[INFO] fetching crate cfn 0.0.8...
[INFO] checking cfn-0.0.8 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate cfn 0.0.8 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate cfn 0.0.8 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cfn 0.0.8
[INFO] finished tweaking crates.io crate cfn 0.0.8
[INFO] tweaked toml for crates.io crate cfn 0.0.8 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4278128fc2d64fd1f3e1009f22ecc348471607669f01e167b4dcaee39c66d337
[INFO] running `Command { std: "docker" "start" "-a" "4278128fc2d64fd1f3e1009f22ecc348471607669f01e167b4dcaee39c66d337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4278128fc2d64fd1f3e1009f22ecc348471607669f01e167b4dcaee39c66d337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4278128fc2d64fd1f3e1009f22ecc348471607669f01e167b4dcaee39c66d337", kill_on_drop: false }`
[INFO] [stdout] 4278128fc2d64fd1f3e1009f22ecc348471607669f01e167b4dcaee39c66d337
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e739b1abdd6e12839b2032e05ecd469e52f3a865352a6640ddb7f15fbad98c6
[INFO] running `Command { std: "docker" "start" "-a" "3e739b1abdd6e12839b2032e05ecd469e52f3a865352a6640ddb7f15fbad98c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking cfn v0.0.8 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `cfn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cfn src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=aa20bbffdfd0ee4a -C extra-filename=-aa20bbffdfd0ee4a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-eae00200c87ee54b.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-3ca0e0d5c92dd10d.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-3d3cff6f01241611.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-576bbffb45a04929.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3e739b1abdd6e12839b2032e05ecd469e52f3a865352a6640ddb7f15fbad98c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e739b1abdd6e12839b2032e05ecd469e52f3a865352a6640ddb7f15fbad98c6", kill_on_drop: false }`
[INFO] [stdout] 3e739b1abdd6e12839b2032e05ecd469e52f3a865352a6640ddb7f15fbad98c6