[INFO] fetching crate lcov-tool 0.1.5...
[INFO] checking lcov-tool-0.1.5 against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] extracting crate lcov-tool 0.1.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate lcov-tool 0.1.5 on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", 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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded combine v2.5.2
[INFO] [stderr]   Downloaded lcov-parser v2.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abc620fb9f5c425d5f5925d50a5e2a65eb7daaa8031a74804e8ab470a4dcde27
[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" "abc620fb9f5c425d5f5925d50a5e2a65eb7daaa8031a74804e8ab470a4dcde27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abc620fb9f5c425d5f5925d50a5e2a65eb7daaa8031a74804e8ab470a4dcde27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abc620fb9f5c425d5f5925d50a5e2a65eb7daaa8031a74804e8ab470a4dcde27", kill_on_drop: false }`
[INFO] [stdout] abc620fb9f5c425d5f5925d50a5e2a65eb7daaa8031a74804e8ab470a4dcde27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 532d0379efaa0d361e7309210812f8b75fbb20f6fda14d8140e5fe5c1dfa17fd
[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" "532d0379efaa0d361e7309210812f8b75fbb20f6fda14d8140e5fe5c1dfa17fd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]     Checking combine v2.5.2
[INFO] [stderr]     Checking atty v0.2.14
[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] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.55s
[INFO] running `Command { std: "docker" "inspect" "532d0379efaa0d361e7309210812f8b75fbb20f6fda14d8140e5fe5c1dfa17fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "532d0379efaa0d361e7309210812f8b75fbb20f6fda14d8140e5fe5c1dfa17fd", kill_on_drop: false }`
[INFO] [stdout] 532d0379efaa0d361e7309210812f8b75fbb20f6fda14d8140e5fe5c1dfa17fd