[INFO] fetching crate mangle-engine 0.1.1...
[INFO] testing mangle-engine-0.1.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate mangle-engine 0.1.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate mangle-engine 0.1.1
[INFO] finished tweaking crates.io crate mangle-engine 0.1.1
[INFO] tweaked toml for crates.io crate mangle-engine 0.1.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mangle-engine 0.1.1 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 19 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mangle-analysis v0.1.1
[INFO] [stderr]   Downloaded googletest v0.11.0
[INFO] [stderr]   Downloaded googletest_macro v0.11.0
[INFO] [stderr]   Downloaded mangle-factstore v0.1.1
[INFO] [stderr]   Downloaded mangle-ast v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 14531280f60231f99020423dbcd6aa4a5c6d262ba59c5f3cd62572b4695b2f2a
[INFO] running `Command { std: "docker" "start" "-a" "14531280f60231f99020423dbcd6aa4a5c6d262ba59c5f3cd62572b4695b2f2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14531280f60231f99020423dbcd6aa4a5c6d262ba59c5f3cd62572b4695b2f2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14531280f60231f99020423dbcd6aa4a5c6d262ba59c5f3cd62572b4695b2f2a", kill_on_drop: false }`
[INFO] [stdout] 14531280f60231f99020423dbcd6aa4a5c6d262ba59c5f3cd62572b4695b2f2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7a4ca63404e3f0199f2057e36edd4adb4bb94b8e75ea8167f767fda982fc91ff
[INFO] running `Command { std: "docker" "start" "-a" "7a4ca63404e3f0199f2057e36edd4adb4bb94b8e75ea8167f767fda982fc91ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling googletest_macro v0.11.0
[INFO] [stderr]    Compiling googletest v0.11.0
[INFO] [stderr]    Compiling mangle-ast v0.1.1
[INFO] [stderr]    Compiling mangle-factstore v0.1.1
[INFO] [stderr]    Compiling mangle-analysis v0.1.1
[INFO] [stderr]    Compiling mangle-engine v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Naive` is never constructed
[INFO] [stdout]   --> src/naive.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Naive {}
[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 6.86s
[INFO] running `Command { std: "docker" "inspect" "7a4ca63404e3f0199f2057e36edd4adb4bb94b8e75ea8167f767fda982fc91ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a4ca63404e3f0199f2057e36edd4adb4bb94b8e75ea8167f767fda982fc91ff", kill_on_drop: false }`
[INFO] [stdout] 7a4ca63404e3f0199f2057e36edd4adb4bb94b8e75ea8167f767fda982fc91ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3dbdeb9530aac476a47d4cdb1a93ca1e69eedb5b294f57820682eec42d388035
[INFO] running `Command { std: "docker" "start" "-a" "3dbdeb9530aac476a47d4cdb1a93ca1e69eedb5b294f57820682eec42d388035", kill_on_drop: false }`
[INFO] [stderr]    Compiling mangle-engine v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Naive` is never constructed
[INFO] [stdout]   --> src/naive.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Naive {}
[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 0.93s
[INFO] running `Command { std: "docker" "inspect" "3dbdeb9530aac476a47d4cdb1a93ca1e69eedb5b294f57820682eec42d388035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dbdeb9530aac476a47d4cdb1a93ca1e69eedb5b294f57820682eec42d388035", kill_on_drop: false }`
[INFO] [stdout] 3dbdeb9530aac476a47d4cdb1a93ca1e69eedb5b294f57820682eec42d388035
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] e8e21c5eab58bd573f80db8257a0299d7dfddec2d3dcdefffa32f78e6a7b2659
[INFO] running `Command { std: "docker" "start" "-a" "e8e21c5eab58bd573f80db8257a0299d7dfddec2d3dcdefffa32f78e6a7b2659", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Naive` is never constructed
[INFO] [stderr]   --> src/naive.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub struct Naive {}
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mangle-engine` (lib) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mangle_engine-73b9cd6693c8ea48)
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests mangle_engine
[INFO] [stdout] test naive::test::test_naive ... 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] [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" "e8e21c5eab58bd573f80db8257a0299d7dfddec2d3dcdefffa32f78e6a7b2659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8e21c5eab58bd573f80db8257a0299d7dfddec2d3dcdefffa32f78e6a7b2659", kill_on_drop: false }`
[INFO] [stdout] e8e21c5eab58bd573f80db8257a0299d7dfddec2d3dcdefffa32f78e6a7b2659