[INFO] cloning repository https://github.com/woaproject/poa-bridge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/woaproject/poa-bridge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoaproject%2Fpoa-bridge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoaproject%2Fpoa-bridge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d5e7248a09dfc742744e301265480b569997dfe5
[INFO] testing woaproject/poa-bridge against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoaproject%2Fpoa-bridge" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/woaproject/poa-bridge on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/woaproject/poa-bridge
[INFO] finished tweaking git repo https://github.com/woaproject/poa-bridge
[INFO] tweaked toml for git repo https://github.com/woaproject/poa-bridge written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/woaproject/poa-bridge already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `http://github.com/paritytech/parity`
[INFO] [stderr]     Updating git submodule `https://github.com/ethereum/tests.git`
[INFO] [stderr]     Updating git submodule `https://github.com/paritytech/wasm-tests`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/bn`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/rust-snappy`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/hyper`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/jsonrpc.git`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/rust-secp256k1`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/hidapi-rs`
[INFO] [stderr]     Updating git submodule `https://github.com/signal11/hidapi.git`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/libusb-rs`
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[INFO] [stderr]     Updating git repository `https://github.com/paritytech/rust-rocksdb`
[INFO] [stderr]     Updating git repository `https://github.com/tailhook/rotor`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/libusb-sys`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05c58d23af40a1338e732ae7053046b4431331fcb9efbcf8678f494148ae2d62
[INFO] running `Command { std: "docker" "start" "-a" "05c58d23af40a1338e732ae7053046b4431331fcb9efbcf8678f494148ae2d62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05c58d23af40a1338e732ae7053046b4431331fcb9efbcf8678f494148ae2d62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05c58d23af40a1338e732ae7053046b4431331fcb9efbcf8678f494148ae2d62", kill_on_drop: false }`
[INFO] [stdout] 05c58d23af40a1338e732ae7053046b4431331fcb9efbcf8678f494148ae2d62
[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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6489249bad01f58894003b773e9572b547c2b952237fbdb2233bc345c24561b
[INFO] running `Command { std: "docker" "start" "-a" "c6489249bad01f58894003b773e9572b547c2b952237fbdb2233bc345c24561b", 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] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling nodrop v0.1.12
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[INFO] [stderr]    Compiling rustc-hex v1.0.0
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[INFO] [stderr]    Compiling ucd-util v0.1.1
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[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling bigint v4.3.0
[INFO] [stderr]    Compiling slab v0.3.0
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[INFO] [stderr]    Compiling spmc v0.2.2
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[INFO] [stderr]    Compiling macros v0.1.0 (http://github.com/paritytech/parity?rev=991f0ca#991f0cac)
[INFO] [stderr]    Compiling ethabi-contract v5.1.0
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[INFO] [stderr]    Compiling table v0.1.0 (http://github.com/paritytech/parity?rev=991f0ca#991f0cac)
[INFO] [stderr]    Compiling stop-guard v0.1.0 (http://github.com/paritytech/parity?rev=991f0ca#991f0cac)
[INFO] [stderr]    Compiling difference v1.0.0
[INFO] [stderr]    Compiling using_queue v0.1.0 (http://github.com/paritytech/parity?rev=991f0ca#991f0cac)
[INFO] [stderr]    Compiling bridge-cli v0.3.0 (/opt/rustwide/workdir/cli)
[INFO] [stderr]    Compiling version v3.0.0
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
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[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling isatty v0.1.7
[INFO] [stderr]    Compiling atty v0.2.9
[INFO] [stderr]    Compiling memmap v0.6.2
[INFO] [stderr]    Compiling proc-macro2 v0.3.7
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling crossbeam-utils v0.3.2
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling regex-syntax v0.5.5
[INFO] [stderr]    Compiling textwrap v0.9.0
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[INFO] [stderr]    Compiling primal-bit v0.2.4
[INFO] [stderr]    Compiling nix v0.9.0
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling pulldown-cmark v0.0.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling base64 v0.9.1
[INFO] [stderr]    Compiling base64 v0.5.2
[INFO] [stderr]    Compiling bit-set v0.4.0
[INFO] [stderr]    Compiling lru-cache v0.1.1
[INFO] [stderr]    Compiling app_dirs v1.2.1
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling ethcore-bloom-journal v0.1.0 (http://github.com/paritytech/parity?rev=991f0ca#991f0cac)
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling pretty_assertions v0.2.1
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling primal-sieve v0.2.8
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling tokio-executor v0.1.2
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling want v0.0.4
[INFO] [stderr]    Compiling relay v0.1.1
[INFO] [stderr]    Compiling futures-timer v0.1.1
[INFO] [stderr]    Compiling tokio-timer v0.1.2
[INFO] [stderr]    Compiling url v1.7.0
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.1
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling rustc_version v0.2.2
[INFO] [stderr]    Compiling primal-check v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.35
[INFO] [stderr]    Compiling tiny-keccak v1.4.1
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling parking_lot_core v0.2.13
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling bn v0.4.4 (https://github.com/paritytech/bn#786c0d56)
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling stats v0.1.0 (http://github.com/paritytech/parity?rev=991f0ca#991f0cac)
[INFO] [stderr]    Compiling trace-time v0.1.0 (http://github.com/paritytech/parity?rev=991f0ca#991f0cac)
[INFO] [stderr] error: could not compile `rustc-serialize`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name rustc_serialize /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.24/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=efb9cfa92b7c8c8d -C extra-filename=-efb9cfa92b7c8c8d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0713]: borrow may still be in use when destructor runs
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.7.0/src/form_urlencoded.rs:261:40
[INFO] [stdout]     |
[INFO] [stdout] 259 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 260 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 261 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stdout]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stdout]     |                                        |
[INFO] [stdout]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0713`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c6489249bad01f58894003b773e9572b547c2b952237fbdb2233bc345c24561b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6489249bad01f58894003b773e9572b547c2b952237fbdb2233bc345c24561b", kill_on_drop: false }`
[INFO] [stdout] c6489249bad01f58894003b773e9572b547c2b952237fbdb2233bc345c24561b