[INFO] fetching crate updns 0.1.5...
[INFO] checking updns-0.1.5 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate updns 0.1.5 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate updns 0.1.5 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate updns 0.1.5
[INFO] finished tweaking crates.io crate updns 0.1.5
[INFO] tweaked toml for crates.io crate updns 0.1.5 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate updns 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded blake2b_simd v0.5.7
[INFO] [stderr]   Downloaded regex v1.4.4
[INFO] [stderr]   Downloaded logs v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", 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] fe3b4b6058b6d3f09933d3e053515af74486b5725fd0efc30b5443cf1a5b060d
[INFO] running `Command { std: "docker" "start" "-a" "fe3b4b6058b6d3f09933d3e053515af74486b5725fd0efc30b5443cf1a5b060d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe3b4b6058b6d3f09933d3e053515af74486b5725fd0efc30b5443cf1a5b060d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe3b4b6058b6d3f09933d3e053515af74486b5725fd0efc30b5443cf1a5b060d", kill_on_drop: false }`
[INFO] [stdout] fe3b4b6058b6d3f09933d3e053515af74486b5725fd0efc30b5443cf1a5b060d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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] c8a87d069d540f00292602e4afd82e5021918ceda244142b81453c7a160f7cc6
[INFO] running `Command { std: "docker" "start" "-a" "c8a87d069d540f00292602e4afd82e5021918ceda244142b81453c7a160f7cc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking regex v1.4.4
[INFO] [stderr]    Compiling tokio v1.3.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.9
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking logs v0.4.0
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking updns v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.56s
[INFO] running `Command { std: "docker" "inspect" "c8a87d069d540f00292602e4afd82e5021918ceda244142b81453c7a160f7cc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8a87d069d540f00292602e4afd82e5021918ceda244142b81453c7a160f7cc6", kill_on_drop: false }`
[INFO] [stdout] c8a87d069d540f00292602e4afd82e5021918ceda244142b81453c7a160f7cc6