[INFO] fetching crate tcp-warp-cli 0.2.0...
[INFO] checking tcp-warp-cli-0.2.0 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate tcp-warp-cli 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate tcp-warp-cli 0.2.0 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tcp-warp-cli 0.2.0
[INFO] finished tweaking crates.io crate tcp-warp-cli 0.2.0
[INFO] tweaked toml for crates.io crate tcp-warp-cli 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate tcp-warp-cli 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tcp-warp v0.2.0
[INFO] [stderr]   Downloaded clap-verbosity-flag v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95a8e7081426e67a0e2a075591b7dcc5230e295ee728dedb828c71e1bd7a54e3
[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" "95a8e7081426e67a0e2a075591b7dcc5230e295ee728dedb828c71e1bd7a54e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95a8e7081426e67a0e2a075591b7dcc5230e295ee728dedb828c71e1bd7a54e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95a8e7081426e67a0e2a075591b7dcc5230e295ee728dedb828c71e1bd7a54e3", kill_on_drop: false }`
[INFO] [stdout] 95a8e7081426e67a0e2a075591b7dcc5230e295ee728dedb828c71e1bd7a54e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15f7efb14bee01d86a4d6517a06a438903f3b677813d6a54924b5745d6476dab
[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" "15f7efb14bee01d86a4d6517a06a438903f3b677813d6a54924b5745d6476dab", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.1
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[INFO] [stderr]     Checking tokio v0.2.6
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking structopt v0.3.5
[INFO] [stderr]     Checking clap-verbosity-flag v0.3.0
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking tcp-warp v0.2.0
[INFO] [stderr]     Checking tcp-warp-cli v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.42s
[INFO] running `Command { std: "docker" "inspect" "15f7efb14bee01d86a4d6517a06a438903f3b677813d6a54924b5745d6476dab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15f7efb14bee01d86a4d6517a06a438903f3b677813d6a54924b5745d6476dab", kill_on_drop: false }`
[INFO] [stdout] 15f7efb14bee01d86a4d6517a06a438903f3b677813d6a54924b5745d6476dab