[INFO] fetching crate iref-enum 1.1.0...
[INFO] checking iref-enum-1.1.0 against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] extracting crate iref-enum 1.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate iref-enum 1.1.0 on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iref-enum 1.1.0
[INFO] finished tweaking crates.io crate iref-enum 1.1.0
[INFO] tweaked toml for crates.io crate iref-enum 1.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate iref-enum 1.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6f3caa936c9c17f8dbcb6be9752c24d35401247f57b935273722cd68fd350f5
[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" "f6f3caa936c9c17f8dbcb6be9752c24d35401247f57b935273722cd68fd350f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6f3caa936c9c17f8dbcb6be9752c24d35401247f57b935273722cd68fd350f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6f3caa936c9c17f8dbcb6be9752c24d35401247f57b935273722cd68fd350f5", kill_on_drop: false }`
[INFO] [stdout] f6f3caa936c9c17f8dbcb6be9752c24d35401247f57b935273722cd68fd350f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cb83c58511a0195a8b36ece1094935c25699b48443f028eaabba84ff19f9b86
[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" "4cb83c58511a0195a8b36ece1094935c25699b48443f028eaabba84ff19f9b86", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]    Compiling pct-str v1.0.2
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]     Checking iref v1.1.5
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling static-iref v1.0.0
[INFO] [stderr]     Checking iref-enum v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.26s
[INFO] running `Command { std: "docker" "inspect" "4cb83c58511a0195a8b36ece1094935c25699b48443f028eaabba84ff19f9b86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cb83c58511a0195a8b36ece1094935c25699b48443f028eaabba84ff19f9b86", kill_on_drop: false }`
[INFO] [stdout] 4cb83c58511a0195a8b36ece1094935c25699b48443f028eaabba84ff19f9b86