[INFO] fetching crate prolangkit 0.1.16...
[INFO] testing prolangkit-0.1.16 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate prolangkit 0.1.16 into /workspace/builds/worker-1-tc2/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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prolangkit 0.1.16 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] 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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 036f7b25b390f1e0d1cdd1bd18a38178dc4de7e4afc5e194aa5c4bf618d1f63b
[INFO] running `Command { std: "docker" "start" "-a" "036f7b25b390f1e0d1cdd1bd18a38178dc4de7e4afc5e194aa5c4bf618d1f63b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "036f7b25b390f1e0d1cdd1bd18a38178dc4de7e4afc5e194aa5c4bf618d1f63b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "036f7b25b390f1e0d1cdd1bd18a38178dc4de7e4afc5e194aa5c4bf618d1f63b", kill_on_drop: false }`
[INFO] [stdout] 036f7b25b390f1e0d1cdd1bd18a38178dc4de7e4afc5e194aa5c4bf618d1f63b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] d4d896fdb5044a0641c928e5de81ac8247f182b07468941589246e9723fd4707
[INFO] running `Command { std: "docker" "start" "-a" "d4d896fdb5044a0641c928e5de81ac8247f182b07468941589246e9723fd4707", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling beef v0.5.2
[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 10.80s
[INFO] running `Command { std: "docker" "inspect" "d4d896fdb5044a0641c928e5de81ac8247f182b07468941589246e9723fd4707", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4d896fdb5044a0641c928e5de81ac8247f182b07468941589246e9723fd4707", kill_on_drop: false }`
[INFO] [stdout] d4d896fdb5044a0641c928e5de81ac8247f182b07468941589246e9723fd4707
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 99c487d6f1725054461f2b955e3f178de3b3d4af7cb154bead09ecef5bb8739b
[INFO] running `Command { std: "docker" "start" "-a" "99c487d6f1725054461f2b955e3f178de3b3d4af7cb154bead09ecef5bb8739b", 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)]` 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)]` 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 0.91s
[INFO] running `Command { std: "docker" "inspect" "99c487d6f1725054461f2b955e3f178de3b3d4af7cb154bead09ecef5bb8739b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99c487d6f1725054461f2b955e3f178de3b3d4af7cb154bead09ecef5bb8739b", kill_on_drop: false }`
[INFO] [stdout] 99c487d6f1725054461f2b955e3f178de3b3d4af7cb154bead09ecef5bb8739b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f7e1f1ca9f5b27c15eac3784c05e80e2c2eeeb68b0939a1bb0b918a08f9b8be7
[INFO] running `Command { std: "docker" "start" "-a" "f7e1f1ca9f5b27c15eac3784c05e80e2c2eeeb68b0939a1bb0b918a08f9b8be7", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `buh`
[INFO] [stderr]   --> examples/test.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let buh = db.get_assoc_mut::<Baz>(foo);
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_buh`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` 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)]` 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 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/prolangkit-f5318f0824ef9be4)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests prolangkit
[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] [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" "f7e1f1ca9f5b27c15eac3784c05e80e2c2eeeb68b0939a1bb0b918a08f9b8be7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7e1f1ca9f5b27c15eac3784c05e80e2c2eeeb68b0939a1bb0b918a08f9b8be7", kill_on_drop: false }`
[INFO] [stdout] f7e1f1ca9f5b27c15eac3784c05e80e2c2eeeb68b0939a1bb0b918a08f9b8be7