[INFO] cloning repository https://github.com/masaimahapa/rust-simple-die
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/masaimahapa/rust-simple-die" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasaimahapa%2Frust-simple-die", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasaimahapa%2Frust-simple-die'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 241623175999737fe67b1f36b0c84e86bee0a1ca
[INFO] checking masaimahapa/rust-simple-die against try#5de9e0e6cf775e94e0de2003f35e183f3f77bfe8 for pr-143808
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasaimahapa%2Frust-simple-die" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/masaimahapa/rust-simple-die
[INFO] finished tweaking git repo https://github.com/masaimahapa/rust-simple-die
[INFO] tweaked toml for git repo https://github.com/masaimahapa/rust-simple-die written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/masaimahapa/rust-simple-die on toolchain 5de9e0e6cf775e94e0de2003f35e183f3f77bfe8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/masaimahapa/rust-simple-die 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" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 825041e8b94e2eb7b7d0dc1125016fb0644b607b153e9a86b7a9978c04dfa17f
[INFO] running `Command { std: "docker" "start" "-a" "825041e8b94e2eb7b7d0dc1125016fb0644b607b153e9a86b7a9978c04dfa17f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "825041e8b94e2eb7b7d0dc1125016fb0644b607b153e9a86b7a9978c04dfa17f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "825041e8b94e2eb7b7d0dc1125016fb0644b607b153e9a86b7a9978c04dfa17f", kill_on_drop: false }`
[INFO] [stdout] 825041e8b94e2eb7b7d0dc1125016fb0644b607b153e9a86b7a9978c04dfa17f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+5de9e0e6cf775e94e0de2003f35e183f3f77bfe8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8422b287176965425fd294cf71ea835c5fd310c85a85d7d33b12b218709dc95
[INFO] running `Command { std: "docker" "start" "-a" "e8422b287176965425fd294cf71ea835c5fd310c85a85d7d33b12b218709dc95", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking dice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0805]: malformed `should_panic` attribute input
[INFO] [stdout]   --> src/lib.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     #[should_panic()]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^--^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   expected a single argument here
[INFO] [stdout]    |
[INFO] [stdout] help: try changing it to one of the following valid forms of the attribute
[INFO] [stdout]    |
[INFO] [stdout] 29 -     #[should_panic()]
[INFO] [stdout] 29 +     #[should_panic = "reason"]
[INFO] [stdout]    |
[INFO] [stdout] 29 |     #[should_panic(expected = "reason")]
[INFO] [stdout]    |                    +++++++++++++++++++
[INFO] [stdout] 29 -     #[should_panic()]
[INFO] [stdout] 29 +     #[should_panic]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Die` is never constructed
[INFO] [stdout]  --> src/lib.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Die {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `roll` are never used
[INFO] [stdout]   --> src/lib.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Die {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 10 |     pub fn new(n_sides: u32) -> Die{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn roll(&self) -> u32{
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `die`
[INFO] [stdout]   --> src/lib.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let die = Die::new(sides);
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_die`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dice` (lib test) due to 1 previous error; 1 warning emitted
[INFO] [stdout] For more information about this error, try `rustc --explain E0805`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e8422b287176965425fd294cf71ea835c5fd310c85a85d7d33b12b218709dc95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8422b287176965425fd294cf71ea835c5fd310c85a85d7d33b12b218709dc95", kill_on_drop: false }`
[INFO] [stdout] e8422b287176965425fd294cf71ea835c5fd310c85a85d7d33b12b218709dc95