[INFO] fetching crate ns-dns-tokio 0.4.0...
[INFO] testing ns-dns-tokio-0.4.0 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate ns-dns-tokio 0.4.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate ns-dns-tokio 0.4.0 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ns-dns-tokio 0.4.0
[INFO] finished tweaking crates.io crate ns-dns-tokio 0.4.0
[INFO] tweaked toml for crates.io crate ns-dns-tokio 0.4.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] a2b38b3ce3ab3e285d6d7f172a6be609e57875bea25b0aecf46ae6f1ca129984
[INFO] running `Command { std: "docker" "start" "-a" "a2b38b3ce3ab3e285d6d7f172a6be609e57875bea25b0aecf46ae6f1ca129984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2b38b3ce3ab3e285d6d7f172a6be609e57875bea25b0aecf46ae6f1ca129984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2b38b3ce3ab3e285d6d7f172a6be609e57875bea25b0aecf46ae6f1ca129984", kill_on_drop: false }`
[INFO] [stdout] a2b38b3ce3ab3e285d6d7f172a6be609e57875bea25b0aecf46ae6f1ca129984
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e7349a51f499cd4943b99355a13f74b41a7e5ea71b86cae2179ab80ed4049f9
[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" "9e7349a51f499cd4943b99355a13f74b41a7e5ea71b86cae2179ab80ed4049f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.36
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling domain v0.2.4
[INFO] [stderr]    Compiling ns-dns-tokio v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:101:66
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn system_config(lp: &Handle) -> Result<DnsResolver, Box<StdError>> {
[INFO] [stdout]     |                                                                  ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.92s
[INFO] running `Command { std: "docker" "inspect" "9e7349a51f499cd4943b99355a13f74b41a7e5ea71b86cae2179ab80ed4049f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e7349a51f499cd4943b99355a13f74b41a7e5ea71b86cae2179ab80ed4049f9", kill_on_drop: false }`
[INFO] [stdout] 9e7349a51f499cd4943b99355a13f74b41a7e5ea71b86cae2179ab80ed4049f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 190746d8f7347261b2a53fa891f7afa54f1d605293797e4e6db4d81b90c64d4a
[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" "190746d8f7347261b2a53fa891f7afa54f1d605293797e4e6db4d81b90c64d4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling ns-dns-tokio v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:101:66
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn system_config(lp: &Handle) -> Result<DnsResolver, Box<StdError>> {
[INFO] [stdout]     |                                                                  ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:101:66
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub fn system_config(lp: &Handle) -> Result<DnsResolver, Box<StdError>> {
[INFO] [stdout]     |                                                                  ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `Command { std: "docker" "inspect" "190746d8f7347261b2a53fa891f7afa54f1d605293797e4e6db4d81b90c64d4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "190746d8f7347261b2a53fa891f7afa54f1d605293797e4e6db4d81b90c64d4a", kill_on_drop: false }`
[INFO] [stdout] 190746d8f7347261b2a53fa891f7afa54f1d605293797e4e6db4d81b90c64d4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e68d984ab13f16d0495df1cf40a85a381c964f48881e653cf2960a8fa9c4e76a
[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" "e68d984ab13f16d0495df1cf40a85a381c964f48881e653cf2960a8fa9c4e76a", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:101:66
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub fn system_config(lp: &Handle) -> Result<DnsResolver, Box<StdError>> {
[INFO] [stderr]     |                                                                  ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:101:66
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub fn system_config(lp: &Handle) -> Result<DnsResolver, Box<StdError>> {
[INFO] [stderr]     |                                                                  ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ns_dns_tokio-f8ab62b3f6f48a25
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests ns_dns_tokio
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e68d984ab13f16d0495df1cf40a85a381c964f48881e653cf2960a8fa9c4e76a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e68d984ab13f16d0495df1cf40a85a381c964f48881e653cf2960a8fa9c4e76a", kill_on_drop: false }`
[INFO] [stdout] e68d984ab13f16d0495df1cf40a85a381c964f48881e653cf2960a8fa9c4e76a