[INFO] fetching crate ref-cast-impl 1.0.2...
[INFO] checking ref-cast-impl-1.0.2 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] extracting crate ref-cast-impl 1.0.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ref-cast-impl 1.0.2 on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "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" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47dae80d39361856a712bfcfd204f4f2af181145093448f869337104e90dada1
[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" "47dae80d39361856a712bfcfd204f4f2af181145093448f869337104e90dada1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47dae80d39361856a712bfcfd204f4f2af181145093448f869337104e90dada1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47dae80d39361856a712bfcfd204f4f2af181145093448f869337104e90dada1", kill_on_drop: false }`
[INFO] [stdout] 47dae80d39361856a712bfcfd204f4f2af181145093448f869337104e90dada1
[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" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6d3fa0af299ccbafb2bf7aca8d550fc15da6a1bdd6cf2e3c2eaf1058b5b8a1e
[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" "e6d3fa0af299ccbafb2bf7aca8d550fc15da6a1bdd6cf2e3c2eaf1058b5b8a1e", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking ref-cast-impl v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.69s
[INFO] running `Command { std: "docker" "inspect" "e6d3fa0af299ccbafb2bf7aca8d550fc15da6a1bdd6cf2e3c2eaf1058b5b8a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6d3fa0af299ccbafb2bf7aca8d550fc15da6a1bdd6cf2e3c2eaf1058b5b8a1e", kill_on_drop: false }`
[INFO] [stdout] e6d3fa0af299ccbafb2bf7aca8d550fc15da6a1bdd6cf2e3c2eaf1058b5b8a1e