[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 master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathanwhyte%2Flatex-title-generator" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nathanwhyte/latex-title-generator on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-12/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" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", 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] a1f680b302adf262b68a7cc1e8ad91cda797ae8544daf1c278de42ec9ff92aa0
[INFO] running `Command { std: "docker" "start" "-a" "a1f680b302adf262b68a7cc1e8ad91cda797ae8544daf1c278de42ec9ff92aa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1f680b302adf262b68a7cc1e8ad91cda797ae8544daf1c278de42ec9ff92aa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1f680b302adf262b68a7cc1e8ad91cda797ae8544daf1c278de42ec9ff92aa0", kill_on_drop: false }`
[INFO] [stdout] a1f680b302adf262b68a7cc1e8ad91cda797ae8544daf1c278de42ec9ff92aa0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0e27582d1d3b565f6312e6af672b23d8edd282ce91cad13c3ef50a1f865d25e
[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" "c0e27582d1d3b565f6312e6af672b23d8edd282ce91cad13c3ef50a1f865d25e", 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 3.22s
[INFO] running `Command { std: "docker" "inspect" "c0e27582d1d3b565f6312e6af672b23d8edd282ce91cad13c3ef50a1f865d25e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0e27582d1d3b565f6312e6af672b23d8edd282ce91cad13c3ef50a1f865d25e", kill_on_drop: false }`
[INFO] [stdout] c0e27582d1d3b565f6312e6af672b23d8edd282ce91cad13c3ef50a1f865d25e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c90685d94a9446d416d0fd438fc9ecfac90c33cefe15ee5b9f1f45f1f33db8eb
[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" "c90685d94a9446d416d0fd438fc9ecfac90c33cefe15ee5b9f1f45f1f33db8eb", 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 0.69s
[INFO] running `Command { std: "docker" "inspect" "c90685d94a9446d416d0fd438fc9ecfac90c33cefe15ee5b9f1f45f1f33db8eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c90685d94a9446d416d0fd438fc9ecfac90c33cefe15ee5b9f1f45f1f33db8eb", kill_on_drop: false }`
[INFO] [stdout] c90685d94a9446d416d0fd438fc9ecfac90c33cefe15ee5b9f1f45f1f33db8eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6a730eaf28cc5f8937329402fcc4ef944c1314d60ed9dc5304e00f135b39fec6
[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" "6a730eaf28cc5f8937329402fcc4ef944c1314d60ed9dc5304e00f135b39fec6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 0.71s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/latex_title_generator-6523c3ebb8e00f40)
[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" "6a730eaf28cc5f8937329402fcc4ef944c1314d60ed9dc5304e00f135b39fec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a730eaf28cc5f8937329402fcc4ef944c1314d60ed9dc5304e00f135b39fec6", kill_on_drop: false }`
[INFO] [stdout] 6a730eaf28cc5f8937329402fcc4ef944c1314d60ed9dc5304e00f135b39fec6