[INFO] fetching crate lp-modeler 0.3.2...
[INFO] checking lp-modeler-0.3.2 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate lp-modeler 0.3.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate lp-modeler 0.3.2 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate lp-modeler 0.3.2
[INFO] finished tweaking crates.io crate lp-modeler 0.3.2
[INFO] tweaked toml for crates.io crate lp-modeler 0.3.2 written to /workspace/builds/worker-11/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-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" "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] c67edd585651e8e92f492b28f4aac703a93143125f2115842f30f50906a92874
[INFO] running `"docker" "start" "-a" "c67edd585651e8e92f492b28f4aac703a93143125f2115842f30f50906a92874"`
[INFO] [stderr]     Checking lp-modeler v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/problem.rs:119:26
[INFO] [stderr]     |
[INFO] [stderr] 119 |         let mut buffer = try!(File::create(file_model));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/problem.rs:120:9
[INFO] [stderr]     |
[INFO] [stderr] 120 |         try!(buffer.write(self.to_lp_file_format().as_bytes()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/solvers.rs:86:27
[INFO] [stderr]    |
[INFO] [stderr] 86 |                 let res = try!(read_specific_solution(&f));
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/solvers.rs:144:27
[INFO] [stderr]     |
[INFO] [stderr] 144 |                 let res = try!(read_specific_solution(&f));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/solvers.rs:226:27
[INFO] [stderr]     |
[INFO] [stderr] 226 |                 let res = try!(read_specific_solution(&f));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/solvers.rs:251:44
[INFO] [stderr]     |
[INFO] [stderr] 251 | ...                   let (_, res) = try!(self.read_solution());
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/problem.rs:119:26
[INFO] [stderr]     |
[INFO] [stderr] 119 |         let mut buffer = try!(File::create(file_model));
[INFO] [stderr]     |                          ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/problem.rs:120:9
[INFO] [stderr]     |
[INFO] [stderr] 120 |         try!(buffer.write(self.to_lp_file_format().as_bytes()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/solvers.rs:86:27
[INFO] [stderr]    |
[INFO] [stderr] 86 |                 let res = try!(read_specific_solution(&f));
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/solvers.rs:144:27
[INFO] [stderr]     |
[INFO] [stderr] 144 |                 let res = try!(read_specific_solution(&f));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/solvers.rs:226:27
[INFO] [stderr]     |
[INFO] [stderr] 226 |                 let res = try!(read_specific_solution(&f));
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/solvers.rs:251:44
[INFO] [stderr]     |
[INFO] [stderr] 251 | ...                   let (_, res) = try!(self.read_solution());
[INFO] [stderr]     |                                      ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `"docker" "inspect" "c67edd585651e8e92f492b28f4aac703a93143125f2115842f30f50906a92874"`
[INFO] running `"docker" "rm" "-f" "c67edd585651e8e92f492b28f4aac703a93143125f2115842f30f50906a92874"`
[INFO] [stdout] c67edd585651e8e92f492b28f4aac703a93143125f2115842f30f50906a92874