[INFO] fetching crate naia-shared 0.7.0...
[INFO] checking naia-shared-0.7.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate naia-shared 0.7.0 into /workspace/builds/worker-57/source
[INFO] validating manifest of crates.io crate naia-shared 0.7.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate naia-shared 0.7.0
[INFO] finished tweaking crates.io crate naia-shared 0.7.0
[INFO] tweaked toml for crates.io crate naia-shared 0.7.0 written to /workspace/builds/worker-57/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4d982778f9f1b7cf0034aac63720f19251984880c69d010e02d4b93ba9e6b0a
[INFO] running `Command { std: "docker" "start" "-a" "b4d982778f9f1b7cf0034aac63720f19251984880c69d010e02d4b93ba9e6b0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4d982778f9f1b7cf0034aac63720f19251984880c69d010e02d4b93ba9e6b0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4d982778f9f1b7cf0034aac63720f19251984880c69d010e02d4b93ba9e6b0a", kill_on_drop: false }`
[INFO] [stdout] b4d982778f9f1b7cf0034aac63720f19251984880c69d010e02d4b93ba9e6b0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e273b84f48516b92d63f43cb3d2769d986b3d9437f2158953923bea8d0d47ecc
[INFO] running `Command { std: "docker" "start" "-a" "e273b84f48516b92d63f43cb3d2769d986b3d9437f2158953923bea8d0d47ecc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling nanoserde-derive v0.1.18
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking local_ipaddress v0.1.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking send_wrapper v0.5.0
[INFO] [stderr]     Checking nanoserde v0.1.29
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking naia-socket-shared v0.7.0
[INFO] [stderr]     Checking naia-shared v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/wrapping_number.rs:149:25
[INFO] [stdout]     |
[INFO] [stdout] 149 |         let diff: u16 = (std::u16::MAX / 2);
[INFO] [stdout]     |                         ^                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 149 -         let diff: u16 = (std::u16::MAX / 2);
[INFO] [stdout] 149 +         let diff: u16 = std::u16::MAX / 2;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/diff_mask.rs:206:13
[INFO] [stdout]     |
[INFO] [stdout] 206 |         let mut mask = DiffMask::new(1);
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/diff_mask.rs:260:13
[INFO] [stdout]     |
[INFO] [stdout] 260 |         let mut mask_b = mask_a.clone();
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/diff_mask.rs:321:13
[INFO] [stdout]     |
[INFO] [stdout] 321 |         let mut mask = DiffMask::new(2);
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/diff_mask.rs:383:13
[INFO] [stdout]     |
[INFO] [stdout] 383 |         let mut mask_b = mask_a.clone();
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.41s
[INFO] running `Command { std: "docker" "inspect" "e273b84f48516b92d63f43cb3d2769d986b3d9437f2158953923bea8d0d47ecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e273b84f48516b92d63f43cb3d2769d986b3d9437f2158953923bea8d0d47ecc", kill_on_drop: false }`
[INFO] [stdout] e273b84f48516b92d63f43cb3d2769d986b3d9437f2158953923bea8d0d47ecc