[INFO] fetching crate scale_std 0.0.1...
[INFO] checking scale_std-0.0.1 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate scale_std 0.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate scale_std 0.0.1 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scale_std 0.0.1
[INFO] finished tweaking crates.io crate scale_std 0.0.1
[INFO] tweaked toml for crates.io crate scale_std 0.0.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scale_documentation_parser v0.0.1
[INFO] [stderr]   Downloaded scale_documentation v0.0.1
[INFO] [stderr]   Downloaded scale-core v0.0.1
[INFO] [stderr]   Downloaded scale_impl_generator v0.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dc46ce2e04f7597597f38410023fd16dd5ae97bb8d38aebfe0de68a91a517298
[INFO] running `Command { std: "docker" "start" "-a" "dc46ce2e04f7597597f38410023fd16dd5ae97bb8d38aebfe0de68a91a517298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc46ce2e04f7597597f38410023fd16dd5ae97bb8d38aebfe0de68a91a517298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc46ce2e04f7597597f38410023fd16dd5ae97bb8d38aebfe0de68a91a517298", kill_on_drop: false }`
[INFO] [stdout] dc46ce2e04f7597597f38410023fd16dd5ae97bb8d38aebfe0de68a91a517298
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8d8ba6fcb1820e91201ea2de67da3312826b44fd8bb7b8ee8f0ded6c6fb7b2da
[INFO] running `Command { std: "docker" "start" "-a" "8d8ba6fcb1820e91201ea2de67da3312826b44fd8bb7b8ee8f0ded6c6fb7b2da", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling indenter v0.3.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling tracing-attributes v0.1.12
[INFO] [stderr]    Compiling scale_documentation_parser v0.0.1
[INFO] [stderr]    Compiling scale_documentation v0.0.1
[INFO] [stderr]    Compiling tracing v0.1.23
[INFO] [stderr]    Compiling scale_impl_generator v0.0.1
[INFO] [stdout] error: environment variable `SHARING_DATA` not defined
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/scale_impl_generator-0.0.1/src/lib.rs:386:42
[INFO] [stdout]     |
[INFO] [stdout] 386 |     let sshare = std::fs::read_to_string(env!("SHARING_DATA")).unwrap();
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `scale_impl_generator`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "8d8ba6fcb1820e91201ea2de67da3312826b44fd8bb7b8ee8f0ded6c6fb7b2da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d8ba6fcb1820e91201ea2de67da3312826b44fd8bb7b8ee8f0ded6c6fb7b2da", kill_on_drop: false }`
[INFO] [stdout] 8d8ba6fcb1820e91201ea2de67da3312826b44fd8bb7b8ee8f0ded6c6fb7b2da