[INFO] crate obstack 0.1.3 is already in cache
[INFO] checking obstack-0.1.3 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate obstack 0.1.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate obstack 0.1.3 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate obstack 0.1.3
[INFO] finished tweaking crates.io crate obstack 0.1.3
[INFO] tweaked toml for crates.io crate obstack 0.1.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 117b446a7f214dc46277b55e767e999ac003ebc571a2a4ec0eb96897f73892cf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "117b446a7f214dc46277b55e767e999ac003ebc571a2a4ec0eb96897f73892cf"`
[INFO] [stderr]     Checking obstack v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the item `ToString` is imported redundantly
[INFO] [stderr]   --> benches/bench.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |     use std::string::ToString;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `ToString` is imported redundantly
[INFO] [stderr]    --> benches/bench.rs:113:9
[INFO] [stderr]     |
[INFO] [stderr] 113 |     use std::string::ToString;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "117b446a7f214dc46277b55e767e999ac003ebc571a2a4ec0eb96897f73892cf"`
[INFO] running `"docker" "rm" "-f" "117b446a7f214dc46277b55e767e999ac003ebc571a2a4ec0eb96897f73892cf"`
[INFO] [stdout] 117b446a7f214dc46277b55e767e999ac003ebc571a2a4ec0eb96897f73892cf
