[INFO] updating cached repository https://github.com/holyshared/lcov-tool
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fecc2c7eff95cc2c0d897c7f4a66a67e8c4866f7
[INFO] checking holyshared/lcov-tool against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fholyshared%2Flcov-tool" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/holyshared/lcov-tool on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/holyshared/lcov-tool
[INFO] finished tweaking git repo https://github.com/holyshared/lcov-tool
[INFO] tweaked toml for git repo https://github.com/holyshared/lcov-tool written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/holyshared/lcov-tool already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "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] b66fa4a0cf0bd1b8e89e878b55017dedfe91074fe25b93241a3d9ce9170df642
[INFO] running `"docker" "start" "-a" "b66fa4a0cf0bd1b8e89e878b55017dedfe91074fe25b93241a3d9ce9170df642"`
[INFO] [stderr]     Checking unicode-segmentation v0.1.2
[INFO] [stderr]     Checking combine v1.3.0
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stderr]     Checking clap v2.14.0
[INFO] [stderr]     Checking lcov-parser v2.0.0
[INFO] [stderr]     Checking lcov-tool v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/report.rs:27:21
[INFO] [stderr]    |
[INFO] [stderr] 27 |             let _ = try!(write!(f, "{}", file));
[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/command/coverage/parser.rs:26:22
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let parser = try!(LCOVParser::from_file(path));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/coverage/parser.rs:31:26
[INFO] [stderr]    |
[INFO] [stderr] 31 |             let result = try!(self.parser.next());
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/coverage/mod.rs:61:22
[INFO] [stderr]    |
[INFO] [stderr] 61 |     let mut parser = try!(ReportParser::from_file(report_file));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/coverage/mod.rs:62:18
[INFO] [stderr]    |
[INFO] [stderr] 62 |     let report = try!(parser.parse());
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:49:40
[INFO] [stderr]    |
[INFO] [stderr] 49 |         ("coverage", Some(args)) => Ok(try!(coverage_action(args))),
[INFO] [stderr]    |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/report.rs:27:21
[INFO] [stderr]    |
[INFO] [stderr] 27 |             let _ = try!(write!(f, "{}", file));
[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/command/coverage/parser.rs:26:22
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let parser = try!(LCOVParser::from_file(path));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/coverage/parser.rs:31:26
[INFO] [stderr]    |
[INFO] [stderr] 31 |             let result = try!(self.parser.next());
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/coverage/mod.rs:61:22
[INFO] [stderr]    |
[INFO] [stderr] 61 |     let mut parser = try!(ReportParser::from_file(report_file));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/command/coverage/mod.rs:62:18
[INFO] [stderr]    |
[INFO] [stderr] 62 |     let report = try!(parser.parse());
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:49:40
[INFO] [stderr]    |
[INFO] [stderr] 49 |         ("coverage", Some(args)) => Ok(try!(coverage_action(args))),
[INFO] [stderr]    |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.88s
[INFO] running `"docker" "inspect" "b66fa4a0cf0bd1b8e89e878b55017dedfe91074fe25b93241a3d9ce9170df642"`
[INFO] running `"docker" "rm" "-f" "b66fa4a0cf0bd1b8e89e878b55017dedfe91074fe25b93241a3d9ce9170df642"`
[INFO] [stdout] b66fa4a0cf0bd1b8e89e878b55017dedfe91074fe25b93241a3d9ce9170df642