[INFO] fetching crate flathead 0.1.0...
[INFO] testing flathead-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate flathead 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate flathead 0.1.0
[INFO] finished tweaking crates.io crate flathead 0.1.0
[INFO] tweaked toml for crates.io crate flathead 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate flathead 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23c454f97bd4c3dd11f5982b159a4e5eebebc7bff0eb79bf132e04f4c045928e
[INFO] running `Command { std: "docker" "start" "-a" "23c454f97bd4c3dd11f5982b159a4e5eebebc7bff0eb79bf132e04f4c045928e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23c454f97bd4c3dd11f5982b159a4e5eebebc7bff0eb79bf132e04f4c045928e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23c454f97bd4c3dd11f5982b159a4e5eebebc7bff0eb79bf132e04f4c045928e", kill_on_drop: false }`
[INFO] [stdout] 23c454f97bd4c3dd11f5982b159a4e5eebebc7bff0eb79bf132e04f4c045928e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99ba50bec527efde7d14790626d5871fd5bc6c30ee618ac3709f691c32f8ccea
[INFO] running `Command { std: "docker" "start" "-a" "99ba50bec527efde7d14790626d5871fd5bc6c30ee618ac3709f691c32f8ccea", kill_on_drop: false }`
[INFO] [stderr]    Compiling flathead v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "99ba50bec527efde7d14790626d5871fd5bc6c30ee618ac3709f691c32f8ccea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99ba50bec527efde7d14790626d5871fd5bc6c30ee618ac3709f691c32f8ccea", kill_on_drop: false }`
[INFO] [stdout] 99ba50bec527efde7d14790626d5871fd5bc6c30ee618ac3709f691c32f8ccea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e29263ef1baffb42b28436a903023c1c999b3e72654c12a66bdf8094cfa7982
[INFO] running `Command { std: "docker" "start" "-a" "3e29263ef1baffb42b28436a903023c1c999b3e72654c12a66bdf8094cfa7982", kill_on_drop: false }`
[INFO] [stderr]    Compiling flathead v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "3e29263ef1baffb42b28436a903023c1c999b3e72654c12a66bdf8094cfa7982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e29263ef1baffb42b28436a903023c1c999b3e72654c12a66bdf8094cfa7982", kill_on_drop: false }`
[INFO] [stdout] 3e29263ef1baffb42b28436a903023c1c999b3e72654c12a66bdf8094cfa7982
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b9e6435693ff2498f8b73c051c86ccfd24b234671d7669344948e7716e30721c
[INFO] running `Command { std: "docker" "start" "-a" "b9e6435693ff2498f8b73c051c86ccfd24b234671d7669344948e7716e30721c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/flathead-b5a65d149542a6ff)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b9e6435693ff2498f8b73c051c86ccfd24b234671d7669344948e7716e30721c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9e6435693ff2498f8b73c051c86ccfd24b234671d7669344948e7716e30721c", kill_on_drop: false }`
[INFO] [stdout] b9e6435693ff2498f8b73c051c86ccfd24b234671d7669344948e7716e30721c