[INFO] fetching crate netxclient 1.5.3...
[INFO] checking netxclient-1.5.3 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate netxclient 1.5.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate netxclient 1.5.3 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate netxclient 1.5.3
[INFO] finished tweaking crates.io crate netxclient 1.5.3
[INFO] tweaked toml for crates.io crate netxclient 1.5.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate netxclient 1.5.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6ae884c4161e21592c75b58139bf0365c3008fb5c7939a5686a8afa25d3e83b
[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" "c6ae884c4161e21592c75b58139bf0365c3008fb5c7939a5686a8afa25d3e83b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6ae884c4161e21592c75b58139bf0365c3008fb5c7939a5686a8afa25d3e83b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6ae884c4161e21592c75b58139bf0365c3008fb5c7939a5686a8afa25d3e83b", kill_on_drop: false }`
[INFO] [stdout] c6ae884c4161e21592c75b58139bf0365c3008fb5c7939a5686a8afa25d3e83b
[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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9162f3d1ccd87ef56ded94bab2da1b58792d8868062dda0e884fbddc74794fcd
[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" "9162f3d1ccd87ef56ded94bab2da1b58792d8868062dda0e884fbddc74794fcd", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking futures-micro v0.5.0
[INFO] [stderr]    Compiling tokio v1.8.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking async-oneshot v0.5.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.22
[INFO] [stderr]     Checking rmp v0.8.10
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking mimalloc v0.1.26
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]    Compiling proc_macro_roids v0.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling auto_impl v0.4.1
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]    Compiling netxbuilder v1.2.0
[INFO] [stderr]     Checking aqueue v1.1.3
[INFO] [stderr]     Checking structopt v0.3.22
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking tcpclient v1.3.1
[INFO] [stderr]     Checking rmp-serde v0.15.5
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking data-rw v1.5.5
[INFO] [stderr]     Checking netxclient v1.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.15s
[INFO] running `Command { std: "docker" "inspect" "9162f3d1ccd87ef56ded94bab2da1b58792d8868062dda0e884fbddc74794fcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9162f3d1ccd87ef56ded94bab2da1b58792d8868062dda0e884fbddc74794fcd", kill_on_drop: false }`
[INFO] [stdout] 9162f3d1ccd87ef56ded94bab2da1b58792d8868062dda0e884fbddc74794fcd