[INFO] crate hex-buffer-serde 0.2.1 is already in cache
[INFO] checking hex-buffer-serde-0.2.1 against master#6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 for pr-70872
[INFO] extracting crate hex-buffer-serde 0.2.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate hex-buffer-serde 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 hex-buffer-serde 0.2.1
[INFO] finished tweaking crates.io crate hex-buffer-serde 0.2.1
[INFO] tweaked toml for crates.io crate hex-buffer-serde 0.2.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate hex-buffer-serde 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 6d46b392f7db85dde4f0a63a06b27021e421818615bb509523d4f22a878d5a4f
[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" "6d46b392f7db85dde4f0a63a06b27021e421818615bb509523d4f22a878d5a4f"`
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking hex-buffer-serde v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking curve25519-dalek v2.0.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.96s
[INFO] running `"docker" "inspect" "6d46b392f7db85dde4f0a63a06b27021e421818615bb509523d4f22a878d5a4f"`
[INFO] running `"docker" "rm" "-f" "6d46b392f7db85dde4f0a63a06b27021e421818615bb509523d4f22a878d5a4f"`
[INFO] [stdout] 6d46b392f7db85dde4f0a63a06b27021e421818615bb509523d4f22a878d5a4f