[INFO] cloning repository https://github.com/just-worker/learn-substrate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/just-worker/learn-substrate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjust-worker%2Flearn-substrate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjust-worker%2Flearn-substrate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18926802bec5f7450fa1d293cb48ccc4652416f4
[INFO] testing just-worker/learn-substrate against 1.90.0 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjust-worker%2Flearn-substrate" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/just-worker/learn-substrate
[INFO] finished tweaking git repo https://github.com/just-worker/learn-substrate
[INFO] tweaked toml for git repo https://github.com/just-worker/learn-substrate written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/just-worker/learn-substrate on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/just-worker/learn-substrate already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e874edc31b4761e08a734816280383638e58566f16bb648af535fef3a70a05aa
[INFO] running `Command { std: "docker" "start" "-a" "e874edc31b4761e08a734816280383638e58566f16bb648af535fef3a70a05aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e874edc31b4761e08a734816280383638e58566f16bb648af535fef3a70a05aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e874edc31b4761e08a734816280383638e58566f16bb648af535fef3a70a05aa", kill_on_drop: false }`
[INFO] [stdout] e874edc31b4761e08a734816280383638e58566f16bb648af535fef3a70a05aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] adc45f2ecd448c890973bbc9c6c068d4ccdc0e702c3f03298753bf87df9aae5e
[INFO] running `Command { std: "docker" "start" "-a" "adc45f2ecd448c890973bbc9c6c068d4ccdc0e702c3f03298753bf87df9aae5e", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling bubble v0.1.0 (/opt/rustwide/workdir/bubble)
[INFO] [stderr]    Compiling homework2 v0.1.0 (/opt/rustwide/workdir/homework2)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "adc45f2ecd448c890973bbc9c6c068d4ccdc0e702c3f03298753bf87df9aae5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adc45f2ecd448c890973bbc9c6c068d4ccdc0e702c3f03298753bf87df9aae5e", kill_on_drop: false }`
[INFO] [stdout] adc45f2ecd448c890973bbc9c6c068d4ccdc0e702c3f03298753bf87df9aae5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4db023631ea88cc08d15dc94c3d9c3a4913c5a7a94d03db00eecbf191cc21754
[INFO] running `Command { std: "docker" "start" "-a" "4db023631ea88cc08d15dc94c3d9c3a4913c5a7a94d03db00eecbf191cc21754", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling bubble v0.1.0 (/opt/rustwide/workdir/bubble)
[INFO] [stderr]    Compiling homework2 v0.1.0 (/opt/rustwide/workdir/homework2)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "4db023631ea88cc08d15dc94c3d9c3a4913c5a7a94d03db00eecbf191cc21754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4db023631ea88cc08d15dc94c3d9c3a4913c5a7a94d03db00eecbf191cc21754", kill_on_drop: false }`
[INFO] [stdout] 4db023631ea88cc08d15dc94c3d9c3a4913c5a7a94d03db00eecbf191cc21754
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7a4c1878f4822a335a673fdae3f9179a017d7b0ad9416c0a1b813b3ed2a82327
[INFO] running `Command { std: "docker" "start" "-a" "7a4c1878f4822a335a673fdae3f9179a017d7b0ad9416c0a1b813b3ed2a82327", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bubble-4559a76ee6f29c7b)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test bubble::tests::test_order ... ok
[INFO] [stdout] test bubble::tests::test_reverse ... ok
[INFO] [stdout] test bubble::tests::test_disorder ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 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/homework2-90e5f8865d92fcae)
[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 bubble
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test bubble/src/bubble.rs - bubble::Bubble (line 6) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- bubble/src/bubble.rs - bubble::Bubble (line 6) stdout ----
[INFO] [stdout] error[E0254]: the name `bubble` is defined multiple times
[INFO] [stdout]  --> bubble/src/bubble.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate r#bubble;
[INFO] [stdout]   | ---------------------- previous import of the extern crate `bubble` here
[INFO] [stdout] 4 | use bubble;
[INFO] [stdout]   |     ^^^^^^ `bubble` reimported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `bubble` must be defined only once in the type namespace of this module
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `Bubble` in `bubble`
[INFO] [stdout]  --> bubble/src/bubble.rs:10:33
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let bubble_sorter = bubble::Bubble::new();
[INFO] [stdout]   |                                 ^^^^^^ could not find `Bubble` in `bubble`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 4 + use bubble::bubble::Bubble;
[INFO] [stdout]   |
[INFO] [stdout] help: if you import `Bubble`, refer to it directly
[INFO] [stdout]   |
[INFO] [stdout] 6 -     let bubble_sorter = bubble::Bubble::new();
[INFO] [stdout] 6 +     let bubble_sorter = Bubble::new();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0254, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0254`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     bubble/src/bubble.rs - bubble::Bubble (line 6)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `-p bubble --doc`
[INFO] running `Command { std: "docker" "inspect" "7a4c1878f4822a335a673fdae3f9179a017d7b0ad9416c0a1b813b3ed2a82327", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a4c1878f4822a335a673fdae3f9179a017d7b0ad9416c0a1b813b3ed2a82327", kill_on_drop: false }`
[INFO] [stdout] 7a4c1878f4822a335a673fdae3f9179a017d7b0ad9416c0a1b813b3ed2a82327