[INFO] updating cached repository https://github.com/ward/rust-chronorace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e1e5f7eb3c12bab2f2d313d759fdee3b76f7a354
[INFO] testing ward/rust-chronorace against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fward%2Frust-chronorace" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ward/rust-chronorace on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ward/rust-chronorace
[INFO] finished tweaking git repo https://github.com/ward/rust-chronorace
[INFO] tweaked toml for git repo https://github.com/ward/rust-chronorace written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/ward/rust-chronorace already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0f28dba9a663f2b5f9f5afdee6faa78e709dc706302503a0932c6214db7a45c
[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" "f0f28dba9a663f2b5f9f5afdee6faa78e709dc706302503a0932c6214db7a45c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0f28dba9a663f2b5f9f5afdee6faa78e709dc706302503a0932c6214db7a45c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0f28dba9a663f2b5f9f5afdee6faa78e709dc706302503a0932c6214db7a45c", kill_on_drop: false }`
[INFO] [stdout] f0f28dba9a663f2b5f9f5afdee6faa78e709dc706302503a0932c6214db7a45c
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35e55095bb102128e5e050bd8f35bbb10c4d293079ea40e4627d71fa4fd89395
[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" "35e55095bb102128e5e050bd8f35bbb10c4d293079ea40e4627d71fa4fd89395", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling futures v0.1.24
[INFO] [stderr]    Compiling byteorder v1.2.6
[INFO] [stderr]    Compiling slab v0.4.1
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling lazycell v1.2.0
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling matches v0.1.4
[INFO] [stderr]    Compiling openssl v0.10.12
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling indexmap v1.0.1
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling string v0.1.1
[INFO] [stderr]    Compiling native-tls v0.2.1
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling unicode-normalization v0.1.2
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling httparse v1.2.0
[INFO] [stderr]    Compiling safemem v0.3.0
[INFO] [stderr]    Compiling dtoa v0.4.3
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling encoding_rs v0.8.8
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling unicode-bidi v0.2.3
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling lock_api v0.1.4
[INFO] [stderr]    Compiling smallvec v0.6.5
[INFO] [stderr]    Compiling bytes v0.4.10
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling libflate v0.1.18
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling idna v0.1.0
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]    Compiling mime v0.3.9
[INFO] [stderr]    Compiling http v0.1.13
[INFO] [stderr]    Compiling crossbeam-deque v0.6.1
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]    Compiling phf v0.7.23
[INFO] [stderr]    Compiling tokio-executor v0.1.5
[INFO] [stderr]    Compiling tokio-io v0.1.9
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling openssl-sys v0.9.36
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]    Compiling uuid v0.7.1
[INFO] [stderr]    Compiling tokio-threadpool v0.1.7
[INFO] [stderr]    Compiling tokio-timer v0.2.7
[INFO] [stderr]    Compiling tokio-current-thread v0.1.3
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling url v1.2.3
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling tokio-reactor v0.1.6
[INFO] [stderr]    Compiling tokio-fs v0.1.3
[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-1.2.3/src/form_urlencoded.rs:246:40
[INFO] [stdout]     |
[INFO] [stdout] 244 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stdout]     |      -- lifetime `'a` defined here
[INFO] [stdout] 245 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stdout] 246 |     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: could not compile `url`.
[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" "35e55095bb102128e5e050bd8f35bbb10c4d293079ea40e4627d71fa4fd89395", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35e55095bb102128e5e050bd8f35bbb10c4d293079ea40e4627d71fa4fd89395", kill_on_drop: false }`
[INFO] [stdout] 35e55095bb102128e5e050bd8f35bbb10c4d293079ea40e4627d71fa4fd89395