205aa29533d20e6648545d9c86f708306ab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e7433125d8c112ef72123cf7b75205aa29533d20e6648545d9c86f708306ab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e7433125d8c112ef72123cf7b75205aa29533d20e6648545d9c86f708306ab2", kill_on_drop: false }`
[INFO] [stdout] 0e7433125d8c112ef72123cf7b75205aa29533d20e6648545d9c86f708306ab2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08599291c9b63a4c11ba709a60dd15c43c38b7b9ee4a6eba5a8c13c6ce6b2282
[INFO] running `Command { std: "docker" "start" "-a" "08599291c9b63a4c11ba709a60dd15c43c38b7b9ee4a6eba5a8c13c6ce6b2282", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.73
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling bumpalo v3.6.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.73
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.73
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.73
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.73
[INFO] [stderr]     Checking js-sys v0.3.50
[INFO] [stderr]     Checking web-sys v0.3.50
[INFO] [stderr]     Checking arras-protocol v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `JsValue` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ------------------------ the item `JsValue` is already imported here
[INFO] [stdout] 2 | use wasm_bindgen::JsValue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `web_sys::*`
[INFO] [stdout]  --> src/fasttalk.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use web_sys::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wasm_bindgen::JsValue`
[INFO] [stdout]  --> src/fasttalk.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use wasm_bindgen::JsValue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `JsValue` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use wasm_bindgen::prelude::*;
[INFO] [stdout]   |     ------------------------ the item `JsValue` is already imported here
[INFO] [stdout] 2 | use wasm_bindgen::JsValue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `web_sys::*`
[INFO] [stdout]  --> src/fasttalk.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use web_sys::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wasm_bindgen::JsValue`
[INFO] [stdout]  --> src/fasttalk.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use wasm_bindgen::JsValue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/fasttalk.rs:187:5
[INFO] [stdout]     |
[INFO] [stdout] 187 |     i = 0;
[INFO] [stdout]     |     ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/fasttalk.rs:339:17
[INFO] [stdout]     |
[INFO] [stdout] 339 |             for i in 0..repeat {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `byte` is never read
[INFO] [stdout]    --> src/fasttalk.rs:453:25
[INFO] [stdout]     |
[INFO] [stdout] 453 |                 let mut byte = 0;
[INFO] [stdout]     |                         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode` is never used
[INFO] [stdout]    --> src/fasttalk.rs:289:8
[INFO] [stdout]     |
[INFO] [stdout] 289 | pub fn decode(packet: Vec<u8>) -> Option<Vec<Block>> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `headerCodes` should have a snake case name
[INFO] [stdout]   --> src/fasttalk.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let mut headerCodes = vec![];
[INFO] [stdout]    |             ^^^^^^^^^^^ help: convert the identifier to snake case: `header_codes`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `contentSize` should have a snake case name
[INFO] [stdout]   --> src/fasttalk.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let mut contentSize = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^ help: convert the identifier to snake case: `content_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `lastTypeCode` should have a snake case name
[INFO] [stdout]   --> src/fasttalk.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let mut lastTypeCode = 0b1111;
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `last_type_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `repeatTypeCount` should have a snake case name
[INFO] [stdout]   --> src/fasttalk.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let mut repeatTypeCount = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `repeat_type_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `typeCode` should have a snake case name
[INFO] [stdout]   --> src/fasttalk.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let mut typeCode = 0;
[INFO] [stdout]    |                 ^^^^^^^^ help: convert the identifier to snake case: `type_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hasUnicode` should have a snake case name
[INFO] [stdout]    --> src/fasttalk.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |             let hasUnicode = !dec.chars().all(|c| char::is_ascii(&c));
[INFO] [stdout]     |                 ^^^^^^^^^^ help: convert the identifier to snake case: `has_unicode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `charCode` should have a snake case name
[INFO] [stdout]    --> src/fasttalk.rs:264:29
[INFO] [stdout]     |
[INFO] [stdout] 264 |                         let charCode = chara;
[INFO] [stdout]     |                             ^^^^^^^^ help: convert the identifier to snake case: `char_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `lastTypeCode` should have a snake case name
[INFO] [stdout]    --> src/fasttalk.rs:296:13
[INFO] [stdout]     |
[INFO] [stdout] 296 |     let mut lastTypeCode = 0b1111;
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `last_type_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `consumedHalf` should have a snake case name
[INFO] [stdout]    --> src/fasttalk.rs:298:13
[INFO] [stdout]     |
[INFO] [stdout] 298 |     let mut consumedHalf = true;
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `consumed_half`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `typeCode` should have a snake case name
[INFO] [stdout]    --> src/fasttalk.rs:303:17
[INFO] [stdout]     |
[INFO] [stdout] 303 |         let mut typeCode = data[index];
[INFO] [stdout]     |                 ^^^^^^^^ help: convert the identifier to snake case: `type_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `repeatCode` should have a snake case name
[INFO] [stdout]    --> src/fasttalk.rs:326:25
[INFO] [stdout]     |
[INFO] [stdout] 326 |                 let mut repeatCode = data[index];
[INFO] [stdout]     |                         ^^^^^^^^^^ help: convert the identifier to snake case: `repeat_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/fasttalk.rs:187:5
[INFO] [stdout]     |
[INFO] [stdout] 187 |     i = 0;
[INFO] [stdout]     |     ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/fasttalk.rs:339:17
[INFO] [stdout]     |
[INFO] [stdout] 339 |             for i in 0..repeat {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `byte` is never read
[INFO] [stdout]    --> src/fasttalk.rs:453:25
[INFO] [stdout]     |
[INFO] [stdout] 453 |                 let mut byte = 0;
[INFO] [stdout]     |                         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode` is never used
[INFO] [stdout]    --> src/fasttalk.rs:289:8
[INFO] [stdout]     |
[INFO] [stdout] 289 | pub fn decode(packet: Vec<u8>) -> Option<Vec<Block>> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `headerCodes` should have a snake case name
[INFO] [stdout]   --> src/fasttalk.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let mut headerCodes = vec![];
[INFO] [stdout]    |             ^^^^^^^^^^^ help: convert the identifier to snake case: `header_codes`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `contentSize` should have a snake case name
[INFO] [stdout]   --> src/fasttalk.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let mut contentSize = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^ help: convert the identifier to snake case: `content_size`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `lastTypeCode` should have a snake case name
[INFO] [stdout]   --> src/fasttalk.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let mut lastTypeCode = 0b1111;
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `last_type_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `repeatTypeCount` should have a snake case name
[INFO] [stdout]   --> src/fasttalk.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let mut repeatTypeCount = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `repeat_type_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `typeCode` should have a snake case name
[INFO] [stdout]   --> src/fasttalk.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |         let mut typeCode = 0;
[INFO] [stdout]    |                 ^^^^^^^^ help: convert the identifier to snake case: `type_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `hasUnicode` should have a snake case name
[INFO] [stdout]    --> src/fasttalk.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |             let hasUnicode = !dec.chars().all(|c| char::is_ascii(&c));
[INFO] [stdout]     |                 ^^^^^^^^^^ help: convert the identifier to snake case: `has_unicode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `charCode` should have a snake case name
[INFO] [stdout]    --> src/fasttalk.rs:264:29
[INFO] [stdout]     |
[INFO] [stdout] 264 |                         let charCode = chara;
[INFO] [stdout]     |                             ^^^^^^^^ help: convert the identifier to snake case: `char_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `lastTypeCode` should have a snake case name
[INFO] [stdout]    --> src/fasttalk.rs:296:13
[INFO] [stdout]     |
[INFO] [stdout] 296 |     let mut lastTypeCode = 0b1111;
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `last_type_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `consumedHalf` should have a snake case name
[INFO] [stdout]    --> src/fasttalk.rs:298:13
[INFO] [stdout]     |
[INFO] [stdout] 298 |     let mut consumedHalf = true;
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `consumed_half`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `typeCode` should have a snake case name
[INFO] [stdout]    --> src/fasttalk.rs:303:17
[INFO] [stdout]     |
[INFO] [stdout] 303 |         let mut typeCode = data[index];
[INFO] [stdout]     |                 ^^^^^^^^ help: convert the identifier to snake case: `type_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `repeatCode` should have a snake case name
[INFO] [stdout]    --> src/fasttalk.rs:326:25
[INFO] [stdout]     |
[INFO] [stdout] 326 |                 let mut repeatCode = data[index];
[INFO] [stdout]     |                         ^^^^^^^^^^ help: convert the identifier to snake case: `repeat_code`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.61s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: wasm-bindgen v0.2.73
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "08599291c9b63a4c11ba709a60dd15c43c38b7b9ee4a6eba5a8c13c6ce6b2282", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08599291c9b63a4c11ba709a60dd15c43c38b7b9ee4a6eba5a8c13c6ce6b2282", kill_on_drop: false }`
[INFO] [stdout] 08599291c9b63a4c11ba709a60dd15c43c38b7b9ee4a6eba5a8c13c6ce6b2282