[INFO] cloning repository https://github.com/qq906907952/rustdump
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qq906907952/rustdump" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqq906907952%2Frustdump", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqq906907952%2Frustdump'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c308f90737e6f0d0546a1022d7d01ffd46d0ddff
[INFO] checking qq906907952/rustdump against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqq906907952%2Frustdump" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qq906907952/rustdump 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 git repo https://github.com/qq906907952/rustdump
[INFO] finished tweaking git repo https://github.com/qq906907952/rustdump
[INFO] tweaked toml for git repo https://github.com/qq906907952/rustdump written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/qq906907952/rustdump already has a lockfile, it will not be regenerated
[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_sys v0.30.0
[INFO] [stderr]   Downloaded pnet_macros v0.30.0
[INFO] [stderr]   Downloaded pnet_packet v0.30.0
[INFO] [stderr]   Downloaded pnet_base v0.30.0
[INFO] [stderr]   Downloaded ipnetwork v0.19.0
[INFO] [stderr]   Downloaded ipnetwork v0.18.0
[INFO] [stderr]   Downloaded pnet_datalink v0.30.0
[INFO] [stderr]   Downloaded pnet_macros_support v0.30.0
[INFO] [stderr]   Downloaded pnet_transport v0.30.0
[INFO] [stderr]   Downloaded pnet v0.30.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b40dffc1f100abfcf04a5727f74b0dd77a0a603308171de23c63da45dabe2dc9
[INFO] running `Command { std: "docker" "start" "-a" "b40dffc1f100abfcf04a5727f74b0dd77a0a603308171de23c63da45dabe2dc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b40dffc1f100abfcf04a5727f74b0dd77a0a603308171de23c63da45dabe2dc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b40dffc1f100abfcf04a5727f74b0dd77a0a603308171de23c63da45dabe2dc9", kill_on_drop: false }`
[INFO] [stdout] b40dffc1f100abfcf04a5727f74b0dd77a0a603308171de23c63da45dabe2dc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e87075b0bc5b38f4b19b2ffb1faf1876d7dd0b8e49da9948a28744901ed1880d
[INFO] running `Command { std: "docker" "start" "-a" "e87075b0bc5b38f4b19b2ffb1faf1876d7dd0b8e49da9948a28744901ed1880d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking no-std-net v0.6.0
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling serde v1.0.140
[INFO] [stderr]     Checking pnet_base v0.30.0
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]     Checking pnet_macros_support v0.30.0
[INFO] [stderr]    Compiling pnet v0.30.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking pnet_sys v0.30.0
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]     Checking ipnetwork v0.18.0
[INFO] [stderr]     Checking ipnetwork v0.19.0
[INFO] [stderr]     Checking pnet_datalink v0.30.0
[INFO] [stderr]    Compiling pnet_macros v0.30.0
[INFO] [stderr]     Checking pnet_packet v0.30.0
[INFO] [stderr]     Checking pnet_transport v0.30.0
[INFO] [stderr]     Checking rustdump v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `off` is never read
[INFO] [stdout]    --> src/dump/packet.rs:140:25
[INFO] [stdout]     |
[INFO] [stdout] 140 |                         off += 20 + (tcp.data_off as usize) * 4;
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `off` is never read
[INFO] [stdout]    --> src/dump/packet.rs:140:25
[INFO] [stdout]     |
[INFO] [stdout] 140 |                         off += 20 + (tcp.data_off as usize) * 4;
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dev` is never read
[INFO] [stdout]  --> src/dump/packet_source.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Source {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 9 |     dev: String,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `eth_type_map` should have an upper case name
[INFO] [stdout]   --> src/dump/packet.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 |     static ref eth_type_map: HashMap<u16, &'static str> = {
[INFO] [stdout]    |                ^^^^^^^^^^^^ help: convert the identifier to upper case: `ETH_TYPE_MAP`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `ip_proto_map` should have an upper case name
[INFO] [stdout]   --> src/dump/packet.rs:25:16
[INFO] [stdout]    |
[INFO] [stdout] 25 |     static ref ip_proto_map: HashMap<u8, &'static str> = {
[INFO] [stdout]    |                ^^^^^^^^^^^^ help: convert the identifier to upper case: `IP_PROTO_MAP`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `icmp_type_map` should have an upper case name
[INFO] [stdout]   --> src/dump/packet.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |  static ref icmp_type_map: HashMap<u8, &'static str> = {
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: convert the identifier to upper case: `ICMP_TYPE_MAP`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/dump/error.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         f.write_str(self.info.as_str());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let _ = f.write_str(self.info.as_str());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/dump/error.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         f.write_str(self.info.as_str());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let _ = f.write_str(self.info.as_str());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dev` is never read
[INFO] [stdout]  --> src/dump/packet_source.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Source {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 9 |     dev: String,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `eth_type_map` should have an upper case name
[INFO] [stdout]   --> src/dump/packet.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 |     static ref eth_type_map: HashMap<u16, &'static str> = {
[INFO] [stdout]    |                ^^^^^^^^^^^^ help: convert the identifier to upper case: `ETH_TYPE_MAP`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `ip_proto_map` should have an upper case name
[INFO] [stdout]   --> src/dump/packet.rs:25:16
[INFO] [stdout]    |
[INFO] [stdout] 25 |     static ref ip_proto_map: HashMap<u8, &'static str> = {
[INFO] [stdout]    |                ^^^^^^^^^^^^ help: convert the identifier to upper case: `IP_PROTO_MAP`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `icmp_type_map` should have an upper case name
[INFO] [stdout]   --> src/dump/packet.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |  static ref icmp_type_map: HashMap<u8, &'static str> = {
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: convert the identifier to upper case: `ICMP_TYPE_MAP`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/dump/error.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         f.write_str(self.info.as_str());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let _ = f.write_str(self.info.as_str());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/dump/error.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |         f.write_str(self.info.as_str());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let _ = f.write_str(self.info.as_str());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.00s
[INFO] running `Command { std: "docker" "inspect" "e87075b0bc5b38f4b19b2ffb1faf1876d7dd0b8e49da9948a28744901ed1880d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e87075b0bc5b38f4b19b2ffb1faf1876d7dd0b8e49da9948a28744901ed1880d", kill_on_drop: false }`
[INFO] [stdout] e87075b0bc5b38f4b19b2ffb1faf1876d7dd0b8e49da9948a28744901ed1880d