[INFO] fetching crate petrichor 0.1.1...
[INFO] checking petrichor-0.1.1 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate petrichor 0.1.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate petrichor 0.1.1 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate petrichor 0.1.1
[INFO] finished tweaking crates.io crate petrichor 0.1.1
[INFO] tweaked toml for crates.io crate petrichor 0.1.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e186bf88b2a68669969c8c85c298f6aeea21e3c5c9811de31bc9bc620f4fa278
[INFO] running `"docker" "start" "-a" "e186bf88b2a68669969c8c85c298f6aeea21e3c5c9811de31bc9bc620f4fa278"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]     Checking rocket v0.4.2
[INFO] [stderr]     Checking rocket_contrib v0.4.2
[INFO] [stderr]     Checking petrichor v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `rocket_contrib::json::Json`
[INFO] [stderr]  --> examples/calculator/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rocket_contrib::json::Json;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stderr]  --> examples/calculator/main.rs:9:13
[INFO] [stderr]   |
[INFO] [stderr] 9 | use serde::{Serialize, Deserialize};
[INFO] [stderr]   |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.84s
[INFO] running `"docker" "inspect" "e186bf88b2a68669969c8c85c298f6aeea21e3c5c9811de31bc9bc620f4fa278"`
[INFO] running `"docker" "rm" "-f" "e186bf88b2a68669969c8c85c298f6aeea21e3c5c9811de31bc9bc620f4fa278"`
[INFO] [stdout] e186bf88b2a68669969c8c85c298f6aeea21e3c5c9811de31bc9bc620f4fa278