[INFO] fetching crate substrate-browser-utils 0.8.0...
[INFO] testing substrate-browser-utils-0.8.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate substrate-browser-utils 0.8.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate substrate-browser-utils 0.8.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate substrate-browser-utils 0.8.0
[INFO] finished tweaking crates.io crate substrate-browser-utils 0.8.0
[INFO] tweaked toml for crates.io crate substrate-browser-utils 0.8.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ecb1fe8ed62519d9cff43bda0799eeac37013d64376ac5b311c8a39e66d75b2
[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" "1ecb1fe8ed62519d9cff43bda0799eeac37013d64376ac5b311c8a39e66d75b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ecb1fe8ed62519d9cff43bda0799eeac37013d64376ac5b311c8a39e66d75b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ecb1fe8ed62519d9cff43bda0799eeac37013d64376ac5b311c8a39e66d75b2", kill_on_drop: false }`
[INFO] [stdout] 1ecb1fe8ed62519d9cff43bda0799eeac37013d64376ac5b311c8a39e66d75b2
[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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6abd0cc0e78f1e0ccae6d2528aff2b683b0f7154d4c18ebec047d61c5a22186
[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" "c6abd0cc0e78f1e0ccae6d2528aff2b683b0f7154d4c18ebec047d61c5a22186", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling send_wrapper v0.4.0
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling mio-named-pipes v0.1.7
[INFO] [stderr]    Compiling futures-timer v2.0.2
[INFO] [stderr]    Compiling retain_mut v0.1.2
[INFO] [stderr]    Compiling send_wrapper v0.3.0
[INFO] [stderr]    Compiling blake2b_simd v0.5.11
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling directories v2.0.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling jsonrpc-core v15.1.0
[INFO] [stderr]    Compiling sp-chain-spec v2.0.0
[INFO] [stderr]    Compiling ct-logs v0.7.0
[INFO] [stderr]    Compiling jsonrpc-derive v15.1.0
[INFO] [stderr]    Compiling sc-chain-spec-derive v2.0.0
[INFO] [stderr]    Compiling rustls-native-certs v0.4.0
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling web-sys v0.3.46
[INFO] [stderr]    Compiling impl-codec v0.4.2
[INFO] [stderr]    Compiling sp-storage v2.0.0
[INFO] [stderr]    Compiling sp-wasm-interface v2.0.0
[INFO] [stderr]    Compiling sp-arithmetic v2.0.0
[INFO] [stderr]    Compiling fork-tree v2.0.0
[INFO] [stderr]    Compiling globset v0.4.6
[INFO] [stderr]    Compiling tokio v0.2.24
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sp-arithmetic-2.0.0/src/fixed_point.rs:541:9
[INFO] [stdout]      |
[INFO] [stdout] 541  |                   let accuracy = P::ACCURACY.saturated_into();
[INFO] [stdout]      |                       ^^^^^^^^ consider giving `accuracy` a type
[INFO] [stdout] ...
[INFO] [stdout] 1595 | / implement_fixed!(
[INFO] [stdout] 1596 | |     FixedI64,
[INFO] [stdout] 1597 | |     test_fixed_i64,
[INFO] [stdout] 1598 | |     i64,
[INFO] [stdout] ...    |
[INFO] [stdout] 1601 | |     "_Fixed Point 64 bits signed, range = [-9223372036.854775808, 9223372036.854775807]_",
[INFO] [stdout] 1602 | | );
[INFO] [stdout]      | |__- in this macro invocation
[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[E0282]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sp-arithmetic-2.0.0/src/fixed_point.rs:541:9
[INFO] [stdout]      |
[INFO] [stdout] 541  |                   let accuracy = P::ACCURACY.saturated_into();
[INFO] [stdout]      |                       ^^^^^^^^ consider giving `accuracy` a type
[INFO] [stdout] ...
[INFO] [stdout] 1604 | / implement_fixed!(
[INFO] [stdout] 1605 | |     FixedI128,
[INFO] [stdout] 1606 | |     test_fixed_i128,
[INFO] [stdout] 1607 | |     i128,
[INFO] [stdout] ...    |
[INFO] [stdout] 1611 | |         [-170141183460469231731.687303715884105728, 170141183460469231731.687303715884105727]_",
[INFO] [stdout] 1612 | | );
[INFO] [stdout]      | |__- in this macro invocation
[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[E0282]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sp-arithmetic-2.0.0/src/fixed_point.rs:541:9
[INFO] [stdout]      |
[INFO] [stdout] 541  |                   let accuracy = P::ACCURACY.saturated_into();
[INFO] [stdout]      |                       ^^^^^^^^ consider giving `accuracy` a type
[INFO] [stdout] ...
[INFO] [stdout] 1614 | / implement_fixed!(
[INFO] [stdout] 1615 | |     FixedU128,
[INFO] [stdout] 1616 | |     test_fixed_u128,
[INFO] [stdout] 1617 | |     u128,
[INFO] [stdout] ...    |
[INFO] [stdout] 1621 | |         [0.000000000000000000, 340282366920938463463.374607431768211455]_",
[INFO] [stdout] 1622 | | );
[INFO] [stdout]      | |__- in this macro invocation
[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 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sp-arithmetic`
[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" "c6abd0cc0e78f1e0ccae6d2528aff2b683b0f7154d4c18ebec047d61c5a22186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6abd0cc0e78f1e0ccae6d2528aff2b683b0f7154d4c18ebec047d61c5a22186", kill_on_drop: false }`
[INFO] [stdout] c6abd0cc0e78f1e0ccae6d2528aff2b683b0f7154d4c18ebec047d61c5a22186