[INFO] fetching crate prolangkit 0.1.16...
[INFO] building prolangkit-0.1.16 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate prolangkit 0.1.16 into /workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prolangkit 0.1.16 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40a0862ba954783917728e8ed0b13bb8cfa241ec055d3f98e83bf89a40aaa521
[INFO] running `Command { std: "docker" "start" "-a" "40a0862ba954783917728e8ed0b13bb8cfa241ec055d3f98e83bf89a40aaa521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40a0862ba954783917728e8ed0b13bb8cfa241ec055d3f98e83bf89a40aaa521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40a0862ba954783917728e8ed0b13bb8cfa241ec055d3f98e83bf89a40aaa521", kill_on_drop: false }`
[INFO] [stdout] 40a0862ba954783917728e8ed0b13bb8cfa241ec055d3f98e83bf89a40aaa521
[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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f954157394dc910fd0345f02ee279918c977a5db129e391ce960c5d19be87e0a
[INFO] running `Command { std: "docker" "start" "-a" "f954157394dc910fd0345f02ee279918c977a5db129e391ce960c5d19be87e0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[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 7.46s
[INFO] running `Command { std: "docker" "inspect" "f954157394dc910fd0345f02ee279918c977a5db129e391ce960c5d19be87e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f954157394dc910fd0345f02ee279918c977a5db129e391ce960c5d19be87e0a", kill_on_drop: false }`
[INFO] [stdout] f954157394dc910fd0345f02ee279918c977a5db129e391ce960c5d19be87e0a
[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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20de25c7c784a003aad653a7d6872827b89ebc6dd1d660571ea5d4df51efada0
[INFO] running `Command { std: "docker" "start" "-a" "20de25c7c784a003aad653a7d6872827b89ebc6dd1d660571ea5d4df51efada0", 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 0.76s
[INFO] running `Command { std: "docker" "inspect" "20de25c7c784a003aad653a7d6872827b89ebc6dd1d660571ea5d4df51efada0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20de25c7c784a003aad653a7d6872827b89ebc6dd1d660571ea5d4df51efada0", kill_on_drop: false }`
[INFO] [stdout] 20de25c7c784a003aad653a7d6872827b89ebc6dd1d660571ea5d4df51efada0