[INFO] fetching crate owasm-ethereum 0.8.0...
[INFO] checking owasm-ethereum-0.8.0 against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846
[INFO] extracting crate owasm-ethereum 0.8.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate owasm-ethereum 0.8.0 on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate owasm-ethereum 0.8.0
[INFO] finished tweaking crates.io crate owasm-ethereum 0.8.0
[INFO] tweaked toml for crates.io crate owasm-ethereum 0.8.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56620b08f03d5bb8f36534379c6fde562e804631a27dff3359b1571f5294c6b8
[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" "56620b08f03d5bb8f36534379c6fde562e804631a27dff3359b1571f5294c6b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56620b08f03d5bb8f36534379c6fde562e804631a27dff3359b1571f5294c6b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56620b08f03d5bb8f36534379c6fde562e804631a27dff3359b1571f5294c6b8", kill_on_drop: false }`
[INFO] [stdout] 56620b08f03d5bb8f36534379c6fde562e804631a27dff3359b1571f5294c6b8
[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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 256061e171668307c7fa90327439db90708a813af728223fb932a71fe031cd31
[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" "256061e171668307c7fa90327439db90708a813af728223fb932a71fe031cd31", kill_on_drop: false }`
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking uint v0.3.0
[INFO] [stderr]     Checking uint v0.4.1
[INFO] [stderr]     Checking parity-hash v1.2.2
[INFO] [stderr]     Checking owasm-std v0.13.0
[INFO] [stderr]     Checking owasm-ethereum v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: duplicate lang item in crate `std` (which `test` depends on): `panic_impl`.
[INFO] [stdout]   |
[INFO] [stdout]   = note: the lang item is first defined in crate `owasm_std` (which `owasm_ethereum` depends on)
[INFO] [stdout]   = note: first definition in `owasm_std` loaded from /opt/rustwide/target/debug/deps/libowasm_std-01afcc9105aca435.rmeta
[INFO] [stdout]   = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/7b3a7819371cef92a187e9bac8f7810ccde15216/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-843c4381784de358.rlib
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: duplicate lang item in crate `std` (which `test` depends on): `oom`.
[INFO] [stdout]   |
[INFO] [stdout]   = note: the lang item is first defined in crate `owasm_std` (which `owasm_ethereum` depends on)
[INFO] [stdout]   = note: first definition in `owasm_std` loaded from /opt/rustwide/target/debug/deps/libowasm_std-01afcc9105aca435.rmeta
[INFO] [stdout]   = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/7b3a7819371cef92a187e9bac8f7810ccde15216/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-843c4381784de358.rlib
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: duplicate lang item in crate `panic_unwind` (which `std` depends on): `eh_personality`.
[INFO] [stdout]   |
[INFO] [stdout]   = note: the lang item is first defined in crate `owasm_std` (which `owasm_ethereum` depends on)
[INFO] [stdout]   = note: first definition in `owasm_std` loaded from /opt/rustwide/target/debug/deps/libowasm_std-01afcc9105aca435.rmeta
[INFO] [stdout]   = note: second definition in `panic_unwind` loaded from /opt/rustwide/rustup-home/toolchains/7b3a7819371cef92a187e9bac8f7810ccde15216/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-8f6d722a9a73c6d7.rlib
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `owasm-ethereum`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "256061e171668307c7fa90327439db90708a813af728223fb932a71fe031cd31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "256061e171668307c7fa90327439db90708a813af728223fb932a71fe031cd31", kill_on_drop: false }`
[INFO] [stdout] 256061e171668307c7fa90327439db90708a813af728223fb932a71fe031cd31