[INFO] fetching crate lcov-tool 0.1.5...
[INFO] checking lcov-tool-0.1.5 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate lcov-tool 0.1.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate lcov-tool 0.1.5 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lcov-parser v2.1.1
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d7789393f786bf5e92ed1fd189f86a575a68a1b46a093b28a94461768b6a227
[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" "8d7789393f786bf5e92ed1fd189f86a575a68a1b46a093b28a94461768b6a227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d7789393f786bf5e92ed1fd189f86a575a68a1b46a093b28a94461768b6a227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d7789393f786bf5e92ed1fd189f86a575a68a1b46a093b28a94461768b6a227", kill_on_drop: false }`
[INFO] [stdout] 8d7789393f786bf5e92ed1fd189f86a575a68a1b46a093b28a94461768b6a227
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ab88bfb8277c429b42154f410a39d272d531a3c8c00bee4a85887706f29681e
[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" "0ab88bfb8277c429b42154f410a39d272d531a3c8c00bee4a85887706f29681e", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking textwrap v0.11.0
[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] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.59s
[INFO] running `Command { std: "docker" "inspect" "0ab88bfb8277c429b42154f410a39d272d531a3c8c00bee4a85887706f29681e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ab88bfb8277c429b42154f410a39d272d531a3c8c00bee4a85887706f29681e", kill_on_drop: false }`
[INFO] [stdout] 0ab88bfb8277c429b42154f410a39d272d531a3c8c00bee4a85887706f29681e