[INFO] fetching crate doh-dns 0.2.0...
[INFO] checking doh-dns-0.2.0 against master#6d69caba110c0c2fb90180df1cbc8be5033b91d4 for pr-69530
[INFO] extracting crate doh-dns 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate doh-dns 0.2.0 on toolchain 6d69caba110c0c2fb90180df1cbc8be5033b91d4
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate doh-dns 0.2.0
[INFO] finished tweaking crates.io crate doh-dns 0.2.0
[INFO] tweaked toml for crates.io crate doh-dns 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 248601fb422e54d00bbd1c33ff9e9925d1fc443e3b7e0b4ff51fe68cc600fca8
[INFO] running `"docker" "start" "-a" "248601fb422e54d00bbd1c33ff9e9925d1fc443e3b7e0b4ff51fe68cc600fca8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling paste-impl v0.1.12
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling num-derive v0.3.0
[INFO] [stderr]    Compiling async-trait v0.1.30
[INFO] [stderr]     Checking paste v0.1.12
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking tokio v0.2.20
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.2.4
[INFO] [stderr]     Checking hyper v0.13.5
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking doh-dns v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'hyper::client::Builder::keep_alive': name is confusing, to disable the connection pool, call pool_max_idle_per_host(0)
[INFO] [stderr]   --> src/client.rs:45:39
[INFO] [stderr]    |
[INFO] [stderr] 45 |             client: Client::builder().keep_alive(true).build(connector),
[INFO] [stderr]    |                                       ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'hyper::client::Builder::keep_alive': name is confusing, to disable the connection pool, call pool_max_idle_per_host(0)
[INFO] [stderr]   --> src/client.rs:45:39
[INFO] [stderr]    |
[INFO] [stderr] 45 |             client: Client::builder().keep_alive(true).build(connector),
[INFO] [stderr]    |                                       ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.91s
[INFO] running `"docker" "inspect" "248601fb422e54d00bbd1c33ff9e9925d1fc443e3b7e0b4ff51fe68cc600fca8"`
[INFO] running `"docker" "rm" "-f" "248601fb422e54d00bbd1c33ff9e9925d1fc443e3b7e0b4ff51fe68cc600fca8"`
[INFO] [stdout] 248601fb422e54d00bbd1c33ff9e9925d1fc443e3b7e0b4ff51fe68cc600fca8