[INFO] fetching crate samotop-delivery 0.4.4...
[INFO] checking samotop-delivery-0.4.4 against beta for pr-78714
[INFO] extracting crate samotop-delivery 0.4.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate samotop-delivery 0.4.4 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate samotop-delivery 0.4.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate samotop-delivery 0.4.4
[INFO] tweaked toml for crates.io crate samotop-delivery 0.4.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate samotop-delivery 0.4.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5e9daf68445a95b28f618d870a0eae1c031219cbb8df56e2647045d8edd50cd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f5e9daf68445a95b28f618d870a0eae1c031219cbb8df56e2647045d8edd50cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5e9daf68445a95b28f618d870a0eae1c031219cbb8df56e2647045d8edd50cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5e9daf68445a95b28f618d870a0eae1c031219cbb8df56e2647045d8edd50cd", kill_on_drop: false }`
[INFO] [stdout] f5e9daf68445a95b28f618d870a0eae1c031219cbb8df56e2647045d8edd50cd
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 259604976bbfebeedf8ac7998bc6f5b74b47eaa9cdc146fab92bfd6d5a17d9a9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "259604976bbfebeedf8ac7998bc6f5b74b47eaa9cdc146fab92bfd6d5a17d9a9", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-sink v0.3.7
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]     Checking ascii_utils v0.9.3
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking crossbeam-utils v0.8.0
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]    Compiling samotop-async-trait v0.2.1
[INFO] [stderr]     Checking fast_chemail v0.9.6
[INFO] [stderr]     Checking futures-channel v0.3.7
[INFO] [stderr]     Checking async-io v1.1.10
[INFO] [stderr]     Checking futures-util v0.3.7
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking async-global-executor v1.4.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking async-std v1.6.5
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking env_logger v0.8.1
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Checking futures v0.3.7
[INFO] [stderr]     Checking potential v2.2.1
[INFO] [stderr]     Checking async-native-tls v0.3.3
[INFO] [stderr]     Checking samotop-delivery v0.4.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.55s
[INFO] running `Command { std: "docker" "inspect" "259604976bbfebeedf8ac7998bc6f5b74b47eaa9cdc146fab92bfd6d5a17d9a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "259604976bbfebeedf8ac7998bc6f5b74b47eaa9cdc146fab92bfd6d5a17d9a9", kill_on_drop: false }`
[INFO] [stdout] 259604976bbfebeedf8ac7998bc6f5b74b47eaa9cdc146fab92bfd6d5a17d9a9