[INFO] crate err-derive 0.2.3 is already in cache
[INFO] checking err-derive-0.2.3 against try#f88e9a4452e792c29632101b348a1df9876d45cd for pr-70087
[INFO] extracting crate err-derive 0.2.3 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate err-derive 0.2.3 on toolchain f88e9a4452e792c29632101b348a1df9876d45cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f88e9a4452e792c29632101b348a1df9876d45cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate err-derive 0.2.3
[INFO] finished tweaking crates.io crate err-derive 0.2.3
[INFO] tweaked toml for crates.io crate err-derive 0.2.3 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate err-derive 0.2.3 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f88e9a4452e792c29632101b348a1df9876d45cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+f88e9a4452e792c29632101b348a1df9876d45cd" "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] b6028ce17c6903a7d8f30790de3b23edab8ada333df584826d221a1d58874e9a
[INFO] running `"docker" "start" "-a" "b6028ce17c6903a7d8f30790de3b23edab8ada333df584826d221a1d58874e9a"`
[INFO] [stderr]     Checking backtrace-sys v0.1.33
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]     Checking synstructure v0.12.3
[INFO] [stderr]     Checking proc-macro-error v0.4.11
[INFO] [stderr]     Checking backtrace v0.3.45
[INFO] [stderr]     Checking error-chain v0.12.2
[INFO] [stderr]     Checking cargo_metadata v0.6.4
[INFO] [stderr]    Compiling err-derive v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking skeptic v0.13.4
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.01s
[INFO] running `"docker" "inspect" "b6028ce17c6903a7d8f30790de3b23edab8ada333df584826d221a1d58874e9a"`
[INFO] running `"docker" "rm" "-f" "b6028ce17c6903a7d8f30790de3b23edab8ada333df584826d221a1d58874e9a"`
[INFO] [stdout] b6028ce17c6903a7d8f30790de3b23edab8ada333df584826d221a1d58874e9a