[INFO] cloning repository https://github.com/gandro/grpcdump
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gandro/grpcdump" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgandro%2Fgrpcdump", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgandro%2Fgrpcdump'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2ddea4baff265ee33090b0e379a7f520bc9bfdae
[INFO] checking gandro/grpcdump against try#590af02d982816cfb2e4e43f8c54065e816581ce for pr-111505
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgandro%2Fgrpcdump" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gandro/grpcdump on toolchain 590af02d982816cfb2e4e43f8c54065e816581ce
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+590af02d982816cfb2e4e43f8c54065e816581ce" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gandro/grpcdump
[INFO] finished tweaking git repo https://github.com/gandro/grpcdump
[INFO] tweaked toml for git repo https://github.com/gandro/grpcdump written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/gandro/grpcdump 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" "+590af02d982816cfb2e4e43f8c54065e816581ce" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+590af02d982816cfb2e4e43f8c54065e816581ce" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad74f5dab42dd1927e6e366cf4845325f86b630a44dbdc2725d76154ff45a6c3
[INFO] running `Command { std: "docker" "start" "-a" "ad74f5dab42dd1927e6e366cf4845325f86b630a44dbdc2725d76154ff45a6c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad74f5dab42dd1927e6e366cf4845325f86b630a44dbdc2725d76154ff45a6c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad74f5dab42dd1927e6e366cf4845325f86b630a44dbdc2725d76154ff45a6c3", kill_on_drop: false }`
[INFO] [stdout] ad74f5dab42dd1927e6e366cf4845325f86b630a44dbdc2725d76154ff45a6c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+590af02d982816cfb2e4e43f8c54065e816581ce" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c98347ea2da6a6fc6b1152226a7016c67b1d82691d464d09eaa42d227450d3a
[INFO] running `Command { std: "docker" "start" "-a" "8c98347ea2da6a6fc6b1152226a7016c67b1d82691d464d09eaa42d227450d3a", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling cc v1.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking futures v0.1.18
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling pcap v0.7.0
[INFO] [stderr]     Checking rustc-demangle v0.1.6
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking string v0.1.0
[INFO] [stderr]     Checking termcolor v0.3.5
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking ordermap v0.2.13
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking scoped-tls v0.1.1
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking managed v0.4.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking smoltcp v0.4.0
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking bytes v0.4.6
[INFO] [stderr]     Checking clap v2.30.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking mio v0.6.13
[INFO] [stdout] error: unknown `doc` attribute `shown`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/smoltcp-0.4.0/src/macros.rs:41:26
[INFO] [stdout]    |
[INFO] [stdout] 41 |                   $( #[doc(shown)] $variant = $value ),+
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/smoltcp-0.4.0/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] 12 | |     }
[INFO] [stdout] 13 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `enum_with_unknown` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown `doc` attribute `shown`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/smoltcp-0.4.0/src/macros.rs:41:26
[INFO] [stdout]    |
[INFO] [stdout] 41 |                   $( #[doc(shown)] $variant = $value ),+
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/smoltcp-0.4.0/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]    = note: this error originates in the macro `enum_with_unknown` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown `doc` attribute `shown`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/smoltcp-0.4.0/src/macros.rs:41:26
[INFO] [stdout]    |
[INFO] [stdout] 41 |                   $( #[doc(shown)] $variant = $value ),+
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/smoltcp-0.4.0/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] 19 | |         Reply = 2
[INFO] [stdout] 20 | |     }
[INFO] [stdout] 21 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `enum_with_unknown` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unknown `doc` attribute `shown`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/smoltcp-0.4.0/src/macros.rs:41:26
[INFO] [stdout]    |
[INFO] [stdout] 41 |                   $( #[doc(shown)] $variant = $value ),+
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/smoltcp-0.4.0/src/wire/ip.rs:38:1
[INFO] [stdout]    |
[INFO] [stdout] 38 | / enum_with_unknown! {
[INFO] [stdout] 39 | |     /// IP datagram encapsulated protocol.
[INFO] [stdout] 40 | |     pub enum Protocol(u8) {
[INFO] [stdout] 41 | |         Icmp = 0x01,
[INFO] [stdout] ...  |
[INFO] [stdout] 44 | |     }
[INFO] [stdout] 45 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `enum_with_unknown` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v0.2.6
[INFO] [stderr]     Checking http v0.1.4
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `smoltcp` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8c98347ea2da6a6fc6b1152226a7016c67b1d82691d464d09eaa42d227450d3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c98347ea2da6a6fc6b1152226a7016c67b1d82691d464d09eaa42d227450d3a", kill_on_drop: false }`
[INFO] [stdout] 8c98347ea2da6a6fc6b1152226a7016c67b1d82691d464d09eaa42d227450d3a