[INFO] cloning repository https://github.com/pbzweihander/discordbot-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pbzweihander/discordbot-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpbzweihander%2Fdiscordbot-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpbzweihander%2Fdiscordbot-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d689e3a880fda93cb89c63d517e0521265857e32
[INFO] checking pbzweihander/discordbot-rs against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpbzweihander%2Fdiscordbot-rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pbzweihander/discordbot-rs on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pbzweihander/discordbot-rs
[INFO] finished tweaking git repo https://github.com/pbzweihander/discordbot-rs
[INFO] tweaked toml for git repo https://github.com/pbzweihander/discordbot-rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/pbzweihander/discordbot-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52226a6e460e89d6af09f7fcee14429999099769eedadfc257906fb6bc08faec
[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" "52226a6e460e89d6af09f7fcee14429999099769eedadfc257906fb6bc08faec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52226a6e460e89d6af09f7fcee14429999099769eedadfc257906fb6bc08faec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52226a6e460e89d6af09f7fcee14429999099769eedadfc257906fb6bc08faec", kill_on_drop: false }`
[INFO] [stdout] 52226a6e460e89d6af09f7fcee14429999099769eedadfc257906fb6bc08faec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--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] b12d8cc51b493b08340cb24b2e020809c8299cc4080b4c26cafa51a36dae58e8
[INFO] running `Command { std: "docker" "start" "-a" "b12d8cc51b493b08340cb24b2e020809c8299cc4080b4c26cafa51a36dae58e8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.32
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling openssl v0.9.24 (https://github.com/ishitatsuyuki/rust-openssl?branch=0.9.x#3b73dda4)
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]     Checking tokio-executor v0.1.7
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking dtoa-short v0.3.2
[INFO] [stderr]     Checking base64 v0.8.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking hyper v0.10.15
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.16
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]     Checking tokio-timer v0.2.10
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling selectors v0.20.0
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]     Checking tokio-threadpool v0.1.13
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.43
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.1
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio v0.1.18
[INFO] [stderr]     Checking h2 v0.1.17
[INFO] [stderr]    Compiling openssl v0.10.20
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]     Checking backtrace v0.3.14
[INFO] [stderr]     Checking multipart v0.13.6
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]     Checking hyper v0.12.25
[INFO] [stderr]     Checking native-tls v0.1.5
[INFO] [stderr]     Checking evzht9h3nznqzwl v0.0.3
[INFO] [stderr]     Checking hyper-native-tls v0.2.4
[INFO] [stderr]    Compiling cssparser v0.24.1
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking reqwest v0.9.12
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]    Compiling html5ever v0.22.5
[INFO] [stderr]    Compiling cssparser-macros v0.3.5
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[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-0.24.1/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`
[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" "b12d8cc51b493b08340cb24b2e020809c8299cc4080b4c26cafa51a36dae58e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b12d8cc51b493b08340cb24b2e020809c8299cc4080b4c26cafa51a36dae58e8", kill_on_drop: false }`
[INFO] [stdout] b12d8cc51b493b08340cb24b2e020809c8299cc4080b4c26cafa51a36dae58e8