[INFO] cloning repository https://github.com/U007D/ecpp17cc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/U007D/ecpp17cc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FU007D%2Fecpp17cc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FU007D%2Fecpp17cc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 91cffcd6b5ddd57ae28757c4acdf612edf778797
[INFO] checking U007D/ecpp17cc against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FU007D%2Fecpp17cc" "/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/U007D/ecpp17cc on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/U007D/ecpp17cc
[INFO] finished tweaking git repo https://github.com/U007D/ecpp17cc
[INFO] tweaked toml for git repo https://github.com/U007D/ecpp17cc written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/U007D/ecpp17cc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-12/source/Cargo.toml: `panic` setting is ignored for `bench` profile
[INFO] [stderr] warning: /workspace/builds/worker-12/source/Cargo.toml: profile `doc` is deprecated and has no effect
[INFO] [stderr] warning: /workspace/builds/worker-12/source/Cargo.toml: `panic` setting is ignored for `test` profile
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[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" "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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b0b8d34e6bf480bb8be23a702f055fc5f3c3f64014d9cbc4733e3a341f5c38f
[INFO] running `Command { std: "docker" "start" "-a" "0b0b8d34e6bf480bb8be23a702f055fc5f3c3f64014d9cbc4733e3a341f5c38f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b0b8d34e6bf480bb8be23a702f055fc5f3c3f64014d9cbc4733e3a341f5c38f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b0b8d34e6bf480bb8be23a702f055fc5f3c3f64014d9cbc4733e3a341f5c38f", kill_on_drop: false }`
[INFO] [stdout] 0b0b8d34e6bf480bb8be23a702f055fc5f3c3f64014d9cbc4733e3a341f5c38f
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7182ce4ad9dcc6af257a340bf7e6152c88c0780edc25eb973e7b458874200f66
[INFO] running `Command { std: "docker" "start" "-a" "7182ce4ad9dcc6af257a340bf7e6152c88c0780edc25eb973e7b458874200f66", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/Cargo.toml: `panic` setting is ignored for `bench` profile
[INFO] [stderr] warning: /opt/rustwide/workdir/Cargo.toml: profile `doc` is deprecated and has no effect
[INFO] [stderr] warning: /opt/rustwide/workdir/Cargo.toml: `panic` setting is ignored for `test` profile
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling pulldown-cmark v0.0.15
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling either v1.4.0
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]    Compiling getopts v0.2.17
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]    Compiling clippy v0.0.186
[INFO] [stderr]    Compiling if_chain v0.1.2
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking rustc-demangle v0.1.6
[INFO] [stderr]    Compiling quine-mc_cluskey v0.2.4
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling toml v0.4.5
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]    Compiling itertools v0.6.5
[INFO] [stderr]    Compiling serde_json v1.0.9
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking pretty_assertions v0.5.0
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]    Compiling regex v0.2.6
[INFO] [stderr]    Compiling idna v0.1.4
[INFO] [stderr]     Checking clap v2.30.0
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling syn v0.12.13
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]     Checking csv v0.15.0
[INFO] [stderr]    Compiling url v1.6.0
[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`
[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" "7182ce4ad9dcc6af257a340bf7e6152c88c0780edc25eb973e7b458874200f66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7182ce4ad9dcc6af257a340bf7e6152c88c0780edc25eb973e7b458874200f66", kill_on_drop: false }`
[INFO] [stdout] 7182ce4ad9dcc6af257a340bf7e6152c88c0780edc25eb973e7b458874200f66