[INFO] fetching crate packed-vec 0.0.1-alpha.8...
[INFO] checking packed-vec-0.0.1-alpha.8 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate packed-vec 0.0.1-alpha.8 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate packed-vec 0.0.1-alpha.8 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 crates.io crate packed-vec 0.0.1-alpha.8
[INFO] finished tweaking crates.io crate packed-vec 0.0.1-alpha.8
[INFO] tweaked toml for crates.io crate packed-vec 0.0.1-alpha.8 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prefix-varint v0.0.1-alpha.3
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "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] 7701cebe9db6d0e769688a00fd6562b7f2e90beb19ebe219742f2582ebc1116e
[INFO] running `Command { std: "docker" "start" "-a" "7701cebe9db6d0e769688a00fd6562b7f2e90beb19ebe219742f2582ebc1116e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7701cebe9db6d0e769688a00fd6562b7f2e90beb19ebe219742f2582ebc1116e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7701cebe9db6d0e769688a00fd6562b7f2e90beb19ebe219742f2582ebc1116e", kill_on_drop: false }`
[INFO] [stdout] 7701cebe9db6d0e769688a00fd6562b7f2e90beb19ebe219742f2582ebc1116e
[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" "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] 780c8183cf56619a514aa07f89082f59f7ff9dc2510bbb994d53d59b2a61e262
[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" "780c8183cf56619a514aa07f89082f59f7ff9dc2510bbb994d53d59b2a61e262", kill_on_drop: false }`
[INFO] [stderr]     Checking prefix-varint v0.0.1-alpha.3
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking packed-vec v0.0.1-alpha.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.91s
[INFO] running `Command { std: "docker" "inspect" "780c8183cf56619a514aa07f89082f59f7ff9dc2510bbb994d53d59b2a61e262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "780c8183cf56619a514aa07f89082f59f7ff9dc2510bbb994d53d59b2a61e262", kill_on_drop: false }`
[INFO] [stdout] 780c8183cf56619a514aa07f89082f59f7ff9dc2510bbb994d53d59b2a61e262