[INFO] fetching crate libipld-core 0.2.0...
[INFO] checking libipld-core-0.2.0 against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331
[INFO] extracting crate libipld-core 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate libipld-core 0.2.0 on toolchain 914adf04af1c1a984707f778da3d04590c03d144
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate libipld-core 0.2.0
[INFO] finished tweaking crates.io crate libipld-core 0.2.0
[INFO] tweaked toml for crates.io crate libipld-core 0.2.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+914adf04af1c1a984707f778da3d04590c03d144" "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] 1282fb424f8ab4e8830843a7d27ac5664329252a4790d469f572a1297b2dff1b
[INFO] running `"docker" "start" "-a" "1282fb424f8ab4e8830843a7d27ac5664329252a4790d469f572a1297b2dff1b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling data-encoding v2.2.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking unsigned-varint v0.3.3
[INFO] [stderr]     Checking base-x v0.2.6
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]     Checking blake2s_simd v0.5.10
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking multihash v0.11.2
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.18
[INFO] [stderr]     Checking data-encoding-macro v0.1.8
[INFO] [stderr]     Checking multibase v0.8.0
[INFO] [stderr]     Checking cid v0.5.0
[INFO] [stderr]     Checking thiserror v1.0.18
[INFO] [stderr]     Checking libipld-core v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.31s
[INFO] running `"docker" "inspect" "1282fb424f8ab4e8830843a7d27ac5664329252a4790d469f572a1297b2dff1b"`
[INFO] running `"docker" "rm" "-f" "1282fb424f8ab4e8830843a7d27ac5664329252a4790d469f572a1297b2dff1b"`
[INFO] [stdout] 1282fb424f8ab4e8830843a7d27ac5664329252a4790d469f572a1297b2dff1b