[INFO] cloning repository https://github.com/mstephenp/simple-blockchain-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mstephenp/simple-blockchain-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmstephenp%2Fsimple-blockchain-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmstephenp%2Fsimple-blockchain-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3df477e52f4e5233d97110dd29bfa81d36a3262
[INFO] checking mstephenp/simple-blockchain-rs against try#218e3b1b9f68e7a8b7fb8fcbff627c64536eebaa for pr-92594
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmstephenp%2Fsimple-blockchain-rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mstephenp/simple-blockchain-rs on toolchain 218e3b1b9f68e7a8b7fb8fcbff627c64536eebaa
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+218e3b1b9f68e7a8b7fb8fcbff627c64536eebaa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mstephenp/simple-blockchain-rs
[INFO] finished tweaking git repo https://github.com/mstephenp/simple-blockchain-rs
[INFO] tweaked toml for git repo https://github.com/mstephenp/simple-blockchain-rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/mstephenp/simple-blockchain-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+218e3b1b9f68e7a8b7fb8fcbff627c64536eebaa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+218e3b1b9f68e7a8b7fb8fcbff627c64536eebaa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6ccd0b891bf8b63f27b9a0d08a84d4df8f5aa36613a4d51026ee5b25b98807f3
[INFO] running `Command { std: "docker" "start" "-a" "6ccd0b891bf8b63f27b9a0d08a84d4df8f5aa36613a4d51026ee5b25b98807f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ccd0b891bf8b63f27b9a0d08a84d4df8f5aa36613a4d51026ee5b25b98807f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ccd0b891bf8b63f27b9a0d08a84d4df8f5aa36613a4d51026ee5b25b98807f3", kill_on_drop: false }`
[INFO] [stdout] 6ccd0b891bf8b63f27b9a0d08a84d4df8f5aa36613a4d51026ee5b25b98807f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+218e3b1b9f68e7a8b7fb8fcbff627c64536eebaa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bea6c45b359148e0306d8137b5c59cde3be9ad959afba7096b290273a09d9d3c
[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" "bea6c45b359148e0306d8137b5c59cde3be9ad959afba7096b290273a09d9d3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking cfg-if v1.0.0
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[INFO] [stderr]    Compiling futures-task v0.3.18
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[INFO] [stderr]     Checking pin-utils v0.1.0
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[INFO] [stderr]     Checking matches v0.1.9
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[INFO] [stderr]    Compiling ring v0.16.20
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[INFO] [stderr]    Compiling prost-build v0.8.0
[INFO] [stderr]     Checking salsa20 v0.8.1
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[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking rand v0.8.4
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[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.2.1
[INFO] [stderr]    Compiling libsecp256k1-gen-genmult v0.2.1
[INFO] [stderr]    Compiling libsecp256k1 v0.5.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.78
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.78
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling prost-derive v0.8.0
[INFO] [stderr]    Compiling futures-macro v0.3.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling zeroize_derive v1.2.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling minicbor-derive v0.6.4
[INFO] [stderr]    Compiling libp2p-swarm-derive v0.24.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.78
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking curve25519-dalek v3.2.0
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[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]     Checking js-sys v0.3.55
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking x25519-dalek v1.2.0
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking if-watch v0.2.2
[INFO] [stderr]     Checking async-std v1.10.0
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling prost v0.8.0
[INFO] [stderr]     Checking minicbor v0.8.1
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
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[INFO] [stderr]    Compiling prost-types v0.8.0
[INFO] [stderr]    Compiling multihash-derive v0.7.2
[INFO] [stderr]     Checking futures-rustls v0.21.1
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[INFO] [stderr]     Checking trust-dns-proto v0.20.3
[INFO] [stderr]     Checking futures v0.3.18
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[INFO] [stderr]     Checking yamux v0.9.0
[INFO] [stderr]     Checking soketto v0.4.2
[INFO] [stderr]     Checking libp2p-pnet v0.21.0
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.28
[INFO] [stderr]     Checking multihash v0.14.0
[INFO] [stderr]     Checking multistream-select v0.10.4
[INFO] [stderr]    Compiling libp2p-core v0.29.0
[INFO] [stderr]    Compiling libp2p-kad v0.31.0
[INFO] [stderr]    Compiling libp2p-relay v0.3.0
[INFO] [stderr]    Compiling libp2p-plaintext v0.29.0
[INFO] [stderr]    Compiling libp2p-floodsub v0.30.0
[INFO] [stderr]    Compiling libp2p-gossipsub v0.32.0
[INFO] [stderr]    Compiling libp2p-identify v0.30.0
[INFO] [stderr]    Compiling libp2p-noise v0.32.0
[INFO] [stderr]     Checking trust-dns-resolver v0.20.3
[INFO] [stderr]     Checking multiaddr v0.13.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking serde_json v1.0.72
[INFO] [stderr]     Checking async-std-resolver v0.20.3
[INFO] [stderr]     Checking libp2p-swarm v0.30.0
[INFO] [stderr]     Checking libp2p-yamux v0.33.0
[INFO] [stderr]     Checking libp2p-dns v0.29.0
[INFO] [stderr]     Checking libp2p-uds v0.29.0
[INFO] [stderr]     Checking libp2p-tcp v0.29.0
[INFO] [stderr]     Checking libp2p-websocket v0.30.0
[INFO] [stderr]     Checking libp2p-wasm-ext v0.29.0
[INFO] [stderr]     Checking libp2p-mplex v0.29.0
[INFO] [stderr]     Checking libp2p-deflate v0.29.0
[INFO] [stderr]     Checking libp2p-request-response v0.12.0
[INFO] [stderr]     Checking libp2p-mdns v0.31.0
[INFO] [stderr]     Checking libp2p-ping v0.30.0
[INFO] [stderr]     Checking libp2p v0.39.1
[INFO] [stderr]     Checking simple-blockchain-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 04s
[INFO] running `Command { std: "docker" "inspect" "bea6c45b359148e0306d8137b5c59cde3be9ad959afba7096b290273a09d9d3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bea6c45b359148e0306d8137b5c59cde3be9ad959afba7096b290273a09d9d3c", kill_on_drop: false }`
[INFO] [stdout] bea6c45b359148e0306d8137b5c59cde3be9ad959afba7096b290273a09d9d3c