[INFO] cloning repository https://github.com/Galindez27/rust_cache_simulator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Galindez27/rust_cache_simulator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGalindez27%2Frust_cache_simulator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGalindez27%2Frust_cache_simulator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a60a3de330aa72a4c5ba24da06b41b55b88ff91
[INFO] checking Galindez27/rust_cache_simulator against try#81275a1445c7502a974118e0c69b795ab60be991 for pr-80243
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGalindez27%2Frust_cache_simulator" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Galindez27/rust_cache_simulator on toolchain 81275a1445c7502a974118e0c69b795ab60be991
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Galindez27/rust_cache_simulator
[INFO] finished tweaking git repo https://github.com/Galindez27/rust_cache_simulator
[INFO] tweaked toml for git repo https://github.com/Galindez27/rust_cache_simulator written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Galindez27/rust_cache_simulator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12bf10753f9f9421a2ab881c05613c3f59dc9f93ff9c8382c09de0abe70398a4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "12bf10753f9f9421a2ab881c05613c3f59dc9f93ff9c8382c09de0abe70398a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12bf10753f9f9421a2ab881c05613c3f59dc9f93ff9c8382c09de0abe70398a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12bf10753f9f9421a2ab881c05613c3f59dc9f93ff9c8382c09de0abe70398a4", kill_on_drop: false }`
[INFO] [stdout] 12bf10753f9f9421a2ab881c05613c3f59dc9f93ff9c8382c09de0abe70398a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8090e3848bec47f5bc9ab9d3f4b1c608441efcfb89d195c9f0c4912e6bf3d1b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b8090e3848bec47f5bc9ab9d3f4b1c608441efcfb89d195c9f0c4912e6bf3d1b", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_cache_sim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::linked_list`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::linked_list; // starting point
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::linked_list`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::linked_list; // starting point
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `CacheCode`
[INFO] [stdout]  --> src/cache_lib.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum CacheCode { HIT, MISS, EVICTION}
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Set`
[INFO] [stdout]  --> src/cache_lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Set{
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `probe`
[INFO] [stdout]   --> src/cache_lib.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn probe(&mut self, addr: u64) -> CacheCode{
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/cache_lib.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn new(set_bits: u32, block_bits: u32, Assoc: u32) -> Set{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `addr_to_setid`
[INFO] [stdout]   --> src/cache_lib.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn addr_to_setid(addr: u64, set_bits: u32, block_bits: u32) -> u64{
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Assoc` should have a snake case name
[INFO] [stdout]   --> src/cache_lib.rs:30:48
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn new(set_bits: u32, block_bits: u32, Assoc: u32) -> Set{
[INFO] [stdout]    |                                                ^^^^^ help: convert the identifier to snake case: `assoc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `CacheCode`
[INFO] [stdout]  --> src/cache_lib.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum CacheCode { HIT, MISS, EVICTION}
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Set`
[INFO] [stdout]  --> src/cache_lib.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Set{
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `probe`
[INFO] [stdout]   --> src/cache_lib.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn probe(&mut self, addr: u64) -> CacheCode{
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/cache_lib.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn new(set_bits: u32, block_bits: u32, Assoc: u32) -> Set{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `addr_to_setid`
[INFO] [stdout]   --> src/cache_lib.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn addr_to_setid(addr: u64, set_bits: u32, block_bits: u32) -> u64{
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Assoc` should have a snake case name
[INFO] [stdout]   --> src/cache_lib.rs:30:48
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn new(set_bits: u32, block_bits: u32, Assoc: u32) -> Set{
[INFO] [stdout]    |                                                ^^^^^ help: convert the identifier to snake case: `assoc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "b8090e3848bec47f5bc9ab9d3f4b1c608441efcfb89d195c9f0c4912e6bf3d1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8090e3848bec47f5bc9ab9d3f4b1c608441efcfb89d195c9f0c4912e6bf3d1b", kill_on_drop: false }`
[INFO] [stdout] b8090e3848bec47f5bc9ab9d3f4b1c608441efcfb89d195c9f0c4912e6bf3d1b