[INFO] fetching crate ipnet 2.9.0...
[INFO] checking ipnet-2.9.0 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-2
[INFO] extracting crate ipnet 2.9.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate ipnet 2.9.0 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ipnet 2.9.0
[INFO] finished tweaking crates.io crate ipnet 2.9.0
[INFO] tweaked toml for crates.io crate ipnet 2.9.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 20 packages
[INFO] [stderr]       Adding serde_derive_internals v0.26.0 (latest: v0.29.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.57)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hash32 v0.3.1
[INFO] [stderr]   Downloaded heapless v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68a1955d3688db11d172bf4f4da9d76b98a8c165da7ac1e3fdbf716433d69081
[INFO] running `Command { std: "docker" "start" "-a" "68a1955d3688db11d172bf4f4da9d76b98a8c165da7ac1e3fdbf716433d69081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68a1955d3688db11d172bf4f4da9d76b98a8c165da7ac1e3fdbf716433d69081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68a1955d3688db11d172bf4f4da9d76b98a8c165da7ac1e3fdbf716433d69081", kill_on_drop: false }`
[INFO] [stdout] 68a1955d3688db11d172bf4f4da9d76b98a8c165da7ac1e3fdbf716433d69081
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90c774e29d3e88499b1362123006153978fd8be9ba59561e0376395a6181ea84
[INFO] running `Command { std: "docker" "start" "-a" "90c774e29d3e88499b1362123006153978fd8be9ba59561e0376395a6181ea84", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking ipnet v2.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `DoubleEndedIterator` is imported redundantly
[INFO] [stdout]  --> src/ipext.rs:8:33
[INFO] [stdout]   |
[INFO] [stdout] 8 | use core::iter::{FusedIterator, DoubleEndedIterator};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/prelude/mod.rs:47:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `DoubleEndedIterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/ipnet.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::convert::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/prelude/mod.rs:47:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Some` is imported redundantly
[INFO] [stdout]  --> src/ipnet.rs:7:28
[INFO] [stdout]   |
[INFO] [stdout] 7 | use core::option::Option::{Some, None};
[INFO] [stdout]   |                            ^^^^
[INFO] [stdout]  --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/prelude/mod.rs:47:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Some` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `None` is imported redundantly
[INFO] [stdout]  --> src/ipnet.rs:7:34
[INFO] [stdout]   |
[INFO] [stdout] 7 | use core::option::Option::{Some, None};
[INFO] [stdout]   |                                  ^^^^
[INFO] [stdout]  --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/prelude/mod.rs:47:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `None` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde_test v1.0.176
[INFO] [stdout] warning: the item `DoubleEndedIterator` is imported redundantly
[INFO] [stdout]  --> src/ipext.rs:8:33
[INFO] [stdout]   |
[INFO] [stdout] 8 | use core::iter::{FusedIterator, DoubleEndedIterator};
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/prelude/mod.rs:47:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `DoubleEndedIterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `IpAddr` is imported redundantly
[INFO] [stdout]    --> src/ipext.rs:757:20
[INFO] [stdout]     |
[INFO] [stdout] 757 |     use std::net::{IpAddr, Ipv4Addr, Ipv6Addr};
[INFO] [stdout]     |                    ^^^^^^
[INFO] [stdout] 758 |     use super::*;
[INFO] [stdout]     |         -------- the item `IpAddr` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ipv4Addr` is imported redundantly
[INFO] [stdout]    --> src/ipext.rs:757:28
[INFO] [stdout]     |
[INFO] [stdout] 757 |     use std::net::{IpAddr, Ipv4Addr, Ipv6Addr};
[INFO] [stdout]     |                            ^^^^^^^^
[INFO] [stdout] 758 |     use super::*;
[INFO] [stdout]     |         -------- the item `Ipv4Addr` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ipv6Addr` is imported redundantly
[INFO] [stdout]    --> src/ipext.rs:757:38
[INFO] [stdout]     |
[INFO] [stdout] 757 |     use std::net::{IpAddr, Ipv4Addr, Ipv6Addr};
[INFO] [stdout]     |                                      ^^^^^^^^
[INFO] [stdout] 758 |     use super::*;
[INFO] [stdout]     |         -------- the item `Ipv6Addr` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/ipnet.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use core::convert::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/prelude/mod.rs:47:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.62s
[INFO] running `Command { std: "docker" "inspect" "90c774e29d3e88499b1362123006153978fd8be9ba59561e0376395a6181ea84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90c774e29d3e88499b1362123006153978fd8be9ba59561e0376395a6181ea84", kill_on_drop: false }`
[INFO] [stdout] 90c774e29d3e88499b1362123006153978fd8be9ba59561e0376395a6181ea84