[INFO] fetching crate dnsresolv 0.1.0...
[INFO] checking dnsresolv-0.1.0 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate dnsresolv 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate dnsresolv 0.1.0 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dnsresolv 0.1.0
[INFO] finished tweaking crates.io crate dnsresolv 0.1.0
[INFO] tweaked toml for crates.io crate dnsresolv 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate dnsresolv 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5c9b6c9ea1fccca00dbda29aa42fc7b1897e49ff1e66f2d0e4ee0c479058fac
[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" "c5c9b6c9ea1fccca00dbda29aa42fc7b1897e49ff1e66f2d0e4ee0c479058fac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5c9b6c9ea1fccca00dbda29aa42fc7b1897e49ff1e66f2d0e4ee0c479058fac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5c9b6c9ea1fccca00dbda29aa42fc7b1897e49ff1e66f2d0e4ee0c479058fac", kill_on_drop: false }`
[INFO] [stdout] c5c9b6c9ea1fccca00dbda29aa42fc7b1897e49ff1e66f2d0e4ee0c479058fac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a7c26f434fbf7f75cb8680c1b20767d5a04ddc55e1e8ad3d6c2dc0a68590827
[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" "9a7c26f434fbf7f75cb8680c1b20767d5a04ddc55e1e8ad3d6c2dc0a68590827", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling async-trait v0.1.40
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking stderrlog v0.4.3
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking trust-dns-proto v0.19.5
[INFO] [stderr]     Checking trust-dns-resolver v0.19.5
[INFO] [stderr]     Checking dnsresolv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.31s
[INFO] running `Command { std: "docker" "inspect" "9a7c26f434fbf7f75cb8680c1b20767d5a04ddc55e1e8ad3d6c2dc0a68590827", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a7c26f434fbf7f75cb8680c1b20767d5a04ddc55e1e8ad3d6c2dc0a68590827", kill_on_drop: false }`
[INFO] [stdout] 9a7c26f434fbf7f75cb8680c1b20767d5a04ddc55e1e8ad3d6c2dc0a68590827