[INFO] fetching crate iref 1.4.3...
[INFO] checking iref-1.4.3 against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] extracting crate iref 1.4.3 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate iref 1.4.3 on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iref 1.4.3
[INFO] finished tweaking crates.io crate iref 1.4.3
[INFO] tweaked toml for crates.io crate iref 1.4.3 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate iref 1.4.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--no-deps" "--format-version=1", 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] 44342f1398c544b58fe488aaf7ed4e5ab727e66ed24a0de19653ac2543aa629a
[INFO] running `Command { std: "docker" "start" "-a" "44342f1398c544b58fe488aaf7ed4e5ab727e66ed24a0de19653ac2543aa629a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44342f1398c544b58fe488aaf7ed4e5ab727e66ed24a0de19653ac2543aa629a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44342f1398c544b58fe488aaf7ed4e5ab727e66ed24a0de19653ac2543aa629a", kill_on_drop: false }`
[INFO] [stdout] 44342f1398c544b58fe488aaf7ed4e5ab727e66ed24a0de19653ac2543aa629a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86abbe226ac853aec6ec3aab219efe6c78b4af67fd86b914271c1fe2c0f911c5
[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" "86abbe226ac853aec6ec3aab219efe6c78b4af67fd86b914271c1fe2c0f911c5", kill_on_drop: false }`
[INFO] [stderr]     Checking pct-str v1.1.0
[INFO] [stderr]     Checking iref v1.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.62s
[INFO] running `Command { std: "docker" "inspect" "86abbe226ac853aec6ec3aab219efe6c78b4af67fd86b914271c1fe2c0f911c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86abbe226ac853aec6ec3aab219efe6c78b4af67fd86b914271c1fe2c0f911c5", kill_on_drop: false }`
[INFO] [stdout] 86abbe226ac853aec6ec3aab219efe6c78b4af67fd86b914271c1fe2c0f911c5