[INFO] fetching crate async-std-resolver 0.20.0-alpha.3...
[INFO] checking async-std-resolver-0.20.0-alpha.3 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate async-std-resolver 0.20.0-alpha.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate async-std-resolver 0.20.0-alpha.3 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-std-resolver 0.20.0-alpha.3
[INFO] finished tweaking crates.io crate async-std-resolver 0.20.0-alpha.3
[INFO] tweaked toml for crates.io crate async-std-resolver 0.20.0-alpha.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trust-dns-proto v0.20.0-alpha.3
[INFO] [stderr]   Downloaded trust-dns-resolver v0.20.0-alpha.3
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1169a864551c97a4e02bb791335da31d73e378ef3eb9953a273578fa1dec6ffd
[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" "1169a864551c97a4e02bb791335da31d73e378ef3eb9953a273578fa1dec6ffd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1169a864551c97a4e02bb791335da31d73e378ef3eb9953a273578fa1dec6ffd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1169a864551c97a4e02bb791335da31d73e378ef3eb9953a273578fa1dec6ffd", kill_on_drop: false }`
[INFO] [stdout] 1169a864551c97a4e02bb791335da31d73e378ef3eb9953a273578fa1dec6ffd
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03c9e98b1c703c2f17e338543a4244d6574322a887b8007f975aaa71116153b7
[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" "03c9e98b1c703c2f17e338543a4244d6574322a887b8007f975aaa71116153b7", kill_on_drop: false }`
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking data-encoding v2.3.1
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking async-io v1.2.0
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking async-global-executor v1.4.3
[INFO] [stderr]     Checking async-std v1.7.0
[INFO] [stderr]     Checking trust-dns-proto v0.20.0-alpha.3
[INFO] [stderr]     Checking trust-dns-resolver v0.20.0-alpha.3
[INFO] [stderr]     Checking async-std-resolver v0.20.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.08s
[INFO] running `Command { std: "docker" "inspect" "03c9e98b1c703c2f17e338543a4244d6574322a887b8007f975aaa71116153b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03c9e98b1c703c2f17e338543a4244d6574322a887b8007f975aaa71116153b7", kill_on_drop: false }`
[INFO] [stdout] 03c9e98b1c703c2f17e338543a4244d6574322a887b8007f975aaa71116153b7