[INFO] fetching crate lcov-tool 0.1.5...
[INFO] checking lcov-tool-0.1.5 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate lcov-tool 0.1.5 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate lcov-tool 0.1.5 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lcov-tool 0.1.5
[INFO] finished tweaking crates.io crate lcov-tool 0.1.5
[INFO] tweaked toml for crates.io crate lcov-tool 0.1.5 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb7aa2e04ae947d9b9f8b9424e7e058dcc7b030da1daf198c4ae1d87770a569f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fb7aa2e04ae947d9b9f8b9424e7e058dcc7b030da1daf198c4ae1d87770a569f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb7aa2e04ae947d9b9f8b9424e7e058dcc7b030da1daf198c4ae1d87770a569f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb7aa2e04ae947d9b9f8b9424e7e058dcc7b030da1daf198c4ae1d87770a569f", kill_on_drop: false }`
[INFO] [stdout] fb7aa2e04ae947d9b9f8b9424e7e058dcc7b030da1daf198c4ae1d87770a569f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07eed2906ab76dab1c359247f33af319da0cfdc19546ca07d23daa2ac9b66e7f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "07eed2906ab76dab1c359247f33af319da0cfdc19546ca07d23daa2ac9b66e7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking combine v2.5.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking lcov-parser v2.1.1
[INFO] [stderr]     Checking lcov-tool v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/report.rs:27:21
[INFO] [stdout]    |
[INFO] [stdout] 27 |             let _ = try!(write!(f, "{}", file));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/command/coverage/parser.rs:26:22
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let parser = try!(LCOVParser::from_file(path));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/command/coverage/parser.rs:31:26
[INFO] [stdout]    |
[INFO] [stdout] 31 |             let result = try!(self.parser.next());
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/command/coverage/mod.rs:61:22
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let mut parser = try!(ReportParser::from_file(report_file));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/command/coverage/mod.rs:62:18
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let report = try!(parser.parse());
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:49:40
[INFO] [stdout]    |
[INFO] [stdout] 49 |         ("coverage", Some(args)) => Ok(try!(coverage_action(args))),
[INFO] [stdout]    |                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/report.rs:27:21
[INFO] [stdout]    |
[INFO] [stdout] 27 |             let _ = try!(write!(f, "{}", file));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/command/coverage/parser.rs:26:22
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let parser = try!(LCOVParser::from_file(path));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/command/coverage/parser.rs:31:26
[INFO] [stdout]    |
[INFO] [stdout] 31 |             let result = try!(self.parser.next());
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/command/coverage/mod.rs:61:22
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let mut parser = try!(ReportParser::from_file(report_file));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/command/coverage/mod.rs:62:18
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let report = try!(parser.parse());
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:49:40
[INFO] [stdout]    |
[INFO] [stdout] 49 |         ("coverage", Some(args)) => Ok(try!(coverage_action(args))),
[INFO] [stdout]    |                                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.16s
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "07eed2906ab76dab1c359247f33af319da0cfdc19546ca07d23daa2ac9b66e7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07eed2906ab76dab1c359247f33af319da0cfdc19546ca07d23daa2ac9b66e7f", kill_on_drop: false }`
[INFO] [stdout] 07eed2906ab76dab1c359247f33af319da0cfdc19546ca07d23daa2ac9b66e7f