[INFO] cloning repository https://github.com/shishi/compare_zip_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shishi/compare_zip_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshishi%2Fcompare_zip_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshishi%2Fcompare_zip_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0c95a70d9c5f2c9db830fa014dab7c4e0ebd1474
[INFO] checking shishi/compare_zip_rust against 36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6 for pr-160581
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshishi%2Fcompare_zip_rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/shishi/compare_zip_rust
[INFO] finished tweaking git repo https://github.com/shishi/compare_zip_rust
[INFO] tweaked toml for git repo https://github.com/shishi/compare_zip_rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/shishi/compare_zip_rust on toolchain 36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/shishi/compare_zip_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" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "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-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 92dc46225c06a143f07daa5192e714bf9df514b20361b838ba02fcd6142274a5
[INFO] running `Command { std: "docker" "start" "92dc46225c06a143f07daa5192e714bf9df514b20361b838ba02fcd6142274a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92dc46225c06a143f07daa5192e714bf9df514b20361b838ba02fcd6142274a5", 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" "92dc46225c06a143f07daa5192e714bf9df514b20361b838ba02fcd6142274a5" "/opt/rustwide/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92dc46225c06a143f07daa5192e714bf9df514b20361b838ba02fcd6142274a5", 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" "92dc46225c06a143f07daa5192e714bf9df514b20361b838ba02fcd6142274a5" "/opt/rustwide/cargo-home/bin/cargo" "+36e0a7eac2392bdd51fab6e7ff1d8c0e42d33bf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking compare-zip v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `print_comparison_header` is never used
[INFO] [stdout]   --> src/cli/mod.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn print_comparison_header(path1: &Path, path2: &Path) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `push`, `is_empty`, and `iter` are never used
[INFO] [stdout]   --> src/comparison/mod.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl ZipEntryFeatureArray {
[INFO] [stdout]    | ------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 34 |     pub fn push(&mut self, feature: ZipEntryFeature) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn iter(&self) -> impl Iterator<Item = &ZipEntryFeature> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `header_offset` is never read
[INFO] [stdout]   --> src/zip/entry.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub struct ZipEntry {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 64 |     pub header_offset: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ZipEntry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_comparison_header` is never used
[INFO] [stdout]   --> src/cli/mod.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn print_comparison_header(path1: &Path, path2: &Path) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `iter` is never used
[INFO] [stdout]   --> src/comparison/mod.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl ZipEntryFeatureArray {
[INFO] [stdout]    | ------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn iter(&self) -> impl Iterator<Item = &ZipEntryFeature> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `header_offset` is never read
[INFO] [stdout]   --> src/zip/entry.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub struct ZipEntry {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 64 |     pub header_offset: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ZipEntry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "92dc46225c06a143f07daa5192e714bf9df514b20361b838ba02fcd6142274a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92dc46225c06a143f07daa5192e714bf9df514b20361b838ba02fcd6142274a5", kill_on_drop: false }`
[INFO] [stdout] 92dc46225c06a143f07daa5192e714bf9df514b20361b838ba02fcd6142274a5
