[INFO] cloning repository https://github.com/Artem1199/otis-tcp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Artem1199/otis-tcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArtem1199%2Fotis-tcp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArtem1199%2Fotis-tcp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 26e13c5c7a3a1544f5fac511028aa15508fe81b3
[INFO] checking Artem1199/otis-tcp against f3df2feb79b2422c028f78855ec6ffe2e212d7cc for pr-163699
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArtem1199%2Fotis-tcp" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Artem1199/otis-tcp
[INFO] finished tweaking git repo https://github.com/Artem1199/otis-tcp
[INFO] tweaked toml for git repo https://github.com/Artem1199/otis-tcp written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Artem1199/otis-tcp on toolchain f3df2feb79b2422c028f78855ec6ffe2e212d7cc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f3df2feb79b2422c028f78855ec6ffe2e212d7cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Artem1199/otis-tcp 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" "+f3df2feb79b2422c028f78855ec6ffe2e212d7cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a70eb8a795f8420a1845802db9d950fb35e2b06c14bbc7d4be2deb3955d5835d
[INFO] running `Command { std: "docker" "start" "a70eb8a795f8420a1845802db9d950fb35e2b06c14bbc7d4be2deb3955d5835d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a70eb8a795f8420a1845802db9d950fb35e2b06c14bbc7d4be2deb3955d5835d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a70eb8a795f8420a1845802db9d950fb35e2b06c14bbc7d4be2deb3955d5835d" "/opt/rustwide/cargo-home/bin/cargo" "+f3df2feb79b2422c028f78855ec6ffe2e212d7cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a70eb8a795f8420a1845802db9d950fb35e2b06c14bbc7d4be2deb3955d5835d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a70eb8a795f8420a1845802db9d950fb35e2b06c14bbc7d4be2deb3955d5835d" "/opt/rustwide/cargo-home/bin/cargo" "+f3df2feb79b2422c028f78855ec6ffe2e212d7cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking ucd-util v0.1.7
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking managed v0.7.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling mysqlclient-sys v0.2.4
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling device_query v0.1.3
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking smoltcp v0.6.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stdout] error: reserved `doc` attribute `shown`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/smoltcp-0.6.0/src/macros.rs:36:26
[INFO] [stdout]    |
[INFO] [stdout] 26 |   macro_rules! enum_with_unknown {
[INFO] [stdout] ...
[INFO] [stdout] 36 |                   $( #[doc(shown)] $variant = $value ),+
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/smoltcp-0.6.0/src/wire/ethernet.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout]  6 | / enum_with_unknown! {
[INFO] [stdout]  7 | |     /// Ethernet protocol type.
[INFO] [stdout]  8 | |     pub enum EtherType(u16) {
[INFO] [stdout]  9 | |         Ipv4 = 0x0800,
[INFO] [stdout] ...  |
[INFO] [stdout] 13 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: reserved `doc` attribute `shown`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/smoltcp-0.6.0/src/macros.rs:36:26
[INFO] [stdout]    |
[INFO] [stdout] 26 |   macro_rules! enum_with_unknown {
[INFO] [stdout] ...
[INFO] [stdout] 36 |                   $( #[doc(shown)] $variant = $value ),+
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/smoltcp-0.6.0/src/wire/arp.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout]  8 | / enum_with_unknown! {
[INFO] [stdout]  9 | |     /// ARP hardware type.
[INFO] [stdout] 10 | |     pub enum Hardware(u16) {
[INFO] [stdout] 11 | |         Ethernet = 1
[INFO] [stdout] 12 | |     }
[INFO] [stdout] 13 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: reserved `doc` attribute `shown`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/smoltcp-0.6.0/src/macros.rs:36:26
[INFO] [stdout]    |
[INFO] [stdout] 26 |   macro_rules! enum_with_unknown {
[INFO] [stdout] ...
[INFO] [stdout] 36 |                   $( #[doc(shown)] $variant = $value ),+
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/smoltcp-0.6.0/src/wire/arp.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | / enum_with_unknown! {
[INFO] [stdout] 16 | |     /// ARP operation type.
[INFO] [stdout] 17 | |     pub enum Operation(u16) {
[INFO] [stdout] 18 | |         Request = 1,
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: reserved `doc` attribute `shown`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/smoltcp-0.6.0/src/macros.rs:36:26
[INFO] [stdout]    |
[INFO] [stdout] 26 |   macro_rules! enum_with_unknown {
[INFO] [stdout] ...
[INFO] [stdout] 36 |                   $( #[doc(shown)] $variant = $value ),+
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/smoltcp-0.6.0/src/wire/ip.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 52 | / enum_with_unknown! {
[INFO] [stdout] 53 | |     /// IP datagram encapsulated protocol.
[INFO] [stdout] 54 | |     pub enum Protocol(u8) {
[INFO] [stdout] 55 | |         HopByHop  = 0x00,
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr] error: could not compile `smoltcp` (lib) due to 4 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a70eb8a795f8420a1845802db9d950fb35e2b06c14bbc7d4be2deb3955d5835d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a70eb8a795f8420a1845802db9d950fb35e2b06c14bbc7d4be2deb3955d5835d", kill_on_drop: false }`
[INFO] [stdout] a70eb8a795f8420a1845802db9d950fb35e2b06c14bbc7d4be2deb3955d5835d