[INFO] fetching crate fregate 0.3.1...
[INFO] checking fregate-0.3.1 against master#8a497b7181cad4ae66dbd6cc31042b69b6bd0df7 for pr-102474
[INFO] extracting crate fregate 0.3.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate fregate 0.3.1 on toolchain 8a497b7181cad4ae66dbd6cc31042b69b6bd0df7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fregate 0.3.1
[INFO] finished tweaking crates.io crate fregate 0.3.1
[INFO] tweaked toml for crates.io crate fregate 0.3.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97bd26a8cd7ffd28864df1053bb7d3f740f8deeea978a7b3cbe47a5e7df23092
[INFO] running `Command { std: "docker" "start" "-a" "97bd26a8cd7ffd28864df1053bb7d3f740f8deeea978a7b3cbe47a5e7df23092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97bd26a8cd7ffd28864df1053bb7d3f740f8deeea978a7b3cbe47a5e7df23092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97bd26a8cd7ffd28864df1053bb7d3f740f8deeea978a7b3cbe47a5e7df23092", kill_on_drop: false }`
[INFO] [stdout] 97bd26a8cd7ffd28864df1053bb7d3f740f8deeea978a7b3cbe47a5e7df23092
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+8a497b7181cad4ae66dbd6cc31042b69b6bd0df7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf2a584d118922e71e996ef396bb002c6193bd28c856159725d4514d7593f3dc
[INFO] running `Command { std: "docker" "start" "-a" "cf2a584d118922e71e996ef396bb002c6193bd28c856159725d4514d7593f3dc", kill_on_drop: false }`
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[INFO] [stderr]     Checking fregate v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.79s
[INFO] running `Command { std: "docker" "inspect" "cf2a584d118922e71e996ef396bb002c6193bd28c856159725d4514d7593f3dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf2a584d118922e71e996ef396bb002c6193bd28c856159725d4514d7593f3dc", kill_on_drop: false }`
[INFO] [stdout] cf2a584d118922e71e996ef396bb002c6193bd28c856159725d4514d7593f3dc