[INFO] crate rblake2sum 0.2.1 is already in cache
[INFO] checking rblake2sum-0.2.1 against master#6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 for pr-70872
[INFO] extracting crate rblake2sum 0.2.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rblake2sum 0.2.1 on toolchain 6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rblake2sum 0.2.1
[INFO] finished tweaking crates.io crate rblake2sum 0.2.1
[INFO] tweaked toml for crates.io crate rblake2sum 0.2.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate rblake2sum 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "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] a80185b08e4bfe0aff62dd15c36cf2080a80d117b98a1db76b9546a5a8124fce
[INFO] running `"docker" "start" "-a" "a80185b08e4bfe0aff62dd15c36cf2080a80d117b98a1db76b9546a5a8124fce"`
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]     Checking backtrace v0.3.43
[INFO] [stderr]    Compiling proc-macro-error v0.4.8
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.8
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling structopt-derive v0.4.2
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking crev-recursive-digest v0.2.1
[INFO] [stderr]     Checking common_failures v0.1.1
[INFO] [stderr]     Checking structopt v0.3.9
[INFO] [stderr]     Checking rblake2sum v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.70s
[INFO] running `"docker" "inspect" "a80185b08e4bfe0aff62dd15c36cf2080a80d117b98a1db76b9546a5a8124fce"`
[INFO] running `"docker" "rm" "-f" "a80185b08e4bfe0aff62dd15c36cf2080a80d117b98a1db76b9546a5a8124fce"`
[INFO] [stdout] a80185b08e4bfe0aff62dd15c36cf2080a80d117b98a1db76b9546a5a8124fce