[INFO] fetching crate cueball-dns-resolver 0.3.2...
[INFO] checking cueball-dns-resolver-0.3.2 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[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 db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12d56b789f94aa30f9a338c1bb63798d3bc672ea0d6c9439bfa031e7aa0ccd0f
[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" "12d56b789f94aa30f9a338c1bb63798d3bc672ea0d6c9439bfa031e7aa0ccd0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12d56b789f94aa30f9a338c1bb63798d3bc672ea0d6c9439bfa031e7aa0ccd0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12d56b789f94aa30f9a338c1bb63798d3bc672ea0d6c9439bfa031e7aa0ccd0f", kill_on_drop: false }`
[INFO] [stdout] 12d56b789f94aa30f9a338c1bb63798d3bc672ea0d6c9439bfa031e7aa0ccd0f
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e7309a1061739e0ca8fc50a7efb017487de404207ef4c778828f521a8010666
[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" "4e7309a1061739e0ca8fc50a7efb017487de404207ef4c778828f521a8010666", kill_on_drop: false }`
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]     Checking unicode-normalization v0.1.5
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking nibble_vec v0.0.4
[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 crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]     Checking radix_trie v0.1.6
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking object v0.26.2
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking idna v0.2.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking bytes v0.4.12
[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 mio v0.6.23
[INFO] [stderr]    Compiling newtype_derive 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` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4e7309a1061739e0ca8fc50a7efb017487de404207ef4c778828f521a8010666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e7309a1061739e0ca8fc50a7efb017487de404207ef4c778828f521a8010666", kill_on_drop: false }`
[INFO] [stdout] 4e7309a1061739e0ca8fc50a7efb017487de404207ef4c778828f521a8010666