[INFO] fetching crate scryer-prolog 0.8.123...
[INFO] checking scryer-prolog-0.8.123 against master#74e80468347471779be6060d8d7d6d04e98e467f for pr-72788
[INFO] extracting crate scryer-prolog 0.8.123 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate scryer-prolog 0.8.123 on toolchain 74e80468347471779be6060d8d7d6d04e98e467f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate scryer-prolog 0.8.123
[INFO] finished tweaking crates.io crate scryer-prolog 0.8.123
[INFO] tweaked toml for crates.io crate scryer-prolog 0.8.123 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate scryer-prolog 0.8.123 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+74e80468347471779be6060d8d7d6d04e98e467f" "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] c2c489847a8c81605bd1871c45fbdab9b28edd041541743b5fa9f3fdf3b4607b
[INFO] running `"docker" "start" "-a" "c2c489847a8c81605bd1871c45fbdab9b28edd041541743b5fa9f3fdf3b4607b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.2.2
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]    Compiling rug v1.8.0
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking az v0.3.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking divrem v0.1.0
[INFO] [stderr]     Checking downcast v0.10.0
[INFO] [stderr]     Checking ref_thread_local v0.0.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking memchr v2.3.3
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]    Compiling lexical v2.2.2
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking unicode_reader v1.0.0
[INFO] [stderr]     Checking ripemd160 v0.8.0
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling ring v0.16.13
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling scryer-prolog v0.8.123 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking ordered-float v0.5.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking cpu-time v1.0.0
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking signal-hook v0.1.13
[INFO] [stderr]     Checking crossterm v0.16.0
[INFO] [stderr]     Checking rustyline v6.1.2
[INFO] [stderr]    Compiling git-version-macro v0.3.4
[INFO] [stderr]     Checking git-version v0.3.4
[ERROR] error running command: no output for 300 seconds
[INFO] running `"docker" "inspect" "c2c489847a8c81605bd1871c45fbdab9b28edd041541743b5fa9f3fdf3b4607b"`
[INFO] running `"docker" "rm" "-f" "c2c489847a8c81605bd1871c45fbdab9b28edd041541743b5fa9f3fdf3b4607b"`
[INFO] [stdout] c2c489847a8c81605bd1871c45fbdab9b28edd041541743b5fa9f3fdf3b4607b