[INFO] cloning repository https://github.com/ElementsProject/rust-elements
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ElementsProject/rust-elements" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElementsProject%2Frust-elements", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElementsProject%2Frust-elements'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95ac2de51353c049ceac38390cad1407220d0a59
[INFO] testing ElementsProject/rust-elements against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElementsProject%2Frust-elements" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ElementsProject/rust-elements on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ElementsProject/rust-elements
[INFO] finished tweaking git repo https://github.com/ElementsProject/rust-elements
[INFO] tweaked toml for git repo https://github.com/ElementsProject/rust-elements written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitcoin_hashes v0.7.6
[INFO] [stderr]   Downloaded slip21 v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f97b3a3d2c723901479fcbd73b8d30890182d798b15e4df32988787972d0cb51
[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" "f97b3a3d2c723901479fcbd73b8d30890182d798b15e4df32988787972d0cb51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f97b3a3d2c723901479fcbd73b8d30890182d798b15e4df32988787972d0cb51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f97b3a3d2c723901479fcbd73b8d30890182d798b15e4df32988787972d0cb51", kill_on_drop: false }`
[INFO] [stdout] f97b3a3d2c723901479fcbd73b8d30890182d798b15e4df32988787972d0cb51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 739d37dda1b76dcdbf10308818ce6cd8a87fb5022206b8e7c6d2fcced83570f8
[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" "739d37dda1b76dcdbf10308818ce6cd8a87fb5022206b8e7c6d2fcced83570f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling bech32 v0.7.2
[INFO] [stderr]    Compiling bitcoin_hashes v0.7.6
[INFO] [stderr]    Compiling bitcoin_hashes v0.9.4
[INFO] [stderr]    Compiling secp256k1-sys v0.3.0
[INFO] [stderr]    Compiling secp256k1 v0.19.0
[INFO] [stderr]    Compiling slip21 v0.2.0
[INFO] [stderr]    Compiling bitcoin v0.25.2
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling elements v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.03s
[INFO] running `Command { std: "docker" "inspect" "739d37dda1b76dcdbf10308818ce6cd8a87fb5022206b8e7c6d2fcced83570f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "739d37dda1b76dcdbf10308818ce6cd8a87fb5022206b8e7c6d2fcced83570f8", kill_on_drop: false }`
[INFO] [stdout] 739d37dda1b76dcdbf10308818ce6cd8a87fb5022206b8e7c6d2fcced83570f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a1ccdc358309291b40cdb3f6c4c2374c8e6a77969d4fb3bcf9be7d58242567e
[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" "4a1ccdc358309291b40cdb3f6c4c2374c8e6a77969d4fb3bcf9be7d58242567e", kill_on_drop: false }`
[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]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling elements v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `elements`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name elements 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="json-contract"' --cfg 'feature="serde_json"' -C metadata=9c41aad96138caf5 -C extra-filename=-9c41aad96138caf5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitcoin=/opt/rustwide/target/debug/deps/libbitcoin-7444ce738aad7c16.rlib --extern bitcoin_hashes=/opt/rustwide/target/debug/deps/libbitcoin_hashes-6cfc4e05fc0558cc.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-1cdc9e14000aab56.rlib --extern ryu=/opt/rustwide/target/debug/deps/libryu-190403dec639a8de.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-a8e7d4a6525cbee7.rlib --extern slip21=/opt/rustwide/target/debug/deps/libslip21-697a4f8486c93857.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/secp256k1-sys-0563557ace5f4624/out` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "4a1ccdc358309291b40cdb3f6c4c2374c8e6a77969d4fb3bcf9be7d58242567e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a1ccdc358309291b40cdb3f6c4c2374c8e6a77969d4fb3bcf9be7d58242567e", kill_on_drop: false }`
[INFO] [stdout] 4a1ccdc358309291b40cdb3f6c4c2374c8e6a77969d4fb3bcf9be7d58242567e