[INFO] fetching crate lv2rs 0.3.2...
[INFO] testing lv2rs-0.3.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate lv2rs 0.3.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate lv2rs 0.3.2 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 lv2rs 0.3.2
[INFO] finished tweaking crates.io crate lv2rs 0.3.2
[INFO] tweaked toml for crates.io crate lv2rs 0.3.2 written to /workspace/builds/worker-9/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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 8967176b737285522e1953865be564f096818d1152ac8ff218b05f39282dea50
[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" "8967176b737285522e1953865be564f096818d1152ac8ff218b05f39282dea50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8967176b737285522e1953865be564f096818d1152ac8ff218b05f39282dea50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8967176b737285522e1953865be564f096818d1152ac8ff218b05f39282dea50", kill_on_drop: false }`
[INFO] [stdout] 8967176b737285522e1953865be564f096818d1152ac8ff218b05f39282dea50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 6f200608d23a9baa34175dc927feb7a9f9c19fc13f89c095838d69337b7e5f96
[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" "6f200608d23a9baa34175dc927feb7a9f9c19fc13f89c095838d69337b7e5f96", kill_on_drop: false }`
[INFO] [stderr]    Compiling lv2rs-core v0.3.3
[INFO] [stderr]    Compiling ux v0.1.3
[INFO] [stderr]    Compiling lv2rs-urid v0.2.2
[INFO] [stderr]    Compiling lv2rs-atom v0.1.2
[INFO] [stderr]    Compiling lv2rs-midi v0.1.2
[INFO] [stderr]    Compiling lv2rs v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.72s
[INFO] running `Command { std: "docker" "inspect" "6f200608d23a9baa34175dc927feb7a9f9c19fc13f89c095838d69337b7e5f96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f200608d23a9baa34175dc927feb7a9f9c19fc13f89c095838d69337b7e5f96", kill_on_drop: false }`
[INFO] [stdout] 6f200608d23a9baa34175dc927feb7a9f9c19fc13f89c095838d69337b7e5f96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 089052740a0b27fd4b6968e2bbc331e6649a89d305a22e3d6a455106276e0dfb
[INFO] running `Command { std: "docker" "start" "-a" "089052740a0b27fd4b6968e2bbc331e6649a89d305a22e3d6a455106276e0dfb", kill_on_drop: false }`
[INFO] [stderr]    Compiling lv2rs v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "089052740a0b27fd4b6968e2bbc331e6649a89d305a22e3d6a455106276e0dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "089052740a0b27fd4b6968e2bbc331e6649a89d305a22e3d6a455106276e0dfb", kill_on_drop: false }`
[INFO] [stdout] 089052740a0b27fd4b6968e2bbc331e6649a89d305a22e3d6a455106276e0dfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e93387bc75001958060814d9588a9f356f3560b80720c998049e9a04a5e083a5
[INFO] running `Command { std: "docker" "start" "-a" "e93387bc75001958060814d9588a9f356f3560b80720c998049e9a04a5e083a5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lv2rs-4de90d233c7763f3
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lv2rs
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - prelude (line 38) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e93387bc75001958060814d9588a9f356f3560b80720c998049e9a04a5e083a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e93387bc75001958060814d9588a9f356f3560b80720c998049e9a04a5e083a5", kill_on_drop: false }`
[INFO] [stdout] e93387bc75001958060814d9588a9f356f3560b80720c998049e9a04a5e083a5