[INFO] cloning repository https://github.com/jRimbault/utils-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jRimbault/utils-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjRimbault%2Futils-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjRimbault%2Futils-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f3471e17f5cef0353e076e7557db97b79719433f [INFO] testing jRimbault/utils-rs against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjRimbault%2Futils-rs" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jRimbault/utils-rs on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jRimbault/utils-rs [INFO] finished tweaking git repo https://github.com/jRimbault/utils-rs [INFO] tweaked toml for git repo https://github.com/jRimbault/utils-rs written to /workspace/builds/worker-14/source/Cargo.toml [INFO] crate git repo https://github.com/jRimbault/utils-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a62a6bb3bb4719db3df157a14aeea9ff9cde41a42dff4b4107b7dcc941c4d70d [INFO] running `Command { std: "docker" "start" "-a" "a62a6bb3bb4719db3df157a14aeea9ff9cde41a42dff4b4107b7dcc941c4d70d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a62a6bb3bb4719db3df157a14aeea9ff9cde41a42dff4b4107b7dcc941c4d70d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a62a6bb3bb4719db3df157a14aeea9ff9cde41a42dff4b4107b7dcc941c4d70d", kill_on_drop: false }` [INFO] [stdout] a62a6bb3bb4719db3df157a14aeea9ff9cde41a42dff4b4107b7dcc941c4d70d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6fd5289e2f8b52937e3079acd04f587b08e7a5cf39d739c8ae7f7b37e3dd143e [INFO] running `Command { std: "docker" "start" "-a" "6fd5289e2f8b52937e3079acd04f587b08e7a5cf39d739c8ae7f7b37e3dd143e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.121 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling syn v1.0.89 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling siphasher v0.3.10 [INFO] [stderr] Compiling pin-project-lite v0.2.8 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling once_cell v1.10.0 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling bytes v1.1.0 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling itoa v1.0.1 [INFO] [stderr] Compiling smallvec v1.8.0 [INFO] [stderr] Compiling parking_lot_core v0.9.2 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling mac v0.1.1 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling openssl v0.10.38 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling utf-8 v0.7.6 [INFO] [stderr] Compiling futures-sink v0.3.21 [INFO] [stderr] Compiling futures-io v0.3.21 [INFO] [stderr] Compiling httparse v1.6.0 [INFO] [stderr] Compiling slab v0.4.6 [INFO] [stderr] Compiling matches v0.1.9 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling native-tls v0.2.10 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling openssl-probe v0.1.5 [INFO] [stderr] Compiling ryu v1.0.9 [INFO] [stderr] Compiling try-lock v0.2.3 [INFO] [stderr] Compiling httpdate v1.0.2 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Compiling tower-service v0.3.1 [INFO] [stderr] Compiling unicode-bidi v0.3.7 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling anyhow v1.0.56 [INFO] [stderr] Compiling encoding_rs v0.8.30 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling termcolor v1.1.3 [INFO] [stderr] Compiling textwrap v0.15.0 [INFO] [stderr] Compiling base64 v0.13.0 [INFO] [stderr] Compiling ipnet v2.4.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling mime v0.3.16 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling urlencoding v2.1.0 [INFO] [stderr] Compiling tracing-core v0.1.24 [INFO] [stderr] Compiling tinyvec v1.5.1 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling sharded-slab v0.1.4 [INFO] [stderr] Compiling phf_shared v0.10.0 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling futf v0.1.5 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling form_urlencoded v1.0.1 [INFO] [stderr] Compiling thread_local v1.1.4 [INFO] [stderr] Compiling phf v0.8.0 [INFO] [stderr] Compiling http v0.2.6 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling tendril v0.4.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling priority-queue v1.2.1 [INFO] [stderr] Compiling tracing-log v0.1.2 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling os_str_bytes v6.0.0 [INFO] [stderr] Compiling matchers v0.1.0 [INFO] [stderr] Compiling openssl-sys v0.9.72 [INFO] [stderr] Compiling getrandom v0.2.6 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling mio v0.8.2 [INFO] [stderr] Compiling socket2 v0.4.4 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling unicode-normalization v0.1.19 [INFO] [stderr] Compiling crossbeam-channel v0.5.4 [INFO] [stderr] Compiling quote v1.0.16 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand_pcg v0.2.1 [INFO] [stderr] Compiling regex v1.5.5 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling parking_lot v0.12.0 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling bag v0.1.0 (/opt/rustwide/workdir/bag) [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling idna v0.2.3 [INFO] [stderr] Compiling http-body v0.4.4 [INFO] [stderr] Compiling url v2.2.2 [INFO] [stderr] Compiling phf_generator v0.10.0 [INFO] [stderr] Compiling phf_generator v0.8.0 [INFO] [stderr] Compiling string_cache_codegen v0.5.2 [INFO] [stderr] Compiling phf_codegen v0.8.0 [INFO] [stderr] Compiling markup5ever v0.10.1 [INFO] [stderr] Compiling string_cache v0.8.4 [INFO] [stderr] Compiling serde_urlencoded v0.7.1 [INFO] [stderr] Compiling tracing-serde v0.1.3 [INFO] [stderr] Compiling xml5ever v0.16.2 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling tracing-attributes v0.1.20 [INFO] [stderr] Compiling html5ever v0.25.2 [INFO] [stderr] Compiling clap_derive v3.1.4 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling tokio v1.17.0 [INFO] [stderr] Compiling tracing v0.1.32 [INFO] [stderr] Compiling tracing-subscriber v0.3.10 [INFO] [stderr] Compiling thiserror v1.0.30 [INFO] [stderr] Compiling overloaded v0.1.0 (/opt/rustwide/workdir/overloaded) [INFO] [stderr] Compiling clap v3.1.6 [INFO] [stderr] Compiling markup5ever_rcdom v0.1.0 [INFO] [stderr] Compiling select v0.5.0 [INFO] [stderr] Compiling tokio-util v0.7.1 [INFO] [stderr] Compiling tokio-native-tls v0.3.0 [INFO] [stderr] Compiling tokio-util v0.6.9 [INFO] [stderr] Compiling tokio-stream v0.1.8 [INFO] [stderr] Compiling h2 v0.3.13 [INFO] [stderr] Compiling word-freq v0.1.0 (/opt/rustwide/workdir/word-freq) [INFO] [stderr] Compiling hyper v0.14.18 [INFO] [stderr] Compiling hyper-tls v0.5.0 [INFO] [stderr] Compiling reqwest v0.11.10 [INFO] [stderr] Compiling scrap-images v0.1.0 (/opt/rustwide/workdir/scrap-images) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 34.38s [INFO] running `Command { std: "docker" "inspect" "6fd5289e2f8b52937e3079acd04f587b08e7a5cf39d739c8ae7f7b37e3dd143e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6fd5289e2f8b52937e3079acd04f587b08e7a5cf39d739c8ae7f7b37e3dd143e", kill_on_drop: false }` [INFO] [stdout] 6fd5289e2f8b52937e3079acd04f587b08e7a5cf39d739c8ae7f7b37e3dd143e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f2251a366e7460ad9df1912182968882dd340624869bbac6265541ca28c655ff [INFO] running `Command { std: "docker" "start" "-a" "f2251a366e7460ad9df1912182968882dd340624869bbac6265541ca28c655ff", kill_on_drop: false }` [INFO] [stderr] Compiling bag v0.1.0 (/opt/rustwide/workdir/bag) [INFO] [stderr] Compiling overloaded v0.1.0 (/opt/rustwide/workdir/overloaded) [INFO] [stderr] Compiling word-freq v0.1.0 (/opt/rustwide/workdir/word-freq) [INFO] [stderr] Compiling scrap-images v0.1.0 (/opt/rustwide/workdir/scrap-images) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.92s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/bag-7dbc813365897250) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/bag-da523c0916d8552e) [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/overloaded-08fcfc15ac27d0dc) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/overloaded-d22c8a5ee0fc7d75) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/scrap_images-c7fb2ea9b053d6df) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/word_freq-f5e601bb36294414) [INFO] running `Command { std: "docker" "inspect" "f2251a366e7460ad9df1912182968882dd340624869bbac6265541ca28c655ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2251a366e7460ad9df1912182968882dd340624869bbac6265541ca28c655ff", kill_on_drop: false }` [INFO] [stdout] f2251a366e7460ad9df1912182968882dd340624869bbac6265541ca28c655ff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5e8834f0cb9a85a75577bac9def3ddf559f21fab90a3117b030d7208f173d018 [INFO] running `Command { std: "docker" "start" "-a" "5e8834f0cb9a85a75577bac9def3ddf559f21fab90a3117b030d7208f173d018", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.16s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bag-7dbc813365897250) [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] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/bag-da523c0916d8552e) [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] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/overloaded-08fcfc15ac27d0dc) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test::build_same_color_with_ints_or_string ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/overloaded-d22c8a5ee0fc7d75) [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] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/scrap_images-c7fb2ea9b053d6df) [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] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/word_freq-f5e601bb36294414) [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] [stderr] Doc-tests bag [INFO] [stderr] Doc-tests overloaded [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] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/color.rs - color::Hue (line 22) ... FAILED [INFO] [stdout] test src/color.rs - color::Rgb (line 34) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/color.rs - color::Hue (line 22) stdout ---- [INFO] [stdout] error[E0432]: unresolved import `playground` [INFO] [stdout] --> src/color.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 4 | use playground::color; [INFO] [stdout] | ^^^^^^^^^^ use of undeclared crate or module `playground` [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0432`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/color.rs - color::Rgb (line 34) stdout ---- [INFO] [stdout] error[E0432]: unresolved import `playground` [INFO] [stdout] --> src/color.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 3 | use playground::color; [INFO] [stdout] | ^^^^^^^^^^ use of undeclared crate or module `playground` [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0432`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/color.rs - color::Hue (line 22) [INFO] [stdout] src/color.rs - color::Rgb (line 34) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "5e8834f0cb9a85a75577bac9def3ddf559f21fab90a3117b030d7208f173d018", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e8834f0cb9a85a75577bac9def3ddf559f21fab90a3117b030d7208f173d018", kill_on_drop: false }` [INFO] [stdout] 5e8834f0cb9a85a75577bac9def3ddf559f21fab90a3117b030d7208f173d018