[INFO] fetching crate c-ares 7.5.2...
[INFO] checking c-ares-7.5.2 against master#7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e for pr-102091
[INFO] extracting crate c-ares 7.5.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate c-ares 7.5.2 on toolchain 7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate c-ares 7.5.2
[INFO] finished tweaking crates.io crate c-ares 7.5.2
[INFO] tweaked toml for crates.io crate c-ares 7.5.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate c-ares 7.5.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memoffset v0.6.4
[INFO] [stderr]   Downloaded metadeps v1.1.2
[INFO] [stderr]   Downloaded cmake v0.1.46
[INFO] [stderr]   Downloaded libc v0.2.105
[INFO] [stderr]   Downloaded c-types v2.0.2
[INFO] [stderr]   Downloaded nix v0.23.0
[INFO] [stderr]   Downloaded c-ares-sys v5.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:06bd2dc561ac9b9120e7d8112cca06cd3b1bded0ddb8515a4f6a39439d56c944" "/opt/rustwide/cargo-home/bin/cargo" "+7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b82ab86f523384add0cf6af5d6b093f09ad74475b6ea56a93a867706a578cded
[INFO] running `Command { std: "docker" "start" "-a" "b82ab86f523384add0cf6af5d6b093f09ad74475b6ea56a93a867706a578cded", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b82ab86f523384add0cf6af5d6b093f09ad74475b6ea56a93a867706a578cded", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b82ab86f523384add0cf6af5d6b093f09ad74475b6ea56a93a867706a578cded", kill_on_drop: false }`
[INFO] [stdout] b82ab86f523384add0cf6af5d6b093f09ad74475b6ea56a93a867706a578cded
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:06bd2dc561ac9b9120e7d8112cca06cd3b1bded0ddb8515a4f6a39439d56c944" "/opt/rustwide/cargo-home/bin/cargo" "+7a8636c843bd24038fe1d1f69b4a8e4b0ea55d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 912184e35ceb63a028c075d6151b0c5c46ffa50ca53c27abdc562c21ae20351a
[INFO] running `Command { std: "docker" "start" "-a" "912184e35ceb63a028c075d6151b0c5c46ffa50ca53c27abdc562c21ae20351a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.105
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling c-ares-sys v5.3.3
[INFO] [stderr]     Checking c-types v2.0.2
[INFO] [stderr]     Checking nix v0.23.0
[INFO] [stderr]     Checking c-ares v7.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 13s
[INFO] running `Command { std: "docker" "inspect" "912184e35ceb63a028c075d6151b0c5c46ffa50ca53c27abdc562c21ae20351a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "912184e35ceb63a028c075d6151b0c5c46ffa50ca53c27abdc562c21ae20351a", kill_on_drop: false }`
[INFO] [stdout] 912184e35ceb63a028c075d6151b0c5c46ffa50ca53c27abdc562c21ae20351a