[INFO] fetching crate bitcoin 0.26.0...
[INFO] checking bitcoin-0.26.0 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate bitcoin 0.26.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate bitcoin 0.26.0 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitcoin 0.26.0
[INFO] finished tweaking crates.io crate bitcoin 0.26.0
[INFO] tweaked toml for crates.io crate bitcoin 0.26.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate bitcoin 0.26.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37c7817a89a1f62f44e3c5b2c741bae3f28db2ab43c8d8c6dd19821faea7d7d5
[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" "37c7817a89a1f62f44e3c5b2c741bae3f28db2ab43c8d8c6dd19821faea7d7d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37c7817a89a1f62f44e3c5b2c741bae3f28db2ab43c8d8c6dd19821faea7d7d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37c7817a89a1f62f44e3c5b2c741bae3f28db2ab43c8d8c6dd19821faea7d7d5", kill_on_drop: false }`
[INFO] [stdout] 37c7817a89a1f62f44e3c5b2c741bae3f28db2ab43c8d8c6dd19821faea7d7d5
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b23154881af214b3c8cb2e6471505f738e45229b8c072e5fcfe729a98d3eac83
[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" "b23154881af214b3c8cb2e6471505f738e45229b8c072e5fcfe729a98d3eac83", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking bitcoin_hashes v0.9.4
[INFO] [stderr]     Checking rand_core v0.3.1
[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]    Compiling secp256k1-sys v0.4.0
[INFO] [stderr]     Checking secp256k1 v0.20.0
[INFO] [stderr]     Checking serde_test v1.0.117
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking bitcoin v0.26.0 (/opt/rustwide/workdir)
[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 --cfg 'feature="default"' --cfg 'feature="secp-recovery"' -C metadata=5eb8887fb6901ded -C extra-filename=-5eb8887fb6901ded --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bech32=/opt/rustwide/target/debug/deps/libbech32-22bd35e34f0fabd7.rmeta --extern bitcoin_hashes=/opt/rustwide/target/debug/deps/libbitcoin_hashes-d305643b7393c819.rmeta --extern ryu=/opt/rustwide/target/debug/deps/libryu-96a6f3109a96f978.rmeta --extern secp256k1=/opt/rustwide/target/debug/deps/libsecp256k1-f2a89b7b2c25af1d.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-8a130897b2547766.rmeta --extern serde_test=/opt/rustwide/target/debug/deps/libserde_test-ab3c553975487507.rmeta --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/secp256k1-sys-ab9f4c3bdd27da2a/out` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "b23154881af214b3c8cb2e6471505f738e45229b8c072e5fcfe729a98d3eac83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b23154881af214b3c8cb2e6471505f738e45229b8c072e5fcfe729a98d3eac83", kill_on_drop: false }`
[INFO] [stdout] b23154881af214b3c8cb2e6471505f738e45229b8c072e5fcfe729a98d3eac83