[INFO] cloning repository https://github.com/dwrensha/acronymy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dwrensha/acronymy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwrensha%2Facronymy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwrensha%2Facronymy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10160e0ad25982449ab8ab3d7589816910406714
[INFO] testing dwrensha/acronymy against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdwrensha%2Facronymy" "/workspace/builds/worker-17/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dwrensha/acronymy on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dwrensha/acronymy
[INFO] finished tweaking git repo https://github.com/dwrensha/acronymy
[INFO] tweaked toml for git repo https://github.com/dwrensha/acronymy written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate git repo https://github.com/dwrensha/acronymy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded miow v0.1.5
[INFO] [stderr]   Downloaded futures v0.1.7
[INFO] [stderr]   Downloaded mio v0.6.2
[INFO] [stderr]   Downloaded tokio-core v0.1.3
[INFO] [stderr]   Downloaded nix v0.7.0
[INFO] [stderr]   Downloaded capnp-futures v0.1.0
[INFO] [stderr]   Downloaded mio-uds v0.6.0
[INFO] [stderr]   Downloaded sandstorm v0.0.6
[INFO] [stderr]   Downloaded capnpc v0.8.0
[INFO] [stderr]   Downloaded capnp-rpc v0.8.0
[INFO] [stderr]   Downloaded capnp v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6dc3cdbd9dd9b069f1dca13f16845194d0c3ed956d1178773a07ced7b978a52
[INFO] running `Command { std: "docker" "start" "-a" "f6dc3cdbd9dd9b069f1dca13f16845194d0c3ed956d1178773a07ced7b978a52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6dc3cdbd9dd9b069f1dca13f16845194d0c3ed956d1178773a07ced7b978a52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6dc3cdbd9dd9b069f1dca13f16845194d0c3ed956d1178773a07ced7b978a52", kill_on_drop: false }`
[INFO] [stdout] f6dc3cdbd9dd9b069f1dca13f16845194d0c3ed956d1178773a07ced7b978a52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03ce9e277ff42b0ecb049b269683290f839147a9b016d4021fbe14970852b528
[INFO] running `Command { std: "docker" "start" "-a" "03ce9e277ff42b0ecb049b269683290f839147a9b016d4021fbe14970852b528", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]    Compiling libc v0.2.19
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling lazycell v0.4.0
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.3
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling scoped-tls v0.1.0
[INFO] [stderr]    Compiling libc v0.1.12
[INFO] [stderr]    Compiling unicode-bidi v0.2.4
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]    Compiling futures v0.1.7
[INFO] [stderr]    Compiling sqlite3 v0.1.0 (https://github.com/linuxfood/rustsqlite.git#d586703e)
[INFO] [stderr]    Compiling net2 v0.2.26
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling idna v0.1.0
[INFO] [stderr]    Compiling capnp v0.8.0
[INFO] [stdout] error[E0502]: cannot borrow `*reff` as immutable because it is also borrowed as mutable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/capnp-0.8.0/src/private/layout.rs:643:47
[INFO] [stdout]     |
[INFO] [stdout] 643 |         let ptr = try!(follow_fars(&mut reff, (*reff).target(), &mut segment));
[INFO] [stdout]     |                        ----------- ---------  ^^^^^^^ immutable borrow occurs here
[INFO] [stdout]     |                        |           |
[INFO] [stdout]     |                        |           mutable borrow occurs here
[INFO] [stdout]     |                        mutable borrow later used by call
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling url v1.2.4
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `capnp`
[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] [stdout] error[E0713]: borrow may still be in use when destructor runs
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.2.4/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: build failed
[INFO] running `Command { std: "docker" "inspect" "03ce9e277ff42b0ecb049b269683290f839147a9b016d4021fbe14970852b528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03ce9e277ff42b0ecb049b269683290f839147a9b016d4021fbe14970852b528", kill_on_drop: false }`
[INFO] [stdout] 03ce9e277ff42b0ecb049b269683290f839147a9b016d4021fbe14970852b528
