[INFO] cloning repository https://github.com/leo-kenji/seam_carving_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leo-kenji/seam_carving_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleo-kenji%2Fseam_carving_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleo-kenji%2Fseam_carving_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 048110e1ea58780f2b4bbd4bf81a51f5afcc90ba
[INFO] checking leo-kenji/seam_carving_rust against 165655a2f1981fef27b31c547ad7631979fc5139 for pr-160235
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleo-kenji%2Fseam_carving_rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/leo-kenji/seam_carving_rust
[INFO] finished tweaking git repo https://github.com/leo-kenji/seam_carving_rust
[INFO] tweaked toml for git repo https://github.com/leo-kenji/seam_carving_rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/leo-kenji/seam_carving_rust on toolchain 165655a2f1981fef27b31c547ad7631979fc5139
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+165655a2f1981fef27b31c547ad7631979fc5139" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/leo-kenji/seam_carving_rust 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" "+165655a2f1981fef27b31c547ad7631979fc5139" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking leo-kenji/seam_carving_rust against 165655a2f1981fef27b31c547ad7631979fc5139 for pr-160235
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleo-kenji%2Fseam_carving_rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
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[INFO] [stderr] done.
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[INFO] finished tweaking git repo https://github.com/leo-kenji/seam_carving_rust
[INFO] tweaked toml for git repo https://github.com/leo-kenji/seam_carving_rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/leo-kenji/seam_carving_rust on toolchain 165655a2f1981fef27b31c547ad7631979fc5139
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+165655a2f1981fef27b31c547ad7631979fc5139" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/leo-kenji/seam_carving_rust 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" "+165655a2f1981fef27b31c547ad7631979fc5139" "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-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6ca5ad526363692556fa82332b099edf0786a0760c361565da320b6e7f479acc
[INFO] running `Command { std: "docker" "start" "6ca5ad526363692556fa82332b099edf0786a0760c361565da320b6e7f479acc", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "6ca5ad526363692556fa82332b099edf0786a0760c361565da320b6e7f479acc", 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" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6ca5ad526363692556fa82332b099edf0786a0760c361565da320b6e7f479acc" "/opt/rustwide/cargo-home/bin/cargo" "+165655a2f1981fef27b31c547ad7631979fc5139" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking seam_carving_lib v0.1.0 (/opt/rustwide/workdir/seam_carving_lib)
[INFO] [stderr]     Checking seam_carving_bin v0.1.0 (/opt/rustwide/workdir/seam_carving_bin)
[INFO] [stdout] warning: field `out_image` is never read
[INFO] [stdout]   --> seam_carving_bin/src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct CliOptions {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout]  9 |     /// Path for the output image.
[INFO] [stdout] 10 |     out_image: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CliOptions` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `out_image` is never read
[INFO] [stdout]   --> seam_carving_bin/src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub struct CliOptions {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout]  9 |     /// Path for the output image.
[INFO] [stdout] 10 |     out_image: Option<PathBuf>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CliOptions` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 26.09s
[INFO] running `Command { std: "docker" "inspect" "6ca5ad526363692556fa82332b099edf0786a0760c361565da320b6e7f479acc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ca5ad526363692556fa82332b099edf0786a0760c361565da320b6e7f479acc", kill_on_drop: false }`
[INFO] [stdout] 6ca5ad526363692556fa82332b099edf0786a0760c361565da320b6e7f479acc
