[INFO] cloning repository https://github.com/Ongy/dhcp-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ongy/dhcp-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOngy%2Fdhcp-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOngy%2Fdhcp-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c49bb9521a5e720109c7ff36eb130936fb3aedc
[INFO] checking Ongy/dhcp-rs against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOngy%2Fdhcp-rs" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ongy/dhcp-rs on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ongy/dhcp-rs
[INFO] finished tweaking git repo https://github.com/Ongy/dhcp-rs
[INFO] tweaked toml for git repo https://github.com/Ongy/dhcp-rs written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/Ongy/dhcp-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbf9c9fc5741f7cce701f17362658cfd181564cce9657f1235d9ce3971a2009e
[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" "dbf9c9fc5741f7cce701f17362658cfd181564cce9657f1235d9ce3971a2009e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbf9c9fc5741f7cce701f17362658cfd181564cce9657f1235d9ce3971a2009e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbf9c9fc5741f7cce701f17362658cfd181564cce9657f1235d9ce3971a2009e", kill_on_drop: false }`
[INFO] [stdout] dbf9c9fc5741f7cce701f17362658cfd181564cce9657f1235d9ce3971a2009e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0ec20fa00067b3cabb31d492678e479cdd3dd6315b8e603478a4a757599b0d7
[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" "a0ec20fa00067b3cabb31d492678e479cdd3dd6315b8e603478a4a757599b0d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling regex-syntax v0.4.1
[INFO] [stderr]     Checking pnet_base v0.20.0
[INFO] [stderr]    Compiling pnet v0.20.0
[INFO] [stderr]     Checking ipnetwork v0.12.7
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking either v1.4.0
[INFO] [stderr]     Checking serde v1.0.24
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]     Checking pnet_sys v0.20.0
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking unix_socket v0.5.0
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking nix v0.7.0
[INFO] [stderr]    Compiling serde_derive_internals v0.18.0
[INFO] [stderr]    Compiling rs-config-derive v0.1.0 (https://github.com/Ongy/config-rs#5d2e1a25)
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]     Checking itertools v0.7.4
[INFO] [stderr]     Checking pnet_macros_support v0.20.0
[INFO] [stderr]     Checking caps v0.1.0
[INFO] [stderr]     Checking clap v2.29.0
[INFO] [stderr]     Checking syslog v3.3.0
[INFO] [stderr]     Checking regex v0.2.3
[INFO] [stderr]     Checking pnet_datalink v0.20.0
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling serde_derive v1.0.24
[INFO] [stderr]     Checking rs-config v0.1.0 (https://github.com/Ongy/config-rs#5d2e1a25)
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking privdrop v0.1.3
[INFO] [stderr]     Checking quickcheck v0.5.0
[INFO] [stderr]     Checking serde_json v1.0.8
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.20.0
[INFO] [stderr]    Compiling pnet_packet v0.20.0
[INFO] [stderr]     Checking pnet_transport v0.20.0
[INFO] [stderr]     Checking dhcp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/allocator.rs:295:37
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn next_ip(&mut self) -> Option<(Ipv4Addr)> {
[INFO] [stdout]     |                                     ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/interface.rs:44:32
[INFO] [stdout]    |
[INFO] [stdout] 44 |             -> (Interface, Box<pnet::datalink::DataLinkSender>, Box<pnet::datalink::DataLinkReceiver>) {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn pnet::datalink::DataLinkSender`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/interface.rs:44:69
[INFO] [stdout]    |
[INFO] [stdout] 44 |             -> (Interface, Box<pnet::datalink::DataLinkSender>, Box<pnet::datalink::DataLinkReceiver>) {
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn pnet::datalink::DataLinkReceiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/handler.rs:227:34
[INFO] [stdout]     |
[INFO] [stdout] 227 |         tx: &mut std::boxed::Box<pnet::datalink::DataLinkSender>,
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn pnet::datalink::DataLinkSender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/allocator.rs:295:37
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn next_ip(&mut self) -> Option<(Ipv4Addr)> {
[INFO] [stdout]     |                                     ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/interface.rs:44:32
[INFO] [stdout]    |
[INFO] [stdout] 44 |             -> (Interface, Box<pnet::datalink::DataLinkSender>, Box<pnet::datalink::DataLinkReceiver>) {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn pnet::datalink::DataLinkSender`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/interface.rs:44:69
[INFO] [stdout]    |
[INFO] [stdout] 44 |             -> (Interface, Box<pnet::datalink::DataLinkSender>, Box<pnet::datalink::DataLinkReceiver>) {
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn pnet::datalink::DataLinkReceiver`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/handler.rs:227:34
[INFO] [stdout]     |
[INFO] [stdout] 227 |         tx: &mut std::boxed::Box<pnet::datalink::DataLinkSender>,
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn pnet::datalink::DataLinkSender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]  --> src/packet/name.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::ascii::AsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]  --> src/packet/name.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::ascii::AsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 27s
[INFO] running `Command { std: "docker" "inspect" "a0ec20fa00067b3cabb31d492678e479cdd3dd6315b8e603478a4a757599b0d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0ec20fa00067b3cabb31d492678e479cdd3dd6315b8e603478a4a757599b0d7", kill_on_drop: false }`
[INFO] [stdout] a0ec20fa00067b3cabb31d492678e479cdd3dd6315b8e603478a4a757599b0d7