[INFO] fetching crate hypercore 0.11.1-beta.3...
[INFO] checking hypercore-0.11.1-beta.3 against master#7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3 for pr-71873
[INFO] extracting crate hypercore 0.11.1-beta.3 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate hypercore 0.11.1-beta.3 on toolchain 7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate hypercore 0.11.1-beta.3
[INFO] finished tweaking crates.io crate hypercore 0.11.1-beta.3
[INFO] tweaked toml for crates.io crate hypercore 0.11.1-beta.3 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate hypercore 0.11.1-beta.3 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3" "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] a3480a2c5c682939ed28852fcac1d3e45760cc6aa29a2a3e457eff4cd6be5f6f
[INFO] running `"docker" "start" "-a" "a3480a2c5c682939ed28852fcac1d3e45760cc6aa29a2a3e457eff4cd6be5f6f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking flat-tree v5.0.0
[INFO] [stderr]     Checking subtle v2.2.2
[INFO] [stderr]     Checking regex-syntax v0.6.16
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking memory-pager v0.9.0
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking varinteger v1.0.6
[INFO] [stderr]     Checking mkdirp v1.0.0
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking merkle-tree-stream v0.12.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking sparse-bitfield v0.11.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking arrayvec v0.4.12
[INFO] [stderr]     Checking tree-index v0.6.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.7.9
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]     Checking curve25519-dalek v2.0.0
[INFO] [stderr]     Checking backtrace v0.3.44
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking random-access-storage v3.0.0
[INFO] [stderr]     Checking bitfield-rle v0.1.1
[INFO] [stderr]     Checking pretty-hash v0.4.1
[INFO] [stderr]     Checking sleep-parser v0.8.0
[INFO] [stderr]     Checking random-access-disk v1.0.0
[INFO] [stderr]     Checking random-access-memory v1.1.0
[INFO] [stderr]     Checking hypercore v0.11.1-beta.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `"docker" "inspect" "a3480a2c5c682939ed28852fcac1d3e45760cc6aa29a2a3e457eff4cd6be5f6f"`
[INFO] running `"docker" "rm" "-f" "a3480a2c5c682939ed28852fcac1d3e45760cc6aa29a2a3e457eff4cd6be5f6f"`
[INFO] [stdout] a3480a2c5c682939ed28852fcac1d3e45760cc6aa29a2a3e457eff4cd6be5f6f