[INFO] cloning repository https://github.com/Tezza48/rust-dynamic-ecs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tezza48/rust-dynamic-ecs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTezza48%2Frust-dynamic-ecs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTezza48%2Frust-dynamic-ecs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 253a6d9ded8a45ba2d0d5de28582cc864e5ff8ed
[INFO] checking Tezza48/rust-dynamic-ecs against try#173780a87744406b7489b28349c0176f14bb3881 for pr-135841
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTezza48%2Frust-dynamic-ecs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Tezza48/rust-dynamic-ecs on toolchain 173780a87744406b7489b28349c0176f14bb3881
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+173780a87744406b7489b28349c0176f14bb3881" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Tezza48/rust-dynamic-ecs
[INFO] finished tweaking git repo https://github.com/Tezza48/rust-dynamic-ecs
[INFO] tweaked toml for git repo https://github.com/Tezza48/rust-dynamic-ecs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Tezza48/rust-dynamic-ecs 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" "+173780a87744406b7489b28349c0176f14bb3881" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+173780a87744406b7489b28349c0176f14bb3881" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b53acacb1c39e136c3c4053710fa40df53bcc914dfa029cf09ebffadce927534
[INFO] running `Command { std: "docker" "start" "-a" "b53acacb1c39e136c3c4053710fa40df53bcc914dfa029cf09ebffadce927534", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b53acacb1c39e136c3c4053710fa40df53bcc914dfa029cf09ebffadce927534", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b53acacb1c39e136c3c4053710fa40df53bcc914dfa029cf09ebffadce927534", kill_on_drop: false }`
[INFO] [stdout] b53acacb1c39e136c3c4053710fa40df53bcc914dfa029cf09ebffadce927534
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+173780a87744406b7489b28349c0176f14bb3881" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bba70d038103c7a5b99e916d68d14255ec8c8edef3dfe6eabe1082bf2ffaa41
[INFO] running `Command { std: "docker" "start" "-a" "7bba70d038103c7a5b99e916d68d14255ec8c8edef3dfe6eabe1082bf2ffaa41", kill_on_drop: false }`
[INFO] [stderr]     Checking DECS v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Name` is never constructed
[INFO] [stdout]    --> src/main.rs:174:8
[INFO] [stdout]     |
[INFO] [stdout] 174 | struct Name {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Name` is never constructed
[INFO] [stdout]    --> src/main.rs:174:8
[INFO] [stdout]     |
[INFO] [stdout] 174 | struct Name {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/main.rs:122:21
[INFO] [stdout]     |
[INFO] [stdout] 122 |                     drop(data);
[INFO] [stdout]     |                     ^^^^^----^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          argument has type `&mut Component<T>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 122 -                     drop(data);
[INFO] [stdout] 122 +                     let _ = data;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/main.rs:122:21
[INFO] [stdout]     |
[INFO] [stdout] 122 |                     drop(data);
[INFO] [stdout]     |                     ^^^^^----^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          argument has type `&mut Component<T>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 122 -                     drop(data);
[INFO] [stdout] 122 +                     let _ = data;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "7bba70d038103c7a5b99e916d68d14255ec8c8edef3dfe6eabe1082bf2ffaa41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bba70d038103c7a5b99e916d68d14255ec8c8edef3dfe6eabe1082bf2ffaa41", kill_on_drop: false }`
[INFO] [stdout] 7bba70d038103c7a5b99e916d68d14255ec8c8edef3dfe6eabe1082bf2ffaa41