[INFO] cloning repository https://github.com/MalteT/mensa
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MalteT/mensa" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMalteT%2Fmensa", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMalteT%2Fmensa'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0cb7979556e2d480fe2af0e703413958ffb8d420
[INFO] testing MalteT/mensa against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMalteT%2Fmensa" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MalteT/mensa on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MalteT/mensa
[INFO] finished tweaking git repo https://github.com/MalteT/mensa
[INFO] tweaked toml for git repo https://github.com/MalteT/mensa written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/MalteT/mensa already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-5/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mac v0.1.1
[INFO] [stderr]   Downloaded form_urlencoded v1.0.0
[INFO] [stderr]   Downloaded core-foundation-sys v0.8.2
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[INFO] [stderr]   Downloaded tokio-buf v0.1.1
[INFO] [stderr]   Downloaded http v0.1.21
[INFO] [stderr]   Downloaded cookie_store v0.7.0
[INFO] [stderr]   Downloaded procedural-masquerade v0.1.7
[INFO] [stderr]   Downloaded want v0.2.0
[INFO] [stderr]   Downloaded core-foundation v0.9.1
[INFO] [stderr]   Downloaded security-framework v2.0.0
[INFO] [stderr]   Downloaded try-lock v0.2.3
[INFO] [stderr]   Downloaded error-chain v0.12.4
[INFO] [stderr]   Downloaded colored v1.9.3
[INFO] [stderr]   Downloaded security-framework-sys v2.0.0
[INFO] [stderr]   Downloaded indexmap v1.6.0
[INFO] [stderr]   Downloaded flate2 v1.0.19
[INFO] [stderr]   Downloaded reqwest v0.9.24
[INFO] [stderr]   Downloaded publicsuffix v1.5.4
[INFO] [stderr]   Downloaded maplit v1.0.2
[INFO] [stderr]   Downloaded block-padding v0.1.5
[INFO] [stderr]   Downloaded sha-1 v0.8.2
[INFO] [stderr]   Downloaded ucd-trie v0.1.3
[INFO] [stderr]   Downloaded pest v2.1.3
[INFO] [stderr]   Downloaded byte-tools v0.3.1
[INFO] [stderr]   Downloaded html5ever v0.22.5
[INFO] [stderr]   Downloaded futf v0.1.4
[INFO] [stderr]   Downloaded string_cache_shared v0.3.0
[INFO] [stderr]   Downloaded pest_meta v2.1.3
[INFO] [stderr]   Downloaded thin-slice v0.1.1
[INFO] [stderr]   Downloaded selectors v0.20.0
[INFO] [stderr]   Downloaded tendril v0.4.1
[INFO] [stderr]   Downloaded block-buffer v0.7.3
[INFO] [stderr]   Downloaded digest v0.8.1
[INFO] [stderr]   Downloaded getopts v0.2.21
[INFO] [stderr]   Downloaded opaque-debug v0.2.3
[INFO] [stderr]   Downloaded pest_generator v2.1.3
[INFO] [stderr]   Downloaded hashbrown v0.9.1
[INFO] [stderr]   Downloaded markup5ever v0.7.5
[INFO] [stderr]   Downloaded hyper v0.12.35
[INFO] [stderr]   Downloaded ego-tree v0.6.2
[INFO] [stderr]   Downloaded dtoa-short v0.3.2
[INFO] [stderr]   Downloaded cssparser v0.24.1
[INFO] [stderr]   Downloaded hyper-tls v0.3.2
[INFO] [stderr]   Downloaded cookie v0.12.0
[INFO] [stderr]   Downloaded try_from v0.3.2
[INFO] [stderr]   Downloaded url v2.2.0
[INFO] [stderr]   Downloaded string_cache v0.7.5
[INFO] [stderr]   Downloaded tempfile v3.1.0
[INFO] [stderr]   Downloaded cssparser-macros v0.3.6
[INFO] [stderr]   Downloaded getrandom v0.1.15
[INFO] [stderr]   Downloaded native-tls v0.2.6
[INFO] [stderr]   Downloaded precomputed-hash v0.1.1
[INFO] [stderr]   Downloaded new_debug_unreachable v1.0.4
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.10
[INFO] [stderr]   Downloaded stable_deref_trait v1.2.0
[INFO] [stderr]   Downloaded scraper v0.9.2
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[INFO] [stderr]   Downloaded openssl v0.10.30
[INFO] [stderr]   Downloaded string_cache_codegen v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfe6c9d9f93d44b5c055b046b1f6291c5f5cdfcdd87716b9eb8252b593b40800
[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" "bfe6c9d9f93d44b5c055b046b1f6291c5f5cdfcdd87716b9eb8252b593b40800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfe6c9d9f93d44b5c055b046b1f6291c5f5cdfcdd87716b9eb8252b593b40800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfe6c9d9f93d44b5c055b046b1f6291c5f5cdfcdd87716b9eb8252b593b40800", kill_on_drop: false }`
[INFO] [stdout] bfe6c9d9f93d44b5c055b046b1f6291c5f5cdfcdd87716b9eb8252b593b40800
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5237960e03fbd08f6097f85cc31614df7d8baa781c2b205c7cfc38ec2be6ea32
[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" "5237960e03fbd08f6097f85cc31614df7d8baa781c2b205c7cfc38ec2be6ea32", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling futures v0.1.30
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling procedural-masquerade v0.1.7
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling try_from v0.3.2
[INFO] [stderr]    Compiling futf v0.1.4
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
[INFO] [stderr]    Compiling dtoa-short v0.3.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling servo_arc v0.1.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling net2 v0.2.36
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling tendril v0.4.1
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling url v2.2.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling flate2 v1.0.19
[INFO] [stderr]    Compiling native-tls v0.2.6
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling selectors v0.20.0
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling publicsuffix v1.5.4
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling cssparser-macros v0.3.6
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling cssparser v0.24.1
[INFO] [stderr]    Compiling html5ever v0.22.5
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling serde v1.0.117
[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" "5237960e03fbd08f6097f85cc31614df7d8baa781c2b205c7cfc38ec2be6ea32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5237960e03fbd08f6097f85cc31614df7d8baa781c2b205c7cfc38ec2be6ea32", kill_on_drop: false }`
[INFO] [stdout] 5237960e03fbd08f6097f85cc31614df7d8baa781c2b205c7cfc38ec2be6ea32