[INFO] fetching crate zfs-core 0.5.0...
[INFO] checking zfs-core-0.5.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate zfs-core 0.5.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate zfs-core 0.5.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zfs-core 0.5.0
[INFO] finished tweaking crates.io crate zfs-core 0.5.0
[INFO] tweaked toml for crates.io crate zfs-core 0.5.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate zfs-core 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] 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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6801b043feaf9ac4adecd3c979fdd5228485dfda240ca4ad40fbda40647eb28
[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" "f6801b043feaf9ac4adecd3c979fdd5228485dfda240ca4ad40fbda40647eb28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6801b043feaf9ac4adecd3c979fdd5228485dfda240ca4ad40fbda40647eb28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6801b043feaf9ac4adecd3c979fdd5228485dfda240ca4ad40fbda40647eb28", kill_on_drop: false }`
[INFO] [stdout] f6801b043feaf9ac4adecd3c979fdd5228485dfda240ca4ad40fbda40647eb28
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 878eed70cc826780217de08cec35b85ef0475bd6c049ce35235db32e3b3a7397
[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" "878eed70cc826780217de08cec35b85ef0475bd6c049ce35235db32e3b3a7397", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling nvpair-sys v0.4.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking foreign-types-shared v0.3.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking os_pipe v0.9.2
[INFO] [stderr]     Checking cstr-argument v0.1.1
[INFO] [stderr]    Compiling zfs-core-sys v0.5.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling foreign-types-macros v0.2.1
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]     Checking foreign-types v0.5.0
[INFO] [stderr]     Checking nvpair v0.5.0
[INFO] [stderr]     Checking snafu v0.6.10
[INFO] [stderr]     Checking zfs-core v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.41s
[INFO] running `Command { std: "docker" "inspect" "878eed70cc826780217de08cec35b85ef0475bd6c049ce35235db32e3b3a7397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "878eed70cc826780217de08cec35b85ef0475bd6c049ce35235db32e3b3a7397", kill_on_drop: false }`
[INFO] [stdout] 878eed70cc826780217de08cec35b85ef0475bd6c049ce35235db32e3b3a7397