[INFO] cloning repository jonathanmcelroy/rust_progress_server [INFO] running `"git" "clone" "--bare" "git://github.com/jonathanmcelroy/rust_progress_server.git" "work/cache/sources/gh/jonathanmcelroy/rust_progress_server"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/jonathanmcelroy/rust_progress_server'... [INFO] running `"git" "clone" "work/cache/sources/gh/jonathanmcelroy/rust_progress_server" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/jonathanmcelroy/rust_progress_server"` [INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/jonathanmcelroy/rust_progress_server'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/jonathanmcelroy/rust_progress_server" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/jonathanmcelroy/rust_progress_server"` [INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/jonathanmcelroy/rust_progress_server'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 21a981a08d3ee14c12897718b91d6fbb30570682 [INFO] sha for GitHub repo jonathanmcelroy/rust_progress_server: 21a981a08d3ee14c12897718b91d6fbb30570682 [INFO] validating manifest of jonathanmcelroy/rust_progress_server on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of jonathanmcelroy/rust_progress_server on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing jonathanmcelroy/rust_progress_server [INFO] finished frobbing jonathanmcelroy/rust_progress_server [INFO] frobbed toml for jonathanmcelroy/rust_progress_server written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/jonathanmcelroy/rust_progress_server/Cargo.toml [INFO] started frobbing jonathanmcelroy/rust_progress_server [INFO] finished frobbing jonathanmcelroy/rust_progress_server [INFO] frobbed toml for jonathanmcelroy/rust_progress_server written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/jonathanmcelroy/rust_progress_server/Cargo.toml [INFO] crate jonathanmcelroy/rust_progress_server already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking jonathanmcelroy/rust_progress_server against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-7/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/jonathanmcelroy/rust_progress_server:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] c6bcad2fdb07900e9d2a414ae893091e53211bd0ed41f7e6d5c9bf6a184c5fea [INFO] running `"docker" "start" "-a" "c6bcad2fdb07900e9d2a414ae893091e53211bd0ed41f7e6d5c9bf6a184c5fea"` [INFO] [stderr] Checking state v0.2.0 [INFO] [stderr] Checking serde v0.9.12 [INFO] [stderr] Checking lazy_static v0.2.5 [INFO] [stderr] Checking nom v2.2.0 [INFO] [stderr] Compiling rocket v0.2.4 [INFO] [stderr] Compiling rocket_codegen v0.2.4 [INFO] [stderr] Checking rust-ini v0.10.0 [INFO] [stderr] Checking combine v2.3.1 [INFO] [stderr] Compiling idna v0.1.0 [INFO] [stderr] Compiling hyper v0.10.5 [INFO] [stderr] Compiling syn v0.11.9 [INFO] [stderr] Checking regex v0.2.1 [INFO] [stderr] Checking cookie v0.6.1 [INFO] [stderr] Compiling url v1.4.0 [INFO] [stderr] Checking docopt v0.7.0 [INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.4.0/src/form_urlencoded.rs:246:40 [INFO] [stderr] | [INFO] [stderr] 244 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 245 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 246 | fn finish(self) -> &'a mut ::Url { self.url } [INFO] [stderr] | ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait [INFO] [stderr] | | [INFO] [stderr] | returning this value requires that `*self.url` is borrowed for `'a` [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] Compiling serde_codegen_internals v0.14.2 [INFO] [stderr] error[E0432]: unresolved import `std::net::lookup_host` [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket-0.2.4/src/config/config.rs:2:24 [INFO] [stderr] | [INFO] [stderr] 2 | use std::net::{IpAddr, lookup_host}; [INFO] [stderr] | ^^^^^^^^^^^ no `lookup_host` in `net` [INFO] [stderr] [INFO] [stderr] Compiling serde_derive v0.9.12 [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0432`. [INFO] [stderr] error: Could not compile `rocket`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "c6bcad2fdb07900e9d2a414ae893091e53211bd0ed41f7e6d5c9bf6a184c5fea"` [INFO] running `"docker" "rm" "-f" "c6bcad2fdb07900e9d2a414ae893091e53211bd0ed41f7e6d5c9bf6a184c5fea"` [INFO] [stdout] c6bcad2fdb07900e9d2a414ae893091e53211bd0ed41f7e6d5c9bf6a184c5fea