[INFO] fetching crate cueball-dns-resolver 0.3.2...
[INFO] checking cueball-dns-resolver-0.3.2 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate cueball-dns-resolver 0.3.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cueball-dns-resolver 0.3.2 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cueball-dns-resolver 0.3.2
[INFO] finished tweaking crates.io crate cueball-dns-resolver 0.3.2
[INFO] tweaked toml for crates.io crate cueball-dns-resolver 0.3.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded darling_macro v0.8.6
[INFO] [stderr]   Downloaded darling v0.8.6
[INFO] [stderr]   Downloaded derive_state_machine_future v0.2.0
[INFO] [stderr]   Downloaded state_machine_future v0.2.0
[INFO] [stderr]   Downloaded ordermap v0.3.5
[INFO] [stderr]   Downloaded petgraph v0.4.13
[INFO] [stderr]   Downloaded newtype_derive v0.1.6
[INFO] [stderr]   Downloaded darling_core v0.8.6
[INFO] [stderr]   Downloaded rent_to_own v0.1.0
[INFO] [stderr]   Downloaded trust-dns-client v0.19.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d493529bdf78ff351ba26641d68b3cb90ccd61bdcfeaf1f36e12892b63a8f27a
[INFO] running `Command { std: "docker" "start" "-a" "d493529bdf78ff351ba26641d68b3cb90ccd61bdcfeaf1f36e12892b63a8f27a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d493529bdf78ff351ba26641d68b3cb90ccd61bdcfeaf1f36e12892b63a8f27a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d493529bdf78ff351ba26641d68b3cb90ccd61bdcfeaf1f36e12892b63a8f27a", kill_on_drop: false }`
[INFO] [stdout] d493529bdf78ff351ba26641d68b3cb90ccd61bdcfeaf1f36e12892b63a8f27a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e24f5511e86806c414a2b709cc3ec6b973924e1534837eb8b653e0fb74e22c6c
[INFO] running `Command { std: "docker" "start" "-a" "e24f5511e86806c414a2b709cc3ec6b973924e1534837eb8b653e0fb74e22c6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking unicode-normalization v0.1.5
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]     Checking nibble_vec v0.0.4
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking rent_to_own v0.1.0
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking addr2line v0.15.2
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]     Checking slog-scope v4.4.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking radix_trie v0.1.6
[INFO] [stderr]     Checking slog-stdlog v3.0.5
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking backtrace v0.3.60
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking idna v0.2.1
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stdout] error[E0432]: unresolved import `unicode_normalization::is_nfc`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/idna-0.2.1/src/uts46.rs:18:29
[INFO] [stdout]    |
[INFO] [stdout] 18 | use unicode_normalization::{is_nfc, UnicodeNormalization};
[INFO] [stdout]    |                             ^^^^^^ no `is_nfc` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking backoff v0.1.6
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `idna`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e24f5511e86806c414a2b709cc3ec6b973924e1534837eb8b653e0fb74e22c6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e24f5511e86806c414a2b709cc3ec6b973924e1534837eb8b653e0fb74e22c6c", kill_on_drop: false }`
[INFO] [stdout] e24f5511e86806c414a2b709cc3ec6b973924e1534837eb8b653e0fb74e22c6c