[INFO] fetching crate pallet-im-online 2.0.0...
[INFO] checking pallet-im-online-2.0.0 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate pallet-im-online 2.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate pallet-im-online 2.0.0 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pallet-im-online 2.0.0
[INFO] finished tweaking crates.io crate pallet-im-online 2.0.0
[INFO] tweaked toml for crates.io crate pallet-im-online 2.0.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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] e929516f0a1a5341804147e7a1b09806f970101d95aa33cefe05f5495609c9d6
[INFO] running `Command { std: "docker" "start" "-a" "e929516f0a1a5341804147e7a1b09806f970101d95aa33cefe05f5495609c9d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e929516f0a1a5341804147e7a1b09806f970101d95aa33cefe05f5495609c9d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e929516f0a1a5341804147e7a1b09806f970101d95aa33cefe05f5495609c9d6", kill_on_drop: false }`
[INFO] [stdout] e929516f0a1a5341804147e7a1b09806f970101d95aa33cefe05f5495609c9d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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] 634b2283deef8c789cca4e7e634d033a34be5e52aa9f9802e9ba70e93c1ef444
[INFO] running `Command { std: "docker" "start" "-a" "634b2283deef8c789cca4e7e634d033a34be5e52aa9f9802e9ba70e93c1ef444", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]     Checking memory-db v0.24.1
[INFO] [stderr]     Checking trie-db v0.22.1
[INFO] [stderr]     Checking trie-root v0.16.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking tiny-bip39 v0.7.3
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]    Compiling sp-api-proc-macro v2.0.0
[INFO] [stderr]     Checking statrs v0.10.0
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking sp-arithmetic v2.0.0
[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" "634b2283deef8c789cca4e7e634d033a34be5e52aa9f9802e9ba70e93c1ef444", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "634b2283deef8c789cca4e7e634d033a34be5e52aa9f9802e9ba70e93c1ef444", kill_on_drop: false }`
[INFO] [stdout] 634b2283deef8c789cca4e7e634d033a34be5e52aa9f9802e9ba70e93c1ef444