[INFO] fetching crate concurrent 0.2.2...
[INFO] documenting concurrent-0.2.2 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate concurrent 0.2.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate concurrent 0.2.2 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate concurrent 0.2.2
[INFO] finished tweaking crates.io crate concurrent 0.2.2
[INFO] tweaked toml for crates.io crate concurrent 0.2.2 written to /workspace/builds/worker-3-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" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6729078bc52fa97b86cea6897cd2d5325ce1b99931de8dc3d33711d512aeeece
[INFO] running `Command { std: "docker" "start" "-a" "6729078bc52fa97b86cea6897cd2d5325ce1b99931de8dc3d33711d512aeeece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6729078bc52fa97b86cea6897cd2d5325ce1b99931de8dc3d33711d512aeeece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6729078bc52fa97b86cea6897cd2d5325ce1b99931de8dc3d33711d512aeeece", kill_on_drop: false }`
[INFO] [stdout] 6729078bc52fa97b86cea6897cd2d5325ce1b99931de8dc3d33711d512aeeece
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb1312ff10be662e9f3f164dd3ea0d7a0bcbbf766f713c1447cc4385b870b1f7
[INFO] running `Command { std: "docker" "start" "-a" "bb1312ff10be662e9f3f164dd3ea0d7a0bcbbf766f713c1447cc4385b870b1f7", kill_on_drop: false }`
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking spin v0.4.10
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/spin-0.4.10/src/lib.rs:6:43
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![cfg_attr(feature = "const_fn", feature(const_fn))]
[INFO] [stdout]   |                                           ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `spin` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "bb1312ff10be662e9f3f164dd3ea0d7a0bcbbf766f713c1447cc4385b870b1f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb1312ff10be662e9f3f164dd3ea0d7a0bcbbf766f713c1447cc4385b870b1f7", kill_on_drop: false }`
[INFO] [stdout] bb1312ff10be662e9f3f164dd3ea0d7a0bcbbf766f713c1447cc4385b870b1f7
