[INFO] fetching crate c-ares-resolver 7.2.0...
[INFO] checking c-ares-resolver-7.2.0 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate c-ares-resolver 7.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate c-ares-resolver 7.2.0 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate c-ares-resolver 7.2.0
[INFO] finished tweaking crates.io crate c-ares-resolver 7.2.0
[INFO] tweaked toml for crates.io crate c-ares-resolver 7.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate c-ares-resolver 7.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded c-ares v7.3.0
[INFO] [stderr]   Downloaded c-ares-sys v5.1.0
[INFO] running `Command { std: "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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc6e8120b3d8f83a9a392eb2c8417d96fdbb009504c85e940233f5d61896f994
[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" "bc6e8120b3d8f83a9a392eb2c8417d96fdbb009504c85e940233f5d61896f994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc6e8120b3d8f83a9a392eb2c8417d96fdbb009504c85e940233f5d61896f994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc6e8120b3d8f83a9a392eb2c8417d96fdbb009504c85e940233f5d61896f994", kill_on_drop: false }`
[INFO] [stdout] bc6e8120b3d8f83a9a392eb2c8417d96fdbb009504c85e940233f5d61896f994
[INFO] running `Command { std: "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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 2b03cfe9ad487f80978133ae8359fbad01dbbb0e9de1c971b231998499a9ac13
[INFO] running `Command { std: "docker" "start" "-a" "2b03cfe9ad487f80978133ae8359fbad01dbbb0e9de1c971b231998499a9ac13", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.65
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking c-types v2.0.2
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]    Compiling c-ares-sys v5.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking c-ares v7.3.0
[INFO] [stderr]     Checking c-ares-resolver v7.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 05s
[INFO] running `Command { std: "docker" "inspect" "2b03cfe9ad487f80978133ae8359fbad01dbbb0e9de1c971b231998499a9ac13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b03cfe9ad487f80978133ae8359fbad01dbbb0e9de1c971b231998499a9ac13", kill_on_drop: false }`
[INFO] [stdout] 2b03cfe9ad487f80978133ae8359fbad01dbbb0e9de1c971b231998499a9ac13