[INFO] crate eosio_core 0.2.1 is already in cache
[INFO] checking eosio_core-0.2.1 against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] extracting crate eosio_core 0.2.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate eosio_core 0.2.1 on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d86677ac0b93c46451274501e6859d4c03f91d0c6abcd6d877c23b124945064d
[INFO] running `"docker" "start" "-a" "d86677ac0b93c46451274501e6859d4c03f91d0c6abcd6d877c23b124945064d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling serde v1.0.109
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling eosio_numstr v0.2.2
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling eosio_numstr_macros_impl v0.2.1
[INFO] [stderr]    Compiling eosio_bytes_derive v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.109
[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] [stderr] warning: unused import: `n`
[INFO] [stderr]    --> src/asset.rs:361:31
[INFO] [stderr]     |
[INFO] [stderr] 361 |     use eosio_numstr_macros::{n, s};
[INFO] [stderr]     |                               ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `n`
[INFO] [stderr]    --> src/symbol.rs:139:31
[INFO] [stderr]     |
[INFO] [stderr] 139 |     use eosio_numstr_macros::{n, s};
[INFO] [stderr]     |                               ^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.68s
[INFO] running `"docker" "inspect" "d86677ac0b93c46451274501e6859d4c03f91d0c6abcd6d877c23b124945064d"`
[INFO] running `"docker" "rm" "-f" "d86677ac0b93c46451274501e6859d4c03f91d0c6abcd6d877c23b124945064d"`
[INFO] [stdout] d86677ac0b93c46451274501e6859d4c03f91d0c6abcd6d877c23b124945064d