[INFO] cloning repository https://github.com/m-decoster/iron-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/m-decoster/iron-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-decoster%2Firon-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-decoster%2Firon-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6eac6369bcfadaf05abe6780a46271cd462a992b
[INFO] testing m-decoster/iron-example against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-decoster%2Firon-example" "/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/m-decoster/iron-example on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/m-decoster/iron-example
[INFO] finished tweaking git repo https://github.com/m-decoster/iron-example
[INFO] tweaked toml for git repo https://github.com/m-decoster/iron-example written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/m-decoster/iron-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thread-id v2.0.0
[INFO] [stderr]   Downloaded router v0.4.0
[INFO] [stderr]   Downloaded memchr v0.1.11
[INFO] [stderr]   Downloaded kernel32-sys v0.2.2
[INFO] [stderr]   Downloaded chrono v0.2.25
[INFO] [stderr]   Downloaded libc v0.2.17
[INFO] [stderr]   Downloaded unicase v1.4.0
[INFO] [stderr]   Downloaded mime v0.2.2
[INFO] [stderr]   Downloaded conduit-mime-types v0.7.3
[INFO] [stderr]   Downloaded thread_local v0.2.7
[INFO] [stderr]   Downloaded aho-corasick v0.5.3
[INFO] [stderr]   Downloaded language-tags v0.2.2
[INFO] [stderr]   Downloaded num_cpus v1.1.0
[INFO] [stderr]   Downloaded num-iter v0.1.32
[INFO] [stderr]   Downloaded num-integer v0.1.32
[INFO] [stderr]   Downloaded num-traits v0.1.36
[INFO] [stderr]   Downloaded semver v0.1.20
[INFO] [stderr]   Downloaded num v0.1.36
[INFO] [stderr]   Downloaded route-recognizer v0.1.11
[INFO] [stderr]   Downloaded plugin v0.2.6
[INFO] [stderr]   Downloaded typeable v0.1.2
[INFO] [stderr]   Downloaded traitobject v0.0.3
[INFO] [stderr]   Downloaded iron v0.4.0
[INFO] [stderr]   Downloaded unsafe-any v0.4.1
[INFO] [stderr]   Downloaded uuid v0.2.3
[INFO] [stderr]   Downloaded winapi v0.2.8
[INFO] [stderr]   Downloaded lazy_static v0.1.16
[INFO] [stderr]   Downloaded unicode-bidi v0.2.3
[INFO] [stderr]   Downloaded logger v0.2.0
[INFO] [stderr]   Downloaded url v1.2.3
[INFO] [stderr]   Downloaded typemap v0.3.3
[INFO] [stderr]   Downloaded unicode-normalization v0.1.2
[INFO] [stderr]   Downloaded hyper v0.9.12
[INFO] [stderr]   Downloaded time v0.1.35
[INFO] [stderr]   Downloaded rand v0.3.14
[INFO] [stderr]   Downloaded httparse v1.2.0
[INFO] [stderr]   Downloaded utf8-ranges v0.1.3
[INFO] [stderr]   Downloaded regex v0.1.80
[INFO] [stderr]   Downloaded env_logger v0.3.5
[INFO] [stderr]   Downloaded error v0.1.9
[INFO] [stderr]   Downloaded cookie v0.2.5
[INFO] [stderr]   Downloaded matches v0.1.4
[INFO] [stderr]   Downloaded hpack v0.2.0
[INFO] [stderr]   Downloaded solicit v0.4.4
[INFO] [stderr]   Downloaded traitobject v0.0.1
[INFO] [stderr]   Downloaded rustc_version v0.1.7
[INFO] [stderr]   Downloaded log v0.3.6
[INFO] [stderr]   Downloaded modifier v0.1.0
[INFO] [stderr]   Downloaded num_cpus v0.2.13
[INFO] [stderr]   Downloaded idna v0.1.0
[INFO] [stderr]   Downloaded rustc-serialize v0.3.21
[INFO] [stderr]   Downloaded winapi-build v0.1.1
[INFO] [stderr]   Downloaded regex-syntax v0.3.9
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c8afef72b547a693ca44e8832746dc195642db024f18dc14c70142cc4d42f69c
[INFO] running `Command { std: "docker" "start" "-a" "c8afef72b547a693ca44e8832746dc195642db024f18dc14c70142cc4d42f69c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8afef72b547a693ca44e8832746dc195642db024f18dc14c70142cc4d42f69c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8afef72b547a693ca44e8832746dc195642db024f18dc14c70142cc4d42f69c", kill_on_drop: false }`
[INFO] [stdout] c8afef72b547a693ca44e8832746dc195642db024f18dc14c70142cc4d42f69c
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d376154e54d36cb8c5caffe6cdb05296c6d281bdb43d225399bb965b2f5d36e0
[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" "d376154e54d36cb8c5caffe6cdb05296c6d281bdb43d225399bb965b2f5d36e0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.17
[INFO] [stderr]    Compiling unicode-normalization v0.1.2
[INFO] [stderr]    Compiling rustc-serialize v0.3.21
[INFO] [stderr]    Compiling httparse v1.2.0
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling modifier v0.1.0
[INFO] [stderr]    Compiling route-recognizer v0.1.11
[INFO] [stderr]    Compiling unicode-bidi v0.2.3
[INFO] [stderr]    Compiling error v0.1.9
[INFO] [stderr]    Compiling plugin v0.2.6
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling num_cpus v1.1.0
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling num_cpus v0.2.13
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling idna v0.1.0
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling url v1.2.3
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling conduit-mime-types v0.7.3
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling uuid v0.2.3
[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` 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" "d376154e54d36cb8c5caffe6cdb05296c6d281bdb43d225399bb965b2f5d36e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d376154e54d36cb8c5caffe6cdb05296c6d281bdb43d225399bb965b2f5d36e0", kill_on_drop: false }`
[INFO] [stdout] d376154e54d36cb8c5caffe6cdb05296c6d281bdb43d225399bb965b2f5d36e0