[INFO] cloning repository https://github.com/MTDK1/srml-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MTDK1/srml-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMTDK1%2Fsrml-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMTDK1%2Fsrml-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 83d6f20d77bbfe869b205989adc37bec2d056b0d
[INFO] testing MTDK1/srml-example against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMTDK1%2Fsrml-example" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MTDK1/srml-example on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MTDK1/srml-example
[INFO] finished tweaking git repo https://github.com/MTDK1/srml-example
[INFO] tweaked toml for git repo https://github.com/MTDK1/srml-example written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/MTDK1/srml-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98a82ee1188b2a6b958067c0c54d7386c4fec4c03e84adf8e217ff383fae21e6
[INFO] running `Command { std: "docker" "start" "-a" "98a82ee1188b2a6b958067c0c54d7386c4fec4c03e84adf8e217ff383fae21e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98a82ee1188b2a6b958067c0c54d7386c4fec4c03e84adf8e217ff383fae21e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98a82ee1188b2a6b958067c0c54d7386c4fec4c03e84adf8e217ff383fae21e6", kill_on_drop: false }`
[INFO] [stdout] 98a82ee1188b2a6b958067c0c54d7386c4fec4c03e84adf8e217ff383fae21e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f07b7be3a8c196f836f044f4eda2972f5d21de4161cb5b1f794a4c2bbc68ec01
[INFO] running `Command { std: "docker" "start" "-a" "f07b7be3a8c196f836f044f4eda2972f5d21de4161cb5b1f794a4c2bbc68ec01", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling serde v1.0.97
[INFO] [stderr]    Compiling subtle v2.1.0
[INFO] [stderr]    Compiling bitvec v0.11.3
[INFO] [stderr]    Compiling hash-db v0.14.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling sr-std v2.0.0 (https://github.com/paritytech/substrate.git?rev=6dc833c42ebb89a2684ed04be4689164eb59ca97#6dc833c4)
[INFO] [stderr]    Compiling sr-io v2.0.0 (https://github.com/paritytech/substrate.git?rev=6dc833c42ebb89a2684ed04be4689164eb59ca97#6dc833c4)
[INFO] [stderr]    Compiling crypto-mac v0.7.0
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling hash256-std-hasher v0.14.0
[INFO] [stderr]    Compiling elastic-array v0.10.2
[INFO] [stderr]    Compiling tiny-keccak v1.5.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling trie-root v0.14.0
[INFO] [stderr]    Compiling hmac v0.7.1
[INFO] [stderr]    Compiling libsecp256k1 v0.2.2
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling pbkdf2 v0.3.0
[INFO] [stderr]    Compiling merlin v1.2.0
[INFO] [stderr]    Compiling parity-wasm v0.31.3
[INFO] [stderr]    Compiling uint v0.8.0
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling curve25519-dalek v1.2.1
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling sha3 v0.8.2
[INFO] [stderr]    Compiling backtrace v0.3.33
[INFO] [stderr]    Compiling substrate-panic-handler v2.0.0 (https://github.com/paritytech/substrate.git?rev=6dc833c42ebb89a2684ed04be4689164eb59ca97#6dc833c4)
[INFO] [stderr]    Compiling fixed-hash v0.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling twox-hash v1.4.2
[INFO] [stderr]    Compiling trie-db v0.14.0
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling once_cell v0.1.8
[INFO] [stderr]    Compiling wasmi-validation v0.1.0
[INFO] [stderr]    Compiling wasmi v0.4.5
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.97
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling malloc_size_of_derive v0.1.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.8
[INFO] [stderr]    Compiling srml-support-procedural-tools-derive v2.0.0 (https://github.com/paritytech/substrate.git?rev=6dc833c42ebb89a2684ed04be4689164eb59ca97#6dc833c4)
[INFO] [stderr]    Compiling strum_macros v0.14.0
[INFO] [stderr]    Compiling parity-util-mem v0.2.0
[INFO] [stderr]    Compiling memory-db v0.14.0
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling ed25519-dalek v1.0.0-pre.1
[INFO] [stderr]    Compiling tiny-bip39 v0.6.2
[INFO] [stderr]    Compiling paste-impl v0.1.5
[INFO] [stderr]    Compiling schnorrkel v0.1.1
[INFO] [stderr]    Compiling substrate-bip39 v0.2.2
[INFO] [stderr]    Compiling paste v0.1.5
[INFO] [stderr]    Compiling toml v0.5.1
[INFO] [stderr]    Compiling impl-serde v0.2.0
[INFO] [stderr]    Compiling impl-serde v0.1.1
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]    Compiling srml-support-procedural-tools v2.0.0 (https://github.com/paritytech/substrate.git?rev=6dc833c42ebb89a2684ed04be4689164eb59ca97#6dc833c4)
[INFO] [stderr]    Compiling parity-codec-derive v3.3.0
[INFO] [stderr]    Compiling sr-api-macros v2.0.0 (https://github.com/paritytech/substrate.git?rev=6dc833c42ebb89a2684ed04be4689164eb59ca97#6dc833c4)
[INFO] [stderr]    Compiling parity-codec v4.1.2
[INFO] [stderr]    Compiling impl-codec v0.3.0
[INFO] [stderr]    Compiling primitive-types v0.4.0
[INFO] [stderr]    Compiling substrate-primitives v2.0.0 (https://github.com/paritytech/substrate.git?rev=6dc833c42ebb89a2684ed04be4689164eb59ca97#6dc833c4)
[INFO] [stderr]    Compiling substrate-trie v2.0.0 (https://github.com/paritytech/substrate.git?rev=6dc833c42ebb89a2684ed04be4689164eb59ca97#6dc833c4)
[INFO] [stderr]    Compiling srml-metadata v2.0.0 (https://github.com/paritytech/substrate.git?rev=6dc833c42ebb89a2684ed04be4689164eb59ca97#6dc833c4)
[INFO] [stderr]    Compiling substrate-state-machine v2.0.0 (https://github.com/paritytech/substrate.git?rev=6dc833c42ebb89a2684ed04be4689164eb59ca97#6dc833c4)
[INFO] [stderr]    Compiling sr-primitives v2.0.0 (https://github.com/paritytech/substrate.git?rev=6dc833c42ebb89a2684ed04be4689164eb59ca97#6dc833c4)
[INFO] [stderr]    Compiling srml-support-procedural v2.0.0 (https://github.com/paritytech/substrate.git?rev=6dc833c42ebb89a2684ed04be4689164eb59ca97#6dc833c4)
[INFO] [stderr]    Compiling substrate-inherents v2.0.0 (https://github.com/paritytech/substrate.git?rev=6dc833c42ebb89a2684ed04be4689164eb59ca97#6dc833c4)
[INFO] [stderr]    Compiling substrate-keyring v2.0.0 (https://github.com/paritytech/substrate.git?rev=6dc833c42ebb89a2684ed04be4689164eb59ca97#6dc833c4)
[INFO] [stderr]    Compiling srml-support v2.0.0 (https://github.com/paritytech/substrate.git?rev=6dc833c42ebb89a2684ed04be4689164eb59ca97#6dc833c4)
[INFO] [stderr]    Compiling srml-system v2.0.0 (https://github.com/paritytech/substrate.git?rev=6dc833c42ebb89a2684ed04be4689164eb59ca97#6dc833c4)
[INFO] [stdout] error[E0277]: the trait bound `<T as Trait>::BlockNumber: From<i32>` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/substrate-7e08433d4c370a21/6dc833c/srml/system/src/lib.rs:322:40
[INFO] [stdout]     |
[INFO] [stdout] 322 |         Number get(block_number) build(|_| 1.into()): T::BlockNumber;
[INFO] [stdout]     |                                              ^^^^ the trait `From<i32>` is not implemented for `<T as Trait>::BlockNumber`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required because of the requirements on the impl of `Into<<T as Trait>::BlockNumber>` for `i32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `srml-system` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "f07b7be3a8c196f836f044f4eda2972f5d21de4161cb5b1f794a4c2bbc68ec01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f07b7be3a8c196f836f044f4eda2972f5d21de4161cb5b1f794a4c2bbc68ec01", kill_on_drop: false }`
[INFO] [stdout] f07b7be3a8c196f836f044f4eda2972f5d21de4161cb5b1f794a4c2bbc68ec01