[INFO] cloning repository https://github.com/kolharsam/lru-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kolharsam/lru-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkolharsam%2Flru-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkolharsam%2Flru-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 44b84778ade35abed83997a7fcca4dc96ad80ae9
[INFO] testing kolharsam/lru-rust against 1.97.0-beta.6 for beta-1.98-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkolharsam%2Flru-rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kolharsam/lru-rust
[INFO] finished tweaking git repo https://github.com/kolharsam/lru-rust
[INFO] tweaked toml for git repo https://github.com/kolharsam/lru-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kolharsam/lru-rust on toolchain 1.97.0-beta.6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kolharsam/lru-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" "+1.97.0-beta.6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 31165997a0ed2caa8751b855c54293a04e5307e20df3281d7794ef0c37e1e5bc
[INFO] running `Command { std: "docker" "start" "31165997a0ed2caa8751b855c54293a04e5307e20df3281d7794ef0c37e1e5bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31165997a0ed2caa8751b855c54293a04e5307e20df3281d7794ef0c37e1e5bc", 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" "31165997a0ed2caa8751b855c54293a04e5307e20df3281d7794ef0c37e1e5bc" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31165997a0ed2caa8751b855c54293a04e5307e20df3281d7794ef0c37e1e5bc", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "31165997a0ed2caa8751b855c54293a04e5307e20df3281d7794ef0c37e1e5bc" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling lru-rust v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias `LinkedNode` is never used
[INFO] [stdout]   --> src/main.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 |     type LinkedNode = (i32, i32);
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LRU` is never constructed
[INFO] [stdout]   --> src/main.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub struct LRU {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `LRUOperators` is never used
[INFO] [stdout]   --> src/main.rs:19:15
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub trait LRUOperators {
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "31165997a0ed2caa8751b855c54293a04e5307e20df3281d7794ef0c37e1e5bc", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "31165997a0ed2caa8751b855c54293a04e5307e20df3281d7794ef0c37e1e5bc" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling lru-rust v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/main.rs:135:9
[INFO] [stdout]     |
[INFO] [stdout] 135 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no associated function or constant named `new` found for struct `LRU` in the current scope
[INFO] [stdout]    --> src/main.rs:142:30
[INFO] [stdout]     |
[INFO] [stdout]  13 |     pub struct LRU {
[INFO] [stdout]     |     -------------- associated function or constant `new` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 142 |         let _lru = lru::LRU::new(0);
[INFO] [stdout]     |                              ^^^ associated function or constant not found in `LRU`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `LRUOperators` which provides `new` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 135 +     use crate::lru::LRUOperators;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no associated function or constant named `new` found for struct `LRU` in the current scope
[INFO] [stdout]    --> src/main.rs:147:33
[INFO] [stdout]     |
[INFO] [stdout]  13 |     pub struct LRU {
[INFO] [stdout]     |     -------------- associated function or constant `new` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 147 |         let mut lru = lru::LRU::new(2);
[INFO] [stdout]     |                                 ^^^ associated function or constant not found in `LRU`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `LRUOperators` which provides `new` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 135 +     use crate::lru::LRUOperators;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no associated function or constant named `new` found for struct `LRU` in the current scope
[INFO] [stdout]    --> src/main.rs:156:33
[INFO] [stdout]     |
[INFO] [stdout]  13 |     pub struct LRU {
[INFO] [stdout]     |     -------------- associated function or constant `new` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 156 |         let mut lru = lru::LRU::new(2);
[INFO] [stdout]     |                                 ^^^ associated function or constant not found in `LRU`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `LRUOperators` which provides `new` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 135 +     use crate::lru::LRUOperators;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no associated function or constant named `new` found for struct `LRU` in the current scope
[INFO] [stdout]    --> src/main.rs:167:33
[INFO] [stdout]     |
[INFO] [stdout]  13 |     pub struct LRU {
[INFO] [stdout]     |     -------------- associated function or constant `new` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 167 |         let mut lru = lru::LRU::new(3);
[INFO] [stdout]     |                                 ^^^ associated function or constant not found in `LRU`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `LRUOperators` which provides `new` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 135 +     use crate::lru::LRUOperators;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no associated function or constant named `new` found for struct `LRU` in the current scope
[INFO] [stdout]    --> src/main.rs:186:33
[INFO] [stdout]     |
[INFO] [stdout]  13 |     pub struct LRU {
[INFO] [stdout]     |     -------------- associated function or constant `new` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 186 |         let mut lru = lru::LRU::new(2);
[INFO] [stdout]     |                                 ^^^ associated function or constant not found in `LRU`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `LRUOperators` which provides `new` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 135 +     use crate::lru::LRUOperators;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no associated function or constant named `new` found for struct `LRU` in the current scope
[INFO] [stdout]    --> src/main.rs:205:33
[INFO] [stdout]     |
[INFO] [stdout]  13 |     pub struct LRU {
[INFO] [stdout]     |     -------------- associated function or constant `new` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 205 |         let mut lru = lru::LRU::new(2);
[INFO] [stdout]     |                                 ^^^ associated function or constant not found in `LRU`
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `LRUOperators` which provides `new` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 135 +     use crate::lru::LRUOperators;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lru-rust` (bin "lru-rust" test) due to 6 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "31165997a0ed2caa8751b855c54293a04e5307e20df3281d7794ef0c37e1e5bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31165997a0ed2caa8751b855c54293a04e5307e20df3281d7794ef0c37e1e5bc", kill_on_drop: false }`
[INFO] [stdout] 31165997a0ed2caa8751b855c54293a04e5307e20df3281d7794ef0c37e1e5bc
