[INFO] fetching crate unmp-link-websocket 0.3.4...
[INFO] checking unmp-link-websocket-0.3.4 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] extracting crate unmp-link-websocket 0.3.4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate unmp-link-websocket 0.3.4 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unmp-link-websocket 0.3.4
[INFO] finished tweaking crates.io crate unmp-link-websocket 0.3.4
[INFO] tweaked toml for crates.io crate unmp-link-websocket 0.3.4 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6f762cde3e4fb7dfd37b9f2deb9e5217d1680c0befeaf32bfb537bff6d8782ba
[INFO] running `Command { std: "docker" "start" "-a" "6f762cde3e4fb7dfd37b9f2deb9e5217d1680c0befeaf32bfb537bff6d8782ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f762cde3e4fb7dfd37b9f2deb9e5217d1680c0befeaf32bfb537bff6d8782ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f762cde3e4fb7dfd37b9f2deb9e5217d1680c0befeaf32bfb537bff6d8782ba", kill_on_drop: false }`
[INFO] [stdout] 6f762cde3e4fb7dfd37b9f2deb9e5217d1680c0befeaf32bfb537bff6d8782ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 349d25e752448beffafc9313b89f1980f5fb5a028165488c158cdbe1afcb00de
[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" "349d25e752448beffafc9313b89f1980f5fb5a028165488c158cdbe1afcb00de", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crc16 v0.4.0
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking fixed-queue v0.3.9
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking unmp-id v1.4.0
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking spin v0.9.0
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking futures-intrusive v0.4.0
[INFO] [stderr]     Checking task-stream v0.3.2
[INFO] [stderr]     Checking openssl-sys v0.9.63
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking unmp v0.4.5
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking websocket-base v0.26.2
[INFO] [stderr]     Checking websocket v0.26.2
[INFO] [stderr]     Checking unmp-link-websocket v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.38s
[INFO] running `Command { std: "docker" "inspect" "349d25e752448beffafc9313b89f1980f5fb5a028165488c158cdbe1afcb00de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "349d25e752448beffafc9313b89f1980f5fb5a028165488c158cdbe1afcb00de", kill_on_drop: false }`
[INFO] [stdout] 349d25e752448beffafc9313b89f1980f5fb5a028165488c158cdbe1afcb00de