[INFO] updating cached repository https://github.com/mitchhentges/lcov-rs
[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] 91156db347a6c35ecfb789db8672f1d0baae9df2
[INFO] testing mitchhentges/lcov-rs against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmitchhentges%2Flcov-rs" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mitchhentges/lcov-rs on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mitchhentges/lcov-rs
[INFO] finished tweaking git repo https://github.com/mitchhentges/lcov-rs
[INFO] tweaked toml for git repo https://github.com/mitchhentges/lcov-rs written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/mitchhentges/lcov-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stdout] 864843c19cb7aa105401b18b8e63b16f97dfc8a039cce4cd7035e1dad3fbf278
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "864843c19cb7aa105401b18b8e63b16f97dfc8a039cce4cd7035e1dad3fbf278"`
[INFO] [stderr]    Compiling either v1.1.0
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling lcov-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:43:79
[INFO] [stderr]    |
[INFO] [stderr] 43 |             writeln!(std::io::stderr(), "Failed to open {}:{}", &gcno_path, e.description()).unwrap();
[INFO] [stderr]    |                                                                               ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/main.rs:152:79
[INFO] [stderr]     |
[INFO] [stderr] 152 |             writeln!(std::io::stderr(), "Failed to open {}:{}", &gcda_path, e.description()).unwrap();
[INFO] [stderr]     |                                                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tmp_output_path`
[INFO] [stderr]    --> src/main.rs:148:31
[INFO] [stderr]     |
[INFO] [stderr] 148 | fn read_gcda(gcda_path: &str, tmp_output_path: &str) {
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tmp_output_path`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `ARC_ON_TREE`
[INFO] [stderr]   --> src/main.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | const ARC_ON_TREE: u32 = 1 << 0;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_on_tree`
[INFO] [stderr]    --> src/main.rs:412:5
[INFO] [stderr]     |
[INFO] [stderr] 412 |     fn is_on_tree(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.11s
[INFO] running `"docker" "inspect" "864843c19cb7aa105401b18b8e63b16f97dfc8a039cce4cd7035e1dad3fbf278"`
[INFO] running `"docker" "rm" "-f" "864843c19cb7aa105401b18b8e63b16f97dfc8a039cce4cd7035e1dad3fbf278"`
[INFO] [stdout] 864843c19cb7aa105401b18b8e63b16f97dfc8a039cce4cd7035e1dad3fbf278
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stdout] 27bb9d4a2dd3025d7b76bc582eb5f28266e4d04bdcf76a3155d4aaa7c7f50ce3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "27bb9d4a2dd3025d7b76bc582eb5f28266e4d04bdcf76a3155d4aaa7c7f50ce3"`
[INFO] [stderr]    Compiling lcov-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:43:79
[INFO] [stderr]    |
[INFO] [stderr] 43 |             writeln!(std::io::stderr(), "Failed to open {}:{}", &gcno_path, e.description()).unwrap();
[INFO] [stderr]    |                                                                               ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/main.rs:152:79
[INFO] [stderr]     |
[INFO] [stderr] 152 |             writeln!(std::io::stderr(), "Failed to open {}:{}", &gcda_path, e.description()).unwrap();
[INFO] [stderr]     |                                                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tmp_output_path`
[INFO] [stderr]    --> src/main.rs:148:31
[INFO] [stderr]     |
[INFO] [stderr] 148 | fn read_gcda(gcda_path: &str, tmp_output_path: &str) {
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tmp_output_path`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `ARC_ON_TREE`
[INFO] [stderr]   --> src/main.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | const ARC_ON_TREE: u32 = 1 << 0;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_on_tree`
[INFO] [stderr]    --> src/main.rs:412:5
[INFO] [stderr]     |
[INFO] [stderr] 412 |     fn is_on_tree(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "27bb9d4a2dd3025d7b76bc582eb5f28266e4d04bdcf76a3155d4aaa7c7f50ce3"`
[INFO] running `"docker" "rm" "-f" "27bb9d4a2dd3025d7b76bc582eb5f28266e4d04bdcf76a3155d4aaa7c7f50ce3"`
[INFO] [stdout] 27bb9d4a2dd3025d7b76bc582eb5f28266e4d04bdcf76a3155d4aaa7c7f50ce3
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c3d020aca504a1179f6a4261e31cb829488b5e2804b9e8b2e985d74df62c40b0
[INFO] running `"docker" "start" "-a" "c3d020aca504a1179f6a4261e31cb829488b5e2804b9e8b2e985d74df62c40b0"`
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:43:79
[INFO] [stderr]    |
[INFO] [stderr] 43 |             writeln!(std::io::stderr(), "Failed to open {}:{}", &gcno_path, e.description()).unwrap();
[INFO] [stderr]    |                                                                               ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]    --> src/main.rs:152:79
[INFO] [stderr]     |
[INFO] [stderr] 152 |             writeln!(std::io::stderr(), "Failed to open {}:{}", &gcda_path, e.description()).unwrap();
[INFO] [stderr]     |                                                                               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tmp_output_path`
[INFO] [stderr]    --> src/main.rs:148:31
[INFO] [stderr]     |
[INFO] [stderr] 148 | fn read_gcda(gcda_path: &str, tmp_output_path: &str) {
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tmp_output_path`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `ARC_ON_TREE`
[INFO] [stderr]   --> src/main.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | const ARC_ON_TREE: u32 = 1 << 0;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_on_tree`
[INFO] [stderr]    --> src/main.rs:412:5
[INFO] [stderr]     |
[INFO] [stderr] 412 |     fn is_on_tree(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lcov_rs-951f2c1d49484691
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c3d020aca504a1179f6a4261e31cb829488b5e2804b9e8b2e985d74df62c40b0"`
[INFO] running `"docker" "rm" "-f" "c3d020aca504a1179f6a4261e31cb829488b5e2804b9e8b2e985d74df62c40b0"`
[INFO] [stdout] c3d020aca504a1179f6a4261e31cb829488b5e2804b9e8b2e985d74df62c40b0