[INFO] cloning repository https://github.com/sebastianpfluegelmeier/feedbackws
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sebastianpfluegelmeier/feedbackws" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebastianpfluegelmeier%2Ffeedbackws", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebastianpfluegelmeier%2Ffeedbackws'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7b454d947114dfdb2e484be87b442e956b7a4af2
[INFO] checking sebastianpfluegelmeier/feedbackws against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebastianpfluegelmeier%2Ffeedbackws" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sebastianpfluegelmeier/feedbackws on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sebastianpfluegelmeier/feedbackws
[INFO] finished tweaking git repo https://github.com/sebastianpfluegelmeier/feedbackws
[INFO] tweaked toml for git repo https://github.com/sebastianpfluegelmeier/feedbackws written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/sebastianpfluegelmeier/feedbackws already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "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 itoa v0.3.4
[INFO] [stderr]   Downloaded num v0.1.40
[INFO] [stderr]   Downloaded num-integer v0.1.35
[INFO] [stderr]   Downloaded num-complex v0.1.40
[INFO] [stderr]   Downloaded fuchsia-zircon-sys v0.2.0
[INFO] [stderr]   Downloaded libloading v0.3.4
[INFO] [stderr]   Downloaded target_build_utils v0.3.1
[INFO] [stderr]   Downloaded log v0.3.8
[INFO] [stderr]   Downloaded libc v0.2.32
[INFO] [stderr]   Downloaded lazy_static v0.2.9
[INFO] [stderr]   Downloaded phf v0.7.21
[INFO] [stderr]   Downloaded fuchsia-zircon v0.2.1
[INFO] [stderr]   Downloaded siphasher v0.2.2
[INFO] [stderr]   Downloaded phf_generator v0.7.21
[INFO] [stderr]   Downloaded rustc-serialize v0.3.24
[INFO] [stderr]   Downloaded serde_json v0.9.10
[INFO] [stderr]   Downloaded rand v0.3.17
[INFO] [stderr]   Downloaded num-rational v0.1.39
[INFO] [stderr]   Downloaded phf_shared v0.7.21
[INFO] [stderr]   Downloaded phf_codegen v0.7.21
[INFO] [stderr]   Downloaded dtoa v0.4.2
[INFO] [stderr]   Downloaded num-iter v0.1.34
[INFO] [stderr]   Downloaded num-bigint v0.1.40
[INFO] [stderr]   Downloaded num-traits v0.1.40
[INFO] [stderr]   Downloaded serde v0.9.15
[INFO] [stderr]   Downloaded vst2 v0.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 290c1cc84b60c2aec96ac87a0a4125be1e065a661a1efd5961d01906e72955ec
[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" "290c1cc84b60c2aec96ac87a0a4125be1e065a661a1efd5961d01906e72955ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "290c1cc84b60c2aec96ac87a0a4125be1e065a661a1efd5961d01906e72955ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "290c1cc84b60c2aec96ac87a0a4125be1e065a661a1efd5961d01906e72955ec", kill_on_drop: false }`
[INFO] [stdout] 290c1cc84b60c2aec96ac87a0a4125be1e065a661a1efd5961d01906e72955ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7cff66ba6cb80b8a67488c93a871820081bf9f9a46fc47c3fe30425e8ea1bb36
[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" "7cff66ba6cb80b8a67488c93a871820081bf9f9a46fc47c3fe30425e8ea1bb36", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]     Checking libc v0.2.32
[INFO] [stderr]     Checking lazy_static v0.2.9
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling rand v0.3.17
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking num-complex v0.1.40
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]     Checking num-bigint v0.1.40
[INFO] [stderr]     Checking num-rational v0.1.39
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]     Checking vst2 v0.0.1
[INFO] [stderr]     Checking feedbackws v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.56s
[INFO] running `Command { std: "docker" "inspect" "7cff66ba6cb80b8a67488c93a871820081bf9f9a46fc47c3fe30425e8ea1bb36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cff66ba6cb80b8a67488c93a871820081bf9f9a46fc47c3fe30425e8ea1bb36", kill_on_drop: false }`
[INFO] [stdout] 7cff66ba6cb80b8a67488c93a871820081bf9f9a46fc47c3fe30425e8ea1bb36