[INFO] fetching crate double-checked-cell 2.1.0...
[INFO] checking double-checked-cell-2.1.0 against master#04e957578c77c95a0505f5818d0068b459f673e3 for pr-108782-1
[INFO] extracting crate double-checked-cell 2.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate double-checked-cell 2.1.0 on toolchain 04e957578c77c95a0505f5818d0068b459f673e3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+04e957578c77c95a0505f5818d0068b459f673e3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate double-checked-cell 2.1.0
[INFO] finished tweaking crates.io crate double-checked-cell 2.1.0
[INFO] tweaked toml for crates.io crate double-checked-cell 2.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+04e957578c77c95a0505f5818d0068b459f673e3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+04e957578c77c95a0505f5818d0068b459f673e3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded instant v0.1.12
[INFO] [stderr]   Downloaded smallvec v1.10.0
[INFO] [stderr]   Downloaded parking_lot v0.11.2
[INFO] [stderr]   Downloaded lock_api v0.4.9
[INFO] [stderr]   Downloaded redox_syscall v0.2.16
[INFO] [stderr]   Downloaded libc v0.2.139
[INFO] [stderr]   Downloaded unreachable v1.0.0
[INFO] [stderr]   Downloaded parking_lot_core v0.8.6
[INFO] [stderr]   Downloaded winapi v0.3.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e2a9e7e193985ba0d5a8221c3984785a9e0a75acc409a02815633ff67a1f464e" "/opt/rustwide/cargo-home/bin/cargo" "+04e957578c77c95a0505f5818d0068b459f673e3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c25e20f7ad7550065eaf51977aafdebc16eda6106996f68c5d388a9fd0a70b4d
[INFO] running `Command { std: "docker" "start" "-a" "c25e20f7ad7550065eaf51977aafdebc16eda6106996f68c5d388a9fd0a70b4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c25e20f7ad7550065eaf51977aafdebc16eda6106996f68c5d388a9fd0a70b4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c25e20f7ad7550065eaf51977aafdebc16eda6106996f68c5d388a9fd0a70b4d", kill_on_drop: false }`
[INFO] [stdout] c25e20f7ad7550065eaf51977aafdebc16eda6106996f68c5d388a9fd0a70b4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e2a9e7e193985ba0d5a8221c3984785a9e0a75acc409a02815633ff67a1f464e" "/opt/rustwide/cargo-home/bin/cargo" "+04e957578c77c95a0505f5818d0068b459f673e3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 642e787aa269a08c3070a454eaec4d2d7cd7ccf0c588a15f7e91d20bfb396705
[INFO] running `Command { std: "docker" "start" "-a" "642e787aa269a08c3070a454eaec4d2d7cd7ccf0c588a15f7e91d20bfb396705", kill_on_drop: false }`
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking scopeguard v0.1.2
[INFO] [stderr]     Checking variance v0.1.3
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking double-checked-cell v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking scoped-pool v1.0.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "642e787aa269a08c3070a454eaec4d2d7cd7ccf0c588a15f7e91d20bfb396705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "642e787aa269a08c3070a454eaec4d2d7cd7ccf0c588a15f7e91d20bfb396705", kill_on_drop: false }`
[INFO] [stdout] 642e787aa269a08c3070a454eaec4d2d7cd7ccf0c588a15f7e91d20bfb396705