[INFO] fetching crate eosio_core 0.2.1...
[INFO] checking eosio_core-0.2.1 against master#31ee872db5aae4750e3da1ca4ed1523c4356947f for pr-78461
[INFO] extracting crate eosio_core 0.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate eosio_core 0.2.1 on toolchain 31ee872db5aae4750e3da1ca4ed1523c4356947f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate eosio_core 0.2.1
[INFO] finished tweaking crates.io crate eosio_core 0.2.1
[INFO] tweaked toml for crates.io crate eosio_core 0.2.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "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] 61e833e540e2177f94446a7fab9ab021df254cb3cd430e12dc0be77290d3e785
[INFO] running `Command { std: "docker" "start" "-a" "61e833e540e2177f94446a7fab9ab021df254cb3cd430e12dc0be77290d3e785", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61e833e540e2177f94446a7fab9ab021df254cb3cd430e12dc0be77290d3e785", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61e833e540e2177f94446a7fab9ab021df254cb3cd430e12dc0be77290d3e785", kill_on_drop: false }`
[INFO] [stdout] 61e833e540e2177f94446a7fab9ab021df254cb3cd430e12dc0be77290d3e785
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a98ded881e30ba2f35c21812cea9f7d7a3a94fcdc56ad36b5bd88c15f2eaa67
[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" "4a98ded881e30ba2f35c21812cea9f7d7a3a94fcdc56ad36b5bd88c15f2eaa67", kill_on_drop: false }`
[INFO] [stderr]     Checking eosio_numstr v0.2.2
[INFO] [stderr]    Compiling eosio_bytes_derive v0.2.1
[INFO] [stderr]     Checking eosio_numstr_macros v0.2.1
[INFO] [stderr]     Checking eosio_bytes v0.2.1
[INFO] [stderr]     Checking eosio_core v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `n`
[INFO] [stdout]    --> src/asset.rs:361:31
[INFO] [stdout]     |
[INFO] [stdout] 361 |     use eosio_numstr_macros::{n, s};
[INFO] [stdout]     |                               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `n`
[INFO] [stdout]    --> src/symbol.rs:139:31
[INFO] [stdout]     |
[INFO] [stdout] 139 |     use eosio_numstr_macros::{n, s};
[INFO] [stdout]     |                               ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.55s
[INFO] running `Command { std: "docker" "inspect" "4a98ded881e30ba2f35c21812cea9f7d7a3a94fcdc56ad36b5bd88c15f2eaa67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a98ded881e30ba2f35c21812cea9f7d7a3a94fcdc56ad36b5bd88c15f2eaa67", kill_on_drop: false }`
[INFO] [stdout] 4a98ded881e30ba2f35c21812cea9f7d7a3a94fcdc56ad36b5bd88c15f2eaa67