[INFO] updating cached repository https://github.com/domsj/rust-sd
[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] 756a9ebeb6ab0ce986538fe45cc345d8383220ac
[INFO] testing domsj/rust-sd against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdomsj%2Frust-sd" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/domsj/rust-sd 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/domsj/rust-sd
[INFO] finished tweaking git repo https://github.com/domsj/rust-sd
[INFO] tweaked toml for git repo https://github.com/domsj/rust-sd written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/domsj/rust-sd 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] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] e34aa2b099e008dae7e2e67232511f90ffada0dbba29c6452322fed409015d02
[INFO] running `"docker" "start" "-a" "e34aa2b099e008dae7e2e67232511f90ffada0dbba29c6452322fed409015d02"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] Compiling libc v0.2.34
[INFO] [stderr] Compiling cfg-if v0.1.2
[INFO] [stderr] Compiling futures v0.1.17
[INFO] [stderr] Compiling log v0.3.8
[INFO] [stderr] Compiling byteorder v1.2.1
[INFO] [stderr] Compiling unicode-xid v0.0.4
[INFO] [stderr] Compiling lazycell v0.5.1
[INFO] [stderr] Compiling slab v0.3.0
[INFO] [stderr] Compiling quote v0.3.15
[INFO] [stderr] Compiling scoped-tls v0.1.0
[INFO] [stderr] Compiling slab v0.4.0
[INFO] [stderr] Compiling itoa v0.3.4
[INFO] [stderr] Compiling void v1.0.2
[INFO] [stderr] Compiling num-traits v0.1.41
[INFO] [stderr] Compiling dtoa v0.4.2
[INFO] [stderr] Compiling smallvec v0.2.1
[INFO] [stderr] Compiling bitflags v0.9.1
[INFO] [stderr] Compiling serde v1.0.23
[INFO] [stderr] Compiling take v0.1.0
[INFO] [stderr] Compiling synom v0.11.3
[INFO] [stderr] Compiling syn v0.11.11
[INFO] [stderr] Compiling iovec v0.1.1
[INFO] [stderr] Compiling net2 v0.2.31
[INFO] [stderr] Compiling rand v0.3.18
[INFO] [stderr] Compiling num_cpus v1.7.0
[INFO] [stderr] Compiling nix v0.9.0
[INFO] [stderr] Compiling bytes v0.4.5
[INFO] [stderr] Compiling mio v0.6.11
[INFO] [stderr] Compiling serde_derive_internals v0.17.0
[INFO] [stderr] Compiling tokio-io v0.1.4
[INFO] [stderr] Compiling tokio-service v0.1.0
[INFO] [stderr] Compiling futures-cpupool v0.1.7
[INFO] [stderr] Compiling tokio-core v0.1.10
[INFO] [stderr] Compiling serde_derive v1.0.23
[INFO] [stderr] Compiling tokio-proto v0.1.1
[INFO] [stderr] Compiling serde_json v1.0.7
[INFO] [stderr] Compiling rust_sd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr] --> src/main.rs:98:67
[INFO] [stderr] |
[INFO] [stderr] 98 | fn decode(&mut self, buf: &mut BytesMut) -> Result