[INFO] fetching crate devicemapper 0.29.0...
[INFO] checking devicemapper-0.29.0 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate devicemapper 0.29.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate devicemapper 0.29.0 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 devicemapper 0.29.0
[INFO] finished tweaking crates.io crate devicemapper 0.29.0
[INFO] tweaked toml for crates.io crate devicemapper 0.29.0 written to /workspace/builds/worker-14/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] [stderr]     Blocking waiting for file lock on package cache
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded loopdev v0.2.1
[INFO] [stderr]   Downloaded libmount v0.1.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] f5cd48f2d6cfe80ee618a7a794975aa4cfef8ae6f56e2f16fc5f7b06f37f59e6
[INFO] running `Command { std: "docker" "start" "-a" "f5cd48f2d6cfe80ee618a7a794975aa4cfef8ae6f56e2f16fc5f7b06f37f59e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5cd48f2d6cfe80ee618a7a794975aa4cfef8ae6f56e2f16fc5f7b06f37f59e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5cd48f2d6cfe80ee618a7a794975aa4cfef8ae6f56e2f16fc5f7b06f37f59e6", kill_on_drop: false }`
[INFO] [stdout] f5cd48f2d6cfe80ee618a7a794975aa4cfef8ae6f56e2f16fc5f7b06f37f59e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] af4b38af33a674134a0fc59c7a9db7b25d71ea56fa28c339e344faf5306159e8
[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" "af4b38af33a674134a0fc59c7a9db7b25d71ea56fa28c339e344faf5306159e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking loopdev v0.2.1
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking libmount v0.1.15
[INFO] [stderr]     Checking devicemapper v0.29.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.54s
[INFO] running `Command { std: "docker" "inspect" "af4b38af33a674134a0fc59c7a9db7b25d71ea56fa28c339e344faf5306159e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af4b38af33a674134a0fc59c7a9db7b25d71ea56fa28c339e344faf5306159e8", kill_on_drop: false }`
[INFO] [stdout] af4b38af33a674134a0fc59c7a9db7b25d71ea56fa28c339e344faf5306159e8