[INFO] fetching crate async-once-cell 0.5.3...
[INFO] checking async-once-cell-0.5.3 against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] extracting crate async-once-cell 0.5.3 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate async-once-cell 0.5.3 on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-once-cell 0.5.3
[INFO] finished tweaking crates.io crate async-once-cell 0.5.3
[INFO] tweaked toml for crates.io crate async-once-cell 0.5.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded critical-section v1.1.2
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e8bb71463de2a3ea8a09c73e82a659ec2580bee1eb7e691fa68f32aab937c51
[INFO] running `Command { std: "docker" "start" "-a" "4e8bb71463de2a3ea8a09c73e82a659ec2580bee1eb7e691fa68f32aab937c51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e8bb71463de2a3ea8a09c73e82a659ec2580bee1eb7e691fa68f32aab937c51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e8bb71463de2a3ea8a09c73e82a659ec2580bee1eb7e691fa68f32aab937c51", kill_on_drop: false }`
[INFO] [stdout] 4e8bb71463de2a3ea8a09c73e82a659ec2580bee1eb7e691fa68f32aab937c51
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6f2bbe4ec4d33a10ac6559db83b5b9f711eb927aa7441d044c8c0c297ee19f4
[INFO] running `Command { std: "docker" "start" "-a" "c6f2bbe4ec4d33a10ac6559db83b5b9f711eb927aa7441d044c8c0c297ee19f4", kill_on_drop: false }`
[INFO] [stderr]     Checking async-once-cell v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "c6f2bbe4ec4d33a10ac6559db83b5b9f711eb927aa7441d044c8c0c297ee19f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6f2bbe4ec4d33a10ac6559db83b5b9f711eb927aa7441d044c8c0c297ee19f4", kill_on_drop: false }`
[INFO] [stdout] c6f2bbe4ec4d33a10ac6559db83b5b9f711eb927aa7441d044c8c0c297ee19f4
[INFO] checking async-once-cell-0.5.3 against try#785364c7e5e0804473a3fddfb579798ea14e3493 for pr-114682
[INFO] extracting crate async-once-cell 0.5.3 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate async-once-cell 0.5.3 on toolchain 785364c7e5e0804473a3fddfb579798ea14e3493
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-once-cell 0.5.3
[INFO] finished tweaking crates.io crate async-once-cell 0.5.3
[INFO] tweaked toml for crates.io crate async-once-cell 0.5.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93fa70f89a4f3f5e72ef81d4d996ef4845f285ed052957faa6f3086aae02dcb0
[INFO] running `Command { std: "docker" "start" "-a" "93fa70f89a4f3f5e72ef81d4d996ef4845f285ed052957faa6f3086aae02dcb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93fa70f89a4f3f5e72ef81d4d996ef4845f285ed052957faa6f3086aae02dcb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93fa70f89a4f3f5e72ef81d4d996ef4845f285ed052957faa6f3086aae02dcb0", kill_on_drop: false }`
[INFO] [stdout] 93fa70f89a4f3f5e72ef81d4d996ef4845f285ed052957faa6f3086aae02dcb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb3320dabdf9c91a816687bc03d6bd6e93e36462e55c4d800caa04b7cdb92f7e
[INFO] running `Command { std: "docker" "start" "-a" "bb3320dabdf9c91a816687bc03d6bd6e93e36462e55c4d800caa04b7cdb92f7e", kill_on_drop: false }`
[INFO] [stderr]     Checking async-once-cell v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "bb3320dabdf9c91a816687bc03d6bd6e93e36462e55c4d800caa04b7cdb92f7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb3320dabdf9c91a816687bc03d6bd6e93e36462e55c4d800caa04b7cdb92f7e", kill_on_drop: false }`
[INFO] [stdout] bb3320dabdf9c91a816687bc03d6bd6e93e36462e55c4d800caa04b7cdb92f7e
