[INFO] fetching crate c-ares 7.2.0...
[INFO] checking c-ares-7.2.0 against master#ffa2e7ae8fbf9badc035740db949b9dae271c29f for pr-78338
[INFO] extracting crate c-ares 7.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate c-ares 7.2.0 on toolchain ffa2e7ae8fbf9badc035740db949b9dae271c29f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate c-ares 7.2.0
[INFO] finished tweaking crates.io crate c-ares 7.2.0
[INFO] tweaked toml for crates.io crate c-ares 7.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate c-ares 7.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "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-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "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] c16ad55c4da3e4ae62950519216472607ba790d9a6f292c7bab5bc6e0c22b8c5
[INFO] running `Command { std: "docker" "start" "-a" "c16ad55c4da3e4ae62950519216472607ba790d9a6f292c7bab5bc6e0c22b8c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c16ad55c4da3e4ae62950519216472607ba790d9a6f292c7bab5bc6e0c22b8c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c16ad55c4da3e4ae62950519216472607ba790d9a6f292c7bab5bc6e0c22b8c5", kill_on_drop: false }`
[INFO] [stdout] c16ad55c4da3e4ae62950519216472607ba790d9a6f292c7bab5bc6e0c22b8c5
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72e730eccd79068ea68aa954ba22cc736b5a82b20342577af93e27482c7c8c00
[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" "72e730eccd79068ea68aa954ba22cc736b5a82b20342577af93e27482c7c8c00", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling c-ares-sys v5.0.0
[INFO] [stderr]     Checking c-types v2.0.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking c-ares v7.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.39s
[INFO] running `Command { std: "docker" "inspect" "72e730eccd79068ea68aa954ba22cc736b5a82b20342577af93e27482c7c8c00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72e730eccd79068ea68aa954ba22cc736b5a82b20342577af93e27482c7c8c00", kill_on_drop: false }`
[INFO] [stdout] 72e730eccd79068ea68aa954ba22cc736b5a82b20342577af93e27482c7c8c00