[INFO] cloning repository https://github.com/TimTmi/echo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TimTmi/echo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimTmi%2Fecho", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimTmi%2Fecho'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a97fce2cc4147faf0c142324102065c0c2b74c6d
[INFO] checking TimTmi/echo against da86f4d0726be475afbbffe40cb2f65741c51ad3 for pr-159877
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimTmi%2Fecho" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/TimTmi/echo
[INFO] finished tweaking git repo https://github.com/TimTmi/echo
[INFO] tweaked toml for git repo https://github.com/TimTmi/echo written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/TimTmi/echo on toolchain da86f4d0726be475afbbffe40cb2f65741c51ad3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da86f4d0726be475afbbffe40cb2f65741c51ad3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/TimTmi/echo 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" "+da86f4d0726be475afbbffe40cb2f65741c51ad3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1fa6594d87c8fa7b311925a7a77a16f539833322d9dfba4ce891f211db2f90b1" "sleep" "infinity", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "509fda95ea01a7bd912057d860822d0b43b04008cfd27f672c79234bb6ee7d49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "509fda95ea01a7bd912057d860822d0b43b04008cfd27f672c79234bb6ee7d49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "509fda95ea01a7bd912057d860822d0b43b04008cfd27f672c79234bb6ee7d49" "/opt/rustwide/cargo-home/bin/cargo" "+da86f4d0726be475afbbffe40cb2f65741c51ad3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "509fda95ea01a7bd912057d860822d0b43b04008cfd27f672c79234bb6ee7d49", kill_on_drop: false }`
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[INFO] [stdout] warning: struct `MockCommandRunner` is never constructed
[INFO] [stdout]   --> src/ingestion/extractor.rs:97:19
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub(crate) struct MockCommandRunner {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/ingestion/extractor.rs:107:19
[INFO] [stdout]     |
[INFO] [stdout] 106 | impl MockCommandRunner {
[INFO] [stdout]     | ---------------------- associated function in this implementation
[INFO] [stdout] 107 |     pub(crate) fn new() -> Self {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `with_runner` is never used
[INFO] [stdout]    --> src/ingestion/extractor.rs:345:8
[INFO] [stdout]     |
[INFO] [stdout] 338 | impl PdfExtractor {
[INFO] [stdout]     | ----------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 345 |     fn with_runner(runner: Box<dyn CommandRunner>) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `with_runner` is never used
[INFO] [stdout]    --> src/ingestion/extractor.rs:515:8
[INFO] [stdout]     |
[INFO] [stdout] 508 | impl ImageExtractor {
[INFO] [stdout]     | ------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 515 |     fn with_runner(runner: Box<dyn CommandRunner>) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `with_runner` is never used
[INFO] [stdout]    --> src/ingestion/extractor.rs:591:8
[INFO] [stdout]     |
[INFO] [stdout] 584 | impl AudioVideoExtractor {
[INFO] [stdout]     | ------------------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 591 |     fn with_runner(runner: Box<dyn CommandRunner>) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `Command { std: "docker" "inspect" "509fda95ea01a7bd912057d860822d0b43b04008cfd27f672c79234bb6ee7d49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "509fda95ea01a7bd912057d860822d0b43b04008cfd27f672c79234bb6ee7d49", kill_on_drop: false }`
[INFO] [stdout] 509fda95ea01a7bd912057d860822d0b43b04008cfd27f672c79234bb6ee7d49