[INFO] fetching crate mount_status_monitor 2.1.5...
[INFO] checking mount_status_monitor-2.1.5 against beta for pr-78714
[INFO] extracting crate mount_status_monitor 2.1.5 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate mount_status_monitor 2.1.5 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mount_status_monitor 2.1.5
[INFO] finished tweaking crates.io crate mount_status_monitor 2.1.5
[INFO] tweaked toml for crates.io crate mount_status_monitor 2.1.5 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate mount_status_monitor 2.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e459cd4bb66fabaacd8eaa6eee473c4311e94fd75dcf68e16f6194050d33527
[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" "6e459cd4bb66fabaacd8eaa6eee473c4311e94fd75dcf68e16f6194050d33527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e459cd4bb66fabaacd8eaa6eee473c4311e94fd75dcf68e16f6194050d33527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e459cd4bb66fabaacd8eaa6eee473c4311e94fd75dcf68e16f6194050d33527", kill_on_drop: false }`
[INFO] [stdout] 6e459cd4bb66fabaacd8eaa6eee473c4311e94fd75dcf68e16f6194050d33527
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f3f7ed7a67098d6e8f5f254aa7fff75bf3bb4552a54ba28cc981e0d4690f5e8
[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" "7f3f7ed7a67098d6e8f5f254aa7fff75bf3bb4552a54ba28cc981e0d4690f5e8", 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]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling protobuf v2.10.2
[INFO] [stderr]    Compiling prometheus v0.8.0
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking openssl-sys v0.9.54
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking backtrace v0.3.44
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking error-chain v0.12.2
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking openssl v0.10.28
[INFO] [stderr]     Checking syslog v5.0.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.11
[INFO] [stderr]     Checking thiserror v1.0.11
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking hyper v0.13.2
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking reqwest v0.10.3
[INFO] [stderr]     Checking mount_status_monitor v2.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.40s
[INFO] running `Command { std: "docker" "inspect" "7f3f7ed7a67098d6e8f5f254aa7fff75bf3bb4552a54ba28cc981e0d4690f5e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f3f7ed7a67098d6e8f5f254aa7fff75bf3bb4552a54ba28cc981e0d4690f5e8", kill_on_drop: false }`
[INFO] [stdout] 7f3f7ed7a67098d6e8f5f254aa7fff75bf3bb4552a54ba28cc981e0d4690f5e8