[INFO] fetching crate rpkt 0.1.0...
[INFO] checking rpkt-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate rpkt 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate rpkt 0.1.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rpkt 0.1.0
[INFO] finished tweaking crates.io crate rpkt 0.1.0
[INFO] tweaked toml for crates.io crate rpkt 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 34 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding ipnetwork v0.19.0 (latest: v0.20.0)
[INFO] [stderr]       Adding pnet v0.31.0 (latest: v0.34.0)
[INFO] [stderr]       Adding pnet_base v0.31.0 (latest: v0.34.0)
[INFO] [stderr]       Adding pnet_datalink v0.31.0 (latest: v0.34.0)
[INFO] [stderr]       Adding pnet_macros v0.31.0 (latest: v0.34.0)
[INFO] [stderr]       Adding pnet_macros_support v0.31.0 (latest: v0.34.0)
[INFO] [stderr]       Adding pnet_packet v0.31.0 (latest: v0.34.0)
[INFO] [stderr]       Adding pnet_sys v0.31.0 (latest: v0.34.0)
[INFO] [stderr]       Adding pnet_transport v0.31.0 (latest: v0.34.0)
[INFO] [stderr]       Adding smoltcp v0.8.2 (latest: v0.11.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pnet_macros_support v0.31.0
[INFO] [stderr]   Downloaded managed v0.8.0
[INFO] [stderr]   Downloaded pnet_base v0.31.0
[INFO] [stderr]   Downloaded pnet_sys v0.31.0
[INFO] [stderr]   Downloaded pnet v0.31.0
[INFO] [stderr]   Downloaded pnet_packet v0.31.0
[INFO] [stderr]   Downloaded pnet_transport v0.31.0
[INFO] [stderr]   Downloaded pnet_datalink v0.31.0
[INFO] [stderr]   Downloaded smoltcp v0.8.2
[INFO] [stderr]   Downloaded pnet_macros v0.31.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b778581513606ca1da0bcf97080cd81eb436ef1173986c11f9593e2e4bd3668
[INFO] running `Command { std: "docker" "start" "-a" "8b778581513606ca1da0bcf97080cd81eb436ef1173986c11f9593e2e4bd3668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b778581513606ca1da0bcf97080cd81eb436ef1173986c11f9593e2e4bd3668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b778581513606ca1da0bcf97080cd81eb436ef1173986c11f9593e2e4bd3668", kill_on_drop: false }`
[INFO] [stdout] 8b778581513606ca1da0bcf97080cd81eb436ef1173986c11f9593e2e4bd3668
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 200178fe1eb98c74648d584e4fe8fbde3effab811846d30a9060c73fb6fa7fa8
[INFO] running `Command { std: "docker" "start" "-a" "200178fe1eb98c74648d584e4fe8fbde3effab811846d30a9060c73fb6fa7fa8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]     Checking no-std-net v0.6.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling pnet v0.31.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking managed v0.8.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking pnet_base v0.31.0
[INFO] [stderr]     Checking pnet_macros_support v0.31.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking pnet_sys v0.31.0
[INFO] [stderr]     Checking smoltcp v0.8.2
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]     Checking ipnetwork v0.19.0
[INFO] [stderr]     Checking pnet_datalink v0.31.0
[INFO] [stderr]     Checking rpkt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling pnet_macros v0.31.0
[INFO] [stderr]     Checking pnet_packet v0.31.0
[INFO] [stderr]     Checking pnet_transport v0.31.0
[INFO] [stdout] warning: the item `PktMut` is imported redundantly
[INFO] [stdout]   --> src/arp/packet.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |     use super::*;
[INFO] [stdout]    |         -------- the item `PktMut` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 78 |     use crate::PktMut;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cursor` is imported redundantly
[INFO] [stdout]    --> src/ether/packet.rs:112:47
[INFO] [stdout]     |
[INFO] [stdout] 111 |     use super::*;
[INFO] [stdout]     |         -------- the item `Cursor` is already imported here
[INFO] [stdout] 112 |     use crate::{ether::ETHER_HEADER_TEMPLATE, Cursor, CursorMut};
[INFO] [stdout]     |                                               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CursorMut` is imported redundantly
[INFO] [stdout]    --> src/ether/packet.rs:112:55
[INFO] [stdout]     |
[INFO] [stdout] 111 |     use super::*;
[INFO] [stdout]     |         -------- the item `CursorMut` is already imported here
[INFO] [stdout] 112 |     use crate::{ether::ETHER_HEADER_TEMPLATE, Cursor, CursorMut};
[INFO] [stdout]     |                                                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cursor` is imported redundantly
[INFO] [stdout]    --> src/ipv4/packet.rs:179:17
[INFO] [stdout]     |
[INFO] [stdout] 176 |     use super::*;
[INFO] [stdout]     |         -------- the item `Cursor` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 179 |     use crate::{Cursor, CursorMut};
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CursorMut` is imported redundantly
[INFO] [stdout]    --> src/ipv4/packet.rs:179:25
[INFO] [stdout]     |
[INFO] [stdout] 176 |     use super::*;
[INFO] [stdout]     |         -------- the item `CursorMut` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 179 |     use crate::{Cursor, CursorMut};
[INFO] [stdout]     |                         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ByteOrder` is imported redundantly
[INFO] [stdout]    --> src/ipv4/option.rs:468:21
[INFO] [stdout]     |
[INFO] [stdout] 467 |     use super::*;
[INFO] [stdout]     |         -------- the item `ByteOrder` is already imported here
[INFO] [stdout] 468 |     use byteorder::{ByteOrder, NetworkEndian};
[INFO] [stdout]     |                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `NetworkEndian` is imported redundantly
[INFO] [stdout]    --> src/ipv4/option.rs:468:32
[INFO] [stdout]     |
[INFO] [stdout] 467 |     use super::*;
[INFO] [stdout]     |         -------- the item `NetworkEndian` is already imported here
[INFO] [stdout] 468 |     use byteorder::{ByteOrder, NetworkEndian};
[INFO] [stdout]     |                                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cursor` is imported redundantly
[INFO] [stdout]    --> src/tcp/packet.rs:186:17
[INFO] [stdout]     |
[INFO] [stdout] 182 |     use super::*;
[INFO] [stdout]     |         -------- the item `Cursor` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 186 |     use crate::{Cursor, CursorMut};
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CursorMut` is imported redundantly
[INFO] [stdout]    --> src/tcp/packet.rs:186:25
[INFO] [stdout]     |
[INFO] [stdout] 182 |     use super::*;
[INFO] [stdout]     |         -------- the item `CursorMut` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 186 |     use crate::{Cursor, CursorMut};
[INFO] [stdout]     |                         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cursor` is imported redundantly
[INFO] [stdout]    --> src/udp/packet.rs:153:17
[INFO] [stdout]     |
[INFO] [stdout] 149 |     use super::*;
[INFO] [stdout]     |         -------- the item `Cursor` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 153 |     use crate::{Cursor, CursorMut};
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CursorMut` is imported redundantly
[INFO] [stdout]    --> src/udp/packet.rs:153:25
[INFO] [stdout]     |
[INFO] [stdout] 149 |     use super::*;
[INFO] [stdout]     |         -------- the item `CursorMut` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 153 |     use crate::{Cursor, CursorMut};
[INFO] [stdout]     |                         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.15s
[INFO] running `Command { std: "docker" "inspect" "200178fe1eb98c74648d584e4fe8fbde3effab811846d30a9060c73fb6fa7fa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "200178fe1eb98c74648d584e4fe8fbde3effab811846d30a9060c73fb6fa7fa8", kill_on_drop: false }`
[INFO] [stdout] 200178fe1eb98c74648d584e4fe8fbde3effab811846d30a9060c73fb6fa7fa8