[INFO] fetching crate fudi-rs 0.3.1...
[INFO] checking fudi-rs-0.3.1 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate fudi-rs 0.3.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate fudi-rs 0.3.1 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fudi-rs 0.3.1
[INFO] finished tweaking crates.io crate fudi-rs 0.3.1
[INFO] tweaked toml for crates.io crate fudi-rs 0.3.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate fudi-rs 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 812c2bef6ddbc098e3a7198569a3e7ebaee711ef4a6fe49677384a9b3d9adaf1
[INFO] running `Command { std: "docker" "start" "-a" "812c2bef6ddbc098e3a7198569a3e7ebaee711ef4a6fe49677384a9b3d9adaf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "812c2bef6ddbc098e3a7198569a3e7ebaee711ef4a6fe49677384a9b3d9adaf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "812c2bef6ddbc098e3a7198569a3e7ebaee711ef4a6fe49677384a9b3d9adaf1", kill_on_drop: false }`
[INFO] [stdout] 812c2bef6ddbc098e3a7198569a3e7ebaee711ef4a6fe49677384a9b3d9adaf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdacf580cf9b633c0bbde776b3e42da209861c42aa1a39bef4e9476f2203ade4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fdacf580cf9b633c0bbde776b3e42da209861c42aa1a39bef4e9476f2203ade4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling lexical-core v0.7.5
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]     Checking bitvec v0.19.4
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking fudi-rs v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `IpAddr`, `Ipv4Addr`
[INFO] [stdout]   --> src/lib.rs:23:16
[INFO] [stdout]    |
[INFO] [stdout] 23 | use std::net::{IpAddr, Ipv4Addr, SocketAddr, UdpSocket};
[INFO] [stdout]    |                ^^^^^^  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> src/parser.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `atom`
[INFO] [stdout]   --> src/lib.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 for atom in items.iter() {}
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_atom`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remainder`
[INFO] [stdout]    --> src/parser.rs:115:14
[INFO] [stdout]     |
[INFO] [stdout] 115 |         let (remainder, chunks) = parsing_result;
[INFO] [stdout]     |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remainder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:231:13
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let mut data;
[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: unused variable: `atom`
[INFO] [stdout]   --> src/lib.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 for atom in items.iter() {}
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_atom`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remainder`
[INFO] [stdout]    --> src/parser.rs:115:14
[INFO] [stdout]     |
[INFO] [stdout] 115 |         let (remainder, chunks) = parsing_result;
[INFO] [stdout]     |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_remainder`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:231:13
[INFO] [stdout]     |
[INFO] [stdout] 231 |         let mut data;
[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: function is never used: `valid_atom_character`
[INFO] [stdout]   --> src/parser.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn valid_atom_character(c: u8) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:186:33
[INFO] [stdout]     |
[INFO] [stdout] 186 |             Err(fail) => panic!(fail),
[INFO] [stdout]     |                                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 186 |             Err(fail) => panic!("{}", fail),
[INFO] [stdout]     |                                 +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 186 |             Err(fail) => std::panic::panic_any(fail),
[INFO] [stdout]     |                          ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:198:33
[INFO] [stdout]     |
[INFO] [stdout] 198 |             Err(fail) => panic!(fail),
[INFO] [stdout]     |                                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 198 |             Err(fail) => panic!("{}", fail),
[INFO] [stdout]     |                                 +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 198 |             Err(fail) => std::panic::panic_any(fail),
[INFO] [stdout]     |                          ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.97s
[INFO] running `Command { std: "docker" "inspect" "fdacf580cf9b633c0bbde776b3e42da209861c42aa1a39bef4e9476f2203ade4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdacf580cf9b633c0bbde776b3e42da209861c42aa1a39bef4e9476f2203ade4", kill_on_drop: false }`
[INFO] [stdout] fdacf580cf9b633c0bbde776b3e42da209861c42aa1a39bef4e9476f2203ade4
