[INFO] fetching crate serde_yang 0.2.0...
[INFO] testing serde_yang-0.2.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate serde_yang 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate serde_yang 0.2.0
[INFO] finished tweaking crates.io crate serde_yang 0.2.0
[INFO] tweaked toml for crates.io crate serde_yang 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_yang 0.2.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d4c7725646f8312ce4467cccf177cc54415fa077e7db078cbe7f458e958ecd6
[INFO] running `Command { std: "docker" "start" "-a" "4d4c7725646f8312ce4467cccf177cc54415fa077e7db078cbe7f458e958ecd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d4c7725646f8312ce4467cccf177cc54415fa077e7db078cbe7f458e958ecd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d4c7725646f8312ce4467cccf177cc54415fa077e7db078cbe7f458e958ecd6", kill_on_drop: false }`
[INFO] [stdout] 4d4c7725646f8312ce4467cccf177cc54415fa077e7db078cbe7f458e958ecd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1aec36e174c542c4d05ade5d4fa4700b7cdeaf629c8b81075977bf3f2e73bbf
[INFO] running `Command { std: "docker" "start" "-a" "d1aec36e174c542c4d05ade5d4fa4700b7cdeaf629c8b81075977bf3f2e73bbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_yang v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `built_in`
[INFO] [stdout]   --> src/ser/serializer.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         built_in
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `type_mapping` is never used
[INFO] [stdout]   --> src/ser/types.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn type_mapping<'a>() -> HashMap<Type, &'a str>
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "d1aec36e174c542c4d05ade5d4fa4700b7cdeaf629c8b81075977bf3f2e73bbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1aec36e174c542c4d05ade5d4fa4700b7cdeaf629c8b81075977bf3f2e73bbf", kill_on_drop: false }`
[INFO] [stdout] d1aec36e174c542c4d05ade5d4fa4700b7cdeaf629c8b81075977bf3f2e73bbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39af1878a566d747f9277f4608f36703d5a7c70f7fb855b0075ce5b4a5bec9ee
[INFO] running `Command { std: "docker" "start" "-a" "39af1878a566d747f9277f4608f36703d5a7c70f7fb855b0075ce5b4a5bec9ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_yang v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `built_in`
[INFO] [stdout]   --> src/ser/serializer.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         built_in
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `type_mapping` is never used
[INFO] [stdout]   --> src/ser/types.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn type_mapping<'a>() -> HashMap<Type, &'a str>
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `built_in`
[INFO] [stdout]   --> src/ser/serializer.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         built_in
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `type_mapping` is never used
[INFO] [stdout]   --> src/ser/types.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn type_mapping<'a>() -> HashMap<Type, &'a str>
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "39af1878a566d747f9277f4608f36703d5a7c70f7fb855b0075ce5b4a5bec9ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39af1878a566d747f9277f4608f36703d5a7c70f7fb855b0075ce5b4a5bec9ee", kill_on_drop: false }`
[INFO] [stdout] 39af1878a566d747f9277f4608f36703d5a7c70f7fb855b0075ce5b4a5bec9ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2ce4a9ed11780775eb360ca1cad32aaa8bfc25ea8fbc1f60da4c81fbb7a35976
[INFO] running `Command { std: "docker" "start" "-a" "2ce4a9ed11780775eb360ca1cad32aaa8bfc25ea8fbc1f60da4c81fbb7a35976", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `built_in`
[INFO] [stderr]   --> src/ser/serializer.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |         built_in
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `type_mapping` is never used
[INFO] [stderr]   --> src/ser/types.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn type_mapping<'a>() -> HashMap<Type, &'a str>
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `serde_yang` (lib) generated 2 warnings (run `cargo fix --lib -p serde_yang` to apply 1 suggestion)
[INFO] [stderr] warning: `serde_yang` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_yang-55924d33522b3e91)
[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 tests/test.rs (/opt/rustwide/target/debug/deps/test-8eb35c6901016473)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_basic_leaf ... ok
[INFO] [stdout] test test_basic_container ... ok
[INFO] [stdout] test test_basic_leaf_list ... 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]    Doc-tests serde_yang
[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] running `Command { std: "docker" "inspect" "2ce4a9ed11780775eb360ca1cad32aaa8bfc25ea8fbc1f60da4c81fbb7a35976", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ce4a9ed11780775eb360ca1cad32aaa8bfc25ea8fbc1f60da4c81fbb7a35976", kill_on_drop: false }`
[INFO] [stdout] 2ce4a9ed11780775eb360ca1cad32aaa8bfc25ea8fbc1f60da4c81fbb7a35976