[INFO] fetching crate prolangkit 0.1.16...
[INFO] testing prolangkit-0.1.16 against 1.91.0 for beta-1.92-2
[INFO] extracting crate prolangkit 0.1.16 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate prolangkit 0.1.16
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate prolangkit 0.1.16
[INFO] tweaked toml for crates.io crate prolangkit 0.1.16 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate prolangkit 0.1.16 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] crate crates.io crate prolangkit 0.1.16 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded logos-codegen v0.14.2
[INFO] [stderr]   Downloaded logos-derive v0.14.2
[INFO] [stderr]   Downloaded prolangkit_macros v0.1.0
[INFO] [stderr]   Downloaded syn v2.0.85
[INFO] [stderr]   Downloaded logos v0.14.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 71c967b389d3879d40dabad2016d03a408c3282c5f8a6509fc13b24562413750
[INFO] running `Command { std: "docker" "start" "-a" "71c967b389d3879d40dabad2016d03a408c3282c5f8a6509fc13b24562413750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71c967b389d3879d40dabad2016d03a408c3282c5f8a6509fc13b24562413750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71c967b389d3879d40dabad2016d03a408c3282c5f8a6509fc13b24562413750", kill_on_drop: false }`
[INFO] [stdout] 71c967b389d3879d40dabad2016d03a408c3282c5f8a6509fc13b24562413750
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3d88a271f20f85a4d9e8ca9c239aeede9bf1030bb2b2bb6b86412628b3d4725b
[INFO] running `Command { std: "docker" "start" "-a" "3d88a271f20f85a4d9e8ca9c239aeede9bf1030bb2b2bb6b86412628b3d4725b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.85
[INFO] [stderr]    Compiling logos-codegen v0.14.2
[INFO] [stderr]    Compiling prolangkit_macros v0.1.0
[INFO] [stderr]    Compiling logos-derive v0.14.2
[INFO] [stderr]    Compiling logos v0.14.2
[INFO] [stderr]    Compiling prolangkit v0.1.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.32s
[INFO] running `Command { std: "docker" "inspect" "3d88a271f20f85a4d9e8ca9c239aeede9bf1030bb2b2bb6b86412628b3d4725b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d88a271f20f85a4d9e8ca9c239aeede9bf1030bb2b2bb6b86412628b3d4725b", kill_on_drop: false }`
[INFO] [stdout] 3d88a271f20f85a4d9e8ca9c239aeede9bf1030bb2b2bb6b86412628b3d4725b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ee2318a4ccccf2466ada0e30621dd2c7de6ca43c67e3f3e0e90b6615d309ea6e
[INFO] running `Command { std: "docker" "start" "-a" "ee2318a4ccccf2466ada0e30621dd2c7de6ca43c67e3f3e0e90b6615d309ea6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling prolangkit v0.1.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `buh`
[INFO] [stdout]   --> examples/test.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let buh = db.get_assoc_mut::<Baz>(foo);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_buh`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> examples/test.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Foo(u32);
[INFO] [stdout]    |            --- ^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> examples/test.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Bar(f32);
[INFO] [stdout]    |            --- ^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> examples/test.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Baz(&'static str);
[INFO] [stdout]    |            --- ^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "ee2318a4ccccf2466ada0e30621dd2c7de6ca43c67e3f3e0e90b6615d309ea6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee2318a4ccccf2466ada0e30621dd2c7de6ca43c67e3f3e0e90b6615d309ea6e", kill_on_drop: false }`
[INFO] [stdout] ee2318a4ccccf2466ada0e30621dd2c7de6ca43c67e3f3e0e90b6615d309ea6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 66b964a09f0a173758e3c812159172e3440d98febe11aaa38de12ac2185cd2eb
[INFO] running `Command { std: "docker" "start" "-a" "66b964a09f0a173758e3c812159172e3440d98febe11aaa38de12ac2185cd2eb", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `buh`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> examples/test.rs:10:9
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 10 |     let buh = db.get_assoc_mut::<Baz>(foo);
[INFO] [stdout] 
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_buh`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> examples/test.rs:14:16
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub struct Foo(u32);
[INFO] [stderr]    |            --- ^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing this field
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> examples/test.rs:17:16
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct Bar(f32);
[INFO] [stderr]    |            --- ^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing this field
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> examples/test.rs:20:16
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub struct Baz(&'static str);
[INFO] [stderr]    |            --- ^^^^^^^^^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing this field
[INFO] [stderr] 
[INFO] [stderr] warning: `prolangkit` (example "test") generated 4 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/prolangkit-d37f847a108f73ee)
[INFO] [stderr]    Doc-tests prolangkit
[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" "66b964a09f0a173758e3c812159172e3440d98febe11aaa38de12ac2185cd2eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66b964a09f0a173758e3c812159172e3440d98febe11aaa38de12ac2185cd2eb", kill_on_drop: false }`
[INFO] [stdout] 66b964a09f0a173758e3c812159172e3440d98febe11aaa38de12ac2185cd2eb
