[INFO] cloning repository https://github.com/niklas-simon/fantasy-realms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/niklas-simon/fantasy-realms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniklas-simon%2Ffantasy-realms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniklas-simon%2Ffantasy-realms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 91a4744ae510b5e9ae5ea628cd04cad272785335
[INFO] checking niklas-simon/fantasy-realms/91a4744ae510b5e9ae5ea628cd04cad272785335 against master#217cb73577ed6f30a2005dd75bab01d23ec4cd60 for pr-148939
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniklas-simon%2Ffantasy-realms" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/niklas-simon/fantasy-realms
[INFO] finished tweaking git repo https://github.com/niklas-simon/fantasy-realms
[INFO] tweaked toml for git repo https://github.com/niklas-simon/fantasy-realms written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/niklas-simon/fantasy-realms on toolchain 217cb73577ed6f30a2005dd75bab01d23ec4cd60
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/niklas-simon/fantasy-realms 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" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 223d900ba91f0caa7c543c9a81ac7df4e649e0135593283a3f2bf634866794e5
[INFO] running `Command { std: "docker" "start" "-a" "223d900ba91f0caa7c543c9a81ac7df4e649e0135593283a3f2bf634866794e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "223d900ba91f0caa7c543c9a81ac7df4e649e0135593283a3f2bf634866794e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "223d900ba91f0caa7c543c9a81ac7df4e649e0135593283a3f2bf634866794e5", kill_on_drop: false }`
[INFO] [stdout] 223d900ba91f0caa7c543c9a81ac7df4e649e0135593283a3f2bf634866794e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bad58623fe2245ed85ebda172d33e5742348f058ec45b60992536e9e456f8632
[INFO] running `Command { std: "docker" "start" "-a" "bad58623fe2245ed85ebda172d33e5742348f058ec45b60992536e9e456f8632", kill_on_drop: false }`
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[INFO] [stderr]     Checking fantasy-realms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `MAX_PARALLELISM` is never used
[INFO] [stdout]   --> src/bin/solver.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const MAX_PARALLELISM: usize = 16;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StackItem` is never constructed
[INFO] [stdout]   --> src/bin/solver.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct StackItem {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Stack` is never used
[INFO] [stdout]   --> src/bin/solver.rs:33:6
[INFO] [stdout]    |
[INFO] [stdout] 33 | type Stack = Vec<StackItem>;
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_PARALLELISM` is never used
[INFO] [stdout]   --> src/bin/solver.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const MAX_PARALLELISM: usize = 16;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StackItem` is never constructed
[INFO] [stdout]   --> src/bin/solver.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct StackItem {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Stack` is never used
[INFO] [stdout]   --> src/bin/solver.rs:33:6
[INFO] [stdout]    |
[INFO] [stdout] 33 | type Stack = Vec<StackItem>;
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `Command { std: "docker" "inspect" "bad58623fe2245ed85ebda172d33e5742348f058ec45b60992536e9e456f8632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bad58623fe2245ed85ebda172d33e5742348f058ec45b60992536e9e456f8632", kill_on_drop: false }`
[INFO] [stdout] bad58623fe2245ed85ebda172d33e5742348f058ec45b60992536e9e456f8632