[INFO] fetching crate rdftk_memgraph 0.1.0...
[INFO] testing rdftk_memgraph-0.1.0 against 1.47.0 for beta-1.48-1
[INFO] extracting crate rdftk_memgraph 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rdftk_memgraph 0.1.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rdftk_memgraph 0.1.0
[INFO] finished tweaking crates.io crate rdftk_memgraph 0.1.0
[INFO] tweaked toml for crates.io crate rdftk_memgraph 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e7649f47258841813c29fa4c2141f1956af423c424b98a7c51d1953b5d45945
[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" "8e7649f47258841813c29fa4c2141f1956af423c424b98a7c51d1953b5d45945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e7649f47258841813c29fa4c2141f1956af423c424b98a7c51d1953b5d45945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e7649f47258841813c29fa4c2141f1956af423c424b98a7c51d1953b5d45945", kill_on_drop: false }`
[INFO] [stdout] 8e7649f47258841813c29fa4c2141f1956af423c424b98a7c51d1953b5d45945
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1aa1389c67fec78f15812706692c535c49a3019357931d20cd3b6acb01051586
[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" "1aa1389c67fec78f15812706692c535c49a3019357931d20cd3b6acb01051586", kill_on_drop: false }`
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling atomic_refcell v0.1.6
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling blob-uuid v0.4.0
[INFO] [stderr]    Compiling unique_id v0.1.3
[INFO] [stderr]    Compiling paste v0.1.18
[INFO] [stderr]    Compiling rdftk_iri v0.1.1
[INFO] [stderr]    Compiling rdftk_names v0.1.4
[INFO] [stderr]    Compiling rdftk_core v0.1.5
[INFO] [stderr]    Compiling rdftk_graph v0.1.1
[INFO] [stderr]    Compiling rdftk_memgraph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0053]: method `contains_all` has an incompatible type for trait
[INFO] [stdout]   --> src/lib.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn contains_all(&self, subject: &SubjectNode, predicate: &IRI, object: &ObjectNode) -> bool {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::sync::Arc`, found struct `rdftk_iri::IRI`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected fn pointer `fn(&MemGraph, &rdftk_core::SubjectNode, &std::sync::Arc<rdftk_iri::IRI>, &rdftk_core::ObjectNode) -> _`
[INFO] [stdout]               found fn pointer `fn(&MemGraph, &rdftk_core::SubjectNode, &rdftk_iri::IRI, &rdftk_core::ObjectNode) -> _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `predicates` has an incompatible type for trait
[INFO] [stdout]   --> src/lib.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn predicates(&self) -> HashSet<&IRI> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::sync::Arc`, found struct `rdftk_iri::IRI`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected fn pointer `fn(&MemGraph) -> std::collections::HashSet<&std::sync::Arc<rdftk_iri::IRI>>`
[INFO] [stdout]               found fn pointer `fn(&MemGraph) -> std::collections::HashSet<&rdftk_iri::IRI>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `predicates_for` has an incompatible type for trait
[INFO] [stdout]    --> src/lib.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn predicates_for(&self, subject: &SubjectNode) -> HashSet<&IRI> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::sync::Arc`, found struct `rdftk_iri::IRI`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected fn pointer `fn(&MemGraph, &rdftk_core::SubjectNode) -> std::collections::HashSet<&std::sync::Arc<rdftk_iri::IRI>>`
[INFO] [stdout]                found fn pointer `fn(&MemGraph, &rdftk_core::SubjectNode) -> std::collections::HashSet<&rdftk_iri::IRI>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `objects_for` has an incompatible type for trait
[INFO] [stdout]    --> src/lib.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn objects_for(&self, subject: &SubjectNode, predicate: &IRI) -> HashSet<&ObjectNode> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::sync::Arc`, found struct `rdftk_iri::IRI`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected fn pointer `fn(&MemGraph, &rdftk_core::SubjectNode, &std::sync::Arc<rdftk_iri::IRI>) -> std::collections::HashSet<&rdftk_core::ObjectNode>`
[INFO] [stdout]                found fn pointer `fn(&MemGraph, &rdftk_core::SubjectNode, &rdftk_iri::IRI) -> std::collections::HashSet<&rdftk_core::ObjectNode>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `name` has an incompatible type for trait
[INFO] [stdout]    --> src/lib.rs:177:5
[INFO] [stdout]     |
[INFO] [stdout] 177 |     fn name(&self) -> &Option<IRI> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::sync::Arc`, found struct `rdftk_iri::IRI`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected fn pointer `fn(&MemGraph) -> &std::option::Option<std::sync::Arc<rdftk_iri::IRI>>`
[INFO] [stdout]                found fn pointer `fn(&MemGraph) -> &std::option::Option<rdftk_iri::IRI>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `set_name` has an incompatible type for trait
[INFO] [stdout]    --> src/lib.rs:181:5
[INFO] [stdout]     |
[INFO] [stdout] 181 |     fn set_name(&mut self, name: IRI) -> Option<IRI> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::sync::Arc`, found struct `rdftk_iri::IRI`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected fn pointer `fn(&mut MemGraph, std::sync::Arc<rdftk_iri::IRI>) -> std::option::Option<std::sync::Arc<rdftk_iri::IRI>>`
[INFO] [stdout]                found fn pointer `fn(&mut MemGraph, rdftk_iri::IRI) -> std::option::Option<rdftk_iri::IRI>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `unset_name` has an incompatible type for trait
[INFO] [stdout]    --> src/lib.rs:187:5
[INFO] [stdout]     |
[INFO] [stdout] 187 |     fn unset_name(&mut self) -> Option<IRI> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::sync::Arc`, found struct `rdftk_iri::IRI`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected fn pointer `fn(&mut MemGraph) -> std::option::Option<std::sync::Arc<rdftk_iri::IRI>>`
[INFO] [stdout]                found fn pointer `fn(&mut MemGraph) -> std::option::Option<rdftk_iri::IRI>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `get_namespace` has an incompatible type for trait
[INFO] [stdout]   --> src/mapping.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn get_namespace(&self, prefix: &Prefix) -> Option<&IRI> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::sync::Arc`, found struct `rdftk_iri::IRI`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected fn pointer `fn(&mapping::Mappings, &rdftk_graph::Prefix) -> std::option::Option<&std::sync::Arc<rdftk_iri::IRI>>`
[INFO] [stdout]               found fn pointer `fn(&mapping::Mappings, &rdftk_graph::Prefix) -> std::option::Option<&rdftk_iri::IRI>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `get_prefix` has an incompatible type for trait
[INFO] [stdout]   --> src/mapping.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn get_prefix(&self, namespace: &IRI) -> Option<&Prefix> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::sync::Arc`, found struct `rdftk_iri::IRI`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected fn pointer `fn(&mapping::Mappings, &std::sync::Arc<rdftk_iri::IRI>) -> std::option::Option<&rdftk_graph::Prefix>`
[INFO] [stdout]               found fn pointer `fn(&mapping::Mappings, &rdftk_iri::IRI) -> std::option::Option<&rdftk_graph::Prefix>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `expand` has an incompatible type for trait
[INFO] [stdout]   --> src/mapping.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn expand(&self, qname: QName) -> Option<IRI> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::sync::Arc`, found struct `rdftk_iri::IRI`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected fn pointer `fn(&mapping::Mappings, rdftk_core::QName) -> std::option::Option<std::sync::Arc<rdftk_iri::IRI>>`
[INFO] [stdout]               found fn pointer `fn(&mapping::Mappings, rdftk_core::QName) -> std::option::Option<rdftk_iri::IRI>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `compress` has an incompatible type for trait
[INFO] [stdout]   --> src/mapping.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn compress(&self, iri: IRI) -> Option<QName> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::sync::Arc`, found struct `rdftk_iri::IRI`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected fn pointer `fn(&mapping::Mappings, std::sync::Arc<rdftk_iri::IRI>) -> std::option::Option<_>`
[INFO] [stdout]               found fn pointer `fn(&mapping::Mappings, rdftk_iri::IRI) -> std::option::Option<_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `insert_default` has an incompatible type for trait
[INFO] [stdout]    --> src/mapping.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 107 |     fn insert_default(&mut self, iri: IRI) -> &mut Self {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::sync::Arc`, found struct `rdftk_iri::IRI`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected fn pointer `fn(&mut mapping::Mappings, std::sync::Arc<rdftk_iri::IRI>) -> &mut mapping::Mappings`
[INFO] [stdout]                found fn pointer `fn(&mut mapping::Mappings, rdftk_iri::IRI) -> &mut mapping::Mappings`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `insert` has an incompatible type for trait
[INFO] [stdout]    --> src/mapping.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn insert(&mut self, prefix: &str, iri: IRI) -> &mut Self {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `std::sync::Arc`, found struct `rdftk_iri::IRI`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected fn pointer `fn(&mut mapping::Mappings, &str, std::sync::Arc<rdftk_iri::IRI>) -> &mut mapping::Mappings`
[INFO] [stdout]                found fn pointer `fn(&mut mapping::Mappings, &str, rdftk_iri::IRI) -> &mut mapping::Mappings`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: can't compare `std::sync::Arc<rdftk_iri::IRI>` with `rdftk_iri::IRI`
[INFO] [stdout]   --> src/lib.rs:77:55
[INFO] [stdout]    |
[INFO] [stdout] 77 |             st.subject() == subject && st.predicate() == predicate && st.object() == object
[INFO] [stdout]    |                                                       ^^ no implementation for `std::sync::Arc<rdftk_iri::IRI> == rdftk_iri::IRI`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::cmp::PartialEq<rdftk_iri::IRI>` is not implemented for `std::sync::Arc<rdftk_iri::IRI>`
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::cmp::PartialEq<&rdftk_iri::IRI>` for `&std::sync::Arc<rdftk_iri::IRI>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `std::collections::HashSet<&rdftk_iri::IRI>` cannot be built from an iterator over elements of type `&std::sync::Arc<rdftk_iri::IRI>`
[INFO] [stdout]   --> src/lib.rs:98:57
[INFO] [stdout]    |
[INFO] [stdout] 98 |         self.statements.iter().map(|st| st.predicate()).collect()
[INFO] [stdout]    |                                                         ^^^^^^^ value of type `std::collections::HashSet<&rdftk_iri::IRI>` cannot be built from `std::iter::Iterator<Item=&std::sync::Arc<rdftk_iri::IRI>>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::iter::FromIterator<&std::sync::Arc<rdftk_iri::IRI>>` is not implemented for `std::collections::HashSet<&rdftk_iri::IRI>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `std::collections::HashSet<&rdftk_iri::IRI>` cannot be built from an iterator over elements of type `&std::sync::Arc<rdftk_iri::IRI>`
[INFO] [stdout]    --> src/lib.rs:111:14
[INFO] [stdout]     |
[INFO] [stdout] 111 |             .collect()
[INFO] [stdout]     |              ^^^^^^^ value of type `std::collections::HashSet<&rdftk_iri::IRI>` cannot be built from `std::iter::Iterator<Item=&std::sync::Arc<rdftk_iri::IRI>>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `std::iter::FromIterator<&std::sync::Arc<rdftk_iri::IRI>>` is not implemented for `std::collections::HashSet<&rdftk_iri::IRI>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: can't compare `std::sync::Arc<rdftk_iri::IRI>` with `rdftk_iri::IRI`
[INFO] [stdout]    --> src/lib.rs:122:62
[INFO] [stdout]     |
[INFO] [stdout] 122 |                 if st.subject() == subject && st.predicate() == predicate {
[INFO] [stdout]     |                                                              ^^ no implementation for `std::sync::Arc<rdftk_iri::IRI> == rdftk_iri::IRI`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `std::cmp::PartialEq<rdftk_iri::IRI>` is not implemented for `std::sync::Arc<rdftk_iri::IRI>`
[INFO] [stdout]     = note: required because of the requirements on the impl of `std::cmp::PartialEq<&rdftk_iri::IRI>` for `&std::sync::Arc<rdftk_iri::IRI>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/mapping.rs:98:31
[INFO] [stdout]    |
[INFO] [stdout] 98 |         match self.get_prefix(&iri) {
[INFO] [stdout]    |                               ^^^^ expected struct `std::sync::Arc`, found struct `rdftk_iri::IRI`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&std::sync::Arc<rdftk_iri::IRI>`
[INFO] [stdout]               found reference `&rdftk_iri::IRI`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/mapping.rs:141:28
[INFO] [stdout]     |
[INFO] [stdout] 141 |         new.insert_default(iri);
[INFO] [stdout]     |                            ^^^ expected struct `std::sync::Arc`, found struct `rdftk_iri::IRI`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `std::sync::Arc<rdftk_iri::IRI>`
[INFO] [stdout]                found struct `rdftk_iri::IRI`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 19 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0053, E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0053`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rdftk_memgraph`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "1aa1389c67fec78f15812706692c535c49a3019357931d20cd3b6acb01051586", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1aa1389c67fec78f15812706692c535c49a3019357931d20cd3b6acb01051586", kill_on_drop: false }`
[INFO] [stdout] 1aa1389c67fec78f15812706692c535c49a3019357931d20cd3b6acb01051586
