[INFO] fetching crate serde-value 0.7.0...
[INFO] testing serde-value-0.7.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate serde-value 0.7.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate serde-value 0.7.0 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 serde-value 0.7.0
[INFO] finished tweaking crates.io crate serde-value 0.7.0
[INFO] tweaked toml for crates.io crate serde-value 0.7.0 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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6b77a835a4de99af0d45c5d3bc5d1f910fd1bb084e6d463070e417ebb57ab3b
[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" "e6b77a835a4de99af0d45c5d3bc5d1f910fd1bb084e6d463070e417ebb57ab3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6b77a835a4de99af0d45c5d3bc5d1f910fd1bb084e6d463070e417ebb57ab3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6b77a835a4de99af0d45c5d3bc5d1f910fd1bb084e6d463070e417ebb57ab3b", kill_on_drop: false }`
[INFO] [stdout] e6b77a835a4de99af0d45c5d3bc5d1f910fd1bb084e6d463070e417ebb57ab3b
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0d2ba374921b2a134b1de3c42903f50aea7cfdaa365c67d5e45418b3b78a3bb
[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" "b0d2ba374921b2a134b1de3c42903f50aea7cfdaa365c67d5e45418b3b78a3bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling ordered-float v2.0.1
[INFO] [stderr]    Compiling serde-value v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "b0d2ba374921b2a134b1de3c42903f50aea7cfdaa365c67d5e45418b3b78a3bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0d2ba374921b2a134b1de3c42903f50aea7cfdaa365c67d5e45418b3b78a3bb", kill_on_drop: false }`
[INFO] [stdout] b0d2ba374921b2a134b1de3c42903f50aea7cfdaa365c67d5e45418b3b78a3bb
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 630b809189934d81cf8b032d190b0687d84f0eaf0fb1a432085f4a64f6fed7e6
[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" "630b809189934d81cf8b032d190b0687d84f0eaf0fb1a432085f4a64f6fed7e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde-value v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "630b809189934d81cf8b032d190b0687d84f0eaf0fb1a432085f4a64f6fed7e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "630b809189934d81cf8b032d190b0687d84f0eaf0fb1a432085f4a64f6fed7e6", kill_on_drop: false }`
[INFO] [stdout] 630b809189934d81cf8b032d190b0687d84f0eaf0fb1a432085f4a64f6fed7e6
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e31971d5cd2ad3fb42107e61f20e1c459619e2408c85ca90e297449533d8a7b6
[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" "e31971d5cd2ad3fb42107e61f20e1c459619e2408c85ca90e297449533d8a7b6", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 7 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde_value-d04991cd5d654645
[INFO] [stdout] test de_smoke_test ... ok
[INFO] [stdout] test deserialize_into_enum ... ok
[INFO] [stdout] test ser_smoke_test ... ok
[INFO] [stdout] test deserialize_newtype ... ok
[INFO] [stdout] test serialize_from_enum ... ok
[INFO] [stdout] test deserialize_inside_deserialize_impl ... ok
[INFO] [stdout] test deserialize_newtype2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde-value
[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" "e31971d5cd2ad3fb42107e61f20e1c459619e2408c85ca90e297449533d8a7b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e31971d5cd2ad3fb42107e61f20e1c459619e2408c85ca90e297449533d8a7b6", kill_on_drop: false }`
[INFO] [stdout] e31971d5cd2ad3fb42107e61f20e1c459619e2408c85ca90e297449533d8a7b6