[INFO] updating cached repository https://github.com/NervosFoundation/serde_bench
[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] 121ba4c0d8f51840543c7f98fac5e7e858d2973c
[INFO] checking NervosFoundation/serde_bench against beta-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNervosFoundation%2Fserde_bench" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NervosFoundation/serde_bench on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/NervosFoundation/serde_bench
[INFO] finished tweaking git repo https://github.com/NervosFoundation/serde_bench
[INFO] tweaked toml for git repo https://github.com/NervosFoundation/serde_bench written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/NervosFoundation/serde_bench already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "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=allow" "-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-2019-10-27" "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] 46cbe27c9ed95808702aa946b6a8db33e1e4ad543dcdf6cb4b9ad993f93e6d9d
[INFO] running `"docker" "start" "-a" "46cbe27c9ed95808702aa946b6a8db33e1e4ad543dcdf6cb4b9ad993f93e6d9d"`
[INFO] [stderr]    Compiling crunchy v0.2.1
[INFO] [stderr]    Compiling protobuf v2.1.1
[INFO] [stderr]     Checking same-file v1.0.3
[INFO] [stderr]     Checking ethereum-types-serialize v0.2.1
[INFO] [stderr]     Checking ethereum-types-serialize v0.2.1 (https://github.com/NervosFoundation/primitives#dfb17048)
[INFO] [stderr]     Checking criterion-plot v0.2.5
[INFO] [stderr]     Checking fixed-hash v0.2.2
[INFO] [stderr]    Compiling uint v0.2.0 (https://github.com/NervosFoundation/primitives#dfb17048)
[INFO] [stderr]    Compiling bigint v0.2.3 (https://github.com/NervosFoundation/bigint#604d7695)
[INFO] [stderr]     Checking fixed-hash v0.2.1 (https://github.com/NervosFoundation/primitives#dfb17048)
[INFO] [stderr]     Checking tiny-keccak v1.4.2
[INFO] [stderr]     Checking uint v0.4.1
[INFO] [stderr]     Checking criterion-stats v0.2.5
[INFO] [stderr]     Checking itertools-num v0.1.2
[INFO] [stderr]     Checking flatbuffers v0.5.0
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking walkdir v2.2.5
[INFO] [stderr]     Checking ethbloom v0.5.0
[INFO] [stderr]     Checking simplelog v0.5.3
[INFO] [stderr]     Checking handlebars v0.32.4
[INFO] [stderr]     Checking csv v1.0.2
[INFO] [stderr]     Checking failure v0.1.2
[INFO] [stderr]     Checking ethereum-types v0.4.0
[INFO] [stderr]     Checking criterion v0.2.5
[INFO] [stderr]     Checking ssz v0.1.0 (https://github.com/sigp/lighthouse#817b52ff)
[INFO] [stderr]     Checking serde_bench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.06s
[INFO] running `"docker" "inspect" "46cbe27c9ed95808702aa946b6a8db33e1e4ad543dcdf6cb4b9ad993f93e6d9d"`
[INFO] running `"docker" "rm" "-f" "46cbe27c9ed95808702aa946b6a8db33e1e4ad543dcdf6cb4b9ad993f93e6d9d"`
[INFO] [stdout] 46cbe27c9ed95808702aa946b6a8db33e1e4ad543dcdf6cb4b9ad993f93e6d9d