[INFO] cloning repository https://github.com/nathanwhyte/latex-title-generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nathanwhyte/latex-title-generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathanwhyte%2Flatex-title-generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathanwhyte%2Flatex-title-generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b904f44c372f8dbb1cf2b612028e6087561bbac1
[INFO] testing nathanwhyte/latex-title-generator against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathanwhyte%2Flatex-title-generator" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nathanwhyte/latex-title-generator on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nathanwhyte/latex-title-generator
[INFO] finished tweaking git repo https://github.com/nathanwhyte/latex-title-generator
[INFO] tweaked toml for git repo https://github.com/nathanwhyte/latex-title-generator written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/nathanwhyte/latex-title-generator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 247700bce9af68bd2892a0b074918d0fb97c7bbe66b0dbbf70b076c1ad5d45be
[INFO] running `Command { std: "docker" "start" "-a" "247700bce9af68bd2892a0b074918d0fb97c7bbe66b0dbbf70b076c1ad5d45be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "247700bce9af68bd2892a0b074918d0fb97c7bbe66b0dbbf70b076c1ad5d45be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "247700bce9af68bd2892a0b074918d0fb97c7bbe66b0dbbf70b076c1ad5d45be", kill_on_drop: false }`
[INFO] [stdout] 247700bce9af68bd2892a0b074918d0fb97c7bbe66b0dbbf70b076c1ad5d45be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a061e622f14d2c035bcce2f0dfbc6d822a5677654f2aee72ad818cf332eb92e
[INFO] running `Command { std: "docker" "start" "-a" "8a061e622f14d2c035bcce2f0dfbc6d822a5677654f2aee72ad818cf332eb92e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling latex-title-generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `open_file`
[INFO] [stdout]   --> src/files.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn open_file(given_path: &str) -> File {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_lines`
[INFO] [stdout]   --> src/files.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn read_lines(file: File) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.20s
[INFO] running `Command { std: "docker" "inspect" "8a061e622f14d2c035bcce2f0dfbc6d822a5677654f2aee72ad818cf332eb92e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a061e622f14d2c035bcce2f0dfbc6d822a5677654f2aee72ad818cf332eb92e", kill_on_drop: false }`
[INFO] [stdout] 8a061e622f14d2c035bcce2f0dfbc6d822a5677654f2aee72ad818cf332eb92e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6c4515aa6c88e79969b77b88209bd6e8df0fb30ee84f94a98d551b89f62a303
[INFO] running `Command { std: "docker" "start" "-a" "e6c4515aa6c88e79969b77b88209bd6e8df0fb30ee84f94a98d551b89f62a303", kill_on_drop: false }`
[INFO] [stderr]    Compiling latex-title-generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `open_file`
[INFO] [stdout]   --> src/files.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn open_file(given_path: &str) -> File {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_lines`
[INFO] [stdout]   --> src/files.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn read_lines(file: File) -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "e6c4515aa6c88e79969b77b88209bd6e8df0fb30ee84f94a98d551b89f62a303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6c4515aa6c88e79969b77b88209bd6e8df0fb30ee84f94a98d551b89f62a303", kill_on_drop: false }`
[INFO] [stdout] e6c4515aa6c88e79969b77b88209bd6e8df0fb30ee84f94a98d551b89f62a303
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8154e944c7f155a253fca9404d7742a37d4621a078bbb27d22178a158e405b22
[INFO] running `Command { std: "docker" "start" "-a" "8154e944c7f155a253fca9404d7742a37d4621a078bbb27d22178a158e405b22", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `open_file`
[INFO] [stderr]   --> src/files.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub fn open_file(given_path: &str) -> File {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_lines`
[INFO] [stderr]   --> src/files.rs:46:8
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub fn read_lines(file: File) -> Vec<String> {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `latex-title-generator` (bin "latex-title-generator" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/latex_title_generator-e312b21bf7a301d4)
[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" "8154e944c7f155a253fca9404d7742a37d4621a078bbb27d22178a158e405b22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8154e944c7f155a253fca9404d7742a37d4621a078bbb27d22178a158e405b22", kill_on_drop: false }`
[INFO] [stdout] 8154e944c7f155a253fca9404d7742a37d4621a078bbb27d22178a158e405b22