[INFO] cloning repository https://github.com/mihai-dinculescu/code_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mihai-dinculescu/code_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmihai-dinculescu%2Fcode_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmihai-dinculescu%2Fcode_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c57dc7488b3dd61902574bb0f5ba9b61ee8a85a6
[INFO] checking mihai-dinculescu/code_test against try#fc545c6b951a304df08b327c158f92678582f435 for pr-140557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmihai-dinculescu%2Fcode_test" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mihai-dinculescu/code_test on toolchain fc545c6b951a304df08b327c158f92678582f435
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fc545c6b951a304df08b327c158f92678582f435" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mihai-dinculescu/code_test
[INFO] finished tweaking git repo https://github.com/mihai-dinculescu/code_test
[INFO] tweaked toml for git repo https://github.com/mihai-dinculescu/code_test written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mihai-dinculescu/code_test 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" "+fc545c6b951a304df08b327c158f92678582f435" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+fc545c6b951a304df08b327c158f92678582f435" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d59527b9f1eda95521e3238541ce661cf4f226e8d69d34ddf850e2e1388750a
[INFO] running `Command { std: "docker" "start" "-a" "1d59527b9f1eda95521e3238541ce661cf4f226e8d69d34ddf850e2e1388750a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d59527b9f1eda95521e3238541ce661cf4f226e8d69d34ddf850e2e1388750a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d59527b9f1eda95521e3238541ce661cf4f226e8d69d34ddf850e2e1388750a", kill_on_drop: false }`
[INFO] [stdout] 1d59527b9f1eda95521e3238541ce661cf4f226e8d69d34ddf850e2e1388750a
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+fc545c6b951a304df08b327c158f92678582f435" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8384ef0915d7e31e191ae6fcb43bf91398a8311f53c80b8d45dc45b83449088d
[INFO] running `Command { std: "docker" "start" "-a" "8384ef0915d7e31e191ae6fcb43bf91398a8311f53c80b8d45dc45b83449088d", kill_on_drop: false }`
[INFO] [stderr]     Checking code_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Event` is never constructed
[INFO] [stdout]  --> src/lib.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Event {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lib.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Event {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 14 |     pub fn new(start: i32, end: i32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BookingSystem` is never constructed
[INFO] [stdout]  --> src/array_solution.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct BookingSystem {}
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `check_events` are never used
[INFO] [stdout]  --> src/array_solution.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl BookingSystem {
[INFO] [stdout]   | ------------------ associated items in this implementation
[INFO] [stdout] 5 |     pub fn new() -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 9 |     pub fn check_events(&self, mut events: Vec<Event>) -> bool {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BookingSystem` is never constructed
[INFO] [stdout]  --> src/btreemap_solution.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct BookingSystem {}
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `check_events` are never used
[INFO] [stdout]   --> src/btreemap_solution.rs:8:12
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl BookingSystem {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 8  |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub fn check_events(&self, events: Vec<Event>) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "8384ef0915d7e31e191ae6fcb43bf91398a8311f53c80b8d45dc45b83449088d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8384ef0915d7e31e191ae6fcb43bf91398a8311f53c80b8d45dc45b83449088d", kill_on_drop: false }`
[INFO] [stdout] 8384ef0915d7e31e191ae6fcb43bf91398a8311f53c80b8d45dc45b83449088d