[INFO] cloning repository https://github.com/koute/wasm-bench
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/koute/wasm-bench" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkoute%2Fwasm-bench", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkoute%2Fwasm-bench'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8acf5d5935b4699c9863108f7a47e026932a0b3
[INFO] testing koute/wasm-bench against 1.77.0 for beta-1.78-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkoute%2Fwasm-bench" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/koute/wasm-bench on toolchain 1.77.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.77.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/koute/wasm-bench
[INFO] finished tweaking git repo https://github.com/koute/wasm-bench
[INFO] tweaked toml for git repo https://github.com/koute/wasm-bench written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/koute/wasm-bench 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" "+1.77.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] testing koute/wasm-bench against beta-2024-03-24 for beta-1.78-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkoute%2Fwasm-bench" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/koute/wasm-bench on toolchain beta-2024-03-24
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-03-24" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/koute/wasm-bench
[INFO] finished tweaking git repo https://github.com/koute/wasm-bench
[INFO] tweaked toml for git repo https://github.com/koute/wasm-bench written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/koute/wasm-bench 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" "+beta-2024-03-24" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasmi_core v0.2.0
[INFO] [stderr]   Downloaded wasmi_core v0.3.0
[INFO] [stderr]   Downloaded wasmtime-jit-debug v0.39.1
[INFO] [stderr]   Downloaded cranelift-native v0.81.2
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.81.2
[INFO] [stderr]   Downloaded wasmi v0.13.0
[INFO] [stderr]   Downloaded cranelift-native v0.86.1
[INFO] [stderr]   Downloaded cranelift-bforest v0.81.2
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[INFO] [stderr]   Downloaded cranelift-native v0.83.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.81.2
[INFO] [stderr]   Downloaded wasmtime-cranelift v0.34.2
[INFO] [stderr]   Downloaded cranelift-wasm v0.81.2
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.84.0
[INFO] [stderr]   Downloaded cranelift-wasm v0.84.0
[INFO] [stderr]   Downloaded cranelift-codegen v0.81.2
[INFO] [stderr]   Downloaded cranelift-codegen v0.83.0
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[INFO] [stderr]   Downloaded wasmtime-jit-debug v0.36.0
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[INFO] [stderr]   Downloaded regalloc2 v0.1.3
[INFO] [stderr]   Downloaded wasmtime-jit v0.39.1
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[INFO] [stderr]   Downloaded cranelift-codegen v0.86.1
[INFO] [stderr]   Downloaded wasmparser v0.84.0
[INFO] [stderr]   Downloaded wasmtime-runtime v0.37.0
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[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.85.3
[INFO] [stderr]   Downloaded regalloc2 v0.2.3
[INFO] [stderr]   Downloaded cranelift-wasm v0.85.3
[INFO] [stderr]   Downloaded rustix v0.33.7
[INFO] [stderr]   Downloaded wasmtime-runtime v0.38.3
[INFO] [stderr]   Downloaded cranelift-codegen v0.87.0
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[INFO] [stderr]   Downloaded wasmtime-jit v0.34.2
[INFO] [stderr]   Downloaded wasmparser v0.82.0
[INFO] [stderr]   Downloaded wasmtime-types v0.34.2
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[INFO] [stderr]   Downloaded wasmtime-runtime v0.34.2
[INFO] [stderr]   Downloaded wasmtime v0.34.2
[INFO] [stderr]   Downloaded cranelift-bforest v0.83.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.83.0
[INFO] [stderr]   Downloaded cranelift-wasm v0.83.0
[INFO] [stderr]   Downloaded wasmtime-cranelift v0.37.0
[INFO] [stderr]   Downloaded wasmparser v0.85.0
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.83.0
[INFO] [stderr]   Downloaded cranelift-frontend v0.83.0
[INFO] [stderr]   Downloaded cranelift-entity v0.83.0
[INFO] [stderr]   Downloaded wasmtime-types v0.36.0
[INFO] [stderr]   Downloaded cranelift-native v0.84.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.84.0
[INFO] [stderr]   Downloaded cranelift-frontend v0.84.0
[INFO] [stderr]   Downloaded wasmtime-environ v0.37.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.85.3
[INFO] [stderr]   Downloaded cranelift-isle v0.85.3
[INFO] [stderr]   Downloaded wasmtime-cranelift v0.38.3
[INFO] [stderr]   Downloaded cranelift-isle v0.86.1
[INFO] [stderr]   Downloaded wasmparser v0.86.0
[INFO] [stderr]   Downloaded wasmtime-environ v0.39.1
[INFO] [stderr]   Downloaded wasmtime-types v0.37.0
[INFO] [stderr]   Downloaded cranelift-native v0.85.3
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.85.3
[INFO] [stderr]   Downloaded cranelift-frontend v0.85.3
[INFO] [stderr]   Downloaded wasmtime-jit v0.38.3
[INFO] [stderr]   Downloaded cranelift-entity v0.85.3
[INFO] [stderr]   Downloaded wasmtime-types v0.38.3
[INFO] [stderr]   Downloaded wasmtime-environ v0.38.3
[INFO] [stderr]   Downloaded wasmtime-jit-debug v0.38.3
[INFO] [stderr]   Downloaded cranelift-bforest v0.86.1
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.86.1
[INFO] [stderr]   Downloaded cranelift-frontend v0.86.1
[INFO] [stderr]   Downloaded wasmtime-cranelift v0.39.1
[INFO] [stderr]   Downloaded cranelift-entity v0.86.1
[INFO] [stderr]   Downloaded wasmtime-types v0.39.1
[INFO] [stderr]   Downloaded psm v0.1.20
[INFO] [stderr]   Downloaded cranelift-isle v0.87.0
[INFO] [stderr]   Downloaded wasmtime-jit v0.40.0
[INFO] [stderr]   Downloaded wasmparser-nostd v0.90.0
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.86.1
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-03-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fe5ea5170ba921e6ee040244a5160aacc09d1312155c084a3f74c02d5d22444
[INFO] running `Command { std: "docker" "start" "-a" "6fe5ea5170ba921e6ee040244a5160aacc09d1312155c084a3f74c02d5d22444", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fe5ea5170ba921e6ee040244a5160aacc09d1312155c084a3f74c02d5d22444", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fe5ea5170ba921e6ee040244a5160aacc09d1312155c084a3f74c02d5d22444", kill_on_drop: false }`
[INFO] [stdout] 6fe5ea5170ba921e6ee040244a5160aacc09d1312155c084a3f74c02d5d22444
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-03-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c635046b64c787771d23997d31ca152a83d0413c25c61717534cd8b0182888c4
[INFO] running `Command { std: "docker" "start" "-a" "c635046b64c787771d23997d31ca152a83d0413c25c61717534cd8b0182888c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:27:16
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn target() -> String {
[INFO] [stdout]    |    ------      ^^^^^^ expected `String`, found `()`
[INFO] [stdout]    |    |
[INFO] [stdout]    |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> src/main.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |     let target = target();
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wasm-bench` (bin "wasm-bench") due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "c635046b64c787771d23997d31ca152a83d0413c25c61717534cd8b0182888c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c635046b64c787771d23997d31ca152a83d0413c25c61717534cd8b0182888c4", kill_on_drop: false }`
[INFO] [stdout] c635046b64c787771d23997d31ca152a83d0413c25c61717534cd8b0182888c4