[INFO] fetching crate gpgrv 0.2.2...
[INFO] checking gpgrv-0.2.2 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate gpgrv 0.2.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate gpgrv 0.2.2 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate gpgrv 0.2.2
[INFO] finished tweaking crates.io crate gpgrv 0.2.2
[INFO] tweaked toml for crates.io crate gpgrv 0.2.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate gpgrv 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 938a38b6cdc2e0e0510cd3da31c67913e4a3ab2b70a3e19500c7ac5c69178afd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "938a38b6cdc2e0e0510cd3da31c67913e4a3ab2b70a3e19500c7ac5c69178afd"`
[INFO] [stderr]    Compiling getrandom v0.1.10
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]     Checking iowrap v0.2.0
[INFO] [stderr]     Checking distro-keyring v0.1.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]     Checking num-complex v0.2.3
[INFO] [stderr]     Checking num-iter v0.1.39
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking backtrace v0.3.35
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking num-rational v0.2.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking gpgrv v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.21s
[INFO] running `"docker" "inspect" "938a38b6cdc2e0e0510cd3da31c67913e4a3ab2b70a3e19500c7ac5c69178afd"`
[INFO] running `"docker" "rm" "-f" "938a38b6cdc2e0e0510cd3da31c67913e4a3ab2b70a3e19500c7ac5c69178afd"`
[INFO] [stdout] 938a38b6cdc2e0e0510cd3da31c67913e4a3ab2b70a3e19500c7ac5c69178afd