[INFO] crate unjson 0.0.5 is already in cache
[INFO] checking unjson-0.0.5 against try#662bf71cc5bbfe44a109ab5b7205e12ec319754c for pr-67531
[INFO] extracting crate unjson 0.0.5 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate unjson 0.0.5 on toolchain 662bf71cc5bbfe44a109ab5b7205e12ec319754c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+662bf71cc5bbfe44a109ab5b7205e12ec319754c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate unjson 0.0.5
[INFO] finished tweaking crates.io crate unjson 0.0.5
[INFO] tweaked toml for crates.io crate unjson 0.0.5 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+662bf71cc5bbfe44a109ab5b7205e12ec319754c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+662bf71cc5bbfe44a109ab5b7205e12ec319754c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+662bf71cc5bbfe44a109ab5b7205e12ec319754c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a738079b9f28f982e0d78a84140124dc6faebcbdd86f5a1b48c102cf0d6ef57a
[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" "a738079b9f28f982e0d78a84140124dc6faebcbdd86f5a1b48c102cf0d6ef57a"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking serde v0.7.15
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking serde_json v0.7.4
[INFO] [stderr]     Checking unjson v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.05s
[INFO] running `"docker" "inspect" "a738079b9f28f982e0d78a84140124dc6faebcbdd86f5a1b48c102cf0d6ef57a"`
[INFO] running `"docker" "rm" "-f" "a738079b9f28f982e0d78a84140124dc6faebcbdd86f5a1b48c102cf0d6ef57a"`
[INFO] [stdout] a738079b9f28f982e0d78a84140124dc6faebcbdd86f5a1b48c102cf0d6ef57a