[INFO] cloning repository https://github.com/nick1udwig/pdf-to-text
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nick1udwig/pdf-to-text" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnick1udwig%2Fpdf-to-text", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnick1udwig%2Fpdf-to-text'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c775107da1f09ed8119f06d297db3a8ed9bda99
[INFO] building nick1udwig/pdf-to-text against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnick1udwig%2Fpdf-to-text" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nick1udwig/pdf-to-text
[INFO] finished tweaking git repo https://github.com/nick1udwig/pdf-to-text
[INFO] tweaked toml for git repo https://github.com/nick1udwig/pdf-to-text written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nick1udwig/pdf-to-text on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nick1udwig/pdf-to-text already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c0805fa9f89cd41f3fbe6bc947ca214541253217b549202a44bdc47aab23db9
[INFO] running `Command { std: "docker" "start" "-a" "2c0805fa9f89cd41f3fbe6bc947ca214541253217b549202a44bdc47aab23db9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c0805fa9f89cd41f3fbe6bc947ca214541253217b549202a44bdc47aab23db9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c0805fa9f89cd41f3fbe6bc947ca214541253217b549202a44bdc47aab23db9", kill_on_drop: false }`
[INFO] [stdout] 2c0805fa9f89cd41f3fbe6bc947ca214541253217b549202a44bdc47aab23db9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cbadce583a2cc0d78adc6fbc028c1efd120c88809f741aafac9112e469984da
[INFO] running `Command { std: "docker" "start" "-a" "4cbadce583a2cc0d78adc6fbc028c1efd120c88809f741aafac9112e469984da", kill_on_drop: false }`
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[INFO] [stderr]    Compiling num v0.4.1
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[INFO] [stderr]    Compiling leptonica-plumbing v1.4.0
[INFO] [stderr]    Compiling hyper-util v0.1.3
[INFO] [stderr]    Compiling tesseract-plumbing v0.9.0
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
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[INFO] [stderr]    Compiling nalgebra v0.32.4
[INFO] [stderr]    Compiling imageproc v0.24.0
[INFO] [stderr]    Compiling pdf_to_text v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `txt_name`
[INFO] [stdout]    --> src/main.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |     let txt_name = "octavius.txt";
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_txt_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 41s
[INFO] running `Command { std: "docker" "inspect" "4cbadce583a2cc0d78adc6fbc028c1efd120c88809f741aafac9112e469984da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cbadce583a2cc0d78adc6fbc028c1efd120c88809f741aafac9112e469984da", kill_on_drop: false }`
[INFO] [stdout] 4cbadce583a2cc0d78adc6fbc028c1efd120c88809f741aafac9112e469984da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23f4c455271af1fe69133ce9d967ef9c83b0a2bafd97866630fd6207c344c599
[INFO] running `Command { std: "docker" "start" "-a" "23f4c455271af1fe69133ce9d967ef9c83b0a2bafd97866630fd6207c344c599", kill_on_drop: false }`
[INFO] [stderr]    Compiling pdf_to_text v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `txt_name`
[INFO] [stdout]    --> src/main.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |     let txt_name = "octavius.txt";
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_txt_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `Command { std: "docker" "inspect" "23f4c455271af1fe69133ce9d967ef9c83b0a2bafd97866630fd6207c344c599", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23f4c455271af1fe69133ce9d967ef9c83b0a2bafd97866630fd6207c344c599", kill_on_drop: false }`
[INFO] [stdout] 23f4c455271af1fe69133ce9d967ef9c83b0a2bafd97866630fd6207c344c599