[INFO] crate rtable 0.2.1 is already in cache
[INFO] checking rtable-0.2.1 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate rtable 0.2.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rtable 0.2.1 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rtable 0.2.1
[INFO] finished tweaking crates.io crate rtable 0.2.1
[INFO] tweaked toml for crates.io crate rtable 0.2.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 61f988e1d5350d602eb04efcc3fbba7cf2c6fa8f05fb5152243b5b2891bf7307
[INFO] running `"docker" "start" "-a" "61f988e1d5350d602eb04efcc3fbba7cf2c6fa8f05fb5152243b5b2891bf7307"`
[INFO] [stderr]     Checking rtable v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/prefix.rs:470:28
[INFO] [stderr]     |
[INFO] [stderr] 470 |         fmt.write_str(self.description())
[INFO] [stderr]     |                            ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/prefix.rs:470:28
[INFO] [stderr]     |
[INFO] [stderr] 470 |         fmt.write_str(self.description())
[INFO] [stderr]     |                            ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]    --> src/prefix.rs:592:42
[INFO] [stderr]     |
[INFO] [stderr] 592 |         let v: Vec<_> = map.iter().map(|(k, v)| v).collect();
[INFO] [stderr]     |                                          ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p6`
[INFO] [stderr]    --> src/prefix.rs:566:13
[INFO] [stderr]     |
[INFO] [stderr] 566 |         let p6 = Prefix::<Ipv4Addr>::from_common(&p4, &p5);
[INFO] [stderr]     |             ^^ help: if this is intentional, prefix it with an underscore: `_p6`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `"docker" "inspect" "61f988e1d5350d602eb04efcc3fbba7cf2c6fa8f05fb5152243b5b2891bf7307"`
[INFO] running `"docker" "rm" "-f" "61f988e1d5350d602eb04efcc3fbba7cf2c6fa8f05fb5152243b5b2891bf7307"`
[INFO] [stdout] 61f988e1d5350d602eb04efcc3fbba7cf2c6fa8f05fb5152243b5b2891bf7307