[INFO] crate xargo 0.3.20 is already in cache
[INFO] checking xargo-0.3.20 against try#3ae4c050387df9f7fbb379ee90ce8bf05e566870 for pr-70872
[INFO] extracting crate xargo 0.3.20 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate xargo 0.3.20 on toolchain 3ae4c050387df9f7fbb379ee90ce8bf05e566870
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate xargo 0.3.20
[INFO] finished tweaking crates.io crate xargo 0.3.20
[INFO] tweaked toml for crates.io crate xargo 0.3.20 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate xargo 0.3.20 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 75389f46eef9f2a0d2f804f473411e20285254a5abfbf1fc5efe821a5042d4db
[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" "75389f46eef9f2a0d2f804f473411e20285254a5abfbf1fc5efe821a5042d4db"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking semver v0.1.20
[INFO] [stderr]    Compiling xargo v0.3.20 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking error-chain v0.7.2
[INFO] [stderr]     Checking rustc_version v0.1.7
[INFO] [stderr]     Checking parking_lot v0.3.8
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.71s
[INFO] running `"docker" "inspect" "75389f46eef9f2a0d2f804f473411e20285254a5abfbf1fc5efe821a5042d4db"`
[INFO] running `"docker" "rm" "-f" "75389f46eef9f2a0d2f804f473411e20285254a5abfbf1fc5efe821a5042d4db"`
[INFO] [stdout] 75389f46eef9f2a0d2f804f473411e20285254a5abfbf1fc5efe821a5042d4db