[INFO] cloning repository https://github.com/hwright/prom-eagle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hwright/prom-eagle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhwright%2Fprom-eagle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhwright%2Fprom-eagle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d57bc2b8710b545467074e258db923ea2fa51740
[INFO] testing hwright/prom-eagle against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhwright%2Fprom-eagle" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hwright/prom-eagle on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hwright/prom-eagle
[INFO] finished tweaking git repo https://github.com/hwright/prom-eagle
[INFO] tweaked toml for git repo https://github.com/hwright/prom-eagle written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/hwright/prom-eagle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded linked-hash-map v0.5.1
[INFO] [stderr]   Downloaded dtoa v0.4.2
[INFO] [stderr]   Downloaded serde_json v1.0.9
[INFO] [stderr]   Downloaded slab v0.4.0
[INFO] [stderr]   Downloaded tempdir v0.3.6
[INFO] [stderr]   Downloaded lazycell v0.6.0
[INFO] [stderr]   Downloaded schannel v0.1.10
[INFO] [stderr]   Downloaded security-framework-sys v0.1.16
[INFO] [stderr]   Downloaded mio v0.6.13
[INFO] [stderr]   Downloaded crc v1.7.0
[INFO] [stderr]   Downloaded relay v0.1.1
[INFO] [stderr]   Downloaded phf v0.7.21
[INFO] [stderr]   Downloaded version_check v0.1.3
[INFO] [stderr]   Downloaded unicase v2.1.0
[INFO] [stderr]   Downloaded backtrace v0.3.4
[INFO] [stderr]   Downloaded vcpkg v0.2.2
[INFO] [stderr]   Downloaded spin v0.4.6
[INFO] [stderr]   Downloaded hyper v0.11.19
[INFO] [stderr]   Downloaded mime v0.3.5
[INFO] [stderr]   Downloaded env_logger v0.5.3
[INFO] [stderr]   Downloaded regex-syntax v0.4.2
[INFO] [stderr]   Downloaded phf_codegen v0.7.21
[INFO] [stderr]   Downloaded mime_guess v2.0.0-alpha.4
[INFO] [stderr]   Downloaded tokio-tls v0.1.4
[INFO] [stderr]   Downloaded base64 v0.9.0
[INFO] [stderr]   Downloaded reqwest v0.8.5
[INFO] [stderr]   Downloaded serde_derive v1.0.27
[INFO] [stderr]   Downloaded remove_dir_all v0.3.0
[INFO] [stderr]   Downloaded native-tls v0.1.5
[INFO] [stderr]   Downloaded security-framework v0.1.16
[INFO] [stderr]   Downloaded cc v1.0.4
[INFO] [stderr]   Downloaded libflate v0.1.14
[INFO] [stderr]   Downloaded openssl v0.9.24
[INFO] [stderr]   Downloaded openssl-sys v0.9.26
[INFO] [stderr]   Downloaded url v1.7.0
[INFO] [stderr]   Downloaded serde_derive_internals v0.19.0
[INFO] [stderr]   Downloaded yaml-rust v0.4.0
[INFO] [stderr]   Downloaded num-traits v0.1.41
[INFO] [stderr]   Downloaded futures v0.1.18
[INFO] [stderr]   Downloaded log v0.3.9
[INFO] [stderr]   Downloaded net2 v0.2.31
[INFO] [stderr]   Downloaded quick-error v0.2.2
[INFO] [stderr]   Downloaded serde_yaml v0.7.3
[INFO] [stderr]   Downloaded uuid v0.5.1
[INFO] [stderr]   Downloaded phf_shared v0.7.21
[INFO] [stderr]   Downloaded siphasher v0.2.2
[INFO] [stderr]   Downloaded byteorder v1.2.1
[INFO] [stderr]   Downloaded bytes v0.4.6
[INFO] [stderr]   Downloaded log v0.4.0
[INFO] [stderr]   Downloaded serde v1.0.26
[INFO] [stderr]   Downloaded adler32 v1.0.2
[INFO] [stderr]   Downloaded fuchsia-zircon-sys v0.3.2
[INFO] [stderr]   Downloaded rustc-demangle v0.1.6
[INFO] [stderr]   Downloaded redox_syscall v0.1.33
[INFO] [stderr]   Downloaded atty v0.2.6
[INFO] [stderr]   Downloaded error-chain v0.11.0
[INFO] [stderr]   Downloaded num-traits v0.2.0
[INFO] [stderr]   Downloaded wincolor v0.1.6
[INFO] [stderr]   Downloaded ansi_term v0.10.2
[INFO] [stderr]   Downloaded phf_generator v0.7.21
[INFO] [stderr]   Downloaded regex v0.2.6
[INFO] [stderr]   Downloaded num_cpus v1.7.0
[INFO] [stderr]   Downloaded idna v0.1.4
[INFO] [stderr]   Downloaded backtrace-sys v0.1.16
[INFO] [stderr]   Downloaded winapi v0.3.2
[INFO] [stderr]   Downloaded tokio-core v0.1.12
[INFO] [stderr]   Downloaded libc v0.2.34
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.3.2
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.3.2
[INFO] [stderr]   Downloaded build_const v0.2.0
[INFO] [stderr]   Downloaded termcolor v0.3.5
[INFO] [stderr]   Downloaded encoding_rs v0.7.2
[INFO] [stderr]   Downloaded tokio-io v0.1.5
[INFO] [stderr]   Downloaded fuchsia-zircon v0.3.2
[INFO] [stderr]   Downloaded prometheus v0.3.6
[INFO] [stderr]   Downloaded time v0.1.38
[INFO] [stderr]   Downloaded clap v2.30.0
[INFO] [stderr]   Downloaded protobuf v1.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97f57e81c0a1e99b20c9d5cea0e8f65d6642137c42a026ec459df99abf9c07c7
[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" "97f57e81c0a1e99b20c9d5cea0e8f65d6642137c42a026ec459df99abf9c07c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97f57e81c0a1e99b20c9d5cea0e8f65d6642137c42a026ec459df99abf9c07c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97f57e81c0a1e99b20c9d5cea0e8f65d6642137c42a026ec459df99abf9c07c7", kill_on_drop: false }`
[INFO] [stdout] 97f57e81c0a1e99b20c9d5cea0e8f65d6642137c42a026ec459df99abf9c07c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ff88a5cf7dd2b3f14e0937cd82d00f777c4e2bdd85d4a58c203a4d823fe7510
[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" "3ff88a5cf7dd2b3f14e0937cd82d00f777c4e2bdd85d4a58c203a4d823fe7510", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.34
[INFO] [stderr]    Compiling num-traits v0.2.0
[INFO] [stderr]    Compiling serde v1.0.26
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.6
[INFO] [stderr]    Compiling protobuf v1.4.3
[INFO] [stderr]    Compiling termcolor v0.3.5
[INFO] [stderr]    Compiling quick-error v0.2.2
[INFO] [stderr]    Compiling spin v0.4.6
[INFO] [stderr]    Compiling log v0.4.0
[INFO] [stderr]    Compiling openssl-sys v0.9.26
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling url v1.7.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.31
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling num_cpus v1.7.0
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[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]    Compiling clap v2.30.0
[INFO] [stderr] error: could not compile `url` 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" "3ff88a5cf7dd2b3f14e0937cd82d00f777c4e2bdd85d4a58c203a4d823fe7510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ff88a5cf7dd2b3f14e0937cd82d00f777c4e2bdd85d4a58c203a4d823fe7510", kill_on_drop: false }`
[INFO] [stdout] 3ff88a5cf7dd2b3f14e0937cd82d00f777c4e2bdd85d4a58c203a4d823fe7510