[INFO] cloning repository https://github.com/varzac/rust_collections
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/varzac/rust_collections" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarzac%2Frust_collections", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarzac%2Frust_collections'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db1285199d9300d32cdd25281583753dc1de814d
[INFO] checking varzac/rust_collections against try#e90f1ff63e694965281f833819a486da29772bdf for pr-146167
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarzac%2Frust_collections" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/varzac/rust_collections
[INFO] finished tweaking git repo https://github.com/varzac/rust_collections
[INFO] tweaked toml for git repo https://github.com/varzac/rust_collections written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/varzac/rust_collections on toolchain e90f1ff63e694965281f833819a486da29772bdf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/varzac/rust_collections 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" "+e90f1ff63e694965281f833819a486da29772bdf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: path `src/linked_list.rs` was erroneously implicitly accepted for binary `linked_list`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] deb11ecf436f8429a4bdcab0265c4b3cb3e8605dc42c5e8f1f72beb97ded6543
[INFO] running `Command { std: "docker" "start" "-a" "deb11ecf436f8429a4bdcab0265c4b3cb3e8605dc42c5e8f1f72beb97ded6543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "deb11ecf436f8429a4bdcab0265c4b3cb3e8605dc42c5e8f1f72beb97ded6543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deb11ecf436f8429a4bdcab0265c4b3cb3e8605dc42c5e8f1f72beb97ded6543", kill_on_drop: false }`
[INFO] [stdout] deb11ecf436f8429a4bdcab0265c4b3cb3e8605dc42c5e8f1f72beb97ded6543
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+e90f1ff63e694965281f833819a486da29772bdf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c040d800989fafd44cedeb117533c25f063de5c6a4319ac4bb703cff0950f13
[INFO] running `Command { std: "docker" "start" "-a" "7c040d800989fafd44cedeb117533c25f063de5c6a4319ac4bb703cff0950f13", kill_on_drop: false }`
[INFO] [stderr] warning: path `src/linked_list.rs` was erroneously implicitly accepted for binary `linked_list`,
[INFO] [stderr] please set bin.path in Cargo.toml
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking linked_list v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `delete_val`, `insert_val`, `length`, and `find` are never used
[INFO] [stdout]   --> src/linked_list.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | / impl<T> LinkedList<T> 
[INFO] [stdout] 12 | |         where T: PartialEq + Clone + Display{
[INFO] [stdout]    | |____________________________________________- methods in this implementation
[INFO] [stdout] 13 |
[INFO] [stdout] 14 |       fn delete_val(&self, val: &T) -> Option<Rc<LinkedList<T>>> {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |       fn insert_val(&self, val: T) -> LinkedList<T> {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |       fn length(&self) -> i32 {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |       fn find(&self, val: T) -> Option<i32> {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "7c040d800989fafd44cedeb117533c25f063de5c6a4319ac4bb703cff0950f13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c040d800989fafd44cedeb117533c25f063de5c6a4319ac4bb703cff0950f13", kill_on_drop: false }`
[INFO] [stdout] 7c040d800989fafd44cedeb117533c25f063de5c6a4319ac4bb703cff0950f13