[INFO] fetching crate horned-owl 0.6.0...
[INFO] checking horned-owl-0.6.0 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate horned-owl 0.6.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate horned-owl 0.6.0 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate horned-owl 0.6.0
[INFO] finished tweaking crates.io crate horned-owl 0.6.0
[INFO] tweaked toml for crates.io crate horned-owl 0.6.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enum_meta v0.6.0
[INFO] [stderr]   Downloaded curie v0.0.8
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f322b72840ffa13c5ebc36e826e59f24c8cae7e05fc9094f82eadd26fa1b37a2
[INFO] running `"docker" "start" "-a" "f322b72840ffa13c5ebc36e826e59f24c8cae7e05fc9094f82eadd26fa1b37a2"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking curie v0.0.8
[INFO] [stderr]     Checking enum_meta v0.6.0
[INFO] [stderr]     Checking mktemp v0.3.1
[INFO] [stderr]     Checking quick-xml v0.12.4
[INFO] [stderr]     Checking horned-owl v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/writer.rs:25:17
[INFO] [stderr]    |
[INFO] [stderr] 25 |     write: &mut StdWrite,
[INFO] [stderr]    |                 ^^^^^^^^ help: use `dyn`: `dyn StdWrite`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/writer.rs:25:17
[INFO] [stderr]    |
[INFO] [stderr] 25 |     write: &mut StdWrite,
[INFO] [stderr]    |                 ^^^^^^^^ help: use `dyn`: `dyn StdWrite`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `shrink_iri_maybe`
[INFO] [stderr]   --> src/io/writer.rs:57:1
[INFO] [stderr]    |
[INFO] [stderr] 57 | fn shrink_iri_maybe<'a>(iri: &str, mapping: &'a PrefixMapping) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `META_OWL2Datatype` should have an upper case name
[INFO] [stderr]   --> src/vocab.rs:78:30
[INFO] [stderr]    |
[INFO] [stderr] 78 |     OWL2Datatype, IRIString, META_OWL2Datatype;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `META_OWL2_DATATYPE`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> benches/horned.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |         let mut b = Build::default();
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> benches/horned.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let mut b = Build::default();
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> benches/horned.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let mut b = Build::default();
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> benches/horned.rs:70:13
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let mut b = Build::default();
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> benches/horned.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |         horned_owl::io::reader::read(&mut f);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `shrink_iri_maybe`
[INFO] [stderr]   --> src/io/writer.rs:57:1
[INFO] [stderr]    |
[INFO] [stderr] 57 | fn shrink_iri_maybe<'a>(iri: &str, mapping: &'a PrefixMapping) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `META_OWL2Datatype` should have an upper case name
[INFO] [stderr]   --> src/vocab.rs:78:30
[INFO] [stderr]    |
[INFO] [stderr] 78 |     OWL2Datatype, IRIString, META_OWL2Datatype;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `META_OWL2_DATATYPE`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.82s
[INFO] running `"docker" "inspect" "f322b72840ffa13c5ebc36e826e59f24c8cae7e05fc9094f82eadd26fa1b37a2"`
[INFO] running `"docker" "rm" "-f" "f322b72840ffa13c5ebc36e826e59f24c8cae7e05fc9094f82eadd26fa1b37a2"`
[INFO] [stdout] f322b72840ffa13c5ebc36e826e59f24c8cae7e05fc9094f82eadd26fa1b37a2