[INFO] fetching crate pwasm-ethereum 0.8.0...
[INFO] checking pwasm-ethereum-0.8.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate pwasm-ethereum 0.8.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate pwasm-ethereum 0.8.0 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pwasm-ethereum 0.8.0
[INFO] finished tweaking crates.io crate pwasm-ethereum 0.8.0
[INFO] tweaked toml for crates.io crate pwasm-ethereum 0.8.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pwasm-std v0.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab0be6b236abefeaa3e4f11b2eb997b6c3800f753aed1e8b4762c56b3b4663ea
[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" "ab0be6b236abefeaa3e4f11b2eb997b6c3800f753aed1e8b4762c56b3b4663ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab0be6b236abefeaa3e4f11b2eb997b6c3800f753aed1e8b4762c56b3b4663ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab0be6b236abefeaa3e4f11b2eb997b6c3800f753aed1e8b4762c56b3b4663ea", kill_on_drop: false }`
[INFO] [stdout] ab0be6b236abefeaa3e4f11b2eb997b6c3800f753aed1e8b4762c56b3b4663ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 544f506ed750da842fed01872053bed19c74fa58da849ae68c04dec0c09537e7
[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" "544f506ed750da842fed01872053bed19c74fa58da849ae68c04dec0c09537e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking static_assertions v0.2.5
[INFO] [stderr]     Checking pwasm-libc v0.2.1
[INFO] [stderr]     Checking fixed-hash v0.3.2
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking uint v0.5.0
[INFO] [stderr]     Checking pwasm-alloc v0.4.1
[INFO] [stderr]     Checking pwasm-std v0.13.1
[INFO] [stderr]     Checking pwasm-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 `pwasm_std` (which `pwasm_ethereum` depends on)
[INFO] [stdout]   = note: first definition in `pwasm_std` loaded from /opt/rustwide/target/debug/deps/libpwasm_std-aa82af06069ac4d3.rmeta
[INFO] [stdout]   = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-61556e43b375c2c0.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 `pwasm_std` (which `pwasm_ethereum` depends on)
[INFO] [stdout]   = note: first definition in `pwasm_std` loaded from /opt/rustwide/target/debug/deps/libpwasm_std-aa82af06069ac4d3.rmeta
[INFO] [stdout]   = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-61556e43b375c2c0.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 `pwasm_std` (which `pwasm_ethereum` depends on)
[INFO] [stdout]   = note: first definition in `pwasm_std` loaded from /opt/rustwide/target/debug/deps/libpwasm_std-aa82af06069ac4d3.rmeta
[INFO] [stdout]   = note: second definition in `panic_unwind` loaded from /opt/rustwide/rustup-home/toolchains/45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-787faa8b02fbd963.rlib
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pwasm-ethereum`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "544f506ed750da842fed01872053bed19c74fa58da849ae68c04dec0c09537e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "544f506ed750da842fed01872053bed19c74fa58da849ae68c04dec0c09537e7", kill_on_drop: false }`
[INFO] [stdout] 544f506ed750da842fed01872053bed19c74fa58da849ae68c04dec0c09537e7