[INFO] cloning repository https://github.com/bitzoic/Panic-Message-Substring-Minimal-Repro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bitzoic/Panic-Message-Substring-Minimal-Repro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbitzoic%2FPanic-Message-Substring-Minimal-Repro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbitzoic%2FPanic-Message-Substring-Minimal-Repro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 53ce9f7c4fadb2e0db8f73dab048cd6bad1ac2ce
[INFO] checking bitzoic/Panic-Message-Substring-Minimal-Repro against 67a539cbdf2a0107837ce64f9069509a44da67b7 for pr-164053
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbitzoic%2FPanic-Message-Substring-Minimal-Repro" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bitzoic/Panic-Message-Substring-Minimal-Repro
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/bitzoic/Panic-Message-Substring-Minimal-Repro
[INFO] tweaked toml for git repo https://github.com/bitzoic/Panic-Message-Substring-Minimal-Repro written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bitzoic/Panic-Message-Substring-Minimal-Repro on toolchain 67a539cbdf2a0107837ce64f9069509a44da67b7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+67a539cbdf2a0107837ce64f9069509a44da67b7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bitzoic/Panic-Message-Substring-Minimal-Repro 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" "+67a539cbdf2a0107837ce64f9069509a44da67b7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e01fa6e426f78eca3db9f5ce97e6f5d305a718191fe64fef5bcb41dd6c7cb71a
[INFO] running `Command { std: "docker" "start" "e01fa6e426f78eca3db9f5ce97e6f5d305a718191fe64fef5bcb41dd6c7cb71a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e01fa6e426f78eca3db9f5ce97e6f5d305a718191fe64fef5bcb41dd6c7cb71a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e01fa6e426f78eca3db9f5ce97e6f5d305a718191fe64fef5bcb41dd6c7cb71a" "/opt/rustwide/cargo-home/bin/cargo" "+67a539cbdf2a0107837ce64f9069509a44da67b7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e01fa6e426f78eca3db9f5ce97e6f5d305a718191fe64fef5bcb41dd6c7cb71a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e01fa6e426f78eca3db9f5ce97e6f5d305a718191fe64fef5bcb41dd6c7cb71a" "/opt/rustwide/cargo-home/bin/cargo" "+67a539cbdf2a0107837ce64f9069509a44da67b7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling combine v4.6.7
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[INFO] [stdout] error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ethnum-1.5.0/src/error.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 16 |     unsafe { mem::transmute(()) }
[INFO] [stdout]    |              ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: source type: `()` (0 bits)
[INFO] [stdout]    = note: target type: `TryFromIntError` (8 bits)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0512`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ethnum` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e01fa6e426f78eca3db9f5ce97e6f5d305a718191fe64fef5bcb41dd6c7cb71a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e01fa6e426f78eca3db9f5ce97e6f5d305a718191fe64fef5bcb41dd6c7cb71a", kill_on_drop: false }`
[INFO] [stdout] e01fa6e426f78eca3db9f5ce97e6f5d305a718191fe64fef5bcb41dd6c7cb71a
