[INFO] updating cached repository https://github.com/SkyBeastMC/bitcoin_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 03c65737ebafa0b3c5a763020500fa242f86efb4
[INFO] checking SkyBeastMC/bitcoin_rust against try#6024cfef3a82f9a7688f07054f1650081bad3af5 for pr-74130
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSkyBeastMC%2Fbitcoin_rust" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SkyBeastMC/bitcoin_rust on toolchain 6024cfef3a82f9a7688f07054f1650081bad3af5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SkyBeastMC/bitcoin_rust
[INFO] finished tweaking git repo https://github.com/SkyBeastMC/bitcoin_rust
[INFO] tweaked toml for git repo https://github.com/SkyBeastMC/bitcoin_rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/SkyBeastMC/bitcoin_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9591fcd75500661d8ec1e757325a7d51c973daa6138e7558907e82c14322ab7
[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" "c9591fcd75500661d8ec1e757325a7d51c973daa6138e7558907e82c14322ab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9591fcd75500661d8ec1e757325a7d51c973daa6138e7558907e82c14322ab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9591fcd75500661d8ec1e757325a7d51c973daa6138e7558907e82c14322ab7", kill_on_drop: false }`
[INFO] [stdout] c9591fcd75500661d8ec1e757325a7d51c973daa6138e7558907e82c14322ab7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4218c0e8ecb3a7b9e2237d8d4aed9e5af83162b56659aabc8e4527b49b8372e9
[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" "4218c0e8ecb3a7b9e2237d8d4aed9e5af83162b56659aabc8e4527b49b8372e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking byte-tools v0.3.0
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking opaque-debug v0.2.1
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking block-padding v0.1.2
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling proc-macro-hack v0.4.1
[INFO] [stderr]    Compiling hex-literal-impl v0.1.1
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]    Compiling secp256k1 v0.5.6
[INFO] [stderr]     Checking hex-literal v0.1.1
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]     Checking block-buffer v0.7.0
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking hmac v0.7.0
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking ripemd160 v0.8.0
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking serde v0.6.15
[INFO] [stderr]     Checking serde_json v0.6.1
[INFO] [stderr]     Checking rustcoin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.43s
[INFO] running `Command { std: "docker" "inspect" "4218c0e8ecb3a7b9e2237d8d4aed9e5af83162b56659aabc8e4527b49b8372e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4218c0e8ecb3a7b9e2237d8d4aed9e5af83162b56659aabc8e4527b49b8372e9", kill_on_drop: false }`
[INFO] [stdout] 4218c0e8ecb3a7b9e2237d8d4aed9e5af83162b56659aabc8e4527b49b8372e9