[INFO] fetching crate forest_json_utils 0.1.1...
[INFO] testing forest_json_utils-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate forest_json_utils 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate forest_json_utils 0.1.1 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 forest_json_utils 0.1.1
[INFO] finished tweaking crates.io crate forest_json_utils 0.1.1
[INFO] tweaked toml for crates.io crate forest_json_utils 0.1.1 written to /workspace/builds/worker-5/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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 20049eed9882d4a9f4a052bb6e9020715b3ae568b96cdb4403a25b978ba6c934
[INFO] running `Command { std: "docker" "start" "-a" "20049eed9882d4a9f4a052bb6e9020715b3ae568b96cdb4403a25b978ba6c934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20049eed9882d4a9f4a052bb6e9020715b3ae568b96cdb4403a25b978ba6c934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20049eed9882d4a9f4a052bb6e9020715b3ae568b96cdb4403a25b978ba6c934", kill_on_drop: false }`
[INFO] [stdout] 20049eed9882d4a9f4a052bb6e9020715b3ae568b96cdb4403a25b978ba6c934
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7b1b03886a7c2dcc00d0a88f17223c92a72abd047eb3889e4f0951b9eac82a44
[INFO] running `Command { std: "docker" "start" "-a" "7b1b03886a7c2dcc00d0a88f17223c92a72abd047eb3889e4f0951b9eac82a44", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling forest_json_utils v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.49s
[INFO] running `Command { std: "docker" "inspect" "7b1b03886a7c2dcc00d0a88f17223c92a72abd047eb3889e4f0951b9eac82a44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b1b03886a7c2dcc00d0a88f17223c92a72abd047eb3889e4f0951b9eac82a44", kill_on_drop: false }`
[INFO] [stdout] 7b1b03886a7c2dcc00d0a88f17223c92a72abd047eb3889e4f0951b9eac82a44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 7a9f767c19c5711a5a2f3c271359f0d8c583f9d1f1eda514d5ddd8b611d068bd
[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" "7a9f767c19c5711a5a2f3c271359f0d8c583f9d1f1eda514d5ddd8b611d068bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling forest_json_utils v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.46s
[INFO] running `Command { std: "docker" "inspect" "7a9f767c19c5711a5a2f3c271359f0d8c583f9d1f1eda514d5ddd8b611d068bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a9f767c19c5711a5a2f3c271359f0d8c583f9d1f1eda514d5ddd8b611d068bd", kill_on_drop: false }`
[INFO] [stdout] 7a9f767c19c5711a5a2f3c271359f0d8c583f9d1f1eda514d5ddd8b611d068bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 40c3e06b2bfce2ef8e2da05291c4925d29b8b3f788cf25669e60a22dd8e0816a
[INFO] running `Command { std: "docker" "start" "-a" "40c3e06b2bfce2ef8e2da05291c4925d29b8b3f788cf25669e60a22dd8e0816a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/forest_json_utils-17ff76be4235d86d
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::serialize_through_other ... ok
[INFO] [stdout] test tests::standard_vec ... ok
[INFO] [stdout] test tests::test_json_basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests forest_json_utils
[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" "40c3e06b2bfce2ef8e2da05291c4925d29b8b3f788cf25669e60a22dd8e0816a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40c3e06b2bfce2ef8e2da05291c4925d29b8b3f788cf25669e60a22dd8e0816a", kill_on_drop: false }`
[INFO] [stdout] 40c3e06b2bfce2ef8e2da05291c4925d29b8b3f788cf25669e60a22dd8e0816a