[INFO] crate sandboxfs 0.2.0 is already in cache
[INFO] checking sandboxfs-0.2.0 against master#bd0bacc694d7d8175804bb6f690cb846bfa4a9ee for pr-71665
[INFO] extracting crate sandboxfs 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate sandboxfs 0.2.0 on toolchain bd0bacc694d7d8175804bb6f690cb846bfa4a9ee
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sandboxfs 0.2.0
[INFO] finished tweaking crates.io crate sandboxfs 0.2.0
[INFO] tweaked toml for crates.io crate sandboxfs 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate sandboxfs 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1b7dacf731c99d9f8d89cb4657ecf48cb792e5c7f1117f4413d890d6392d2ca7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "1b7dacf731c99d9f8d89cb4657ecf48cb792e5c7f1117f4413d890d6392d2ca7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling nix v0.12.1
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]    Compiling sandboxfs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking users v0.9.1
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking signal-hook v0.1.13
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.46s
[INFO] running `"docker" "inspect" "1b7dacf731c99d9f8d89cb4657ecf48cb792e5c7f1117f4413d890d6392d2ca7"`
[INFO] running `"docker" "rm" "-f" "1b7dacf731c99d9f8d89cb4657ecf48cb792e5c7f1117f4413d890d6392d2ca7"`
[INFO] [stdout] 1b7dacf731c99d9f8d89cb4657ecf48cb792e5c7f1117f4413d890d6392d2ca7