[INFO] cloning repository https://github.com/the-lobster/liter2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/the-lobster/liter2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthe-lobster%2Fliter2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthe-lobster%2Fliter2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 60c732d2abde946ec49c7822da7ad2818e995942
[INFO] testing the-lobster/liter2 against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthe-lobster%2Fliter2" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/the-lobster/liter2 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/the-lobster/liter2
[INFO] finished tweaking git repo https://github.com/the-lobster/liter2
[INFO] tweaked toml for git repo https://github.com/the-lobster/liter2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/the-lobster/liter2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scraper v0.4.0
[INFO] [stderr]   Downloaded selectors v0.5.9
[INFO] [stderr]   Downloaded cssparser v0.5.8
[INFO] [stderr]   Downloaded hyper v0.11.18
[INFO] [stderr]   Downloaded ego-tree v0.1.1
[INFO] [stderr]   Downloaded string_cache v0.2.29
[INFO] [stderr]   Downloaded html5ever v0.5.4
[INFO] [stderr]   Downloaded clap v2.30.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.25
[INFO] [stderr]   Downloaded quickersort v2.2.0
[INFO] [stderr]   Downloaded epub-builder v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-08-01" "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] e44ff9f3f38989eb829e6a7e532a6974fcd06d04eb8765417144810ef79096e6
[INFO] running `Command { std: "docker" "start" "-a" "e44ff9f3f38989eb829e6a7e532a6974fcd06d04eb8765417144810ef79096e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e44ff9f3f38989eb829e6a7e532a6974fcd06d04eb8765417144810ef79096e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e44ff9f3f38989eb829e6a7e532a6974fcd06d04eb8765417144810ef79096e6", kill_on_drop: false }`
[INFO] [stdout] e44ff9f3f38989eb829e6a7e532a6974fcd06d04eb8765417144810ef79096e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a857be02333bb56e20084d096bbece38b022395b6bb3453ceefe57869bbbd1f4
[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" "a857be02333bb56e20084d096bbece38b022395b6bb3453ceefe57869bbbd1f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.0
[INFO] [stderr]    Compiling futures v0.1.18
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling smallvec v0.1.8
[INFO] [stderr]    Compiling ego-tree v0.1.1
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling termion v1.5.1
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.25
[INFO] [stderr]    Compiling bzip2-sys v0.1.6
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.1.2
[INFO] [stderr]    Compiling miniz_oxide v0.1.2
[INFO] [stderr]    Compiling utf-8 v0.6.0
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling msdos_time v0.1.5
[INFO] [stderr]    Compiling clap v2.30.0
[INFO] [stderr]    Compiling mustache v0.8.2
[INFO] [stderr]    Compiling crc v1.7.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]    Compiling cssparser v0.5.8
[INFO] [stderr]    Compiling url v1.6.0
[INFO] [stderr]    Compiling structopt-derive v0.1.6
[INFO] [stderr]    Compiling debug_unreachable v0.1.1
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling uuid v0.3.1
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling mio v0.6.13
[INFO] [stderr]    Compiling remove_dir_all v0.3.0
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]    Compiling libflate v0.1.14
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling futf v0.1.3
[INFO] [stderr]    Compiling mime v0.3.5
[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" "a857be02333bb56e20084d096bbece38b022395b6bb3453ceefe57869bbbd1f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a857be02333bb56e20084d096bbece38b022395b6bb3453ceefe57869bbbd1f4", kill_on_drop: false }`
[INFO] [stdout] a857be02333bb56e20084d096bbece38b022395b6bb3453ceefe57869bbbd1f4
