[INFO] fetching crate sval_derive 1.0.0-alpha.4...
[INFO] testing sval_derive-1.0.0-alpha.4 against 1.49.0 for beta-1.50-1
[INFO] extracting crate sval_derive 1.0.0-alpha.4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate sval_derive 1.0.0-alpha.4 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 sval_derive 1.0.0-alpha.4
[INFO] finished tweaking crates.io crate sval_derive 1.0.0-alpha.4
[INFO] tweaked toml for crates.io crate sval_derive 1.0.0-alpha.4 written to /workspace/builds/worker-1/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] 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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c7e84ee71cc3fda083f5d6794674530bad5b9b76293963ddbd5e60bc6521d99
[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" "0c7e84ee71cc3fda083f5d6794674530bad5b9b76293963ddbd5e60bc6521d99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c7e84ee71cc3fda083f5d6794674530bad5b9b76293963ddbd5e60bc6521d99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c7e84ee71cc3fda083f5d6794674530bad5b9b76293963ddbd5e60bc6521d99", kill_on_drop: false }`
[INFO] [stdout] 0c7e84ee71cc3fda083f5d6794674530bad5b9b76293963ddbd5e60bc6521d99
[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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 579243963f74d8de5f149e00f96ae328afa269fb6ab57e7f9b48d68c60e3545a
[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" "579243963f74d8de5f149e00f96ae328afa269fb6ab57e7f9b48d68c60e3545a", kill_on_drop: false }`
[INFO] [stderr]    Compiling sval_derive v1.0.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.70s
[INFO] running `Command { std: "docker" "inspect" "579243963f74d8de5f149e00f96ae328afa269fb6ab57e7f9b48d68c60e3545a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "579243963f74d8de5f149e00f96ae328afa269fb6ab57e7f9b48d68c60e3545a", kill_on_drop: false }`
[INFO] [stdout] 579243963f74d8de5f149e00f96ae328afa269fb6ab57e7f9b48d68c60e3545a
[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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", 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] 79eafc08606fd403499eeca1d66d84d2aa5ce98d02b3fe702c5adeab678bf62b
[INFO] running `Command { std: "docker" "start" "-a" "79eafc08606fd403499eeca1d66d84d2aa5ce98d02b3fe702c5adeab678bf62b", kill_on_drop: false }`
[INFO] [stderr]    Compiling sval_derive v1.0.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "79eafc08606fd403499eeca1d66d84d2aa5ce98d02b3fe702c5adeab678bf62b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79eafc08606fd403499eeca1d66d84d2aa5ce98d02b3fe702c5adeab678bf62b", kill_on_drop: false }`
[INFO] [stdout] 79eafc08606fd403499eeca1d66d84d2aa5ce98d02b3fe702c5adeab678bf62b
[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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1e52ec04f1a91ea324196137638e1c50ecdc8a1bcfb0885f5d8d1532b6cf3f0a
[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" "1e52ec04f1a91ea324196137638e1c50ecdc8a1bcfb0885f5d8d1532b6cf3f0a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sval_derive-9eb0d63275e6abbd
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sval_derive
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "1e52ec04f1a91ea324196137638e1c50ecdc8a1bcfb0885f5d8d1532b6cf3f0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e52ec04f1a91ea324196137638e1c50ecdc8a1bcfb0885f5d8d1532b6cf3f0a", kill_on_drop: false }`
[INFO] [stdout] 1e52ec04f1a91ea324196137638e1c50ecdc8a1bcfb0885f5d8d1532b6cf3f0a