[INFO] fetching crate serde_yang 0.2.0...
[INFO] testing serde_yang-0.2.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate serde_yang 0.2.0 into /workspace/builds/worker-6-tc2/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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_yang 0.2.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc7387e34a1ac9a0b26d926c88242eac072513f261bafcf38677f6addea1ce40
[INFO] running `Command { std: "docker" "start" "-a" "bc7387e34a1ac9a0b26d926c88242eac072513f261bafcf38677f6addea1ce40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc7387e34a1ac9a0b26d926c88242eac072513f261bafcf38677f6addea1ce40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc7387e34a1ac9a0b26d926c88242eac072513f261bafcf38677f6addea1ce40", kill_on_drop: false }`
[INFO] [stdout] bc7387e34a1ac9a0b26d926c88242eac072513f261bafcf38677f6addea1ce40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 952aed68ede78ca3b0aa7851a829f6acdd4529c621fecdad8ca7caeb5fad3e72
[INFO] running `Command { std: "docker" "start" "-a" "952aed68ede78ca3b0aa7851a829f6acdd4529c621fecdad8ca7caeb5fad3e72", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "952aed68ede78ca3b0aa7851a829f6acdd4529c621fecdad8ca7caeb5fad3e72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "952aed68ede78ca3b0aa7851a829f6acdd4529c621fecdad8ca7caeb5fad3e72", kill_on_drop: false }`
[INFO] [stdout] 952aed68ede78ca3b0aa7851a829f6acdd4529c621fecdad8ca7caeb5fad3e72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bccf9d2ae6dc0b5b21064131d383a12eb99c4c522264f138f86cfd81e293fdd
[INFO] running `Command { std: "docker" "start" "-a" "0bccf9d2ae6dc0b5b21064131d383a12eb99c4c522264f138f86cfd81e293fdd", kill_on_drop: false }`
[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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "0bccf9d2ae6dc0b5b21064131d383a12eb99c4c522264f138f86cfd81e293fdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bccf9d2ae6dc0b5b21064131d383a12eb99c4c522264f138f86cfd81e293fdd", kill_on_drop: false }`
[INFO] [stdout] 0bccf9d2ae6dc0b5b21064131d383a12eb99c4c522264f138f86cfd81e293fdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 64d8cb5eb028e32bf0999e0e8294f79312769d5d68c4c9f32819cb870743095f
[INFO] running `Command { std: "docker" "start" "-a" "64d8cb5eb028e32bf0999e0e8294f79312769d5d68c4c9f32819cb870743095f", 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)]` 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)]` 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 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_yang-db74ff1bd155d781)
[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-8b81cb2c299b17cf)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_basic_leaf ... ok
[INFO] [stdout] test test_basic_leaf_list ... ok
[INFO] [stdout] test test_basic_container ... 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" "64d8cb5eb028e32bf0999e0e8294f79312769d5d68c4c9f32819cb870743095f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64d8cb5eb028e32bf0999e0e8294f79312769d5d68c4c9f32819cb870743095f", kill_on_drop: false }`
[INFO] [stdout] 64d8cb5eb028e32bf0999e0e8294f79312769d5d68c4c9f32819cb870743095f