[INFO] cloning repository https://github.com/terakun/type_inference
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/terakun/type_inference" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterakun%2Ftype_inference", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterakun%2Ftype_inference'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 076e33d711085981661e2995f1be376a1c367077
[INFO] testing terakun/type_inference against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fterakun%2Ftype_inference" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/terakun/type_inference on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/terakun/type_inference
[INFO] finished tweaking git repo https://github.com/terakun/type_inference
[INFO] tweaked toml for git repo https://github.com/terakun/type_inference written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/terakun/type_inference already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca56eac8d4cfd24e21be5123542050ec3b3dc910a47369dae4df5e90a2b5f5a2
[INFO] running `Command { std: "docker" "start" "-a" "ca56eac8d4cfd24e21be5123542050ec3b3dc910a47369dae4df5e90a2b5f5a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca56eac8d4cfd24e21be5123542050ec3b3dc910a47369dae4df5e90a2b5f5a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca56eac8d4cfd24e21be5123542050ec3b3dc910a47369dae4df5e90a2b5f5a2", kill_on_drop: false }`
[INFO] [stdout] ca56eac8d4cfd24e21be5123542050ec3b3dc910a47369dae4df5e90a2b5f5a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f78f85c68859ffb2dc6fb9575de1e128b855c6ca585c7befb52fa8352002a0c4
[INFO] running `Command { std: "docker" "start" "-a" "f78f85c68859ffb2dc6fb9575de1e128b855c6ca585c7befb52fa8352002a0c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling type_inference v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Bool`
[INFO] [stdout]   --> src/ast.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Bool(bool),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Const` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/ast.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Debug, Clone, PartialEq)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.74s
[INFO] running `Command { std: "docker" "inspect" "f78f85c68859ffb2dc6fb9575de1e128b855c6ca585c7befb52fa8352002a0c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f78f85c68859ffb2dc6fb9575de1e128b855c6ca585c7befb52fa8352002a0c4", kill_on_drop: false }`
[INFO] [stdout] f78f85c68859ffb2dc6fb9575de1e128b855c6ca585c7befb52fa8352002a0c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd70ee528d93b8249060cffe4fc5a767420f77cfaf54977267b5426b9461e1ff
[INFO] running `Command { std: "docker" "start" "-a" "cd70ee528d93b8249060cffe4fc5a767420f77cfaf54977267b5426b9461e1ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling type_inference v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Bool`
[INFO] [stdout]   --> src/ast.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Bool(bool),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Const` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/ast.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Debug, Clone, PartialEq)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/type_inference-8c89434f363a36b5)
[INFO] running `Command { std: "docker" "inspect" "cd70ee528d93b8249060cffe4fc5a767420f77cfaf54977267b5426b9461e1ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd70ee528d93b8249060cffe4fc5a767420f77cfaf54977267b5426b9461e1ff", kill_on_drop: false }`
[INFO] [stdout] cd70ee528d93b8249060cffe4fc5a767420f77cfaf54977267b5426b9461e1ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9b5f1ba17cb41bfd83a7cf854c67ce1b0ec43330bed67f9e9726211b71455578
[INFO] running `Command { std: "docker" "start" "-a" "9b5f1ba17cb41bfd83a7cf854c67ce1b0ec43330bed67f9e9726211b71455578", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: variant is never constructed: `Bool`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/ast.rs:14:5
[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] 14 |     Bool(bool),
[INFO] [stdout] 
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Const` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/ast.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 | #[derive(Debug, Clone, PartialEq)]
[INFO] [stderr]    |          ^^^^^  ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `type_inference` (bin "type_inference" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/type_inference-8c89434f363a36b5)
[INFO] running `Command { std: "docker" "inspect" "9b5f1ba17cb41bfd83a7cf854c67ce1b0ec43330bed67f9e9726211b71455578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b5f1ba17cb41bfd83a7cf854c67ce1b0ec43330bed67f9e9726211b71455578", kill_on_drop: false }`
[INFO] [stdout] 9b5f1ba17cb41bfd83a7cf854c67ce1b0ec43330bed67f9e9726211b71455578