[INFO] cloning repository https://github.com/smile921/uuuuuuuuuuuuudddddddddddddddddddddddppppppppppppppppppp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/smile921/uuuuuuuuuuuuudddddddddddddddddddddddppppppppppppppppppp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmile921%2Fuuuuuuuuuuuuudddddddddddddddddddddddppppppppppppppppppp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmile921%2Fuuuuuuuuuuuuudddddddddddddddddddddddppppppppppppppppppp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e9f3de784d7e747d6cbbed3296cae8ad3232d5b
[INFO] checking smile921/uuuuuuuuuuuuudddddddddddddddddddddddppppppppppppppppppp against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmile921%2Fuuuuuuuuuuuuudddddddddddddddddddddddppppppppppppppppppp" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/smile921/uuuuuuuuuuuuudddddddddddddddddddddddppppppppppppppppppp on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/smile921/uuuuuuuuuuuuudddddddddddddddddddddddppppppppppppppppppp
[INFO] finished tweaking git repo https://github.com/smile921/uuuuuuuuuuuuudddddddddddddddddddddddppppppppppppppppppp
[INFO] tweaked toml for git repo https://github.com/smile921/uuuuuuuuuuuuudddddddddddddddddddddddppppppppppppppppppp written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/smile921/uuuuuuuuuuuuudddddddddddddddddddddddppppppppppppppppppp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53da3d2bf206b25b41d75d15f6bee1453ef107ab3c381acfe41abaed56b592c5
[INFO] running `Command { std: "docker" "start" "-a" "53da3d2bf206b25b41d75d15f6bee1453ef107ab3c381acfe41abaed56b592c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53da3d2bf206b25b41d75d15f6bee1453ef107ab3c381acfe41abaed56b592c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53da3d2bf206b25b41d75d15f6bee1453ef107ab3c381acfe41abaed56b592c5", kill_on_drop: false }`
[INFO] [stdout] 53da3d2bf206b25b41d75d15f6bee1453ef107ab3c381acfe41abaed56b592c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d48a4a1145fd08bd17db149e4da19d8eb1b67ba9b4d5273e8a7277d69acc0ce
[INFO] running `Command { std: "docker" "start" "-a" "3d48a4a1145fd08bd17db149e4da19d8eb1b67ba9b4d5273e8a7277d69acc0ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking fd-lock v2.0.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.20.1
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rustyline v8.2.0
[INFO] [stderr]     Checking udpTool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `io`
[INFO] [stdout]  --> src/udp-server.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{io, str};
[INFO] [stdout]   |           ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io`
[INFO] [stdout]  --> src/udp-server.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{io, str};
[INFO] [stdout]   |           ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `udpTool` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `udp_tool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `udpServer` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `udp_server`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `udpClient` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `udp_client`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `udpTool` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `udp_tool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `udpServer` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `udp_server`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `udpClient` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `udp_client`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.39s
[INFO] running `Command { std: "docker" "inspect" "3d48a4a1145fd08bd17db149e4da19d8eb1b67ba9b4d5273e8a7277d69acc0ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d48a4a1145fd08bd17db149e4da19d8eb1b67ba9b4d5273e8a7277d69acc0ce", kill_on_drop: false }`
[INFO] [stdout] 3d48a4a1145fd08bd17db149e4da19d8eb1b67ba9b4d5273e8a7277d69acc0ce