[INFO] fetching crate kvarn_async 0.6.0...
[INFO] checking kvarn_async-0.6.0 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate kvarn_async 0.6.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate kvarn_async 0.6.0 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kvarn_async 0.6.0
[INFO] finished tweaking crates.io crate kvarn_async 0.6.0
[INFO] tweaked toml for crates.io crate kvarn_async 0.6.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 44 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.22.0 (latest: v0.24.1)
[INFO] [stderr]       Adding compact_str v0.7.1 (latest: v0.8.0)
[INFO] [stderr]       Adding gimli v0.29.0 (latest: v0.31.0)
[INFO] [stderr]       Adding miniz_oxide v0.7.4 (latest: v0.8.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kvarn_utils v0.6.0
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e481d4538dca9568d56e4bf8e6d49730c8acc8cd57c4ea6299110dc11a662d24
[INFO] running `Command { std: "docker" "start" "-a" "e481d4538dca9568d56e4bf8e6d49730c8acc8cd57c4ea6299110dc11a662d24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e481d4538dca9568d56e4bf8e6d49730c8acc8cd57c4ea6299110dc11a662d24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e481d4538dca9568d56e4bf8e6d49730c8acc8cd57c4ea6299110dc11a662d24", kill_on_drop: false }`
[INFO] [stdout] e481d4538dca9568d56e4bf8e6d49730c8acc8cd57c4ea6299110dc11a662d24
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24232ff0af8cc0dd93f59b4a5cdbbce0461efdd658a6a7797352a4cbc2275bb3
[INFO] running `Command { std: "docker" "start" "-a" "24232ff0af8cc0dd93f59b4a5cdbbce0461efdd658a6a7797352a4cbc2275bb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking bytes v1.7.1
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]     Checking castaway v0.2.3
[INFO] [stderr]     Checking compact_str v0.7.1
[INFO] [stderr]     Checking kvarn_utils v0.6.0
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking tokio v1.39.3
[INFO] [stderr]     Checking kvarn_async v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.00s
[INFO] running `Command { std: "docker" "inspect" "24232ff0af8cc0dd93f59b4a5cdbbce0461efdd658a6a7797352a4cbc2275bb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24232ff0af8cc0dd93f59b4a5cdbbce0461efdd658a6a7797352a4cbc2275bb3", kill_on_drop: false }`
[INFO] [stdout] 24232ff0af8cc0dd93f59b4a5cdbbce0461efdd658a6a7797352a4cbc2275bb3