[INFO] fetching crate ref-cast 1.0.2...
[INFO] checking ref-cast-1.0.2 against try#1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73 for pr-78461
[INFO] extracting crate ref-cast 1.0.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ref-cast 1.0.2 on toolchain 1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ref-cast 1.0.2
[INFO] finished tweaking crates.io crate ref-cast 1.0.2
[INFO] tweaked toml for crates.io crate ref-cast 1.0.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73" "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" "+1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57b041c938a5759d6f081da1e88d6eab0b63dd10e96e6649cf1df0bbb6b8b1ce
[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" "57b041c938a5759d6f081da1e88d6eab0b63dd10e96e6649cf1df0bbb6b8b1ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57b041c938a5759d6f081da1e88d6eab0b63dd10e96e6649cf1df0bbb6b8b1ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57b041c938a5759d6f081da1e88d6eab0b63dd10e96e6649cf1df0bbb6b8b1ce", kill_on_drop: false }`
[INFO] [stdout] 57b041c938a5759d6f081da1e88d6eab0b63dd10e96e6649cf1df0bbb6b8b1ce
[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" "+1b5ce95284bc3170a1f4a55c6ec8a06b3e85ff73" "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] 4d0f140adf56090a6a2fb5e3efe11d6799e24c1951355418bfa5b48436d24b0e
[INFO] running `Command { std: "docker" "start" "-a" "4d0f140adf56090a6a2fb5e3efe11d6799e24c1951355418bfa5b48436d24b0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling trybuild v1.0.35
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking dissimilar v1.0.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling ref-cast-impl v1.0.2
[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" "4d0f140adf56090a6a2fb5e3efe11d6799e24c1951355418bfa5b48436d24b0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d0f140adf56090a6a2fb5e3efe11d6799e24c1951355418bfa5b48436d24b0e", kill_on_drop: false }`
[INFO] [stdout] 4d0f140adf56090a6a2fb5e3efe11d6799e24c1951355418bfa5b48436d24b0e