[INFO] fetching crate pallet-contract-operator 1.3.0...
[INFO] testing pallet-contract-operator-1.3.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate pallet-contract-operator 1.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pallet-contract-operator 1.3.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pallet-contract-operator 1.3.0
[INFO] finished tweaking crates.io crate pallet-contract-operator 1.3.0
[INFO] tweaked toml for crates.io crate pallet-contract-operator 1.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de50274c4ed3e09eb18ed9830d22ef95b7955278f23f73137e25f62ca32d12a8
[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" "de50274c4ed3e09eb18ed9830d22ef95b7955278f23f73137e25f62ca32d12a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de50274c4ed3e09eb18ed9830d22ef95b7955278f23f73137e25f62ca32d12a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de50274c4ed3e09eb18ed9830d22ef95b7955278f23f73137e25f62ca32d12a8", kill_on_drop: false }`
[INFO] [stdout] de50274c4ed3e09eb18ed9830d22ef95b7955278f23f73137e25f62ca32d12a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae7a7f4259c60c52e32106941b7e408f6d8918676b35bdb3b1acde0c938ea9fe
[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" "ae7a7f4259c60c52e32106941b7e408f6d8918676b35bdb3b1acde0c938ea9fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling pallet-timestamp v2.0.0-rc5
[INFO] [stderr]    Compiling pallet-balances v2.0.0-rc5
[INFO] [stderr]    Compiling pallet-contract-operator v1.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self as system`
[INFO] [stdout]  --> src/lib.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use frame_system::{self as system, ensure_signed, RawOrigin};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.11s
[INFO] running `Command { std: "docker" "inspect" "ae7a7f4259c60c52e32106941b7e408f6d8918676b35bdb3b1acde0c938ea9fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae7a7f4259c60c52e32106941b7e408f6d8918676b35bdb3b1acde0c938ea9fe", kill_on_drop: false }`
[INFO] [stdout] ae7a7f4259c60c52e32106941b7e408f6d8918676b35bdb3b1acde0c938ea9fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57ad8388b95f5c34da3e17443fb76fdb4733e5b48283641b97811d9e3c3bc08d
[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" "57ad8388b95f5c34da3e17443fb76fdb4733e5b48283641b97811d9e3c3bc08d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling wabt-sys v0.8.0
[INFO] [stdout] warning: unused import: `self as system`
[INFO] [stdout]  --> src/lib.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use frame_system::{self as system, ensure_signed, RawOrigin};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syn`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.44/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' -C metadata=fab28718ff60e657 -C extra-filename=-fab28718ff60e657 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-1c8cd06d03ec2d01.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-179b18ceb2cbc452.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-de12218e15042935.rmeta --cap-lints allow --cap-lints=warn --cfg syn_can_match_trailing_dollar --cfg syn_can_use_thread_id --cfg syn_can_use_associated_constants --cfg syn_can_call_macro_by_path --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "57ad8388b95f5c34da3e17443fb76fdb4733e5b48283641b97811d9e3c3bc08d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57ad8388b95f5c34da3e17443fb76fdb4733e5b48283641b97811d9e3c3bc08d", kill_on_drop: false }`
[INFO] [stdout] 57ad8388b95f5c34da3e17443fb76fdb4733e5b48283641b97811d9e3c3bc08d