[INFO] cloning repository https://github.com/LucioFranco/tcp-feeder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LucioFranco/tcp-feeder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucioFranco%2Ftcp-feeder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucioFranco%2Ftcp-feeder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b7b8db9d7dcec40270b17857fad91db5f0b6a96
[INFO] checking LucioFranco/tcp-feeder against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucioFranco%2Ftcp-feeder" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LucioFranco/tcp-feeder on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LucioFranco/tcp-feeder
[INFO] finished tweaking git repo https://github.com/LucioFranco/tcp-feeder
[INFO] tweaked toml for git repo https://github.com/LucioFranco/tcp-feeder written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/LucioFranco/tcp-feeder already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.3
[INFO] [stderr]   Downloaded rustversion v1.0.1
[INFO] [stderr]   Downloaded structopt v0.3.7
[INFO] [stderr]   Downloaded structopt-derive v0.4.0
[INFO] [stderr]   Downloaded bytes v0.5.3
[INFO] [stderr]   Downloaded hyper v0.13.1
[INFO] [stderr]   Downloaded syn-mid v0.4.0
[INFO] [stderr]   Downloaded proc-macro-error v0.4.4
[INFO] [stderr]   Downloaded tokio v0.2.6
[INFO] [stderr]   Downloaded tokio-macros v0.2.1
[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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0e31f056573e812df432d6046f5b01ed5deb9a567daa8381334fb8f03905846
[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" "a0e31f056573e812df432d6046f5b01ed5deb9a567daa8381334fb8f03905846", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0e31f056573e812df432d6046f5b01ed5deb9a567daa8381334fb8f03905846", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0e31f056573e812df432d6046f5b01ed5deb9a567daa8381334fb8f03905846", kill_on_drop: false }`
[INFO] [stdout] a0e31f056573e812df432d6046f5b01ed5deb9a567daa8381334fb8f03905846
[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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 085c7d79b1b330eab66c89ce6ecaf4211e224b1ba2f4643910d90c2154f6bed8
[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" "085c7d79b1b330eab66c89ce6ecaf4211e224b1ba2f4643910d90c2154f6bed8", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]    Compiling syn-mid v0.4.0
[INFO] [stderr]    Compiling rustversion v1.0.1
[INFO] [stderr]    Compiling tokio-macros v0.2.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]     Checking tokio v0.2.6
[INFO] [stderr]    Compiling proc-macro-error v0.4.4
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.3
[INFO] [stderr]    Compiling structopt-derive v0.4.0
[INFO] [stderr]     Checking pin-project v0.4.6
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking structopt v0.3.7
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking hyper v0.13.1
[INFO] [stderr]     Checking tcp-vector v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "085c7d79b1b330eab66c89ce6ecaf4211e224b1ba2f4643910d90c2154f6bed8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "085c7d79b1b330eab66c89ce6ecaf4211e224b1ba2f4643910d90c2154f6bed8", kill_on_drop: false }`
[INFO] [stdout] 085c7d79b1b330eab66c89ce6ecaf4211e224b1ba2f4643910d90c2154f6bed8