[INFO] fetching crate borrowing_exerci 0.3.53...
[INFO] checking borrowing_exerci-0.3.53 against master#2da942f32802c8233a09744024dfbc34431adf65 for pr-66963
[INFO] extracting crate borrowing_exerci 0.3.53 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate borrowing_exerci 0.3.53 on toolchain 2da942f32802c8233a09744024dfbc34431adf65
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2da942f32802c8233a09744024dfbc34431adf65" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate borrowing_exerci 0.3.53
[INFO] finished tweaking crates.io crate borrowing_exerci 0.3.53
[INFO] tweaked toml for crates.io crate borrowing_exerci 0.3.53 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate borrowing_exerci 0.3.53 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2da942f32802c8233a09744024dfbc34431adf65" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+2da942f32802c8233a09744024dfbc34431adf65" "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] 12fa0a318c813d7d4de2f84151b7f676c5c1035f49ab98a94ee14f20d8f6772f
[INFO] running `"docker" "start" "-a" "12fa0a318c813d7d4de2f84151b7f676c5c1035f49ab98a94ee14f20d8f6772f"`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking getrandom v0.1.12
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking users v0.9.1
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking run_script v0.3.2
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking borrowing_exerci v0.3.53 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.18s
[INFO] running `"docker" "inspect" "12fa0a318c813d7d4de2f84151b7f676c5c1035f49ab98a94ee14f20d8f6772f"`
[INFO] running `"docker" "rm" "-f" "12fa0a318c813d7d4de2f84151b7f676c5c1035f49ab98a94ee14f20d8f6772f"`
[INFO] [stdout] 12fa0a318c813d7d4de2f84151b7f676c5c1035f49ab98a94ee14f20d8f6772f