[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] checking nathanwhyte/latex-title-generator against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathanwhyte%2Flatex-title-generator" "/workspace/builds/worker-84/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-84/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nathanwhyte/latex-title-generator on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-84/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d198614c11a49ceda61d4aadb052d857229e8cbe57576c75f06845f251c0a8ca
[INFO] running `Command { std: "docker" "start" "-a" "d198614c11a49ceda61d4aadb052d857229e8cbe57576c75f06845f251c0a8ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d198614c11a49ceda61d4aadb052d857229e8cbe57576c75f06845f251c0a8ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d198614c11a49ceda61d4aadb052d857229e8cbe57576c75f06845f251c0a8ca", kill_on_drop: false }`
[INFO] [stdout] d198614c11a49ceda61d4aadb052d857229e8cbe57576c75f06845f251c0a8ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07d01451f0e3b57773a48e347124ecd54c34772123860d850fd076e4e66a1f06
[INFO] running `Command { std: "docker" "start" "-a" "07d01451f0e3b57773a48e347124ecd54c34772123860d850fd076e4e66a1f06", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking 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: 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] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.18s
[INFO] running `Command { std: "docker" "inspect" "07d01451f0e3b57773a48e347124ecd54c34772123860d850fd076e4e66a1f06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07d01451f0e3b57773a48e347124ecd54c34772123860d850fd076e4e66a1f06", kill_on_drop: false }`
[INFO] [stdout] 07d01451f0e3b57773a48e347124ecd54c34772123860d850fd076e4e66a1f06