[INFO] fetching crate buffertk 0.4.0...
[INFO] checking buffertk-0.4.0 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate buffertk 0.4.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate buffertk 0.4.0 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate buffertk 0.4.0
[INFO] finished tweaking crates.io crate buffertk 0.4.0
[INFO] tweaked toml for crates.io crate buffertk 0.4.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate buffertk 0.4.0 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a96c0d58494ea6ef0e3dfd857b1e5d2b3d971623790c8a6e3d17620d75a2225
[INFO] running `Command { std: "docker" "start" "-a" "1a96c0d58494ea6ef0e3dfd857b1e5d2b3d971623790c8a6e3d17620d75a2225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a96c0d58494ea6ef0e3dfd857b1e5d2b3d971623790c8a6e3d17620d75a2225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a96c0d58494ea6ef0e3dfd857b1e5d2b3d971623790c8a6e3d17620d75a2225", kill_on_drop: false }`
[INFO] [stdout] 1a96c0d58494ea6ef0e3dfd857b1e5d2b3d971623790c8a6e3d17620d75a2225
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b5d12b490d4ed4db8c0a0679fe33e37f2f9b88bcc155d8dc36c806183a39d40
[INFO] running `Command { std: "docker" "start" "-a" "1b5d12b490d4ed4db8c0a0679fe33e37f2f9b88bcc155d8dc36c806183a39d40", kill_on_drop: false }`
[INFO] [stderr]     Checking buffertk v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "1b5d12b490d4ed4db8c0a0679fe33e37f2f9b88bcc155d8dc36c806183a39d40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b5d12b490d4ed4db8c0a0679fe33e37f2f9b88bcc155d8dc36c806183a39d40", kill_on_drop: false }`
[INFO] [stdout] 1b5d12b490d4ed4db8c0a0679fe33e37f2f9b88bcc155d8dc36c806183a39d40
[INFO] checking buffertk-0.4.0 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] extracting crate buffertk 0.4.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate buffertk 0.4.0 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate buffertk 0.4.0
[INFO] finished tweaking crates.io crate buffertk 0.4.0
[INFO] tweaked toml for crates.io crate buffertk 0.4.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate buffertk 0.4.0 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" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 586812dacaa683fed98fcaf0d7dc872fae54904d939347b4fd177e6c8b30dfe3
[INFO] running `Command { std: "docker" "start" "-a" "586812dacaa683fed98fcaf0d7dc872fae54904d939347b4fd177e6c8b30dfe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "586812dacaa683fed98fcaf0d7dc872fae54904d939347b4fd177e6c8b30dfe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "586812dacaa683fed98fcaf0d7dc872fae54904d939347b4fd177e6c8b30dfe3", kill_on_drop: false }`
[INFO] [stdout] 586812dacaa683fed98fcaf0d7dc872fae54904d939347b4fd177e6c8b30dfe3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dunexpected_cfgs" "-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" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] eed6989cd161674a2b0680b2e07617481fe04f13337e2e9f516fd192145d4985
[INFO] running `Command { std: "docker" "start" "-a" "eed6989cd161674a2b0680b2e07617481fe04f13337e2e9f516fd192145d4985", kill_on_drop: false }`
[INFO] [stderr]     Checking buffertk v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "eed6989cd161674a2b0680b2e07617481fe04f13337e2e9f516fd192145d4985", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eed6989cd161674a2b0680b2e07617481fe04f13337e2e9f516fd192145d4985", kill_on_drop: false }`
[INFO] [stdout] eed6989cd161674a2b0680b2e07617481fe04f13337e2e9f516fd192145d4985
