[INFO] cloning repository https://github.com/instagibbs/backoutmasterkey
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/instagibbs/backoutmasterkey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finstagibbs%2Fbackoutmasterkey", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finstagibbs%2Fbackoutmasterkey'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 52f5bbfd2e4243f7f0b3fb5e4612db7fc7d618f0
[INFO] testing instagibbs/backoutmasterkey against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finstagibbs%2Fbackoutmasterkey" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/instagibbs/backoutmasterkey on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/instagibbs/backoutmasterkey
[INFO] finished tweaking git repo https://github.com/instagibbs/backoutmasterkey
[INFO] tweaked toml for git repo https://github.com/instagibbs/backoutmasterkey written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/instagibbs/backoutmasterkey already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]   Downloaded encoding_index_tests v0.1.4
[INFO] [stderr]   Downloaded encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]   Downloaded encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]   Downloaded log v0.4.1
[INFO] [stderr]   Downloaded hpack v0.2.0
[INFO] [stderr]   Downloaded byteorder v1.2.1
[INFO] [stderr]   Downloaded num-iter v0.1.34
[INFO] [stderr]   Downloaded encoding-index-japanese v1.20141219.5
[INFO] [stderr]   Downloaded nodrop v0.1.12
[INFO] [stderr]   Downloaded url v1.6.0
[INFO] [stderr]   Downloaded proc-macro-hack-impl v0.4.0
[INFO] [stderr]   Downloaded matches v0.1.6
[INFO] [stderr]   Downloaded redox_syscall v0.1.37
[INFO] [stderr]   Downloaded time v0.1.39
[INFO] [stderr]   Downloaded cookie v0.2.5
[INFO] [stderr]   Downloaded unicode-normalization v0.1.5
[INFO] [stderr]   Downloaded proc-macro-hack v0.4.0
[INFO] [stderr]   Downloaded num-complex v0.1.41
[INFO] [stderr]   Downloaded encoding-index-korean v1.20141219.5
[INFO] [stderr]   Downloaded encoding v0.2.33
[INFO] [stderr]   Downloaded rand v0.3.20
[INFO] [stderr]   Downloaded winapi v0.3.4
[INFO] [stderr]   Downloaded num-bigint v0.1.41
[INFO] [stderr]   Downloaded num v0.1.41
[INFO] [stderr]   Downloaded serde_json v0.6.1
[INFO] [stderr]   Downloaded odds v0.2.26
[INFO] [stderr]   Downloaded idna v0.1.4
[INFO] [stderr]   Downloaded hyper v0.9.18
[INFO] [stderr]   Downloaded bitflags v1.0.1
[INFO] [stderr]   Downloaded num-rational v0.1.41
[INFO] [stderr]   Downloaded num-integer v0.1.35
[INFO] [stderr]   Downloaded httparse v1.2.4
[INFO] [stderr]   Downloaded solicit v0.4.4
[INFO] [stderr]   Downloaded libc v0.2.36
[INFO] [stderr]   Downloaded strason v0.3.4
[INFO] [stderr]   Downloaded num-traits v0.1.42
[INFO] [stderr]   Downloaded traitobject v0.0.1
[INFO] [stderr]   Downloaded version_check v0.1.3
[INFO] [stderr]   Downloaded jsonrpc v0.8.0
[INFO] [stderr]   Downloaded arrayvec v0.3.25
[INFO] [stderr]   Downloaded serde v0.6.15
[INFO] [stderr]   Downloaded hex-literal-impl v0.1.0
[INFO] [stderr]   Downloaded secp256k1 v0.6.3
[INFO] [stderr]   Downloaded bitcoin v0.10.6
[INFO] [stderr]   Downloaded hex-literal v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 7f33d7549f2167f5cb78facdedf1e0a220ba1f6eb0e0b4395f16e0b655f2dd8c
[INFO] running `Command { std: "docker" "start" "-a" "7f33d7549f2167f5cb78facdedf1e0a220ba1f6eb0e0b4395f16e0b655f2dd8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f33d7549f2167f5cb78facdedf1e0a220ba1f6eb0e0b4395f16e0b655f2dd8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f33d7549f2167f5cb78facdedf1e0a220ba1f6eb0e0b4395f16e0b655f2dd8c", kill_on_drop: false }`
[INFO] [stdout] 7f33d7549f2167f5cb78facdedf1e0a220ba1f6eb0e0b4395f16e0b655f2dd8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", 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] 6684d5ef337f6e166dcb1b7708a2aaef7af59f848878d96b58c8217d30fc45b2
[INFO] running `Command { std: "docker" "start" "-a" "6684d5ef337f6e166dcb1b7708a2aaef7af59f848878d96b58c8217d30fc45b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.1.42
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling odds v0.2.26
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.0
[INFO] [stderr]    Compiling rand v0.3.20
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling secp256k1 v0.6.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling arrayvec v0.3.25
[INFO] [stderr]    Compiling idna v0.1.4
[INFO] [stderr]    Compiling hpack v0.2.0
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling num-complex v0.1.41
[INFO] [stderr]    Compiling proc-macro-hack v0.4.0
[INFO] [stderr]    Compiling solicit v0.4.4
[INFO] [stderr]    Compiling hex-literal-impl v0.1.0
[INFO] [stderr]    Compiling num-bigint v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling url v1.6.0
[INFO] [stderr]    Compiling hex-literal v0.1.0
[INFO] [stderr]    Compiling num-rational v0.1.41
[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-1.6.0/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: 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" "6684d5ef337f6e166dcb1b7708a2aaef7af59f848878d96b58c8217d30fc45b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6684d5ef337f6e166dcb1b7708a2aaef7af59f848878d96b58c8217d30fc45b2", kill_on_drop: false }`
[INFO] [stdout] 6684d5ef337f6e166dcb1b7708a2aaef7af59f848878d96b58c8217d30fc45b2