[INFO] fetching crate cueball-dns-resolver 0.3.2...
[INFO] checking cueball-dns-resolver-0.3.2 against beta for pr-78714
[INFO] extracting crate cueball-dns-resolver 0.3.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate cueball-dns-resolver 0.3.2 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 cueball-dns-resolver 0.3.2
[INFO] finished tweaking crates.io crate cueball-dns-resolver 0.3.2
[INFO] tweaked toml for crates.io crate cueball-dns-resolver 0.3.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0510a3bd8b55a8770e6c91f517853ed9e521da6dfa894258bc0a4aa967fb871
[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" "f0510a3bd8b55a8770e6c91f517853ed9e521da6dfa894258bc0a4aa967fb871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0510a3bd8b55a8770e6c91f517853ed9e521da6dfa894258bc0a4aa967fb871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0510a3bd8b55a8770e6c91f517853ed9e521da6dfa894258bc0a4aa967fb871", kill_on_drop: false }`
[INFO] [stdout] f0510a3bd8b55a8770e6c91f517853ed9e521da6dfa894258bc0a4aa967fb871
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28f0fd7f05589e275e21016dbdf2333a21cbe6ba3d08b9c5bde309a00469a3fa
[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" "28f0fd7f05589e275e21016dbdf2333a21cbe6ba3d08b9c5bde309a00469a3fa", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-normalization v0.1.5
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]     Checking nibble_vec v0.0.4
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking rent_to_own v0.1.0
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking instant v0.1.8
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling darling_core v0.8.6
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]     Checking backoff v0.1.6
[INFO] [stderr]     Checking tokio v0.2.23
[INFO] [stderr]     Checking radix_trie v0.1.6
[INFO] [stderr]     Checking timer v0.2.0
[INFO] [stderr]     Checking slog-stdlog v3.0.5
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking trust-dns-proto v0.19.5
[INFO] [stderr]    Compiling darling_macro v0.8.6
[INFO] [stderr]     Checking cueball v0.3.5
[INFO] [stderr]    Compiling darling v0.8.6
[INFO] [stderr]    Compiling derive_state_machine_future v0.2.0
[INFO] [stderr]     Checking trust-dns-client v0.19.5
[INFO] [stderr]     Checking state_machine_future v0.2.0
[INFO] [stderr]     Checking cueball-dns-resolver v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.23s
[INFO] running `Command { std: "docker" "inspect" "28f0fd7f05589e275e21016dbdf2333a21cbe6ba3d08b9c5bde309a00469a3fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28f0fd7f05589e275e21016dbdf2333a21cbe6ba3d08b9c5bde309a00469a3fa", kill_on_drop: false }`
[INFO] [stdout] 28f0fd7f05589e275e21016dbdf2333a21cbe6ba3d08b9c5bde309a00469a3fa