[INFO] cloning repository https://github.com/ah-aydin/blob-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ah-aydin/blob-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fah-aydin%2Fblob-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fah-aydin%2Fblob-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee24e226f68ab75396429541f005ca73ee7c662c
[INFO] building ah-aydin/blob-lang against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fah-aydin%2Fblob-lang" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ah-aydin/blob-lang on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ah-aydin/blob-lang
[INFO] finished tweaking git repo https://github.com/ah-aydin/blob-lang
[INFO] tweaked toml for git repo https://github.com/ah-aydin/blob-lang written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ah-aydin/blob-lang 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae2b0f479e3ca32f66311b70571f24a003545f7bd563ea54eb20bc77e3787e90
[INFO] running `Command { std: "docker" "start" "-a" "ae2b0f479e3ca32f66311b70571f24a003545f7bd563ea54eb20bc77e3787e90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae2b0f479e3ca32f66311b70571f24a003545f7bd563ea54eb20bc77e3787e90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae2b0f479e3ca32f66311b70571f24a003545f7bd563ea54eb20bc77e3787e90", kill_on_drop: false }`
[INFO] [stdout] ae2b0f479e3ca32f66311b70571f24a003545f7bd563ea54eb20bc77e3787e90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e0194c405be184ac017dc82916d034f861e5e369b2b4af4fc7bea6f4026c465
[INFO] running `Command { std: "docker" "start" "-a" "4e0194c405be184ac017dc82916d034f861e5e369b2b4af4fc7bea6f4026c465", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling blob-c v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `is_type_ref` is never used
[INFO] [stdout]   --> src/ast/btype.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl BTypeWrapper {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn is_type_ref(&self, btype: BType) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]  --> src/ast/expr.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct ExprBool {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 9 |     pub value: bool,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ExprBool` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/ast/expr.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct ExprI64 {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 15 |     pub value: i64,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExprI64` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `arg_idents` is never read
[INFO] [stdout]   --> src/declartions.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct FuncDecl {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 19 |     pub arg_idents: Vec<String>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FuncDecl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "4e0194c405be184ac017dc82916d034f861e5e369b2b4af4fc7bea6f4026c465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e0194c405be184ac017dc82916d034f861e5e369b2b4af4fc7bea6f4026c465", kill_on_drop: false }`
[INFO] [stdout] 4e0194c405be184ac017dc82916d034f861e5e369b2b4af4fc7bea6f4026c465
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e32e299306e5831ac3858ba980cf8abe8c7b4f02d7baf274c215ae06793a221
[INFO] running `Command { std: "docker" "start" "-a" "3e32e299306e5831ac3858ba980cf8abe8c7b4f02d7baf274c215ae06793a221", kill_on_drop: false }`
[INFO] [stderr]    Compiling blob-c v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `is_type_ref` is never used
[INFO] [stdout]   --> src/ast/btype.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl BTypeWrapper {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn is_type_ref(&self, btype: BType) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]  --> src/ast/expr.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct ExprBool {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 9 |     pub value: bool,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ExprBool` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/ast/expr.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct ExprI64 {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 15 |     pub value: i64,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExprI64` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `arg_idents` is never read
[INFO] [stdout]   --> src/declartions.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct FuncDecl {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 19 |     pub arg_idents: Vec<String>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FuncDecl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "3e32e299306e5831ac3858ba980cf8abe8c7b4f02d7baf274c215ae06793a221", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e32e299306e5831ac3858ba980cf8abe8c7b4f02d7baf274c215ae06793a221", kill_on_drop: false }`
[INFO] [stdout] 3e32e299306e5831ac3858ba980cf8abe8c7b4f02d7baf274c215ae06793a221