[INFO] cloning repository https://github.com/vapvin/rust-rand
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vapvin/rust-rand" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvapvin%2Frust-rand", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvapvin%2Frust-rand'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bed6d87ccac308d5e93397d6dee9b4bc7c4daf18
[INFO] testing vapvin/rust-rand against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvapvin%2Frust-rand" "/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/vapvin/rust-rand
[INFO] finished tweaking git repo https://github.com/vapvin/rust-rand
[INFO] tweaked toml for git repo https://github.com/vapvin/rust-rand written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vapvin/rust-rand on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/vapvin/rust-rand 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.9
[INFO] [stderr]   Downloaded libc v0.2.76
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7cf2e9ae7d6b4b2a202a8ce344d167db847b553bda476a8b0bd34831a9a6abb5
[INFO] running `Command { std: "docker" "start" "-a" "7cf2e9ae7d6b4b2a202a8ce344d167db847b553bda476a8b0bd34831a9a6abb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cf2e9ae7d6b4b2a202a8ce344d167db847b553bda476a8b0bd34831a9a6abb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cf2e9ae7d6b4b2a202a8ce344d167db847b553bda476a8b0bd34831a9a6abb5", kill_on_drop: false }`
[INFO] [stdout] 7cf2e9ae7d6b4b2a202a8ce344d167db847b553bda476a8b0bd34831a9a6abb5
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d682219146ac4276fa012060bd650f63f0ea5a827a2922c40ef5f3a17df543e1
[INFO] running `Command { std: "docker" "start" "-a" "d682219146ac4276fa012060bd650f63f0ea5a827a2922c40ef5f3a17df543e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling match-number v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected item, found keyword `let`
[INFO] [stdout]    --> src/main.rs:195:1
[INFO] [stdout]     |
[INFO] [stdout] 195 | let four = IpAddrKind::V4;
[INFO] [stdout]     | ^^^
[INFO] [stdout]     | |
[INFO] [stdout]     | `let` cannot be used for global variables
[INFO] [stdout]     | help: consider using `static` or `const` instead of `let`
[INFO] [stdout]     |
[INFO] [stdout]     = note: for a full list of items that can appear in modules, see <https://doc.rust-lang.org/reference/items.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `match-number` (bin "match-number") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "d682219146ac4276fa012060bd650f63f0ea5a827a2922c40ef5f3a17df543e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d682219146ac4276fa012060bd650f63f0ea5a827a2922c40ef5f3a17df543e1", kill_on_drop: false }`
[INFO] [stdout] d682219146ac4276fa012060bd650f63f0ea5a827a2922c40ef5f3a17df543e1
