[INFO] cloning repository https://github.com/SlartiTron/legend
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SlartiTron/legend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSlartiTron%2Flegend"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSlartiTron%2Flegend'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f12c9e4673b6de40eccb1d9d94da805e5494158a
[INFO] checking SlartiTron/legend against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSlartiTron%2Flegend" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SlartiTron/legend on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/SlartiTron/legend
[INFO] finished tweaking git repo https://github.com/SlartiTron/legend
[INFO] tweaked toml for git repo https://github.com/SlartiTron/legend written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/SlartiTron/legend already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-13/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5ed1efee91cd29d0fcd8fd2b8eaddfb49f462048591dc10c624de829e729d82f
[INFO] running `"docker" "start" "-a" "5ed1efee91cd29d0fcd8fd2b8eaddfb49f462048591dc10c624de829e729d82f"`
[INFO] [stderr]     Checking legend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `ecs::component::Component`
[INFO] [stderr]  --> src/ecs/world.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ecs::component::Component;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ecs::system::System`
[INFO] [stderr]  --> src/ecs/world.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use ecs::system::System;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ecs::component::Component`
[INFO] [stderr]  --> src/ecs/system.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ecs::component::Component;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashSet`
[INFO] [stderr]  --> src/ecs/system.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::HashSet;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `World`
[INFO] [stderr]  --> src/ecs/world.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct World;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Entity`
[INFO] [stderr]   --> src/ecs/component.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | type Entity = usize;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ComponentStore`
[INFO] [stderr]   --> src/ecs/component.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct ComponentStore<C: Component> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/ecs/component.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ecs::component::Component`
[INFO] [stderr]  --> src/ecs/world.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ecs::component::Component;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ecs::system::System`
[INFO] [stderr]  --> src/ecs/world.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use ecs::system::System;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ecs::component::Component`
[INFO] [stderr]  --> src/ecs/system.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ecs::component::Component;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashSet`
[INFO] [stderr]  --> src/ecs/system.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::HashSet;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `World`
[INFO] [stderr]  --> src/ecs/world.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct World;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Entity`
[INFO] [stderr]   --> src/ecs/component.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | type Entity = usize;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ComponentStore`
[INFO] [stderr]   --> src/ecs/component.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct ComponentStore<C: Component> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/ecs/component.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "5ed1efee91cd29d0fcd8fd2b8eaddfb49f462048591dc10c624de829e729d82f"`
[INFO] running `"docker" "rm" "-f" "5ed1efee91cd29d0fcd8fd2b8eaddfb49f462048591dc10c624de829e729d82f"`
[INFO] [stdout] 5ed1efee91cd29d0fcd8fd2b8eaddfb49f462048591dc10c624de829e729d82f