[INFO] cloning repository https://github.com/RustExamples/variables_and_mutability
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RustExamples/variables_and_mutability" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustExamples%2Fvariables_and_mutability", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustExamples%2Fvariables_and_mutability'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c3f53b3fc1212a4c049dbdcf82dfa17d808097b4
[INFO] checking RustExamples/variables_and_mutability against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRustExamples%2Fvariables_and_mutability" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RustExamples/variables_and_mutability on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RustExamples/variables_and_mutability
[INFO] finished tweaking git repo https://github.com/RustExamples/variables_and_mutability
[INFO] tweaked toml for git repo https://github.com/RustExamples/variables_and_mutability written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/RustExamples/variables_and_mutability already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 567f5621baaa84d5a869256d6f5f5597d9dd6e1d8a3f476e15615704e1c31b58
[INFO] running `Command { std: "docker" "start" "-a" "567f5621baaa84d5a869256d6f5f5597d9dd6e1d8a3f476e15615704e1c31b58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "567f5621baaa84d5a869256d6f5f5597d9dd6e1d8a3f476e15615704e1c31b58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "567f5621baaa84d5a869256d6f5f5597d9dd6e1d8a3f476e15615704e1c31b58", kill_on_drop: false }`
[INFO] [stdout] 567f5621baaa84d5a869256d6f5f5597d9dd6e1d8a3f476e15615704e1c31b58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0af7ee94cdcaf293438c2735f28519876da1dd319fcf4a0b3f9a560e86fa7790
[INFO] running `Command { std: "docker" "start" "-a" "0af7ee94cdcaf293438c2735f28519876da1dd319fcf4a0b3f9a560e86fa7790", kill_on_drop: false }`
[INFO] [stderr]     Checking variables_and_mutability v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "0af7ee94cdcaf293438c2735f28519876da1dd319fcf4a0b3f9a560e86fa7790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0af7ee94cdcaf293438c2735f28519876da1dd319fcf4a0b3f9a560e86fa7790", kill_on_drop: false }`
[INFO] [stdout] 0af7ee94cdcaf293438c2735f28519876da1dd319fcf4a0b3f9a560e86fa7790