[INFO] fetching crate decent-serde-toml-derive-alternative 0.1.0...
[INFO] testing decent-serde-toml-derive-alternative-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate decent-serde-toml-derive-alternative 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate decent-serde-toml-derive-alternative 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate decent-serde-toml-derive-alternative 0.1.0
[INFO] finished tweaking crates.io crate decent-serde-toml-derive-alternative 0.1.0
[INFO] tweaked toml for crates.io crate decent-serde-toml-derive-alternative 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded decent-synquote-alternative v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d65845bc7ffe1c27d27147c29eef5ea98571a977730aafdeb8396157f43c5f0
[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" "3d65845bc7ffe1c27d27147c29eef5ea98571a977730aafdeb8396157f43c5f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d65845bc7ffe1c27d27147c29eef5ea98571a977730aafdeb8396157f43c5f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d65845bc7ffe1c27d27147c29eef5ea98571a977730aafdeb8396157f43c5f0", kill_on_drop: false }`
[INFO] [stdout] 3d65845bc7ffe1c27d27147c29eef5ea98571a977730aafdeb8396157f43c5f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5af4089264b027b213b81f2f9d660ee2f6e50a46aa5d467b9c7db8784109061
[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" "d5af4089264b027b213b81f2f9d660ee2f6e50a46aa5d467b9c7db8784109061", kill_on_drop: false }`
[INFO] [stderr]    Compiling decent-synquote-alternative v0.1.0
[INFO] [stderr]    Compiling decent-serde-toml-derive-alternative v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.19s
[INFO] running `Command { std: "docker" "inspect" "d5af4089264b027b213b81f2f9d660ee2f6e50a46aa5d467b9c7db8784109061", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5af4089264b027b213b81f2f9d660ee2f6e50a46aa5d467b9c7db8784109061", kill_on_drop: false }`
[INFO] [stdout] d5af4089264b027b213b81f2f9d660ee2f6e50a46aa5d467b9c7db8784109061
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4390edff75c3fc62d1a3627afe7e53082e4aeab905d4c1739c2ef82db573a1f9
[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" "4390edff75c3fc62d1a3627afe7e53082e4aeab905d4c1739c2ef82db573a1f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling decent-serde-toml-derive-alternative v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "4390edff75c3fc62d1a3627afe7e53082e4aeab905d4c1739c2ef82db573a1f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4390edff75c3fc62d1a3627afe7e53082e4aeab905d4c1739c2ef82db573a1f9", kill_on_drop: false }`
[INFO] [stdout] 4390edff75c3fc62d1a3627afe7e53082e4aeab905d4c1739c2ef82db573a1f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7e28ba9a39337252190e4ec9ed8b573e323f14f2737e63827e20a9df88d40e67
[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" "7e28ba9a39337252190e4ec9ed8b573e323f14f2737e63827e20a9df88d40e67", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/decent_serde_toml_derive_alternative-b6ea38ac23ecbbea
[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] [stderr]    Doc-tests decent-serde-toml-derive-alternative
[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" "7e28ba9a39337252190e4ec9ed8b573e323f14f2737e63827e20a9df88d40e67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e28ba9a39337252190e4ec9ed8b573e323f14f2737e63827e20a9df88d40e67", kill_on_drop: false }`
[INFO] [stdout] 7e28ba9a39337252190e4ec9ed8b573e323f14f2737e63827e20a9df88d40e67