[INFO] fetching crate pnet 0.27.2...
[INFO] checking pnet-0.27.2 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate pnet 0.27.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate pnet 0.27.2 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pnet 0.27.2
[INFO] finished tweaking crates.io crate pnet 0.27.2
[INFO] tweaked toml for crates.io crate pnet 0.27.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate pnet 0.27.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] 50a3f578f5f16a3c44184700d126657f36f8965b84fb48a7779c3b2ff3da1939
[INFO] running `Command { std: "docker" "start" "-a" "50a3f578f5f16a3c44184700d126657f36f8965b84fb48a7779c3b2ff3da1939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50a3f578f5f16a3c44184700d126657f36f8965b84fb48a7779c3b2ff3da1939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50a3f578f5f16a3c44184700d126657f36f8965b84fb48a7779c3b2ff3da1939", kill_on_drop: false }`
[INFO] [stdout] 50a3f578f5f16a3c44184700d126657f36f8965b84fb48a7779c3b2ff3da1939
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 118aa9e80fa1533ca0ef9b892ea9a7756198bdeea65b381277b833e5e88aeea5
[INFO] running `Command { std: "docker" "start" "-a" "118aa9e80fa1533ca0ef9b892ea9a7756198bdeea65b381277b833e5e88aeea5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling pnet v0.27.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling standback v0.2.13
[INFO] [stderr]    Compiling time v0.2.23
[INFO] [stderr]     Checking pnet_macros_support v0.27.2
[INFO] [stderr]     Checking ipnetwork v0.17.0
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking pnet_sys v0.27.2
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]     Checking pnet_datalink v0.27.2
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.27.2
[INFO] [stderr]    Compiling pnet_packet v0.27.2
[INFO] [stderr]     Checking pnet_transport v0.27.2
[INFO] [stdout] warning: use of deprecated associated function `pnet::datalink::NetworkInterface::mac_address`: Please use NetworkInterface's field 'mac' instead.
[INFO] [stdout]   --> benches/rs_sender.rs:98:50
[INFO] [stdout]    |
[INFO] [stdout] 98 |         mut_ethernet_header.set_source(interface.mac_address());
[INFO] [stdout]    |                                                  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> examples/packetdump.rs:242:62
[INFO] [stdout]     |
[INFO] [stdout] 242 |         Ok(_) => panic!("packetdump: unhandled channel type: {}"),
[INFO] [stdout]     |                                                              ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 242 |         Ok(_) => panic!("packetdump: unhandled channel type: {}", ...),
[INFO] [stdout]     |                                                                 ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 242 |         Ok(_) => panic!("{}", "packetdump: unhandled channel type: {}"),
[INFO] [stdout]     |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `pnet_datalink::NetworkInterface::mac_address`: Please use NetworkInterface's field 'mac' instead.
[INFO] [stdout]   --> examples/arp_packet.rs:38:42
[INFO] [stdout]    |
[INFO] [stdout] 38 |     ethernet_packet.set_source(interface.mac_address());
[INFO] [stdout]    |                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `pnet_datalink::NetworkInterface::mac_address`: Please use NetworkInterface's field 'mac' instead.
[INFO] [stdout]   --> examples/arp_packet.rs:49:45
[INFO] [stdout]    |
[INFO] [stdout] 49 |     arp_packet.set_sender_hw_addr(interface.mac_address());
[INFO] [stdout]    |                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `pnet_datalink::NetworkInterface::mac_address`: Please use NetworkInterface's field 'mac' instead.
[INFO] [stdout]    --> examples/arp_packet.rs:103:33
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let _source_mac = interface.mac_address();
[INFO] [stdout]     |                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `time::precise_time_ns`: Use `OffsetDateTime::now() - OffsetDateTime::unix_epoch()` to get a `Duration` since a known epoch.
[INFO] [stdout]   --> benches/rs_receiver.rs:36:21
[INFO] [stdout]    |
[INFO] [stdout] 36 |     timestamps.push(time::precise_time_ns() / 1_000);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `time::precise_time_ns`: Use `OffsetDateTime::now() - OffsetDateTime::unix_epoch()` to get a `Duration` since a known epoch.
[INFO] [stdout]   --> benches/rs_receiver.rs:43:37
[INFO] [stdout]    |
[INFO] [stdout] 43 |                     timestamps.push(time::precise_time_ns() / 1_000);
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]   --> examples/fanout.rs:85:74
[INFO] [stdout]    |
[INFO] [stdout] 85 |                     Ok(_) => panic!("packetdump: unhandled channel type: {}"),
[INFO] [stdout]    |                                                                          ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]    |
[INFO] [stdout] 85 |                     Ok(_) => panic!("packetdump: unhandled channel type: {}", ...),
[INFO] [stdout]    |                                                                             ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]    |
[INFO] [stdout] 85 |                     Ok(_) => panic!("{}", "packetdump: unhandled channel type: {}"),
[INFO] [stdout]    |                                     ^^^^^
[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 59.32s
[INFO] running `Command { std: "docker" "inspect" "118aa9e80fa1533ca0ef9b892ea9a7756198bdeea65b381277b833e5e88aeea5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "118aa9e80fa1533ca0ef9b892ea9a7756198bdeea65b381277b833e5e88aeea5", kill_on_drop: false }`
[INFO] [stdout] 118aa9e80fa1533ca0ef9b892ea9a7756198bdeea65b381277b833e5e88aeea5