[INFO] cloning repository https://github.com/pepoipod/rust-img-fetcher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pepoipod/rust-img-fetcher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpepoipod%2Frust-img-fetcher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpepoipod%2Frust-img-fetcher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5ba2af75bc26b5e3c7b2e686e7d084403ade0059
[INFO] documenting pepoipod/rust-img-fetcher against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpepoipod%2Frust-img-fetcher" "/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/pepoipod/rust-img-fetcher 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/pepoipod/rust-img-fetcher
[INFO] finished tweaking git repo https://github.com/pepoipod/rust-img-fetcher
[INFO] tweaked toml for git repo https://github.com/pepoipod/rust-img-fetcher written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/pepoipod/rust-img-fetcher 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 selectors v0.19.0
[INFO] [stderr]   Downloaded scraper v0.7.0
[INFO] [stderr]   Downloaded hyper v0.12.12
[INFO] [stderr]   Downloaded reqwest v0.9.3
[INFO] [stderr]   Downloaded cssparser-macros v0.3.4
[INFO] [stderr]   Downloaded cssparser v0.23.10
[INFO] [stderr]   Downloaded tokio v0.1.12
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/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] e9467f4697abab390f19282f6710d9529d2b10ef9c85a400eecb6de209c59ee4
[INFO] running `Command { std: "docker" "start" "-a" "e9467f4697abab390f19282f6710d9529d2b10ef9c85a400eecb6de209c59ee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9467f4697abab390f19282f6710d9529d2b10ef9c85a400eecb6de209c59ee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9467f4697abab390f19282f6710d9529d2b10ef9c85a400eecb6de209c59ee4", kill_on_drop: false }`
[INFO] [stdout] e9467f4697abab390f19282f6710d9529d2b10ef9c85a400eecb6de209c59ee4
[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" "RUSTDOCFLAGS=--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" "doc" "--frozen" "--no-deps" "--document-private-items" "--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] 66add07fbf14ff9f6fa45bd9b3c4dae37d0947aa241a4960afa8d60c96931cf6
[INFO] running `Command { std: "docker" "start" "-a" "66add07fbf14ff9f6fa45bd9b3c4dae37d0947aa241a4960afa8d60c96931cf6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling syn v0.15.13
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking openssl v0.10.15
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]     Checking libflate v0.1.18
[INFO] [stderr]     Checking serde_urlencoded v0.5.3
[INFO] [stderr]    Compiling selectors v0.19.0
[INFO] [stderr]     Checking tokio-io v0.1.10
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling serde_json v1.0.32
[INFO] [stderr]     Checking crossbeam-deque v0.6.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.8
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking h2 v0.1.13
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-uds v0.2.3
[INFO] [stderr]     Checking native-tls v0.2.2
[INFO] [stderr]     Checking tokio v0.1.12
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking hyper v0.12.12
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking reqwest v0.9.3
[INFO] [stderr]    Compiling cssparser-macros v0.3.4
[INFO] [stderr]    Compiling cssparser v0.23.10
[INFO] [stderr]    Compiling html5ever v0.22.3
[INFO] [stderr]    Compiling markup5ever v0.7.3
[INFO] [stdout] error[E0506]: cannot assign to `self.input.cached_token` because it is borrowed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.23.10/src/parser.rs:572:17
[INFO] [stdout]     |
[INFO] [stdout] 547 |     pub fn next_including_whitespace_and_comments(&mut self) -> Result<&Token<'i>, BasicParseError<'i>> {
[INFO] [stdout]     |                                                   - let's call the lifetime of this reference `'1`
[INFO] [stdout] ...
[INFO] [stdout] 560 |             Some(ref cached_token)
[INFO] [stdout]     |                  ---------------- borrow of `self.input.cached_token` occurs here
[INFO] [stdout] ...
[INFO] [stdout] 572 |                 self.input.cached_token = Some(CachedToken {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^ assignment to borrowed `self.input.cached_token` occurs here
[INFO] [stdout] ...
[INFO] [stdout] 584 |         Ok(token)
[INFO] [stdout]     |         --------- returning this value requires that `self.input.cached_token.0` is borrowed for `'1`
[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 E0506`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cssparser` 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" "66add07fbf14ff9f6fa45bd9b3c4dae37d0947aa241a4960afa8d60c96931cf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66add07fbf14ff9f6fa45bd9b3c4dae37d0947aa241a4960afa8d60c96931cf6", kill_on_drop: false }`
[INFO] [stdout] 66add07fbf14ff9f6fa45bd9b3c4dae37d0947aa241a4960afa8d60c96931cf6
