[INFO] fetching crate ref-cast-impl 1.0.2...
[INFO] checking ref-cast-impl-1.0.2 against master#31ee872db5aae4750e3da1ca4ed1523c4356947f for pr-78461
[INFO] extracting crate ref-cast-impl 1.0.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate ref-cast-impl 1.0.2 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 ref-cast-impl 1.0.2
[INFO] finished tweaking crates.io crate ref-cast-impl 1.0.2
[INFO] tweaked toml for crates.io crate ref-cast-impl 1.0.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49319344af88754c76a3741c2f63c2b7cfb2d184184205325d56719fb53fd352
[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" "49319344af88754c76a3741c2f63c2b7cfb2d184184205325d56719fb53fd352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49319344af88754c76a3741c2f63c2b7cfb2d184184205325d56719fb53fd352", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49319344af88754c76a3741c2f63c2b7cfb2d184184205325d56719fb53fd352", kill_on_drop: false }`
[INFO] [stdout] 49319344af88754c76a3741c2f63c2b7cfb2d184184205325d56719fb53fd352
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cc0060a2c977fe6bc77b09c33b60bd0d362750e948335bc23fa483d09228242
[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" "8cc0060a2c977fe6bc77b09c33b60bd0d362750e948335bc23fa483d09228242", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking ref-cast-impl v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: unmatched angle bracket
[INFO] [stdout]    --> 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]    --> 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] [stdout] error: unmatched angle bracket
[INFO] [stdout]    --> 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]    --> 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: build failed
[INFO] running `Command { std: "docker" "inspect" "8cc0060a2c977fe6bc77b09c33b60bd0d362750e948335bc23fa483d09228242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cc0060a2c977fe6bc77b09c33b60bd0d362750e948335bc23fa483d09228242", kill_on_drop: false }`
[INFO] [stdout] 8cc0060a2c977fe6bc77b09c33b60bd0d362750e948335bc23fa483d09228242