[INFO] fetching crate tc-consensus-babe 0.8.0...
[INFO] checking tc-consensus-babe-0.8.0 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate tc-consensus-babe 0.8.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tc-consensus-babe 0.8.0 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tc-consensus-babe 0.8.0
[INFO] finished tweaking crates.io crate tc-consensus-babe 0.8.0
[INFO] tweaked toml for crates.io crate tc-consensus-babe 0.8.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64210a910236159f758f60843573a3e2b450e8289b09ebd42f978e6f1f9004d6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "64210a910236159f758f60843573a3e2b450e8289b09ebd42f978e6f1f9004d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64210a910236159f758f60843573a3e2b450e8289b09ebd42f978e6f1f9004d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64210a910236159f758f60843573a3e2b450e8289b09ebd42f978e6f1f9004d6", kill_on_drop: false }`
[INFO] [stdout] 64210a910236159f758f60843573a3e2b450e8289b09ebd42f978e6f1f9004d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0e40dfddc6cd2499dbfef8fca786fa8813fc1f5cd78cbe546126c66c910e849
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c0e40dfddc6cd2499dbfef8fca786fa8813fc1f5cd78cbe546126c66c910e849", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   arrayvec v0.5.2: default, std
[INFO] [stderr]   blake2-rfc v0.2.18 (as host dependency): std
[INFO] [stderr]   bytes v1.0.1 (as host dependency): default, std
[INFO] [stderr]   crypto-mac v0.8.0: std
[INFO] [stderr]   curve25519-dalek v3.2.0: default
[INFO] [stderr]   hashbrown v0.11.2 (as host dependency): ahash, default, inline-more
[INFO] [stderr]   libc v0.2.100 (as host dependency): align
[INFO] [stderr]   log v0.4.14 (as host dependency): kv_unstable, std, value-bag
[INFO] [stderr]   prost v0.7.0 (as host dependency): default, std
[INFO] [stderr]   rand_chacha v0.2.2: default, simd
[INFO] [stderr]   serde v1.0.128 (as host dependency): alloc, derive, serde_derive
[INFO] [stderr]   tetcore-tracing v2.1.2: default
[INFO] [stderr]   tetsy-libp2p v0.34.3: identify, kad, mdns, mplex, noise, ping, remux, request-response, tetsy-libp2p-identify, tetsy-libp2p-kad, tetsy-libp2p-mdns, tetsy-libp2p-mplex, tetsy-libp2p-noise, tetsy-libp2p-ping, tetsy-libp2p-remux, tetsy-libp2p-request-response
[INFO] [stderr]   uint-crate v0.9.1: default
[INFO] [stderr]   unsigned-varint v0.6.0: asynchronous-codec, asynchronous_codec, bytes, futures, futures-io, futures-util, std
[INFO] [stderr] 
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking cpuid-bool v0.2.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking nohash v0.2.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]    Compiling tc-consensus-slots v0.8.0
[INFO] [stderr]    Compiling erased-serde v0.3.16
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking retain_mut v0.1.3
[INFO] [stderr]     Checking ip_network v0.3.4
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking block-cipher v0.8.0
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.1
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr]    Compiling minicbor-derive v0.6.4
[INFO] [stderr]    Compiling tetsy-libp2p-core-derive v0.21.1
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking dns-parser v0.8.0
[INFO] [stderr]     Checking value-bag v1.0.0-alpha.7
[INFO] [stderr]     Checking serde v1.0.128
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]    Compiling prost v0.7.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking universal-hash v0.4.1
[INFO] [stderr]     Checking ref-cast v1.0.6
[INFO] [stderr]     Checking dyn-clonable v0.9.0
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking aes-soft v0.5.0
[INFO] [stderr]     Checking stream-cipher v0.7.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking linked_hash_set v0.1.4
[INFO] [stderr]     Checking uint-crate v0.9.1
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking zeroize v1.4.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking prometheus v0.10.0
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking pbkdf2 v0.4.0
[INFO] [stderr]     Checking blake2 v0.9.1
[INFO] [stderr]     Checking polyval v0.4.5
[INFO] [stderr]     Checking poly1305 v0.6.2
[INFO] [stderr]    Compiling prost-types v0.7.0
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking aes v0.5.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking curve25519-dalek v3.2.0
[INFO] [stderr]     Checking curve25519-dalek v2.1.3
[INFO] [stderr]     Checking merlin v2.0.1
[INFO] [stderr]     Checking secrecy v0.7.0
[INFO] [stderr]     Checking chacha20 v0.5.0
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking tetsy-trie-db v0.22.3
[INFO] [stderr]     Checking polling v2.1.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.76
[INFO] [stderr]     Checking asn1_der v0.6.3
[INFO] [stderr]     Checking ghash v0.3.1
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking tiny-bip39 v0.8.0
[INFO] [stderr]    Compiling snow v0.7.2
[INFO] [stderr]     Checking chacha20poly1305 v0.6.0
[INFO] [stderr] error: could not compile `serde`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.128/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="alloc"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="serde_derive"' --cfg 'feature="std"' -C metadata=bd53e4eaee83c6eb -C extra-filename=-bd53e4eaee83c6eb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-64760c873583666f.so --cap-lints allow --cap-lints=forbid --cfg ops_bound --cfg core_reverse --cfg de_boxed_c_str --cfg de_boxed_path --cfg de_rc_dst --cfg core_duration --cfg integer128 --cfg range_inclusive --cfg num_nonzero --cfg serde_derive --cfg core_try_from --cfg num_nonzero_signed --cfg systemtime_checked_add --cfg std_atomic64 --cfg std_atomic` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] [stderr] error: failed to migrate to next edition
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "c0e40dfddc6cd2499dbfef8fca786fa8813fc1f5cd78cbe546126c66c910e849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0e40dfddc6cd2499dbfef8fca786fa8813fc1f5cd78cbe546126c66c910e849", kill_on_drop: false }`
[INFO] [stdout] c0e40dfddc6cd2499dbfef8fca786fa8813fc1f5cd78cbe546126c66c910e849