[INFO] fetching crate rdftk_ontology 0.1.0-pre...
[INFO] testing rdftk_ontology-0.1.0-pre against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate rdftk_ontology 0.1.0-pre into /workspace/builds/worker-67/source
[INFO] validating manifest of crates.io crate rdftk_ontology 0.1.0-pre on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rdftk_ontology 0.1.0-pre
[INFO] finished tweaking crates.io crate rdftk_ontology 0.1.0-pre
[INFO] tweaked toml for crates.io crate rdftk_ontology 0.1.0-pre written to /workspace/builds/worker-67/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4a2c8cffbd6caa55dff3973764cc9ed3f6fde649b39e6276c30f2bc2aa69883
[INFO] running `Command { std: "docker" "start" "-a" "e4a2c8cffbd6caa55dff3973764cc9ed3f6fde649b39e6276c30f2bc2aa69883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4a2c8cffbd6caa55dff3973764cc9ed3f6fde649b39e6276c30f2bc2aa69883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4a2c8cffbd6caa55dff3973764cc9ed3f6fde649b39e6276c30f2bc2aa69883", kill_on_drop: false }`
[INFO] [stdout] e4a2c8cffbd6caa55dff3973764cc9ed3f6fde649b39e6276c30f2bc2aa69883
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a14f1c37c9f48bcac0e1c71e18fdaf9933fefbb5cce59577c6ad49e44448aad0
[INFO] running `Command { std: "docker" "start" "-a" "a14f1c37c9f48bcac0e1c71e18fdaf9933fefbb5cce59577c6ad49e44448aad0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling atomic_refcell v0.1.8
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling blob-uuid v0.4.0
[INFO] [stderr]    Compiling unique_id v0.1.3
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling rdftk_iri v0.1.9
[INFO] [stderr]    Compiling rdftk_names v0.1.9
[INFO] [stderr]    Compiling rdftk_core v0.1.14
[INFO] [stderr]    Compiling rdftk_ontology v0.1.0-pre (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `prior_version`
[INFO] [stdout]   --> src/owl/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     prior_version: Vec<IRIRef>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `compatible_with`
[INFO] [stdout]   --> src/owl/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     compatible_with: Vec<IRIRef>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `incompatible_with`
[INFO] [stdout]   --> src/owl/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     incompatible_with: Vec<IRIRef>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `import`
[INFO] [stdout]   --> src/owl/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     import: Vec<IRIRef>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.93s
[INFO] running `Command { std: "docker" "inspect" "a14f1c37c9f48bcac0e1c71e18fdaf9933fefbb5cce59577c6ad49e44448aad0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a14f1c37c9f48bcac0e1c71e18fdaf9933fefbb5cce59577c6ad49e44448aad0", kill_on_drop: false }`
[INFO] [stdout] a14f1c37c9f48bcac0e1c71e18fdaf9933fefbb5cce59577c6ad49e44448aad0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd774d32920183cdc2147cecb5d5667ac1cdb6223e2ed4c77220ad1b38ad9b02
[INFO] running `Command { std: "docker" "start" "-a" "dd774d32920183cdc2147cecb5d5667ac1cdb6223e2ed4c77220ad1b38ad9b02", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: field is never read: `prior_version`
[INFO] [stdout]   --> src/owl/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     prior_version: Vec<IRIRef>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rdftk_ontology v0.1.0-pre (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `compatible_with`
[INFO] [stdout]   --> src/owl/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     compatible_with: Vec<IRIRef>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `incompatible_with`
[INFO] [stdout]   --> src/owl/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     incompatible_with: Vec<IRIRef>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `import`
[INFO] [stdout]   --> src/owl/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     import: Vec<IRIRef>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `prior_version`
[INFO] [stdout]   --> src/owl/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     prior_version: Vec<IRIRef>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `compatible_with`
[INFO] [stdout]   --> src/owl/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     compatible_with: Vec<IRIRef>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `incompatible_with`
[INFO] [stdout]   --> src/owl/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     incompatible_with: Vec<IRIRef>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `import`
[INFO] [stdout]   --> src/owl/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     import: Vec<IRIRef>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.00s
[INFO] running `Command { std: "docker" "inspect" "dd774d32920183cdc2147cecb5d5667ac1cdb6223e2ed4c77220ad1b38ad9b02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd774d32920183cdc2147cecb5d5667ac1cdb6223e2ed4c77220ad1b38ad9b02", kill_on_drop: false }`
[INFO] [stdout] dd774d32920183cdc2147cecb5d5667ac1cdb6223e2ed4c77220ad1b38ad9b02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b9b06b5a32b6098439338e2277e3b12c4b0c9d79cdfa656bf20d9ec1d8ec147c
[INFO] running `Command { std: "docker" "start" "-a" "b9b06b5a32b6098439338e2277e3b12c4b0c9d79cdfa656bf20d9ec1d8ec147c", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `prior_version`
[INFO] [stderr]   --> src/owl/mod.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     prior_version: Vec<IRIRef>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `compatible_with`
[INFO] [stderr]   --> src/owl/mod.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     compatible_with: Vec<IRIRef>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `incompatible_with`
[INFO] [stderr]   --> src/owl/mod.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     incompatible_with: Vec<IRIRef>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `import`
[INFO] [stderr]   --> src/owl/mod.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     import: Vec<IRIRef>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rdftk_ontology` (lib) generated 4 warnings
[INFO] [stderr] warning: `rdftk_ontology` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rdftk_ontology-f3f8f1133adc8d26)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests rdftk_ontology
[INFO] [stdout] test rdfs::tests::test_something ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b9b06b5a32b6098439338e2277e3b12c4b0c9d79cdfa656bf20d9ec1d8ec147c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9b06b5a32b6098439338e2277e3b12c4b0c9d79cdfa656bf20d9ec1d8ec147c", kill_on_drop: false }`
[INFO] [stdout] b9b06b5a32b6098439338e2277e3b12c4b0c9d79cdfa656bf20d9ec1d8ec147c