[INFO] fetching crate updns 0.1.3...
[INFO] checking updns-0.1.3 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate updns 0.1.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate updns 0.1.3 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 updns 0.1.3
[INFO] finished tweaking crates.io crate updns 0.1.3
[INFO] tweaked toml for crates.io crate updns 0.1.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate updns 0.1.3 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 ace v0.2.0
[INFO] [stderr]   Downloaded cc v1.0.40
[INFO] [stderr]   Downloaded tokio v0.2.16
[INFO] [stderr]   Downloaded blake2b_simd v0.5.7
[INFO] [stderr]   Downloaded bytes v0.5.1
[INFO] [stderr]   Downloaded mio v0.6.20
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d24c1904ad9b82da2b89ab0675fe048e88bb0b72c7ad6f4f180a8250de3e7e5
[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" "9d24c1904ad9b82da2b89ab0675fe048e88bb0b72c7ad6f4f180a8250de3e7e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d24c1904ad9b82da2b89ab0675fe048e88bb0b72c7ad6f4f180a8250de3e7e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d24c1904ad9b82da2b89ab0675fe048e88bb0b72c7ad6f4f180a8250de3e7e5", kill_on_drop: false }`
[INFO] [stdout] 9d24c1904ad9b82da2b89ab0675fe048e88bb0b72c7ad6f4f180a8250de3e7e5
[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: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] 11cefe4d67967631e40d1f24cfa081d3a91698e76e484195ef439357b8e39e9d
[INFO] running `Command { std: "docker" "start" "-a" "11cefe4d67967631e40d1f24cfa081d3a91698e76e484195ef439357b8e39e9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking bytes v0.5.1
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking pin-project-lite v0.1.1
[INFO] [stderr]     Checking ace v0.2.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking mio v0.6.20
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking tokio v0.2.16
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking updns v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.36s
[INFO] running `Command { std: "docker" "inspect" "11cefe4d67967631e40d1f24cfa081d3a91698e76e484195ef439357b8e39e9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11cefe4d67967631e40d1f24cfa081d3a91698e76e484195ef439357b8e39e9d", kill_on_drop: false }`
[INFO] [stdout] 11cefe4d67967631e40d1f24cfa081d3a91698e76e484195ef439357b8e39e9d