[INFO] cloning repository https://github.com/mitchhentges/lcov-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mitchhentges/lcov-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmitchhentges%2Flcov-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmitchhentges%2Flcov-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 91156db347a6c35ecfb789db8672f1d0baae9df2
[INFO] testing mitchhentges/lcov-rs against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmitchhentges%2Flcov-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mitchhentges/lcov-rs on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mitchhentges/lcov-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d13bc3af46d00cd3a5fbaab6625a38c543dae888f46b71d23da47304a96a720d
[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" "d13bc3af46d00cd3a5fbaab6625a38c543dae888f46b71d23da47304a96a720d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d13bc3af46d00cd3a5fbaab6625a38c543dae888f46b71d23da47304a96a720d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d13bc3af46d00cd3a5fbaab6625a38c543dae888f46b71d23da47304a96a720d", kill_on_drop: false }`
[INFO] [stdout] d13bc3af46d00cd3a5fbaab6625a38c543dae888f46b71d23da47304a96a720d
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 996e38bfeb1d5c902371fca0a43098b4c23c82389269547cf4a71cb5c06db62c
[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" "996e38bfeb1d5c902371fca0a43098b4c23c82389269547cf4a71cb5c06db62c", kill_on_drop: false }`
[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] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:43:79
[INFO] [stdout]    |
[INFO] [stdout] 43 |             writeln!(std::io::stderr(), "Failed to open {}:{}", &gcno_path, e.description()).unwrap();
[INFO] [stdout]    |                                                                               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:152:79
[INFO] [stdout]     |
[INFO] [stdout] 152 |             writeln!(std::io::stderr(), "Failed to open {}:{}", &gcda_path, e.description()).unwrap();
[INFO] [stdout]     |                                                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tmp_output_path`
[INFO] [stdout]    --> src/main.rs:148:31
[INFO] [stdout]     |
[INFO] [stdout] 148 | fn read_gcda(gcda_path: &str, tmp_output_path: &str) {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tmp_output_path`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ARC_ON_TREE`
[INFO] [stdout]   --> src/main.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | const ARC_ON_TREE: u32 = 1 << 0;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `src_path`
[INFO] [stdout]    --> src/main.rs:384:5
[INFO] [stdout]     |
[INFO] [stdout] 384 |     src_path: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `functions`
[INFO] [stdout]    --> src/main.rs:385:5
[INFO] [stdout]     |
[INFO] [stdout] 385 |     functions: Vec<FunctionNotes>
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `identifier`
[INFO] [stdout]    --> src/main.rs:390:5
[INFO] [stdout]     |
[INFO] [stdout] 390 |     identifier: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `line_number_checksum`
[INFO] [stdout]    --> src/main.rs:391:5
[INFO] [stdout]     |
[INFO] [stdout] 391 |     line_number_checksum: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `config_checksum`
[INFO] [stdout]    --> src/main.rs:392:5
[INFO] [stdout]     |
[INFO] [stdout] 392 |     config_checksum: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]    --> src/main.rs:394:5
[INFO] [stdout]     |
[INFO] [stdout] 394 |     name: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `line_number`
[INFO] [stdout]    --> src/main.rs:395:5
[INFO] [stdout]     |
[INFO] [stdout] 395 |     line_number: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `destination_block`
[INFO] [stdout]    --> src/main.rs:407:5
[INFO] [stdout]     |
[INFO] [stdout] 407 |     destination_block: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `flags`
[INFO] [stdout]    --> src/main.rs:408:5
[INFO] [stdout]     |
[INFO] [stdout] 408 |     flags: u32,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_on_tree`
[INFO] [stdout]    --> src/main.rs:412:8
[INFO] [stdout]     |
[INFO] [stdout] 412 |     fn is_on_tree(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `line_number_checksum`
[INFO] [stdout]    --> src/main.rs:420:5
[INFO] [stdout]     |
[INFO] [stdout] 420 |     line_number_checksum: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `config_checksum`
[INFO] [stdout]    --> src/main.rs:421:5
[INFO] [stdout]     |
[INFO] [stdout] 421 |     config_checksum: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `function_id`
[INFO] [stdout]    --> src/main.rs:429:5
[INFO] [stdout]     |
[INFO] [stdout] 429 |     function_id: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `counts`
[INFO] [stdout]    --> src/main.rs:430:5
[INFO] [stdout]     |
[INFO] [stdout] 430 |     counts: Vec<u64>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `flags`
[INFO] [stdout]    --> src/main.rs:446:5
[INFO] [stdout]     |
[INFO] [stdout] 446 |     flags: u32
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `src_path`
[INFO] [stdout]    --> src/main.rs:451:5
[INFO] [stdout]     |
[INFO] [stdout] 451 |     src_path: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.43s
[INFO] running `Command { std: "docker" "inspect" "996e38bfeb1d5c902371fca0a43098b4c23c82389269547cf4a71cb5c06db62c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "996e38bfeb1d5c902371fca0a43098b4c23c82389269547cf4a71cb5c06db62c", kill_on_drop: false }`
[INFO] [stdout] 996e38bfeb1d5c902371fca0a43098b4c23c82389269547cf4a71cb5c06db62c
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a5dbb5e22986e28e92e4d501b79a3f116a91a79f374c002348a079e51dbf4f6
[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" "1a5dbb5e22986e28e92e4d501b79a3f116a91a79f374c002348a079e51dbf4f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling lcov-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:43:79
[INFO] [stdout]    |
[INFO] [stdout] 43 |             writeln!(std::io::stderr(), "Failed to open {}:{}", &gcno_path, e.description()).unwrap();
[INFO] [stdout]    |                                                                               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:152:79
[INFO] [stdout]     |
[INFO] [stdout] 152 |             writeln!(std::io::stderr(), "Failed to open {}:{}", &gcda_path, e.description()).unwrap();
[INFO] [stdout]     |                                                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tmp_output_path`
[INFO] [stdout]    --> src/main.rs:148:31
[INFO] [stdout]     |
[INFO] [stdout] 148 | fn read_gcda(gcda_path: &str, tmp_output_path: &str) {
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tmp_output_path`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ARC_ON_TREE`
[INFO] [stdout]   --> src/main.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | const ARC_ON_TREE: u32 = 1 << 0;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `src_path`
[INFO] [stdout]    --> src/main.rs:384:5
[INFO] [stdout]     |
[INFO] [stdout] 384 |     src_path: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `functions`
[INFO] [stdout]    --> src/main.rs:385:5
[INFO] [stdout]     |
[INFO] [stdout] 385 |     functions: Vec<FunctionNotes>
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `identifier`
[INFO] [stdout]    --> src/main.rs:390:5
[INFO] [stdout]     |
[INFO] [stdout] 390 |     identifier: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `line_number_checksum`
[INFO] [stdout]    --> src/main.rs:391:5
[INFO] [stdout]     |
[INFO] [stdout] 391 |     line_number_checksum: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `config_checksum`
[INFO] [stdout]    --> src/main.rs:392:5
[INFO] [stdout]     |
[INFO] [stdout] 392 |     config_checksum: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]    --> src/main.rs:394:5
[INFO] [stdout]     |
[INFO] [stdout] 394 |     name: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `line_number`
[INFO] [stdout]    --> src/main.rs:395:5
[INFO] [stdout]     |
[INFO] [stdout] 395 |     line_number: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `destination_block`
[INFO] [stdout]    --> src/main.rs:407:5
[INFO] [stdout]     |
[INFO] [stdout] 407 |     destination_block: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `flags`
[INFO] [stdout]    --> src/main.rs:408:5
[INFO] [stdout]     |
[INFO] [stdout] 408 |     flags: u32,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_on_tree`
[INFO] [stdout]    --> src/main.rs:412:8
[INFO] [stdout]     |
[INFO] [stdout] 412 |     fn is_on_tree(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `line_number_checksum`
[INFO] [stdout]    --> src/main.rs:420:5
[INFO] [stdout]     |
[INFO] [stdout] 420 |     line_number_checksum: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `config_checksum`
[INFO] [stdout]    --> src/main.rs:421:5
[INFO] [stdout]     |
[INFO] [stdout] 421 |     config_checksum: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `function_id`
[INFO] [stdout]    --> src/main.rs:429:5
[INFO] [stdout]     |
[INFO] [stdout] 429 |     function_id: u32,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `counts`
[INFO] [stdout]    --> src/main.rs:430:5
[INFO] [stdout]     |
[INFO] [stdout] 430 |     counts: Vec<u64>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `flags`
[INFO] [stdout]    --> src/main.rs:446:5
[INFO] [stdout]     |
[INFO] [stdout] 446 |     flags: u32
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `src_path`
[INFO] [stdout]    --> src/main.rs:451:5
[INFO] [stdout]     |
[INFO] [stdout] 451 |     src_path: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "1a5dbb5e22986e28e92e4d501b79a3f116a91a79f374c002348a079e51dbf4f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a5dbb5e22986e28e92e4d501b79a3f116a91a79f374c002348a079e51dbf4f6", kill_on_drop: false }`
[INFO] [stdout] 1a5dbb5e22986e28e92e4d501b79a3f116a91a79f374c002348a079e51dbf4f6
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cdcb59a644dc7e3b3a9f2a7e4710cb62d63b90c7401107b53d0755c4e1b990b4
[INFO] running `Command { std: "docker" "start" "-a" "cdcb59a644dc7e3b3a9f2a7e4710cb62d63b90c7401107b53d0755c4e1b990b4", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `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 associated function `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 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: field is never read: `src_path`
[INFO] [stderr]    --> src/main.rs:384:5
[INFO] [stderr]     |
[INFO] [stderr] 384 |     src_path: String,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `functions`
[INFO] [stderr]    --> src/main.rs:385:5
[INFO] [stderr]     |
[INFO] [stderr] 385 |     functions: Vec<FunctionNotes>
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `identifier`
[INFO] [stderr]    --> src/main.rs:390:5
[INFO] [stderr]     |
[INFO] [stderr] 390 |     identifier: u32,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `line_number_checksum`
[INFO] [stderr]    --> src/main.rs:391:5
[INFO] [stderr]     |
[INFO] [stderr] 391 |     line_number_checksum: u32,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `config_checksum`
[INFO] [stderr]    --> src/main.rs:392:5
[INFO] [stderr]     |
[INFO] [stderr] 392 |     config_checksum: u32,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]    --> src/main.rs:394:5
[INFO] [stderr]     |
[INFO] [stderr] 394 |     name: String,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `line_number`
[INFO] [stderr]    --> src/main.rs:395:5
[INFO] [stderr]     |
[INFO] [stderr] 395 |     line_number: u32,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `destination_block`
[INFO] [stderr]    --> src/main.rs:407:5
[INFO] [stderr]     |
[INFO] [stderr] 407 |     destination_block: u32,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `flags`
[INFO] [stderr]    --> src/main.rs:408:5
[INFO] [stderr]     |
[INFO] [stderr] 408 |     flags: u32,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_on_tree`
[INFO] [stderr]    --> src/main.rs:412:8
[INFO] [stderr]     |
[INFO] [stderr] 412 |     fn is_on_tree(&self) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `line_number_checksum`
[INFO] [stderr]    --> src/main.rs:420:5
[INFO] [stderr]     |
[INFO] [stderr] 420 |     line_number_checksum: u32,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `config_checksum`
[INFO] [stderr]    --> src/main.rs:421:5
[INFO] [stderr]     |
[INFO] [stderr] 421 |     config_checksum: u32,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `function_id`
[INFO] [stderr]    --> src/main.rs:429:5
[INFO] [stderr]     |
[INFO] [stderr] 429 |     function_id: u32,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `counts`
[INFO] [stderr]    --> src/main.rs:430:5
[INFO] [stderr]     |
[INFO] [stderr] 430 |     counts: Vec<u64>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `flags`
[INFO] [stderr]    --> src/main.rs:446:5
[INFO] [stderr]     |
[INFO] [stderr] 446 |     flags: u32
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `src_path`
[INFO] [stderr]    --> src/main.rs:451:5
[INFO] [stderr]     |
[INFO] [stderr] 451 |     src_path: String,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `lcov-rs` (bin "lcov-rs" test) generated 20 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lcov_rs-5ce6799857c52ba1)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cdcb59a644dc7e3b3a9f2a7e4710cb62d63b90c7401107b53d0755c4e1b990b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdcb59a644dc7e3b3a9f2a7e4710cb62d63b90c7401107b53d0755c4e1b990b4", kill_on_drop: false }`
[INFO] [stdout] cdcb59a644dc7e3b3a9f2a7e4710cb62d63b90c7401107b53d0755c4e1b990b4