[INFO] fetching crate gflags 0.3.7...
[INFO] checking gflags-0.3.7 against master#31ee872db5aae4750e3da1ca4ed1523c4356947f for pr-78461
[INFO] extracting crate gflags 0.3.7 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate gflags 0.3.7 on toolchain 31ee872db5aae4750e3da1ca4ed1523c4356947f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gflags 0.3.7
[INFO] finished tweaking crates.io crate gflags 0.3.7
[INFO] tweaked toml for crates.io crate gflags 0.3.7 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate gflags 0.3.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2237b69c9137b78467d833dc2dd4ae6f8191faad29a8786410836496e0a9654
[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" "f2237b69c9137b78467d833dc2dd4ae6f8191faad29a8786410836496e0a9654", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2237b69c9137b78467d833dc2dd4ae6f8191faad29a8786410836496e0a9654", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2237b69c9137b78467d833dc2dd4ae6f8191faad29a8786410836496e0a9654", kill_on_drop: false }`
[INFO] [stdout] f2237b69c9137b78467d833dc2dd4ae6f8191faad29a8786410836496e0a9654
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "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] 74ac98060c437724bd7262ecee660af3f824c5b454f4506c767ffc2733192f8e
[INFO] running `Command { std: "docker" "start" "-a" "74ac98060c437724bd7262ecee660af3f824c5b454f4506c767ffc2733192f8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling argv v0.1.3
[INFO] [stderr]    Compiling inventory v0.1.9
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking predicates v1.0.5
[INFO] [stderr]     Checking assert_cmd v1.0.1
[INFO] [stderr]    Compiling ctor v0.1.16
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling ref-cast-impl v1.0.2
[INFO] [stderr]    Compiling inventory-impl v0.1.9
[INFO] [stderr]    Compiling gflags-impl v0.3.7
[INFO] [stdout] error: unmatched angle bracket
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ref-cast-impl-1.0.2/src/lib.rs:163:72
[INFO] [stdout]     |
[INFO] [stdout] 163 | fn decide_trivial(fields: &Fields) -> Result<fn(&Field) -> Result<bool>> {
[INFO] [stdout]     |                                                                        ^^ help: remove extra angle bracket
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `,` or `>`, found `{`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ref-cast-impl-1.0.2/src/lib.rs:163:74
[INFO] [stdout]     |
[INFO] [stdout] 163 | fn decide_trivial(fields: &Fields) -> Result<fn(&Field) -> Result<bool>> {
[INFO] [stdout]     |                                                                          ^ expected one of `,` or `>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ref-cast-impl`
[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" "74ac98060c437724bd7262ecee660af3f824c5b454f4506c767ffc2733192f8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74ac98060c437724bd7262ecee660af3f824c5b454f4506c767ffc2733192f8e", kill_on_drop: false }`
[INFO] [stdout] 74ac98060c437724bd7262ecee660af3f824c5b454f4506c767ffc2733192f8e