[INFO] fetching crate pest 2.1.3...
[INFO] checking pest-2.1.3 against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] extracting crate pest 2.1.3 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate pest 2.1.3 on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pest 2.1.3
[INFO] finished tweaking crates.io crate pest 2.1.3
[INFO] tweaked toml for crates.io crate pest 2.1.3 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate pest 2.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "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] f1e14c35db44754aa1ec3342ea889b1c448180c9c69b7e2558613ad345fe5b59
[INFO] running `Command { std: "docker" "start" "-a" "f1e14c35db44754aa1ec3342ea889b1c448180c9c69b7e2558613ad345fe5b59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1e14c35db44754aa1ec3342ea889b1c448180c9c69b7e2558613ad345fe5b59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1e14c35db44754aa1ec3342ea889b1c448180c9c69b7e2558613ad345fe5b59", kill_on_drop: false }`
[INFO] [stdout] f1e14c35db44754aa1ec3342ea889b1c448180c9c69b7e2558613ad345fe5b59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45b36fc86967e248123133ce078e594571e5f0005bffa64b8a0f69ccf80368a8
[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" "45b36fc86967e248123133ce078e594571e5f0005bffa64b8a0f69ccf80368a8", kill_on_drop: false }`
[INFO] [stderr]     Checking ucd-trie v0.1.2
[INFO] [stderr]     Checking pest v2.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `std::cmp::Ord::cmp` that must be used
[INFO] [stdout]    --> src/position.rs:608:9
[INFO] [stdout]     |
[INFO] [stdout] 608 |         pos1.cmp(&pos2);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.07s
[INFO] running `Command { std: "docker" "inspect" "45b36fc86967e248123133ce078e594571e5f0005bffa64b8a0f69ccf80368a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45b36fc86967e248123133ce078e594571e5f0005bffa64b8a0f69ccf80368a8", kill_on_drop: false }`
[INFO] [stdout] 45b36fc86967e248123133ce078e594571e5f0005bffa64b8a0f69ccf80368a8