[INFO] fetching crate flathead 0.1.0...
[INFO] testing flathead-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate flathead 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate flathead 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 891056d234dc0667ba6fca994308a3d0026ac8aeb72715fe4e4f76466e4b3362
[INFO] running `Command { std: "docker" "start" "-a" "891056d234dc0667ba6fca994308a3d0026ac8aeb72715fe4e4f76466e4b3362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "891056d234dc0667ba6fca994308a3d0026ac8aeb72715fe4e4f76466e4b3362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "891056d234dc0667ba6fca994308a3d0026ac8aeb72715fe4e4f76466e4b3362", kill_on_drop: false }`
[INFO] [stdout] 891056d234dc0667ba6fca994308a3d0026ac8aeb72715fe4e4f76466e4b3362
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ce009e024302b4a7be27ede21b95d5d67f2ae5bf6dbb5fc10a3aef8c96318ad
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8ce009e024302b4a7be27ede21b95d5d67f2ae5bf6dbb5fc10a3aef8c96318ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling flathead v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "8ce009e024302b4a7be27ede21b95d5d67f2ae5bf6dbb5fc10a3aef8c96318ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ce009e024302b4a7be27ede21b95d5d67f2ae5bf6dbb5fc10a3aef8c96318ad", kill_on_drop: false }`
[INFO] [stdout] 8ce009e024302b4a7be27ede21b95d5d67f2ae5bf6dbb5fc10a3aef8c96318ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17be2ef0236c54dfdc4f22b04c7e8fae60a2cfa8f34164c1bdaca60af537f3ab
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "17be2ef0236c54dfdc4f22b04c7e8fae60a2cfa8f34164c1bdaca60af537f3ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling flathead v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "17be2ef0236c54dfdc4f22b04c7e8fae60a2cfa8f34164c1bdaca60af537f3ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17be2ef0236c54dfdc4f22b04c7e8fae60a2cfa8f34164c1bdaca60af537f3ab", kill_on_drop: false }`
[INFO] [stdout] 17be2ef0236c54dfdc4f22b04c7e8fae60a2cfa8f34164c1bdaca60af537f3ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e932ff0f6be440e1c8e03df3fc01fefd5bfd2999c9db8a6344b1621745ee7314
[INFO] running `Command { std: "docker" "start" "-a" "e932ff0f6be440e1c8e03df3fc01fefd5bfd2999c9db8a6344b1621745ee7314", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/flathead-611869eb9a78b205
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e932ff0f6be440e1c8e03df3fc01fefd5bfd2999c9db8a6344b1621745ee7314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e932ff0f6be440e1c8e03df3fc01fefd5bfd2999c9db8a6344b1621745ee7314", kill_on_drop: false }`
[INFO] [stdout] e932ff0f6be440e1c8e03df3fc01fefd5bfd2999c9db8a6344b1621745ee7314