[INFO] updating cached repository https://github.com/cuhk-lambda/trace-gen
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9392b9f5d5b39d9b27428b0f28fe9a26ffac4eb0
[INFO] checking cuhk-lambda/trace-gen against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcuhk-lambda%2Ftrace-gen" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cuhk-lambda/trace-gen on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/cuhk-lambda/trace-gen
[INFO] finished tweaking git repo https://github.com/cuhk-lambda/trace-gen
[INFO] tweaked toml for git repo https://github.com/cuhk-lambda/trace-gen written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/cuhk-lambda/trace-gen already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+ba72b15666b2491415aec703a02c2364fe5e2790" "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] 9d89f4e46cdb07b8f0014dc2c8d311be76a829f986edd46da9a11f2391f1af11
[INFO] running `"docker" "start" "-a" "9d89f4e46cdb07b8f0014dc2c8d311be76a829f986edd46da9a11f2391f1af11"`
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]     Checking float-cmp v0.5.3
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.10
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]    Compiling proc-macro-error v0.4.8
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.8
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking mimalloc v0.1.13
[INFO] [stderr]    Compiling structopt-derive v0.4.2
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking structopt v0.3.9
[INFO] [stderr]     Checking halfbrown v0.1.10
[INFO] [stderr]     Checking serde_json v1.0.47
[INFO] [stderr]     Checking simd-json v0.2.3
[INFO] [stderr]     Checking trace-gen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.87s
[INFO] running `"docker" "inspect" "9d89f4e46cdb07b8f0014dc2c8d311be76a829f986edd46da9a11f2391f1af11"`
[INFO] running `"docker" "rm" "-f" "9d89f4e46cdb07b8f0014dc2c8d311be76a829f986edd46da9a11f2391f1af11"`
[INFO] [stdout] 9d89f4e46cdb07b8f0014dc2c8d311be76a829f986edd46da9a11f2391f1af11