[INFO] cloning repository https://github.com/Devin-Yeung/lasagna
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Devin-Yeung/lasagna" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevin-Yeung%2Flasagna", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevin-Yeung%2Flasagna'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc947a3a007434fa58fb6fe698888e2c4b9715c9
[INFO] building Devin-Yeung/lasagna against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevin-Yeung%2Flasagna" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Devin-Yeung/lasagna
[INFO] finished tweaking git repo https://github.com/Devin-Yeung/lasagna
[INFO] tweaked toml for git repo https://github.com/Devin-Yeung/lasagna written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Devin-Yeung/lasagna on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Devin-Yeung/lasagna 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f31778cbede015386dbe0834755359d00e212f60cf1cb36163acc00a44bff4e
[INFO] running `Command { std: "docker" "start" "-a" "5f31778cbede015386dbe0834755359d00e212f60cf1cb36163acc00a44bff4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f31778cbede015386dbe0834755359d00e212f60cf1cb36163acc00a44bff4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f31778cbede015386dbe0834755359d00e212f60cf1cb36163acc00a44bff4e", kill_on_drop: false }`
[INFO] [stdout] 5f31778cbede015386dbe0834755359d00e212f60cf1cb36163acc00a44bff4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b368e66c1403d61f65615dda81af27f108b14184ed1b86dcac52b0db883ef57e
[INFO] running `Command { std: "docker" "start" "-a" "b368e66c1403d61f65615dda81af27f108b14184ed1b86dcac52b0db883ef57e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling cpufeatures v0.2.4
[INFO] [stderr]    Compiling zstd-safe v7.1.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling anstyle-parse v0.2.3
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling zlib-rs v0.5.0
[INFO] [stderr]    Compiling anstyle-query v1.0.2
[INFO] [stderr]    Compiling regex-automata v0.4.4
[INFO] [stderr]    Compiling deranged v0.5.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling bstr v1.9.0
[INFO] [stderr]    Compiling lockfree-object-pool v0.1.6
[INFO] [stderr]    Compiling libbz2-rs-sys v0.2.1
[INFO] [stderr]    Compiling time-core v0.1.6
[INFO] [stderr]    Compiling strsim v0.11.0
[INFO] [stderr]    Compiling bumpalo v3.16.0
[INFO] [stderr]    Compiling anstream v0.6.11
[INFO] [stderr]    Compiling num_threads v0.1.6
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling deflate64 v0.1.9
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling zopfli v0.8.1
[INFO] [stderr]    Compiling ppmd-rust v1.2.1
[INFO] [stderr]    Compiling clap_builder v4.5.47
[INFO] [stderr]    Compiling base16ct v0.3.0
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.2
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling inout v0.1.3
[INFO] [stderr]    Compiling bzip2 v0.6.0
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling pbkdf2 v0.12.2
[INFO] [stderr]    Compiling time v0.3.43
[INFO] [stderr]    Compiling md-5 v0.10.6
[INFO] [stderr]    Compiling aes v0.8.4
[INFO] [stderr]    Compiling globset v0.4.15
[INFO] [stderr]    Compiling zstd-sys v2.0.10+zstd.1.5.6
[INFO] [stderr]    Compiling lzma-rust2 v0.13.0
[INFO] [stderr]    Compiling ignore v0.4.23
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling clap_derive v4.5.47
[INFO] [stderr]    Compiling libz-rs-sys v0.5.0
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling flate2 v1.1.1
[INFO] [stderr]    Compiling clap v4.5.47
[INFO] [stderr]    Compiling zstd v0.13.1
[INFO] [stderr]    Compiling zip v5.1.1
[INFO] [stderr]    Compiling lasagna v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `is_at_root` is never used
[INFO] [stdout]    --> src/tree_view.rs:146:12
[INFO] [stdout]     |
[INFO] [stdout] 141 | impl TreeParams {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 146 |     pub fn is_at_root(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `relative_to` is never used
[INFO] [stdout]   --> src/tree.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn relative_to(base: &Path, path: &Path) -> Option<usize> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/tree.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl FileWrapper {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 29 |     pub fn new(depth: usize, is_last: bool, path: PathBuf) -> FileWrapper {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `root`, `deeper`, and `iterate_over` are never used
[INFO] [stdout]    --> src/tree_view.rs:152:12
[INFO] [stdout]     |
[INFO] [stdout] 151 | impl TreeDepth {
[INFO] [stdout]     | -------------- associated items in this implementation
[INFO] [stdout] 152 |     pub fn root() -> Self {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 156 |     pub fn deeper(self) -> Self {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 162 |     pub fn iterate_over<I, T>(self, inner: I) -> Iter<I>
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Iter` is never constructed
[INFO] [stdout]    --> src/tree_view.rs:173:12
[INFO] [stdout]     |
[INFO] [stdout] 173 | pub struct Iter<I> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/zipper.rs:21:39
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new(config: &'a Config) -> Zipper {
[INFO] [stdout]    |                         --            ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new(config: &'a Config) -> Zipper<'a> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> src/tree.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct FileStream<'a> {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 45 |     items: Vec<Rc<RefCell<FileWrapper>>>,
[INFO] [stdout] 46 |     config: Option<&'a Config>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.26s
[INFO] running `Command { std: "docker" "inspect" "b368e66c1403d61f65615dda81af27f108b14184ed1b86dcac52b0db883ef57e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b368e66c1403d61f65615dda81af27f108b14184ed1b86dcac52b0db883ef57e", kill_on_drop: false }`
[INFO] [stdout] b368e66c1403d61f65615dda81af27f108b14184ed1b86dcac52b0db883ef57e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 005dd4cf39a0f59cca780712835cdd3fbc9693fd905e198bd7dcddd19a6668ca
[INFO] running `Command { std: "docker" "start" "-a" "005dd4cf39a0f59cca780712835cdd3fbc9693fd905e198bd7dcddd19a6668ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling lasagna v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/tree.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl FileWrapper {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 29 |     pub fn new(depth: usize, is_last: bool, path: PathBuf) -> FileWrapper {
[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 `is_at_root` is never used
[INFO] [stdout]    --> src/tree_view.rs:146:12
[INFO] [stdout]     |
[INFO] [stdout] 141 | impl TreeParams {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 146 |     pub fn is_at_root(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `deeper` is never used
[INFO] [stdout]    --> src/tree_view.rs:156:12
[INFO] [stdout]     |
[INFO] [stdout] 151 | impl TreeDepth {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 156 |     pub fn deeper(self) -> Self {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/zipper.rs:21:39
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new(config: &'a Config) -> Zipper {
[INFO] [stdout]    |                         --            ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new(config: &'a Config) -> Zipper<'a> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> src/tree.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct FileStream<'a> {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 45 |     items: Vec<Rc<RefCell<FileWrapper>>>,
[INFO] [stdout] 46 |     config: Option<&'a Config>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `Command { std: "docker" "inspect" "005dd4cf39a0f59cca780712835cdd3fbc9693fd905e198bd7dcddd19a6668ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "005dd4cf39a0f59cca780712835cdd3fbc9693fd905e198bd7dcddd19a6668ca", kill_on_drop: false }`
[INFO] [stdout] 005dd4cf39a0f59cca780712835cdd3fbc9693fd905e198bd7dcddd19a6668ca
