[INFO] fetching crate bitcoin 0.25.0...
[INFO] checking bitcoin-0.25.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate bitcoin 0.25.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate bitcoin 0.25.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitcoin 0.25.0
[INFO] finished tweaking crates.io crate bitcoin 0.25.0
[INFO] tweaked toml for crates.io crate bitcoin 0.25.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate bitcoin 0.25.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_test v1.0.104
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6cb95c912c37ebd52e738e6821581ae39cefaefa3c9d51595fc7b03faf6ff035
[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" "6cb95c912c37ebd52e738e6821581ae39cefaefa3c9d51595fc7b03faf6ff035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cb95c912c37ebd52e738e6821581ae39cefaefa3c9d51595fc7b03faf6ff035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cb95c912c37ebd52e738e6821581ae39cefaefa3c9d51595fc7b03faf6ff035", kill_on_drop: false }`
[INFO] [stdout] 6cb95c912c37ebd52e738e6821581ae39cefaefa3c9d51595fc7b03faf6ff035
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35f77e060d8fc1a860371c8b29bf14fa6142bbc77f221651c46dab0142520eab
[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" "35f77e060d8fc1a860371c8b29bf14fa6142bbc77f221651c46dab0142520eab", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking bitcoin_hashes v0.9.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling secp256k1-sys v0.3.0
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking secp256k1 v0.19.0
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]     Checking serde_test v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking bitcoin v0.25.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: taking a mutable reference to a `const` item
[INFO] [stdout]    --> src/network/address.rs:137:27
[INFO] [stdout]     |
[INFO] [stdout] 137 |                 services: ServiceFlags::NETWORK.add(ServiceFlags::WITNESS),
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(const_item_mutation)]` on by default
[INFO] [stdout]     = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stdout] note: mutable reference created due to call to this method
[INFO] [stdout]    --> src/network/constants.rs:143:5
[INFO] [stdout]     |
[INFO] [stdout] 143 |     pub fn add(&mut self, other: ServiceFlags) -> ServiceFlags {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `const` item defined here
[INFO] [stdout]    --> src/network/constants.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub const NETWORK: ServiceFlags = ServiceFlags(1 << 0);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bitcoin`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name bitcoin src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test -C metadata=7c6df613bee32d4e -C extra-filename=-7c6df613bee32d4e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bech32=/opt/rustwide/target/debug/deps/libbech32-8ad3dd96e5902653.rmeta --extern bitcoin_hashes=/opt/rustwide/target/debug/deps/libbitcoin_hashes-5472daab25d300c5.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-082fdec4a40f2cbb.rmeta --extern ryu=/opt/rustwide/target/debug/deps/libryu-634dc19fb0b9ac34.rmeta --extern secp256k1=/opt/rustwide/target/debug/deps/libsecp256k1-0e85a671433b936b.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-7b0b9c0ea467bdea.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-99f1ce38d468ca9e.rmeta --extern serde_test=/opt/rustwide/target/debug/deps/libserde_test-bfad2106793f9d27.rmeta --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/secp256k1-sys-d7e8d2d5850a289e/out` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "35f77e060d8fc1a860371c8b29bf14fa6142bbc77f221651c46dab0142520eab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35f77e060d8fc1a860371c8b29bf14fa6142bbc77f221651c46dab0142520eab", kill_on_drop: false }`
[INFO] [stdout] 35f77e060d8fc1a860371c8b29bf14fa6142bbc77f221651c46dab0142520eab