[INFO] fetching crate bitcoin 0.25.2...
[INFO] testing bitcoin-0.25.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate bitcoin 0.25.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate bitcoin 0.25.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitcoin 0.25.2
[INFO] finished tweaking crates.io crate bitcoin 0.25.2
[INFO] tweaked toml for crates.io crate bitcoin 0.25.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate bitcoin 0.25.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 196cdb6c0a9d61451afa61f7607da0168447bd4655e8e93fc17240798692c937
[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" "196cdb6c0a9d61451afa61f7607da0168447bd4655e8e93fc17240798692c937", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "196cdb6c0a9d61451afa61f7607da0168447bd4655e8e93fc17240798692c937", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "196cdb6c0a9d61451afa61f7607da0168447bd4655e8e93fc17240798692c937", kill_on_drop: false }`
[INFO] [stdout] 196cdb6c0a9d61451afa61f7607da0168447bd4655e8e93fc17240798692c937
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b736bab5cbcb736d34e67c1666897a6f8c1c0d6c86b39ee1850c58d2bd63924
[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" "1b736bab5cbcb736d34e67c1666897a6f8c1c0d6c86b39ee1850c58d2bd63924", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling bitcoin_hashes v0.9.4
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling secp256k1-sys v0.3.0
[INFO] [stderr]    Compiling secp256k1 v0.19.0
[INFO] [stderr]    Compiling bitcoin v0.25.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.40s
[INFO] running `Command { std: "docker" "inspect" "1b736bab5cbcb736d34e67c1666897a6f8c1c0d6c86b39ee1850c58d2bd63924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b736bab5cbcb736d34e67c1666897a6f8c1c0d6c86b39ee1850c58d2bd63924", kill_on_drop: false }`
[INFO] [stdout] 1b736bab5cbcb736d34e67c1666897a6f8c1c0d6c86b39ee1850c58d2bd63924
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 726c73606972e5432dd00b678561d8c210130e8718f54588a1e7717f18b40f89
[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" "726c73606972e5432dd00b678561d8c210130e8718f54588a1e7717f18b40f89", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling serde_test v1.0.117
[INFO] [stderr]    Compiling bitcoin v0.25.2 (/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,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="default"' --cfg 'feature="secp-recovery"' -C metadata=bdae59d95abbd0db -C extra-filename=-bdae59d95abbd0db --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bech32=/opt/rustwide/target/debug/deps/libbech32-699bb9d41699f3bf.rlib --extern bitcoin_hashes=/opt/rustwide/target/debug/deps/libbitcoin_hashes-b6c0942d57119c25.rlib --extern ryu=/opt/rustwide/target/debug/deps/libryu-71b80513a42fed02.rlib --extern secp256k1=/opt/rustwide/target/debug/deps/libsecp256k1-0775b827e4f16c34.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-5e49dd465fada705.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-b66303726bf2ab2c.rlib --extern serde_test=/opt/rustwide/target/debug/deps/libserde_test-e00e39933323662f.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/secp256k1-sys-d5028a802b6faf4c/out` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "726c73606972e5432dd00b678561d8c210130e8718f54588a1e7717f18b40f89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "726c73606972e5432dd00b678561d8c210130e8718f54588a1e7717f18b40f89", kill_on_drop: false }`
[INFO] [stdout] 726c73606972e5432dd00b678561d8c210130e8718f54588a1e7717f18b40f89