[INFO] cloning repository https://github.com/Nercury/bytecache-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nercury/bytecache-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNercury%2Fbytecache-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNercury%2Fbytecache-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc3c876e25e93a9cbc50907ddbe03189d22cb637
[INFO] checking Nercury/bytecache-rs against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNercury%2Fbytecache-rs" "/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/Nercury/bytecache-rs
[INFO] finished tweaking git repo https://github.com/Nercury/bytecache-rs
[INFO] tweaked toml for git repo https://github.com/Nercury/bytecache-rs written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Nercury/bytecache-rs on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Nercury/bytecache-rs 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d21c58ab7ce02a8a6ef3804547d8e30d68d3c70a0c6533b0a89245a87ddbf40
[INFO] running `Command { std: "docker" "start" "-a" "0d21c58ab7ce02a8a6ef3804547d8e30d68d3c70a0c6533b0a89245a87ddbf40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d21c58ab7ce02a8a6ef3804547d8e30d68d3c70a0c6533b0a89245a87ddbf40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d21c58ab7ce02a8a6ef3804547d8e30d68d3c70a0c6533b0a89245a87ddbf40", kill_on_drop: false }`
[INFO] [stdout] 0d21c58ab7ce02a8a6ef3804547d8e30d68d3c70a0c6533b0a89245a87ddbf40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fafd83918fc96b91b7bbeb572fbd5d2e92fe61e6198c9c30041fbd7f7bf84e6
[INFO] running `Command { std: "docker" "start" "-a" "4fafd83918fc96b91b7bbeb572fbd5d2e92fe61e6198c9c30041fbd7f7bf84e6", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Checking bytecache v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::slice::<impl [T]>::connect`: renamed to join
[INFO] [stdout]   --> src/path.rs:90:64
[INFO] [stdout]    |
[INFO] [stdout] 90 |                     let name: String = [name.as_ref(), "meta"].connect(".");
[INFO] [stdout]    |                                                                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]    |
[INFO] [stdout] 90 -                     let name: String = [name.as_ref(), "meta"].connect(".");
[INFO] [stdout] 90 +                     let name: String = [name.as_ref(), "meta"].join(".");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::slice::<impl [T]>::connect`: renamed to join
[INFO] [stdout]   --> src/path.rs:90:64
[INFO] [stdout]    |
[INFO] [stdout] 90 |                     let name: String = [name.as_ref(), "meta"].connect(".");
[INFO] [stdout]    |                                                                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]    |
[INFO] [stdout] 90 -                     let name: String = [name.as_ref(), "meta"].connect(".");
[INFO] [stdout] 90 +                     let name: String = [name.as_ref(), "meta"].join(".");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/mem.rs:136:30
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn fetch<R: Read>(&self, key: K) -> Result<R, CreateReaderError> {
[INFO] [stdout]     |                              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/mem.rs:140:31
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn store<W: Write>(&self, key: K, required_mem: u64) -> Result<W, CreateWriterError> {
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `required_mem`
[INFO] [stdout]    --> src/mem.rs:140:39
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn store<W: Write>(&self, key: K, required_mem: u64) -> Result<W, CreateWriterError> {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_required_mem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `FileCache` is never constructed
[INFO] [stdout]  --> src/file.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct FileCache {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/history.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn iter(&self) -> hash_map::Iter<K, u64> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided 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: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn iter(&self) -> hash_map::Iter<'_, K, u64> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bytecache` (lib) due to 1 previous error; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/mem.rs:136:30
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn fetch<R: Read>(&self, key: K) -> Result<R, CreateReaderError> {
[INFO] [stdout]     |                              ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/mem.rs:140:31
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn store<W: Write>(&self, key: K, required_mem: u64) -> Result<W, CreateWriterError> {
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `required_mem`
[INFO] [stdout]    --> src/mem.rs:140:39
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn store<W: Write>(&self, key: K, required_mem: u64) -> Result<W, CreateWriterError> {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_required_mem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `FileCache` is never constructed
[INFO] [stdout]  --> src/file.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct FileCache {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/history.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn iter(&self) -> hash_map::Iter<K, u64> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided 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: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn iter(&self) -> hash_map::Iter<'_, K, u64> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bytecache` (lib test) due to 1 previous error; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "4fafd83918fc96b91b7bbeb572fbd5d2e92fe61e6198c9c30041fbd7f7bf84e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fafd83918fc96b91b7bbeb572fbd5d2e92fe61e6198c9c30041fbd7f7bf84e6", kill_on_drop: false }`
[INFO] [stdout] 4fafd83918fc96b91b7bbeb572fbd5d2e92fe61e6198c9c30041fbd7f7bf84e6
