[INFO] cloning repository https://github.com/user6174/shadowbuilder
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/user6174/shadowbuilder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuser6174%2Fshadowbuilder"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuser6174%2Fshadowbuilder'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a3cfcc1d223884f8cd582882f25ff51b2f49b426
[INFO] checking user6174/shadowbuilder against try#879b8cb7dc2ad9102994457e73cf78d124926ea5 for pr-73084
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuser6174%2Fshadowbuilder" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/user6174/shadowbuilder on toolchain 879b8cb7dc2ad9102994457e73cf78d124926ea5
[INFO] running `"/workspace/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/user6174/shadowbuilder
[INFO] finished tweaking git repo https://github.com/user6174/shadowbuilder
[INFO] tweaked toml for git repo https://github.com/user6174/shadowbuilder written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/user6174/shadowbuilder already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "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] 53d267684510d2d404e4565f4f2d3a5b605a563ea93567e6adaca4aa9ba3abe9
[INFO] running `"docker" "start" "-a" "53d267684510d2d404e4565f4f2d3a5b605a563ea93567e6adaca4aa9ba3abe9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking shadowbuilder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: associated function is never used: `from_debug`
[INFO] [stderr]   --> src/context.rs:70:12
[INFO] [stderr]    |
[INFO] [stderr] 70 |     pub fn from_debug() -> Context {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `cut_random`
[INFO] [stderr]    --> src/deck.rs:148:8
[INFO] [stderr]     |
[INFO] [stderr] 148 |     fn cut_random(&mut self) -> usize {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `mutate`
[INFO] [stderr]    --> src/deck.rs:214:12
[INFO] [stderr]     |
[INFO] [stderr] 214 |     pub fn mutate(
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `CRAFTS`
[INFO] [stderr]   --> src/globals.rs:6:1
[INFO] [stderr]    |
[INFO] [stderr] 6  | / pub const CRAFTS: [&str; 9] = [
[INFO] [stderr] 7  | |     "Neutral",
[INFO] [stderr] 8  | |     "Forestcraft",
[INFO] [stderr] 9  | |     "Swordcraft",
[INFO] [stderr] ...  |
[INFO] [stderr] 15 | |     "Portalcraft",
[INFO] [stderr] 16 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     std::io::stdin().read_line(&mut String::new());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     std::io::stdin().read_line(&mut String::new());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.34s
[INFO] running `"docker" "inspect" "53d267684510d2d404e4565f4f2d3a5b605a563ea93567e6adaca4aa9ba3abe9"`
[INFO] running `"docker" "rm" "-f" "53d267684510d2d404e4565f4f2d3a5b605a563ea93567e6adaca4aa9ba3abe9"`
[INFO] [stdout] 53d267684510d2d404e4565f4f2d3a5b605a563ea93567e6adaca4aa9ba3abe9