[INFO] crate libimagref 0.3.0 is already in cache [INFO] checking libimagref-0.3.0 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] extracting crate libimagref 0.3.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate libimagref 0.3.0 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate libimagref 0.3.0 [INFO] finished tweaking crates.io crate libimagref 0.3.0 [INFO] tweaked toml for crates.io crate libimagref 0.3.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 881b572bdcf3d3bf12b822bdc2a1ad4bd3de69ce2d673c1703f4b12a4b547be5 [INFO] running `"docker" "start" "-a" "881b572bdcf3d3bf12b822bdc2a1ad4bd3de69ce2d673c1703f4b12a4b547be5"` [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking smallvec v1.4.0 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Compiling syn v1.0.18 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking ucd-util v0.1.8 [INFO] [stderr] Compiling ryu v1.0.4 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Checking utf8-ranges v1.0.4 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Checking same-file v0.1.3 [INFO] [stderr] Checking boolinator v2.4.0 [INFO] [stderr] Checking crossbeam v0.2.12 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking version v2.0.1 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking glob v0.2.11 [INFO] [stderr] Checking is-match v0.1.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking itertools v0.6.5 [INFO] [stderr] Checking itertools v0.5.10 [INFO] [stderr] Checking unicode-normalization v0.1.12 [INFO] [stderr] Checking walkdir v1.0.7 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking tempfile v2.2.0 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking libimagerror v0.3.0 [INFO] [stderr] Compiling quote v1.0.4 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking semver-parser v0.6.2 [INFO] [stderr] Checking semver v0.5.1 [INFO] [stderr] Checking csv v0.15.0 [INFO] [stderr] Checking prettytable-rs v0.6.7 [INFO] [stderr] Checking libimagutil v0.3.0 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Checking serde_json v1.0.52 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking libimagstore v0.3.0 [INFO] [stderr] Checking libimagentrylist v0.3.0 [INFO] [stderr] Checking libimagref v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/error.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | / generate_error_types!(RefError, RefErrorKind, [INFO] [stderr] 22 | | StoreReadError => "Store read error", [INFO] [stderr] 23 | | StoreWriteError => "Store write error", [INFO] [stderr] 24 | | IOError => "IO Error", [INFO] [stderr] ... | [INFO] [stderr] 48 | | RefHashingError => "Error while hashing" [INFO] [stderr] 49 | | ); [INFO] [stderr] | |______^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/error.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | / generate_error_types!(RefError, RefErrorKind, [INFO] [stderr] 22 | | StoreReadError => "Store read error", [INFO] [stderr] 23 | | StoreWriteError => "Store write error", [INFO] [stderr] 24 | | IOError => "IO Error", [INFO] [stderr] ... | [INFO] [stderr] 48 | | RefHashingError => "Error while hashing" [INFO] [stderr] 49 | | ); [INFO] [stderr] | |______^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/flags.rs:53:34 [INFO] [stderr] | [INFO] [stderr] 53 | content_hashing: try!(get_field(v, "ref.flags.content_hashing")), [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/flags.rs:54:34 [INFO] [stderr] | [INFO] [stderr] 54 | permission_tracking: try!(get_field(v, "ref.flags.permission_tracking")), [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/hasher.rs:61:9 [INFO] [stderr] | [INFO] [stderr] 61 | try!(c.read_to_string(&mut s).map_err_into(REK::UTF8Error).map_err_into(REK::IOError)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/hashers/nbytes.rs:66:32 [INFO] [stderr] | [INFO] [stderr] 66 | self.hasher.input_str(&try!(s)[..]); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/reference.rs:110:13 [INFO] [stderr] | [INFO] [stderr] 110 | try!(File::open(pb.clone()) [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/reference.rs:118:30 [INFO] [stderr] | [INFO] [stderr] 118 | Some(try!(h.create_hash(&pb, &mut file))) [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/reference.rs:130:30 [INFO] [stderr] | [INFO] [stderr] 130 | Some(try!(file [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/reference.rs:156:37 [INFO] [stderr] | [INFO] [stderr] 156 | let path_hash = try!(Ref::hash_path(&can) [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/reference.rs:179:31 [INFO] [stderr] | [INFO] [stderr] 179 | let fle = try!(store [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/reference.rs:380:28 [INFO] [stderr] | [INFO] [stderr] 380 | let stored_hash = try!(self.get_stored_hash()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/reference.rs:381:28 [INFO] [stderr] | [INFO] [stderr] 381 | let current_hash = try!(self.get_current_hash()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/reference.rs:394:28 [INFO] [stderr] | [INFO] [stderr] 394 | let current_hash = try!(self.get_current_hash()); // uses the default hasher [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/reference.rs:395:28 [INFO] [stderr] | [INFO] [stderr] 395 | let current_perm = try!(self.get_current_permissions()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/reference.rs:397:9 [INFO] [stderr] | [INFO] [stderr] 397 | try!(self.0 [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/reference.rs:404:9 [INFO] [stderr] | [INFO] [stderr] 404 | try!(self.0 [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/reference.rs:445:41 [INFO] [stderr] | [INFO] [stderr] 445 | let contains_hash = try!(r.to_str() [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/error.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | / generate_error_types!(RefError, RefErrorKind, [INFO] [stderr] 22 | | StoreReadError => "Store read error", [INFO] [stderr] 23 | | StoreWriteError => "Store write error", [INFO] [stderr] 24 | | IOError => "IO Error", [INFO] [stderr] ... | [INFO] [stderr] 48 | | RefHashingError => "Error while hashing" [INFO] [stderr] 49 | | ); [INFO] [stderr] | |______^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/error.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | / generate_error_types!(RefError, RefErrorKind, [INFO] [stderr] 22 | | StoreReadError => "Store read error", [INFO] [stderr] 23 | | StoreWriteError => "Store write error", [INFO] [stderr] 24 | | IOError => "IO Error", [INFO] [stderr] ... | [INFO] [stderr] 48 | | RefHashingError => "Error while hashing" [INFO] [stderr] 49 | | ); [INFO] [stderr] | |______^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/flags.rs:53:34 [INFO] [stderr] | [INFO] [stderr] 53 | content_hashing: try!(get_field(v, "ref.flags.content_hashing")), [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/flags.rs:54:34 [INFO] [stderr] | [INFO] [stderr] 54 | permission_tracking: try!(get_field(v, "ref.flags.permission_tracking")), [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/hasher.rs:61:9 [INFO] [stderr] | [INFO] [stderr] 61 | try!(c.read_to_string(&mut s).map_err_into(REK::UTF8Error).map_err_into(REK::IOError)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/hashers/nbytes.rs:66:32 [INFO] [stderr] | [INFO] [stderr] 66 | self.hasher.input_str(&try!(s)[..]); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/reference.rs:110:13 [INFO] [stderr] | [INFO] [stderr] 110 | try!(File::open(pb.clone()) [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/reference.rs:118:30 [INFO] [stderr] | [INFO] [stderr] 118 | Some(try!(h.create_hash(&pb, &mut file))) [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/reference.rs:130:30 [INFO] [stderr] | [INFO] [stderr] 130 | Some(try!(file [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/reference.rs:156:37 [INFO] [stderr] | [INFO] [stderr] 156 | let path_hash = try!(Ref::hash_path(&can) [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/reference.rs:179:31 [INFO] [stderr] | [INFO] [stderr] 179 | let fle = try!(store [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/reference.rs:380:28 [INFO] [stderr] | [INFO] [stderr] 380 | let stored_hash = try!(self.get_stored_hash()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/reference.rs:381:28 [INFO] [stderr] | [INFO] [stderr] 381 | let current_hash = try!(self.get_current_hash()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/reference.rs:394:28 [INFO] [stderr] | [INFO] [stderr] 394 | let current_hash = try!(self.get_current_hash()); // uses the default hasher [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/reference.rs:395:28 [INFO] [stderr] | [INFO] [stderr] 395 | let current_perm = try!(self.get_current_permissions()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/reference.rs:397:9 [INFO] [stderr] | [INFO] [stderr] 397 | try!(self.0 [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/reference.rs:404:9 [INFO] [stderr] | [INFO] [stderr] 404 | try!(self.0 [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/reference.rs:445:41 [INFO] [stderr] | [INFO] [stderr] 445 | let contains_hash = try!(r.to_str() [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] error[E0034]: multiple applicable items in scope [INFO] [stderr] --> src/reference.rs:531:22 [INFO] [stderr] | [INFO] [stderr] 531 | .flatten() [INFO] [stderr] | ^^^^^^^ multiple `flatten` found [INFO] [stderr] | [INFO] [stderr] = note: candidate #1 is defined in an impl of the trait `std::iter::Iterator` for the type `std::iter::Map` [INFO] [stderr] = note: candidate #2 is defined in an impl of the trait `itertools::Itertools` for the type `T` [INFO] [stderr] help: disambiguate the associated function for candidate #1 [INFO] [stderr] | [INFO] [stderr] 498 | std::iter::Iterator::flatten(search_roots [INFO] [stderr] 499 | .unwrap_or(vec![PathBuf::from("/")]) [INFO] [stderr] 500 | .into_iter() [INFO] [stderr] 501 | .map(|root| { [INFO] [stderr] 502 | WalkDir::new(root) [INFO] [stderr] 503 | .follow_links(false) [INFO] [stderr] ... [INFO] [stderr] help: disambiguate the associated function for candidate #2 [INFO] [stderr] | [INFO] [stderr] 498 | itertools::Itertools::flatten(search_roots [INFO] [stderr] 499 | .unwrap_or(vec![PathBuf::from("/")]) [INFO] [stderr] 500 | .into_iter() [INFO] [stderr] 501 | .map(|root| { [INFO] [stderr] 502 | WalkDir::new(root) [INFO] [stderr] 503 | .follow_links(false) [INFO] [stderr] ... [INFO] [stderr] [INFO] [stderr] error: unused import: `itertools::Itertools` [INFO] [stderr] --> src/reference.rs:493:13 [INFO] [stderr] | [INFO] [stderr] 493 | use itertools::Itertools; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/lib.rs:28:5 [INFO] [stderr] | [INFO] [stderr] 28 | unused_imports, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0034]: multiple applicable items in scope [INFO] [stderr] --> src/reference.rs:531:22 [INFO] [stderr] | [INFO] [stderr] 531 | .flatten() [INFO] [stderr] | ^^^^^^^ multiple `flatten` found [INFO] [stderr] | [INFO] [stderr] = note: candidate #1 is defined in an impl of the trait `std::iter::Iterator` for the type `std::iter::Map` [INFO] [stderr] = note: candidate #2 is defined in an impl of the trait `itertools::Itertools` for the type `T` [INFO] [stderr] help: disambiguate the associated function for candidate #1 [INFO] [stderr] | [INFO] [stderr] 498 | std::iter::Iterator::flatten(search_roots [INFO] [stderr] 499 | .unwrap_or(vec![PathBuf::from("/")]) [INFO] [stderr] 500 | .into_iter() [INFO] [stderr] 501 | .map(|root| { [INFO] [stderr] 502 | WalkDir::new(root) [INFO] [stderr] 503 | .follow_links(false) [INFO] [stderr] ... [INFO] [stderr] help: disambiguate the associated function for candidate #2 [INFO] [stderr] | [INFO] [stderr] 498 | itertools::Itertools::flatten(search_roots [INFO] [stderr] 499 | .unwrap_or(vec![PathBuf::from("/")]) [INFO] [stderr] 500 | .into_iter() [INFO] [stderr] 501 | .map(|root| { [INFO] [stderr] 502 | WalkDir::new(root) [INFO] [stderr] 503 | .follow_links(false) [INFO] [stderr] ... [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors; 18 warnings emitted [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0034`. [INFO] [stderr] error: could not compile `libimagref`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: unused import: `itertools::Itertools` [INFO] [stderr] --> src/reference.rs:493:13 [INFO] [stderr] | [INFO] [stderr] 493 | use itertools::Itertools; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/lib.rs:28:5 [INFO] [stderr] | [INFO] [stderr] 28 | unused_imports, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors; 18 warnings emitted [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0034`. [INFO] [stderr] error: could not compile `libimagref`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "881b572bdcf3d3bf12b822bdc2a1ad4bd3de69ce2d673c1703f4b12a4b547be5"` [INFO] running `"docker" "rm" "-f" "881b572bdcf3d3bf12b822bdc2a1ad4bd3de69ce2d673c1703f4b12a4b547be5"` [INFO] [stdout] 881b572bdcf3d3bf12b822bdc2a1ad4bd3de69ce2d673c1703f4b12a4b547be5