[INFO] fetching crate rdftk_io 0.1.4...
[INFO] testing rdftk_io-0.1.4 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rdftk_io 0.1.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rdftk_io 0.1.4 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 rdftk_io 0.1.4
[INFO] finished tweaking crates.io crate rdftk_io 0.1.4
[INFO] tweaked toml for crates.io crate rdftk_io 0.1.4 written to /workspace/builds/worker-0/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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] bfcb606b05839842885b106d7f9ebcf273822513f56fc783375e58ba0f690dce
[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" "bfcb606b05839842885b106d7f9ebcf273822513f56fc783375e58ba0f690dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfcb606b05839842885b106d7f9ebcf273822513f56fc783375e58ba0f690dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfcb606b05839842885b106d7f9ebcf273822513f56fc783375e58ba0f690dce", kill_on_drop: false }`
[INFO] [stdout] bfcb606b05839842885b106d7f9ebcf273822513f56fc783375e58ba0f690dce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] dc0958793e75833eaaa7579eebd9d35062cb36322a96b86ba980df5406c26ca6
[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" "dc0958793e75833eaaa7579eebd9d35062cb36322a96b86ba980df5406c26ca6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rdftk_io v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "dc0958793e75833eaaa7579eebd9d35062cb36322a96b86ba980df5406c26ca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc0958793e75833eaaa7579eebd9d35062cb36322a96b86ba980df5406c26ca6", kill_on_drop: false }`
[INFO] [stdout] dc0958793e75833eaaa7579eebd9d35062cb36322a96b86ba980df5406c26ca6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] c4ca8dc8ed341b01b2c71cc4fcbbec9948056b73c824ffa29d13671331766717
[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" "c4ca8dc8ed341b01b2c71cc4fcbbec9948056b73c824ffa29d13671331766717", kill_on_drop: false }`
[INFO] [stderr]    Compiling rdftk_memgraph v0.1.6
[INFO] [stderr]    Compiling rdftk_io v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.69s
[INFO] running `Command { std: "docker" "inspect" "c4ca8dc8ed341b01b2c71cc4fcbbec9948056b73c824ffa29d13671331766717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4ca8dc8ed341b01b2c71cc4fcbbec9948056b73c824ffa29d13671331766717", kill_on_drop: false }`
[INFO] [stdout] c4ca8dc8ed341b01b2c71cc4fcbbec9948056b73c824ffa29d13671331766717
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] f0bd17fdc3f35fc068a16fd719681019e67fe64897b2beb517c34f9266d1fa73
[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" "f0bd17fdc3f35fc068a16fd719681019e67fe64897b2beb517c34f9266d1fa73", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rdftk_io-043cdf0409b73497
[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] [stderr]      Running /opt/rustwide/target/debug/deps/writers-2637864fed950d58
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test write_to_dot_with_options ... ok
[INFO] [stdout] test write_to_dot ... ok
[INFO] [stdout] test write_to_turtle_with_base ... ok
[INFO] [stdout] test write_to_turtle_with_options ... ok
[INFO] [stdout] test write_to_turtle ... ok
[INFO] [stdout] test write_to_ntriples ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rdftk_io
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/dot/mod.rs - dot (line 6) ... 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" "f0bd17fdc3f35fc068a16fd719681019e67fe64897b2beb517c34f9266d1fa73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0bd17fdc3f35fc068a16fd719681019e67fe64897b2beb517c34f9266d1fa73", kill_on_drop: false }`
[INFO] [stdout] f0bd17fdc3f35fc068a16fd719681019e67fe64897b2beb517c34f9266d1fa73