[INFO] fetching crate kf-socket 2.0.0...
[INFO] checking kf-socket-2.0.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate kf-socket 2.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate kf-socket 2.0.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kf-socket 2.0.0
[INFO] finished tweaking crates.io crate kf-socket 2.0.0
[INFO] tweaked toml for crates.io crate kf-socket 2.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate kf-socket 2.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded paste-impl v0.1.12
[INFO] [stderr]   Downloaded kv-log-macro v1.0.5
[INFO] [stderr]   Downloaded paste v0.1.12
[INFO] [stderr]   Downloaded flv-future-aio v2.1.0
[INFO] [stderr]   Downloaded kf-protocol-fs v1.0.1
[INFO] [stderr]   Downloaded kf-protocol v1.1.2
[INFO] [stderr]   Downloaded kf-protocol-transport v2.0.1
[INFO] [stderr]   Downloaded kf-protocol-core v0.1.1
[INFO] [stderr]   Downloaded kf-protocol-derive v0.1.0
[INFO] [stderr]   Downloaded flv-util v0.1.1
[INFO] [stderr]   Downloaded async-test-derive v1.0.0
[INFO] [stderr]   Downloaded kf-protocol-api v0.1.0
[INFO] [stderr]   Downloaded kf-protocol-message v0.1.0
[INFO] [stderr]   Downloaded flv-types v0.1.0
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe9be00f1387c03507dde33d00325c116bb8eb4f61cf39b9a7f054c4e5379c52
[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" "fe9be00f1387c03507dde33d00325c116bb8eb4f61cf39b9a7f054c4e5379c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe9be00f1387c03507dde33d00325c116bb8eb4f61cf39b9a7f054c4e5379c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe9be00f1387c03507dde33d00325c116bb8eb4f61cf39b9a7f054c4e5379c52", kill_on_drop: false }`
[INFO] [stdout] fe9be00f1387c03507dde33d00325c116bb8eb4f61cf39b9a7f054c4e5379c52
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b65a596ce11a3e94a2f1c37c1f4e514fe36f5af2557b0251f957f6b038e96b20
[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" "b65a596ce11a3e94a2f1c37c1f4e514fe36f5af2557b0251f957f6b038e96b20", kill_on_drop: false }`
[INFO] [stderr] warning: invalid feature `cli` in required-features of target `file_send`: `cli` is not present in [features] section
[INFO] [stderr] warning: invalid feature `cli` in required-features of target `file_send`: `cli` is not present in [features] section
[INFO] [stderr] warning: invalid feature `cli` in required-features of target `file_send`: `cli` is not present in [features] section
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling cc v1.0.53
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking pin-project-lite v0.1.5
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]    Compiling crc32c v0.4.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking content_inspector v0.2.4
[INFO] [stderr]     Checking kv-log-macro v1.0.5
[INFO] [stderr]     Checking flv-types v0.1.0
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]    Compiling ring v0.16.13
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking chashmap v2.2.2
[INFO] [stderr]     Checking flv-util v0.1.1
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling kf-protocol-derive v0.1.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.16
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling paste-impl v0.1.12
[INFO] [stderr]    Compiling async-test-derive v1.0.0
[INFO] [stderr]    Compiling async-trait v0.1.31
[INFO] [stderr]     Checking paste v0.1.12
[INFO] [stderr]     Checking pin-project v0.4.16
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking broadcaster v1.0.0
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]     Checking async-tls v0.7.0
[INFO] [stderr]     Checking kf-protocol-core v0.1.1
[INFO] [stderr]     Checking kf-protocol-api v0.1.0
[INFO] [stderr]     Checking flv-future-aio v2.1.0
[INFO] [stderr]     Checking kf-protocol-message v0.1.0
[INFO] [stderr]     Checking kf-protocol-transport v2.0.1
[INFO] [stderr]     Checking kf-protocol-fs v1.0.1
[INFO] [stderr]     Checking kf-protocol v1.1.2
[INFO] [stderr]     Checking kf-socket v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "b65a596ce11a3e94a2f1c37c1f4e514fe36f5af2557b0251f957f6b038e96b20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b65a596ce11a3e94a2f1c37c1f4e514fe36f5af2557b0251f957f6b038e96b20", kill_on_drop: false }`
[INFO] [stdout] b65a596ce11a3e94a2f1c37c1f4e514fe36f5af2557b0251f957f6b038e96b20