[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] testing cuhk-lambda/trace-gen against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcuhk-lambda%2Ftrace-gen" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cuhk-lambda/trace-gen on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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-8/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" "+beta-2020-06-03" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f1b5c4af7d8f8a3063053de6a4af6e9a9f403a141004bfc803ae7bd42aa28d41
[INFO] running `"docker" "start" "-a" "f1b5c4af7d8f8a3063053de6a4af6e9a9f403a141004bfc803ae7bd42aa28d41"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.10
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]    Compiling float-cmp v0.5.3
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.47
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling const-random v0.1.8
[INFO] [stderr]    Compiling ahash v0.2.18
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling mimalloc v0.1.13
[INFO] [stderr]    Compiling proc-macro-error v0.4.8
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.8
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling structopt-derive v0.4.2
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling halfbrown v0.1.10
[INFO] [stderr]    Compiling structopt v0.3.9
[INFO] [stderr]    Compiling simd-json v0.2.3
[INFO] [stderr]    Compiling trace-gen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.23s
[INFO] running `"docker" "inspect" "f1b5c4af7d8f8a3063053de6a4af6e9a9f403a141004bfc803ae7bd42aa28d41"`
[INFO] running `"docker" "rm" "-f" "f1b5c4af7d8f8a3063053de6a4af6e9a9f403a141004bfc803ae7bd42aa28d41"`
[INFO] [stdout] f1b5c4af7d8f8a3063053de6a4af6e9a9f403a141004bfc803ae7bd42aa28d41
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4e434b1bd87c7fdc7d6eedcf9593e2af56447f5d53e7e8f19b6f284fb372c892
[INFO] running `"docker" "start" "-a" "4e434b1bd87c7fdc7d6eedcf9593e2af56447f5d53e7e8f19b6f284fb372c892"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling trace-gen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `"docker" "inspect" "4e434b1bd87c7fdc7d6eedcf9593e2af56447f5d53e7e8f19b6f284fb372c892"`
[INFO] running `"docker" "rm" "-f" "4e434b1bd87c7fdc7d6eedcf9593e2af56447f5d53e7e8f19b6f284fb372c892"`
[INFO] [stdout] 4e434b1bd87c7fdc7d6eedcf9593e2af56447f5d53e7e8f19b6f284fb372c892
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6dbd6fb19f2313ff5aeffe18eb3934c52de8ce592986a8c47a1fbaf5ea59c013
[INFO] running `"docker" "start" "-a" "6dbd6fb19f2313ff5aeffe18eb3934c52de8ce592986a8c47a1fbaf5ea59c013"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/trace_gen-f000872335b4bb26
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "6dbd6fb19f2313ff5aeffe18eb3934c52de8ce592986a8c47a1fbaf5ea59c013"`
[INFO] running `"docker" "rm" "-f" "6dbd6fb19f2313ff5aeffe18eb3934c52de8ce592986a8c47a1fbaf5ea59c013"`
[INFO] [stdout] 6dbd6fb19f2313ff5aeffe18eb3934c52de8ce592986a8c47a1fbaf5ea59c013