[INFO] fetching crate dnsresolv 0.1.2...
[INFO] checking dnsresolv-0.1.2 against master#16b569057e4d1591b4bee05f10df34000308dedc for pr-127827
[INFO] extracting crate dnsresolv 0.1.2 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate dnsresolv 0.1.2 on toolchain 16b569057e4d1591b4bee05f10df34000308dedc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16b569057e4d1591b4bee05f10df34000308dedc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dnsresolv 0.1.2
[INFO] finished tweaking crates.io crate dnsresolv 0.1.2
[INFO] tweaked toml for crates.io crate dnsresolv 0.1.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate dnsresolv 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16b569057e4d1591b4bee05f10df34000308dedc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded miniz_oxide v0.4.1
[INFO] [stderr]   Downloaded async-trait v0.1.40
[INFO] [stderr]   Downloaded tokio v0.2.22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+16b569057e4d1591b4bee05f10df34000308dedc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd1943b0bed58b15d201dc49ae6c2095752cbcb478fb4c3c7b775ee90db15e28
[INFO] running `Command { std: "docker" "start" "-a" "dd1943b0bed58b15d201dc49ae6c2095752cbcb478fb4c3c7b775ee90db15e28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd1943b0bed58b15d201dc49ae6c2095752cbcb478fb4c3c7b775ee90db15e28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd1943b0bed58b15d201dc49ae6c2095752cbcb478fb4c3c7b775ee90db15e28", kill_on_drop: false }`
[INFO] [stdout] dd1943b0bed58b15d201dc49ae6c2095752cbcb478fb4c3c7b775ee90db15e28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+16b569057e4d1591b4bee05f10df34000308dedc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4107cfe0ae1d7dada25c663f6ecf3cc08ba91cf1c2533e75b49a95dff313971
[INFO] running `Command { std: "docker" "start" "-a" "f4107cfe0ae1d7dada25c663f6ecf3cc08ba91cf1c2533e75b49a95dff313971", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking stderrlog v0.4.3
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling async-trait v0.1.40
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking trust-dns-proto v0.19.5
[INFO] [stderr]     Checking trust-dns-resolver v0.19.5
[INFO] [stderr]     Checking dnsresolv v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.32s
[INFO] running `Command { std: "docker" "inspect" "f4107cfe0ae1d7dada25c663f6ecf3cc08ba91cf1c2533e75b49a95dff313971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4107cfe0ae1d7dada25c663f6ecf3cc08ba91cf1c2533e75b49a95dff313971", kill_on_drop: false }`
[INFO] [stdout] f4107cfe0ae1d7dada25c663f6ecf3cc08ba91cf1c2533e75b49a95dff313971
[INFO] checking dnsresolv-0.1.2 against try#8a6640bd72b80869b16392026cb3aa8ce8e3f9b7 for pr-127827
[INFO] extracting crate dnsresolv 0.1.2 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate dnsresolv 0.1.2 on toolchain 8a6640bd72b80869b16392026cb3aa8ce8e3f9b7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a6640bd72b80869b16392026cb3aa8ce8e3f9b7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dnsresolv 0.1.2
[INFO] finished tweaking crates.io crate dnsresolv 0.1.2
[INFO] tweaked toml for crates.io crate dnsresolv 0.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate dnsresolv 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a6640bd72b80869b16392026cb3aa8ce8e3f9b7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+8a6640bd72b80869b16392026cb3aa8ce8e3f9b7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66fb407a4667cbd52544efa1edc9ce05849ec02b6ab0e6c9a6ddc56f3658d6ac
[INFO] running `Command { std: "docker" "start" "-a" "66fb407a4667cbd52544efa1edc9ce05849ec02b6ab0e6c9a6ddc56f3658d6ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66fb407a4667cbd52544efa1edc9ce05849ec02b6ab0e6c9a6ddc56f3658d6ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66fb407a4667cbd52544efa1edc9ce05849ec02b6ab0e6c9a6ddc56f3658d6ac", kill_on_drop: false }`
[INFO] [stdout] 66fb407a4667cbd52544efa1edc9ce05849ec02b6ab0e6c9a6ddc56f3658d6ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+8a6640bd72b80869b16392026cb3aa8ce8e3f9b7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74568fc2f9f0365d3ea410db4b93fba419f2a64412c131422a4a51b84a78d700
[INFO] running `Command { std: "docker" "start" "-a" "74568fc2f9f0365d3ea410db4b93fba419f2a64412c131422a4a51b84a78d700", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking stderrlog v0.4.3
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling async-trait v0.1.40
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking trust-dns-proto v0.19.5
[INFO] [stderr]     Checking trust-dns-resolver v0.19.5
[INFO] [stderr]     Checking dnsresolv v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/main.rs:48:19
[INFO] [stdout]    |
[INFO] [stdout] 48 |             match host.parse::<IpAddr>() {
[INFO] [stdout]    |                   ^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/main.rs:48:19
[INFO] [stdout]    |
[INFO] [stdout] 48 |             match host.parse::<IpAddr>() {
[INFO] [stdout]    |                   ^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dnsresolv` (bin "dnsresolv") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `dnsresolv` (bin "dnsresolv" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "74568fc2f9f0365d3ea410db4b93fba419f2a64412c131422a4a51b84a78d700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74568fc2f9f0365d3ea410db4b93fba419f2a64412c131422a4a51b84a78d700", kill_on_drop: false }`
[INFO] [stdout] 74568fc2f9f0365d3ea410db4b93fba419f2a64412c131422a4a51b84a78d700