[INFO] cloning repository https://github.com/quangkeu95/libp2p-learner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/quangkeu95/libp2p-learner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquangkeu95%2Flibp2p-learner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquangkeu95%2Flibp2p-learner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58ac4bda892a5c7b83473c1e1d562e3f5cd2bb72
[INFO] testing quangkeu95/libp2p-learner against 1.76.0 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquangkeu95%2Flibp2p-learner" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/quangkeu95/libp2p-learner on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/quangkeu95/libp2p-learner
[INFO] finished tweaking git repo https://github.com/quangkeu95/libp2p-learner
[INFO] tweaked toml for git repo https://github.com/quangkeu95/libp2p-learner written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/quangkeu95/libp2p-learner 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-warning v0.4.2
[INFO] [stderr]   Downloaded libp2p-request-response v0.25.3
[INFO] [stderr]   Downloaded libp2p-deflate v0.40.1
[INFO] [stderr]   Downloaded libp2p-quic v0.9.3
[INFO] [stderr]   Downloaded async-std-resolver v0.23.2
[INFO] [stderr]   Downloaded libp2p-websocket-websys v0.2.0
[INFO] [stderr]   Downloaded libp2p-noise v0.43.2
[INFO] [stderr]   Downloaded libp2p-swarm v0.43.7
[INFO] [stderr]   Downloaded libp2p-plaintext v0.40.1
[INFO] [stderr]   Downloaded libp2p-upnp v0.1.1
[INFO] [stderr]   Downloaded libp2p-pnet v0.23.1
[INFO] [stderr]   Downloaded libp2p-dns v0.40.1
[INFO] [stderr]   Downloaded libp2p-ping v0.43.1
[INFO] [stderr]   Downloaded libp2p-relay v0.16.2
[INFO] [stderr]   Downloaded libp2p-identify v0.43.1
[INFO] [stderr]   Downloaded libp2p-kad v0.44.6
[INFO] [stderr]   Downloaded fiat-crypto v0.2.2
[INFO] [stderr]   Downloaded libp2p-gossipsub v0.45.2
[INFO] [stderr]   Downloaded libp2p v0.52.4
[INFO] [stderr]   Downloaded libp2p-core v0.40.1
[INFO] [stderr]   Downloaded libp2p-rendezvous v0.13.1
[INFO] [stderr]   Downloaded libp2p-tcp v0.40.1
[INFO] [stderr]   Downloaded futures-bounded v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76a0ea6613939cfab80c82187c860973feb54dab05010d5b6a6e288222ea4c57
[INFO] running `Command { std: "docker" "start" "-a" "76a0ea6613939cfab80c82187c860973feb54dab05010d5b6a6e288222ea4c57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76a0ea6613939cfab80c82187c860973feb54dab05010d5b6a6e288222ea4c57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76a0ea6613939cfab80c82187c860973feb54dab05010d5b6a6e288222ea4c57", kill_on_drop: false }`
[INFO] [stdout] 76a0ea6613939cfab80c82187c860973feb54dab05010d5b6a6e288222ea4c57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c67c6a6f8eda300e53ddd77d5507fdf0805445143e1d465a90a88437d065895b
[INFO] running `Command { std: "docker" "start" "-a" "c67c6a6f8eda300e53ddd77d5507fdf0805445143e1d465a90a88437d065895b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling futures-io v0.3.29
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]    Compiling futures-sink v0.3.29
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling value-bag v1.4.2
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling const-oid v0.9.5
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling smallvec v1.11.1
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.87
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling cpufeatures v0.2.11
[INFO] [stderr]    Compiling bumpalo v3.14.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling base64ct v1.6.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling percent-encoding v2.3.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.87
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.0
[INFO] [stderr]    Compiling data-encoding v2.4.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling platforms v3.1.2
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling base16ct v0.2.0
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling concurrent-queue v2.3.0
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling parking v2.2.0
[INFO] [stderr]    Compiling waker-fn v1.1.1
[INFO] [stderr]    Compiling curve25519-dalek v4.1.1
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling async-lock v2.8.0
[INFO] [stderr]    Compiling quick-protobuf v0.8.1
[INFO] [stderr]    Compiling core2 v0.4.0
[INFO] [stderr]    Compiling send_wrapper v0.4.0
[INFO] [stderr]    Compiling arrayref v0.3.7
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling idna v0.4.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling libsecp256k1-core v0.3.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling socket2 v0.5.5
[INFO] [stderr]    Compiling mio v0.8.9
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling ff v0.13.0
[INFO] [stderr]    Compiling url v2.4.1
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling asn1_der v0.7.6
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling bs58 v0.5.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling base-x v0.2.11
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling libsecp256k1-gen-genmult v0.3.0
[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.3.0
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling async-task v4.5.0
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.10
[INFO] [stderr]    Compiling libsecp256k1 v0.7.1
[INFO] [stderr]    Compiling piper v0.2.1
[INFO] [stderr]    Compiling async-executor v1.6.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling event-listener v3.0.1
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling proc-macro-warning v0.4.2
[INFO] [stderr]    Compiling async-trait v0.1.74
[INFO] [stderr]    Compiling ring v0.17.5
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling deranged v0.3.9
[INFO] [stderr]    Compiling ipnet v2.9.0
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling rustls v0.21.8
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling time-macros v0.2.15
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling ahash v0.8.6
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.87
[INFO] [stderr]    Compiling zerocopy v0.7.20
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling time v0.3.30
[INFO] [stderr]    Compiling rusticata-macros v4.1.0
[INFO] [stderr]    Compiling oid-registry v0.6.1
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.87
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling snow v0.9.3
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling allocator-api2 v0.2.16
[INFO] [stderr]    Compiling prometheus-client v0.21.2
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling try-lock v0.2.4
[INFO] [stderr]    Compiling resolv-conf v0.7.0
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling hashbrown v0.14.2
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling pem v1.1.1
[INFO] [stderr]    Compiling send_wrapper v0.6.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-2.0.38/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=6a0312e9a02c4807 -C extra-filename=-6a0312e9a02c4807 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-2e2bc0fb2822c3c6.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-eaefda80f249ff5d.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-e0b65771b60df1bf.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c67c6a6f8eda300e53ddd77d5507fdf0805445143e1d465a90a88437d065895b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c67c6a6f8eda300e53ddd77d5507fdf0805445143e1d465a90a88437d065895b", kill_on_drop: false }`
[INFO] [stdout] c67c6a6f8eda300e53ddd77d5507fdf0805445143e1d465a90a88437d065895b
[INFO] testing quangkeu95/libp2p-learner against beta-2024-02-10 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquangkeu95%2Flibp2p-learner" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/quangkeu95/libp2p-learner on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/quangkeu95/libp2p-learner
[INFO] finished tweaking git repo https://github.com/quangkeu95/libp2p-learner
[INFO] tweaked toml for git repo https://github.com/quangkeu95/libp2p-learner written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/quangkeu95/libp2p-learner 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" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eea64b34f590cd5ae432d4d0039c984c2f0b49fe3032c228a6996f2faca2b5fa
[INFO] running `Command { std: "docker" "start" "-a" "eea64b34f590cd5ae432d4d0039c984c2f0b49fe3032c228a6996f2faca2b5fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eea64b34f590cd5ae432d4d0039c984c2f0b49fe3032c228a6996f2faca2b5fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eea64b34f590cd5ae432d4d0039c984c2f0b49fe3032c228a6996f2faca2b5fa", kill_on_drop: false }`
[INFO] [stdout] eea64b34f590cd5ae432d4d0039c984c2f0b49fe3032c228a6996f2faca2b5fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2024-02-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9aaa2dbc5041851055a296001f668479b17d165ecd4d732620775d04ff3aa5bf
[INFO] running `Command { std: "docker" "start" "-a" "9aaa2dbc5041851055a296001f668479b17d165ecd4d732620775d04ff3aa5bf", kill_on_drop: false }`
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[INFO] [stderr]    Compiling libp2p-learner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.12s
[INFO] running `Command { std: "docker" "inspect" "9aaa2dbc5041851055a296001f668479b17d165ecd4d732620775d04ff3aa5bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aaa2dbc5041851055a296001f668479b17d165ecd4d732620775d04ff3aa5bf", kill_on_drop: false }`
[INFO] [stdout] 9aaa2dbc5041851055a296001f668479b17d165ecd4d732620775d04ff3aa5bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2024-02-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6e5963f766fb08e632df633d44be34056239d458815091c3a33a4c63a7b31b5
[INFO] running `Command { std: "docker" "start" "-a" "f6e5963f766fb08e632df633d44be34056239d458815091c3a33a4c63a7b31b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libp2p-learner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ping`
[INFO] [stdout]  --> examples/chat/main.rs:7:32
[INFO] [stdout]   |
[INFO] [stdout] 7 | use libp2p::{gossipsub, noise, ping, yamux, SwarmBuilder};
[INFO] [stdout]   |                                ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `swarm`
[INFO] [stdout]   --> examples/chat/main.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut swarm = SwarmBuilder::with_new_identity()
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_swarm`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/chat/main.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut swarm = SwarmBuilder::with_new_identity()
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.68s
[INFO] running `Command { std: "docker" "inspect" "f6e5963f766fb08e632df633d44be34056239d458815091c3a33a4c63a7b31b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6e5963f766fb08e632df633d44be34056239d458815091c3a33a4c63a7b31b5", kill_on_drop: false }`
[INFO] [stdout] f6e5963f766fb08e632df633d44be34056239d458815091c3a33a4c63a7b31b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2024-02-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 26b6dad4767f57c0a1be6034c2cf146af5215a0e8d1fe25f7918e430fd8f98f5
[INFO] running `Command { std: "docker" "start" "-a" "26b6dad4767f57c0a1be6034c2cf146af5215a0e8d1fe25f7918e430fd8f98f5", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `ping`
[INFO] [stderr]  --> examples/chat/main.rs:7:32
[INFO] [stderr]   |
[INFO] [stderr] 7 | use libp2p::{gossipsub, noise, ping, yamux, SwarmBuilder};
[INFO] [stderr]   |                                ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `swarm`
[INFO] [stderr]   --> examples/chat/main.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut swarm = SwarmBuilder::with_new_identity()
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_swarm`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/chat/main.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut swarm = SwarmBuilder::with_new_identity()
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `libp2p-learner` (example "chat") generated 3 warnings (run `cargo fix --example "chat"` to apply 3 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/libp2p_learner-69431240a269d5bd)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "26b6dad4767f57c0a1be6034c2cf146af5215a0e8d1fe25f7918e430fd8f98f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26b6dad4767f57c0a1be6034c2cf146af5215a0e8d1fe25f7918e430fd8f98f5", kill_on_drop: false }`
[INFO] [stdout] 26b6dad4767f57c0a1be6034c2cf146af5215a0e8d1fe25f7918e430fd8f98f5
