[INFO] fetching crate snail 0.4.0...
[INFO] documenting snail-0.4.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate snail 0.4.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate snail 0.4.0 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate snail 0.4.0
[INFO] finished tweaking crates.io crate snail 0.4.0
[INFO] tweaked toml for crates.io crate snail 0.4.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1132c6dcae7c14c20f766196678dc2802a1f7b26b7fd6a81c502fad84f7de552
[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" "1132c6dcae7c14c20f766196678dc2802a1f7b26b7fd6a81c502fad84f7de552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1132c6dcae7c14c20f766196678dc2802a1f7b26b7fd6a81c502fad84f7de552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1132c6dcae7c14c20f766196678dc2802a1f7b26b7fd6a81c502fad84f7de552", kill_on_drop: false }`
[INFO] [stdout] 1132c6dcae7c14c20f766196678dc2802a1f7b26b7fd6a81c502fad84f7de552
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] 8ddc58f7c9c6488f43e6658486e7efac391dc383b76767b10c0d603921dde335
[INFO] running `Command { std: "docker" "start" "-a" "8ddc58f7c9c6488f43e6658486e7efac391dc383b76767b10c0d603921dde335", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling data-encoding v2.3.0
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]    Compiling seccomp-sys v0.1.3
[INFO] [stderr]     Checking nibble_vec v0.0.4
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking reduce v0.1.3
[INFO] [stderr]     Checking mrsc v0.3.1
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling libsqlite3-sys v0.10.0
[INFO] [stderr]    Compiling lua52-sys v0.1.2
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking users v0.7.0
[INFO] [stderr]     Checking nix v0.11.1
[INFO] [stderr]     Checking dhcp4r v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking caps v0.2.0
[INFO] [stderr]     Checking radix_trie v0.1.6
[INFO] [stderr]     Checking string_cache v0.7.5
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]    Compiling selectors v0.21.0
[INFO] [stderr]    Compiling cssparser-macros v0.3.6
[INFO] [stderr]     Checking trust-dns-proto v0.6.3
[INFO] [stderr]     Checking trust-dns-proto v0.5.0
[INFO] [stderr]     Checking syscallz v0.7.0
[INFO] [stderr]     Checking cssparser v0.25.9
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.8
[INFO] [stderr]    Compiling markup5ever v0.8.1
[INFO] [stderr]     Checking trust-dns-resolver v0.10.3
[INFO] [stderr]     Checking sct v0.4.0
[INFO] [stderr]     Checking webpki v0.18.1
[INFO] [stderr]     Checking hlua-badtouch v0.4.2
[INFO] [stderr]     Checking data-encoding-macro v0.1.8
[INFO] [stdout] error[E0463]: can't find crate for `trust_dns_https`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/trust-dns-resolver-0.10.3/src/lib.rs:191:1
[INFO] [stdout]     |
[INFO] [stdout] 191 | extern crate trust_dns_https;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ct-logs v0.4.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `trust-dns-resolver`.
[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" "8ddc58f7c9c6488f43e6658486e7efac391dc383b76767b10c0d603921dde335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ddc58f7c9c6488f43e6658486e7efac391dc383b76767b10c0d603921dde335", kill_on_drop: false }`
[INFO] [stdout] 8ddc58f7c9c6488f43e6658486e7efac391dc383b76767b10c0d603921dde335