[INFO] cloning repository https://github.com/devrandom/utxo-oracle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/devrandom/utxo-oracle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevrandom%2Futxo-oracle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevrandom%2Futxo-oracle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef5f58fdbfbc6b6bdcfc2137798f5f8d6df8e9ec
[INFO] checking devrandom/utxo-oracle against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevrandom%2Futxo-oracle" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/devrandom/utxo-oracle on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/devrandom/utxo-oracle
[INFO] finished tweaking git repo https://github.com/devrandom/utxo-oracle
[INFO] tweaked toml for git repo https://github.com/devrandom/utxo-oracle written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/devrandom/utxo-oracle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f05339535dfad92ae08cc0d2e5348b34e5c7921efd2907883fa9337322eb847
[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" "3f05339535dfad92ae08cc0d2e5348b34e5c7921efd2907883fa9337322eb847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f05339535dfad92ae08cc0d2e5348b34e5c7921efd2907883fa9337322eb847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f05339535dfad92ae08cc0d2e5348b34e5c7921efd2907883fa9337322eb847", kill_on_drop: false }`
[INFO] [stdout] 3f05339535dfad92ae08cc0d2e5348b34e5c7921efd2907883fa9337322eb847
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 874d323c0c2c6d7f39b19f84d7114f07947794f7901438c8234639da69e6fc88
[INFO] running `Command { std: "docker" "start" "-a" "874d323c0c2c6d7f39b19f84d7114f07947794f7901438c8234639da69e6fc88", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]     Checking safemem v0.3.2
[INFO] [stderr]     Checking bech32 v0.6.0
[INFO] [stderr]     Checking bech32 v0.7.1
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking bitcoin-bech32 v0.9.0
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling secp256k1 v0.12.0
[INFO] [stderr]    Compiling secp256k1 v0.15.5
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking strason v0.4.0
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking serde_test v1.0.101
[INFO] [stderr]     Checking bitcoin_hashes v0.3.2
[INFO] [stderr]     Checking bitcoin-amount v0.1.4
[INFO] [stderr]     Checking bitcoin_hashes v0.7.1
[INFO] [stderr]     Checking jsonrpc v0.11.0
[INFO] [stderr]     Checking bitcoin v0.21.0
[INFO] [stderr]     Checking bitcoin v0.18.2
[INFO] [stderr]     Checking bitcoincore-rpc-json v0.7.0
[INFO] [stderr]     Checking bitcoincore-rpc v0.7.0
[INFO] [stderr]     Checking utxo-oracle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.90s
[INFO] running `Command { std: "docker" "inspect" "874d323c0c2c6d7f39b19f84d7114f07947794f7901438c8234639da69e6fc88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "874d323c0c2c6d7f39b19f84d7114f07947794f7901438c8234639da69e6fc88", kill_on_drop: false }`
[INFO] [stdout] 874d323c0c2c6d7f39b19f84d7114f07947794f7901438c8234639da69e6fc88