[INFO] cloning repository https://github.com/qundao/mirror-mergiraf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qundao/mirror-mergiraf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqundao%2Fmirror-mergiraf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqundao%2Fmirror-mergiraf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 035facf9ae51f66fda61586059cabe6110d419dc
[INFO] checking qundao/mirror-mergiraf against e977a0b5ab976a591981e7263bd67a71a4f79308 for pr-158914
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqundao%2Fmirror-mergiraf" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/qundao/mirror-mergiraf
[INFO] finished tweaking git repo https://github.com/qundao/mirror-mergiraf
[INFO] tweaked toml for git repo https://github.com/qundao/mirror-mergiraf written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/qundao/mirror-mergiraf on toolchain e977a0b5ab976a591981e7263bd67a71a4f79308
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/qundao/mirror-mergiraf 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" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f27c94ab462cc1fa1e67b95595217cfeee3ef075d2e4b44824a46c66bdb1b488
[INFO] running `Command { std: "docker" "start" "f27c94ab462cc1fa1e67b95595217cfeee3ef075d2e4b44824a46c66bdb1b488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f27c94ab462cc1fa1e67b95595217cfeee3ef075d2e4b44824a46c66bdb1b488", 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" "f27c94ab462cc1fa1e67b95595217cfeee3ef075d2e4b44824a46c66bdb1b488" "/opt/rustwide/cargo-home/bin/cargo" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f27c94ab462cc1fa1e67b95595217cfeee3ef075d2e4b44824a46c66bdb1b488", 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" "f27c94ab462cc1fa1e67b95595217cfeee3ef075d2e4b44824a46c66bdb1b488" "/opt/rustwide/cargo-home/bin/cargo" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling mergiraf v0.18.0 (/opt/rustwide/workdir)
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[INFO] [stdout] error[E0492]: interior mutable shared borrows of temporaries that have their lifetime extended until the end of the program are not allowed
[INFO] [stdout]   --> src/multimap.rs:62:32
[INFO] [stdout]    |
[INFO] [stdout] 62 |             .unwrap_or(const { &HashSet::with_hasher(FxBuildHasher) })
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this borrow of an interior mutable value refers to such a temporary
[INFO] [stdout]    |
[INFO] [stdout]    = note: temporaries in constants and statics can have their lifetime extended until the end of the program
[INFO] [stdout]    = note: to avoid accidentally creating global mutable state, such temporaries must be immutable
[INFO] [stdout]    = help: if you really want global mutable state, try replacing the temporary by an interior mutable `static` or a `static mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0492`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mergiraf` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f27c94ab462cc1fa1e67b95595217cfeee3ef075d2e4b44824a46c66bdb1b488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f27c94ab462cc1fa1e67b95595217cfeee3ef075d2e4b44824a46c66bdb1b488", kill_on_drop: false }`
[INFO] [stdout] f27c94ab462cc1fa1e67b95595217cfeee3ef075d2e4b44824a46c66bdb1b488
