[INFO] cloning repository https://github.com/colindjk/tin_can_telephone
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/colindjk/tin_can_telephone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolindjk%2Ftin_can_telephone", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolindjk%2Ftin_can_telephone'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d6aab22360302fce31f73fb36e612a9ad138f11
[INFO] checking colindjk/tin_can_telephone against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolindjk%2Ftin_can_telephone" "/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/colindjk/tin_can_telephone on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/colindjk/tin_can_telephone
[INFO] finished tweaking git repo https://github.com/colindjk/tin_can_telephone
[INFO] tweaked toml for git repo https://github.com/colindjk/tin_can_telephone written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/colindjk/tin_can_telephone already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lazy_static v0.2.2
[INFO] [stderr]   Downloaded sha1 v0.2.0
[INFO] [stderr]   Downloaded time v0.1.35
[INFO] [stderr]   Downloaded fnv v1.0.5
[INFO] [stderr]   Downloaded mio v0.6.1
[INFO] [stderr]   Downloaded byteorder v0.5.3
[INFO] [stderr]   Downloaded num-integer v0.1.32
[INFO] [stderr]   Downloaded chrono v0.2.25
[INFO] [stderr]   Downloaded env_logger v0.3.5
[INFO] [stderr]   Downloaded error-chain v0.5.0
[INFO] [stderr]   Downloaded url v1.2.3
[INFO] [stderr]   Downloaded num v0.1.36
[INFO] [stderr]   Downloaded either v1.0.2
[INFO] [stderr]   Downloaded semver v0.1.20
[INFO] [stderr]   Downloaded rustc_version v0.1.7
[INFO] [stderr]   Downloaded net2 v0.2.26
[INFO] [stderr]   Downloaded matches v0.1.4
[INFO] [stderr]   Downloaded serde_json v0.8.3
[INFO] [stderr]   Downloaded num-traits v0.1.36
[INFO] [stderr]   Downloaded unicode-xid v0.0.3
[INFO] [stderr]   Downloaded rustc-demangle v0.1.3
[INFO] [stderr]   Downloaded syn v0.10.3
[INFO] [stderr]   Downloaded log v0.3.6
[INFO] [stderr]   Downloaded unicode-normalization v0.1.2
[INFO] [stderr]   Downloaded idna v0.1.0
[INFO] [stderr]   Downloaded backtrace-sys v0.1.5
[INFO] [stderr]   Downloaded unicode-bidi v0.2.3
[INFO] [stderr]   Downloaded futures v0.1.6
[INFO] [stderr]   Downloaded libc v0.2.17
[INFO] [stderr]   Downloaded nix v0.7.0
[INFO] [stderr]   Downloaded quote v0.3.10
[INFO] [stderr]   Downloaded dtoa v0.2.2
[INFO] [stderr]   Downloaded itoa v0.1.1
[INFO] [stderr]   Downloaded serde_codegen v0.8.19
[INFO] [stderr]   Downloaded serde_derive v0.8.19
[INFO] [stderr]   Downloaded serde v0.8.19
[INFO] [stderr]   Downloaded lazycell v0.4.0
[INFO] [stderr]   Downloaded miow v0.1.3
[INFO] [stderr]   Downloaded cfg-if v0.1.0
[INFO] [stderr]   Downloaded dbghelp-sys v0.2.0
[INFO] [stderr]   Downloaded serde_codegen_internals v0.11.1
[INFO] [stderr]   Downloaded tokio-core v0.1.1
[INFO] [stderr]   Downloaded scoped-tls v0.1.0
[INFO] [stderr]   Downloaded num-iter v0.1.32
[INFO] [stderr]   Downloaded gcc v0.3.38
[INFO] [stderr]   Downloaded backtrace v0.2.3
[INFO] [stderr]   Downloaded mysql_async v0.2.0
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0bc8ce9e42f101a90c218ff329db355e30b1b0e3a9d0fb8d66eb3e969e153c0
[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" "b0bc8ce9e42f101a90c218ff329db355e30b1b0e3a9d0fb8d66eb3e969e153c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0bc8ce9e42f101a90c218ff329db355e30b1b0e3a9d0fb8d66eb3e969e153c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0bc8ce9e42f101a90c218ff329db355e30b1b0e3a9d0fb8d66eb3e969e153c0", kill_on_drop: false }`
[INFO] [stdout] b0bc8ce9e42f101a90c218ff329db355e30b1b0e3a9d0fb8d66eb3e969e153c0
[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=forbid" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b654665d936abdf762153b5eecb3f900e2071b8570b2dd7424c30ec516cc26f
[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" "8b654665d936abdf762153b5eecb3f900e2071b8570b2dd7424c30ec516cc26f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]    Compiling quote v0.3.10
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking fnv v1.0.5
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking serde v0.8.19
[INFO] [stderr]     Checking either v1.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking unicode-bidi v0.2.3
[INFO] [stderr]     Checking net2 v0.2.26
[INFO] [stderr]     Checking futures v0.1.6
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]    Compiling syn v0.10.3
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking idna v0.1.0
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]     Checking error-chain v0.5.0
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking url v1.2.3
[INFO] [stderr]    Compiling serde_codegen_internals v0.11.1
[INFO] [stderr]     Checking serde_json v0.8.3
[INFO] [stderr]    Compiling serde_codegen v0.8.19
[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" "8b654665d936abdf762153b5eecb3f900e2071b8570b2dd7424c30ec516cc26f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b654665d936abdf762153b5eecb3f900e2071b8570b2dd7424c30ec516cc26f", kill_on_drop: false }`
[INFO] [stdout] 8b654665d936abdf762153b5eecb3f900e2071b8570b2dd7424c30ec516cc26f