[INFO] cloning repository https://github.com/heyitzspencer/optichime
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/heyitzspencer/optichime" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheyitzspencer%2Foptichime", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheyitzspencer%2Foptichime'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b402ac660f3ad03c38bc1388ec6c45fd0030e244
[INFO] checking heyitzspencer/optichime against try#35b6491ce6d2b388d0a5de1e59e2123604af807f for pr-136539
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheyitzspencer%2Foptichime" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/heyitzspencer/optichime on toolchain 35b6491ce6d2b388d0a5de1e59e2123604af807f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/heyitzspencer/optichime
[INFO] finished tweaking git repo https://github.com/heyitzspencer/optichime
[INFO] tweaked toml for git repo https://github.com/heyitzspencer/optichime written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/heyitzspencer/optichime 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" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c0b7923f61f96faa0530df5b35fd3f82f40fb1b0d20d30a62eb226ca5d5c91d
[INFO] running `Command { std: "docker" "start" "-a" "6c0b7923f61f96faa0530df5b35fd3f82f40fb1b0d20d30a62eb226ca5d5c91d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c0b7923f61f96faa0530df5b35fd3f82f40fb1b0d20d30a62eb226ca5d5c91d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c0b7923f61f96faa0530df5b35fd3f82f40fb1b0d20d30a62eb226ca5d5c91d", kill_on_drop: false }`
[INFO] [stdout] 6c0b7923f61f96faa0530df5b35fd3f82f40fb1b0d20d30a62eb226ca5d5c91d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+35b6491ce6d2b388d0a5de1e59e2123604af807f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f0a3623fd2fbfe13c3eaaa5884b63f82322e1b0aa1dd2bdbd130d5f81127964
[INFO] running `Command { std: "docker" "start" "-a" "0f0a3623fd2fbfe13c3eaaa5884b63f82322e1b0aa1dd2bdbd130d5f81127964", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking optichime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Item {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     name: String
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Item` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/main.rs:184:9
[INFO] [stdout]     |
[INFO] [stdout] 184 | / ...   &items.push(Item {
[INFO] [stdout] 185 | | ...       parent: String::from("minecraft:item/generated"),
[INFO] [stdout] 186 | | ...       texture: String::from(format!("minecraft:item/{}", properties.get("items").expect("Property could not be registered").replace("...
[INFO] [stdout] 187 | | ...       overrides: vec![override2],
[INFO] [stdout] 188 | | ...       name: name.to_string().replace("minecraft:", "").replace("\\r", "")
[INFO] [stdout] 189 | | ...   });
[INFO] [stdout]     | |________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 184 |         let _ = &items.push(Item {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Item {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     name: String
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Item` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/main.rs:184:9
[INFO] [stdout]     |
[INFO] [stdout] 184 | / ...   &items.push(Item {
[INFO] [stdout] 185 | | ...       parent: String::from("minecraft:item/generated"),
[INFO] [stdout] 186 | | ...       texture: String::from(format!("minecraft:item/{}", properties.get("items").expect("Property could not be registered").replace("...
[INFO] [stdout] 187 | | ...       overrides: vec![override2],
[INFO] [stdout] 188 | | ...       name: name.to_string().replace("minecraft:", "").replace("\\r", "")
[INFO] [stdout] 189 | | ...   });
[INFO] [stdout]     | |________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 184 |         let _ = &items.push(Item {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.01s
[INFO] running `Command { std: "docker" "inspect" "0f0a3623fd2fbfe13c3eaaa5884b63f82322e1b0aa1dd2bdbd130d5f81127964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f0a3623fd2fbfe13c3eaaa5884b63f82322e1b0aa1dd2bdbd130d5f81127964", kill_on_drop: false }`
[INFO] [stdout] 0f0a3623fd2fbfe13c3eaaa5884b63f82322e1b0aa1dd2bdbd130d5f81127964