[INFO] crate git-calver 20.3.5 is already in cache
[INFO] checking git-calver-20.3.5 against master#6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 for pr-70872
[INFO] extracting crate git-calver 20.3.5 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate git-calver 20.3.5 on toolchain 6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate git-calver 20.3.5
[INFO] finished tweaking crates.io crate git-calver 20.3.5
[INFO] tweaked toml for crates.io crate git-calver 20.3.5 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate git-calver 20.3.5 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-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" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c6f26fb0f3fd8a55432d928e2e6c212f2d2c44570e24c1272aca53daeb73bd70
[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" "c6f26fb0f3fd8a55432d928e2e6c212f2d2c44570e24c1272aca53daeb73bd70"`
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.15
[INFO] [stderr]    Compiling libgit2-sys v0.9.2
[INFO] [stderr]     Checking git2 v0.10.2
[INFO] [stderr]     Checking git-calver v20.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.79s
[INFO] running `"docker" "inspect" "c6f26fb0f3fd8a55432d928e2e6c212f2d2c44570e24c1272aca53daeb73bd70"`
[INFO] running `"docker" "rm" "-f" "c6f26fb0f3fd8a55432d928e2e6c212f2d2c44570e24c1272aca53daeb73bd70"`
[INFO] [stdout] c6f26fb0f3fd8a55432d928e2e6c212f2d2c44570e24c1272aca53daeb73bd70