[INFO] updating cached repository https://github.com/tomusdrw/rustfest-2017 [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d10a5d7ddfa7564213657c9a4255a09393b946cb [INFO] checking tomusdrw/rustfest-2017 against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomusdrw%2Frustfest-2017" "work/builds/worker-3/source"` [INFO] [stderr] Cloning into 'work/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tomusdrw/rustfest-2017 on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/tomusdrw/rustfest-2017 [INFO] finished tweaking git repo https://github.com/tomusdrw/rustfest-2017 [INFO] tweaked toml for git repo https://github.com/tomusdrw/rustfest-2017 written to work/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/tomusdrw/rustfest-2017 already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] f24b0feef7b9ad766b99454f34d2fc5e9041ae0059520d7d8b7bba5cdf39ba2a [INFO] running `"docker" "start" "-a" "f24b0feef7b9ad766b99454f34d2fc5e9041ae0059520d7d8b7bba5cdf39ba2a"` [INFO] [stderr] Checking futures v0.1.16 [INFO] [stderr] Checking lazycell v0.5.1 [INFO] [stderr] Checking iovec v0.1.0 [INFO] [stderr] Compiling openssl-sys v0.9.31 [INFO] [stderr] Checking net2 v0.2.31 [INFO] [stderr] Compiling backtrace-sys v0.1.19 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking num_cpus v1.6.2 [INFO] [stderr] Checking rand v0.3.16 [INFO] [stderr] Checking time v0.1.38 [INFO] [stderr] Checking ethereum-types-serialize v0.2.1 [INFO] [stderr] Checking serde_json v1.0.3 [INFO] [stderr] Checking bytes v0.4.5 [INFO] [stderr] Checking mio v0.6.10 [INFO] [stderr] Compiling uint v0.2.1 [INFO] [stderr] Compiling ethereum-types v0.3.2 [INFO] [stderr] Checking url v1.7.0 [INFO] [stderr] Compiling serde_derive_internals v0.16.0 [INFO] [stderr] Checking fixed-hash v0.2.1 [INFO] [stderr] Checking parking_lot_core v0.2.6 [INFO] [stderr] Checking mime v0.3.4 [INFO] [stderr] Checking mio-uds v0.6.4 [INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.7.0/src/form_urlencoded.rs:261:40 [INFO] [stderr] | [INFO] [stderr] 259 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 260 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 261 | 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 openssl v0.9.24 [INFO] [stderr] Checking hyper v0.10.13 [INFO] [stderr] Checking ethbloom v0.5.0 [INFO] [stderr] Checking parking_lot v0.5.5 [INFO] [stderr] Checking tokio-io v0.1.3 [INFO] [stderr] Checking tokio-service v0.1.0 [INFO] [stderr] Checking relay v0.1.1 [INFO] [stderr] Checking futures-cpupool v0.1.6 [INFO] [stderr] Checking tokio-timer v0.1.2 [INFO] [stderr] Checking tokio-core v0.1.9 [INFO] [stderr] Compiling serde_derive v1.0.15 [INFO] [stderr] Checking tokio-proto v0.1.1 [INFO] [stderr] Checking tokio-uds v0.1.5 [INFO] [stderr] Checking native-tls v0.1.5 [INFO] [stderr] Checking tokio-tls v0.1.4 [INFO] [stderr] Checking websocket v0.20.2 [INFO] [stderr] Checking hyper v0.11.7 [INFO] [stderr] Checking jsonrpc-core v8.0.1 [INFO] [stderr] Checking backtrace v0.3.8 [INFO] [stderr] Checking error-chain v0.11.0 [INFO] [stderr] Checking hyper-tls v0.1.3 [INFO] [stderr] Checking ethabi v5.1.1 [INFO] [stderr] Checking web3 v0.3.0 [INFO] [stderr] Checking rustfest-2017 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:28:23 [INFO] [stderr] | [INFO] [stderr] 28 | type Future = Box>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:28:23 [INFO] [stderr] | [INFO] [stderr] 28 | type Future = Box>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 00s [INFO] running `"docker" "inspect" "f24b0feef7b9ad766b99454f34d2fc5e9041ae0059520d7d8b7bba5cdf39ba2a"` [INFO] running `"docker" "rm" "-f" "f24b0feef7b9ad766b99454f34d2fc5e9041ae0059520d7d8b7bba5cdf39ba2a"` [INFO] [stdout] f24b0feef7b9ad766b99454f34d2fc5e9041ae0059520d7d8b7bba5cdf39ba2a