[INFO] cloning repository https://github.com/EchoAlice/das-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EchoAlice/das-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEchoAlice%2Fdas-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEchoAlice%2Fdas-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e3828c94606cb733c17820d25266c8c61bca809
[INFO] checking EchoAlice/das-playground against master#292be5c7c05138d753bbd4b30db7a3f1a5c914f7 for pr-148271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEchoAlice%2Fdas-playground" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/EchoAlice/das-playground
[INFO] finished tweaking git repo https://github.com/EchoAlice/das-playground
[INFO] tweaked toml for git repo https://github.com/EchoAlice/das-playground written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/EchoAlice/das-playground on toolchain 292be5c7c05138d753bbd4b30db7a3f1a5c914f7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/EchoAlice/das-playground 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" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/timoth-y/discv5`
[INFO] [stderr]     Updating git repository `https://github.com/timoth-y/discv5-overlay`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trackable_derive v1.0.0
[INFO] [stderr]   Downloaded eth2_hashing v0.2.0
[INFO] [stderr]   Downloaded eth2_ssz v0.4.0
[INFO] [stderr]   Downloaded tree_hash_derive v0.4.0
[INFO] [stderr]   Downloaded eth2_ssz_derive v0.3.0
[INFO] [stderr]   Downloaded tree_hash v0.4.0
[INFO] [stderr]   Downloaded stun_codec v0.1.13
[INFO] [stderr]   Downloaded trackable v0.2.24
[INFO] [stderr]   Downloaded stunclient v0.1.2
[INFO] [stderr]   Downloaded ctrlc v3.2.4
[INFO] [stderr]   Downloaded enr v0.6.2
[INFO] [stderr]   Downloaded hmac-sha1 v0.1.3
[INFO] [stderr]   Downloaded fixed-hash v0.2.5
[INFO] [stderr]   Downloaded ethbloom v0.5.3
[INFO] [stderr]   Downloaded ethereum-types-serialize v0.2.2
[INFO] [stderr]   Downloaded uint v0.4.1
[INFO] [stderr]   Downloaded eth2_serde_utils v0.1.0
[INFO] [stderr]   Downloaded r2d2_sqlite v0.19.0
[INFO] [stderr]   Downloaded handlebars v0.29.1
[INFO] [stderr]   Downloaded delay_map v0.1.2
[INFO] [stderr]   Downloaded async-trait v0.1.60
[INFO] [stderr]   Downloaded bytecodec v0.4.15
[INFO] [stderr]   Downloaded parking_lot_core v0.5.0
[INFO] [stderr]   Downloaded rusqlite v0.26.3
[INFO] [stderr]   Downloaded parking_lot v0.8.0
[INFO] [stderr]   Downloaded eth_trie v0.1.0
[INFO] [stderr]   Downloaded interfaces v0.0.7
[INFO] [stderr]   Downloaded eth2_ssz_types v0.2.1
[INFO] [stderr]   Downloaded hashbrown v0.3.1
[INFO] [stderr]   Downloaded lock_api v0.2.0
[INFO] [stderr]   Downloaded heapsize v0.4.2
[INFO] [stderr]   Downloaded nix v0.26.1
[INFO] [stderr]   Downloaded rlp v0.3.0
[INFO] [stderr]   Downloaded prometheus_exporter v0.8.5
[INFO] [stderr]   Downloaded ethereum-types v0.4.2
[INFO] [stderr]   Downloaded pest v0.3.3
[INFO] [stderr]   Downloaded ucd-util v0.1.9
[INFO] [stderr]   Downloaded keccak-hash v0.8.0
[INFO] [stderr]   Downloaded trackable v1.2.0
[INFO] [stderr]   Downloaded tiny_http v0.10.0
[INFO] [stderr]   Downloaded libsqlite3-sys v0.23.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd6e6756ed7027ef3e5004990da2921a5035c40fb037fe8848f8b69ace41622a
[INFO] running `Command { std: "docker" "start" "-a" "dd6e6756ed7027ef3e5004990da2921a5035c40fb037fe8848f8b69ace41622a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd6e6756ed7027ef3e5004990da2921a5035c40fb037fe8848f8b69ace41622a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd6e6756ed7027ef3e5004990da2921a5035c40fb037fe8848f8b69ace41622a", kill_on_drop: false }`
[INFO] [stdout] dd6e6756ed7027ef3e5004990da2921a5035c40fb037fe8848f8b69ace41622a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+292be5c7c05138d753bbd4b30db7a3f1a5c914f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e9318deb37c0659337f7a05755235c5a16113efe2b54daed2b1c7b6fb3ec4db
[INFO] running `Command { std: "docker" "start" "-a" "8e9318deb37c0659337f7a05755235c5a16113efe2b54daed2b1c7b6fb3ec4db", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling serde v1.0.151
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking crunchy v0.2.2
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]     Checking radium v0.6.2
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking const-oid v0.9.1
[INFO] [stderr]    Compiling clang-sys v1.4.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]     Checking uint v0.9.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking base64ct v1.5.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.49/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rlp v0.5.2
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8e9318deb37c0659337f7a05755235c5a16113efe2b54daed2b1c7b6fb3ec4db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e9318deb37c0659337f7a05755235c5a16113efe2b54daed2b1c7b6fb3ec4db", kill_on_drop: false }`
[INFO] [stdout] 8e9318deb37c0659337f7a05755235c5a16113efe2b54daed2b1c7b6fb3ec4db
