[INFO] fetching crate ymlctx 0.1.8...
[INFO] checking ymlctx-0.1.8 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate ymlctx 0.1.8 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate ymlctx 0.1.8 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 ymlctx 0.1.8
[INFO] finished tweaking crates.io crate ymlctx 0.1.8
[INFO] tweaked toml for crates.io crate ymlctx 0.1.8 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]      Locking 31 packages to latest compatible versions
[INFO] [stderr]       Adding proc-macro-hack v0.4.3 (latest: v0.5.20+deprecated)
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (latest: v1.0.86)
[INFO] [stderr]       Adding pyo3 v0.5.4 (latest: v0.22.2)
[INFO] [stderr]       Adding pyo3-derive-backend v0.5.4 (latest: v0.12.5)
[INFO] [stderr]       Adding pyo3cls v0.5.4 (latest: v0.12.5)
[INFO] [stderr]       Adding quote v0.6.13 (latest: v1.0.37)
[INFO] [stderr]       Adding rpds v0.5.0 (latest: v1.1.0)
[INFO] [stderr]       Adding spin v0.4.10 (latest: v0.9.8)
[INFO] [stderr]       Adding syn v0.15.44 (latest: v2.0.76)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (latest: v0.2.5)
[INFO] [stderr]       Adding version_check v0.1.5 (latest: v0.9.5)
[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] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-hack-impl v0.4.3
[INFO] [stderr]   Downloaded pyo3cls v0.5.4
[INFO] [stderr]   Downloaded proc-macro-hack v0.4.3
[INFO] [stderr]   Downloaded mashup v0.1.14+deprecated
[INFO] [stderr]   Downloaded pyo3-derive-backend v0.5.4
[INFO] [stderr]   Downloaded spin v0.4.10
[INFO] [stderr]   Downloaded rpds v0.5.0
[INFO] [stderr]   Downloaded mashup-impl v0.1.14+deprecated
[INFO] [stderr]   Downloaded pyo3 v0.5.4
[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] eabb9c3bd4b84b726019a72566ddb960d4915738e2e7cf431c0b2c95ef6b600c
[INFO] running `Command { std: "docker" "start" "-a" "eabb9c3bd4b84b726019a72566ddb960d4915738e2e7cf431c0b2c95ef6b600c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eabb9c3bd4b84b726019a72566ddb960d4915738e2e7cf431c0b2c95ef6b600c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eabb9c3bd4b84b726019a72566ddb960d4915738e2e7cf431c0b2c95ef6b600c", kill_on_drop: false }`
[INFO] [stdout] eabb9c3bd4b84b726019a72566ddb960d4915738e2e7cf431c0b2c95ef6b600c
[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] fab1dcfe829e540fe4cd08ad3463f8a0bc57ee5278b91a62279154e81522b7fe
[INFO] running `Command { std: "docker" "start" "-a" "fab1dcfe829e540fe4cd08ad3463f8a0bc57ee5278b91a62279154e81522b7fe", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking rpds v0.5.0
[INFO] [stderr]     Checking ymlctx v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `Command { std: "docker" "inspect" "fab1dcfe829e540fe4cd08ad3463f8a0bc57ee5278b91a62279154e81522b7fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fab1dcfe829e540fe4cd08ad3463f8a0bc57ee5278b91a62279154e81522b7fe", kill_on_drop: false }`
[INFO] [stdout] fab1dcfe829e540fe4cd08ad3463f8a0bc57ee5278b91a62279154e81522b7fe