[INFO] cloning repository https://github.com/ArcSecant/coggers [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ArcSecant/coggers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArcSecant%2Fcoggers", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArcSecant%2Fcoggers'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 20329097a16b58a9d39eeb24323ad199e78bdfdc [INFO] checking ArcSecant/coggers/20329097a16b58a9d39eeb24323ad199e78bdfdc against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArcSecant%2Fcoggers" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ArcSecant/coggers on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ArcSecant/coggers [INFO] finished tweaking git repo https://github.com/ArcSecant/coggers [INFO] tweaked toml for git repo https://github.com/ArcSecant/coggers written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ArcSecant/coggers 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 057945cbc9550c59abd0e180d1cacdf60c0a00a35cc95f820e803d5dafcc7398 [INFO] running `Command { std: "docker" "start" "-a" "057945cbc9550c59abd0e180d1cacdf60c0a00a35cc95f820e803d5dafcc7398", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "057945cbc9550c59abd0e180d1cacdf60c0a00a35cc95f820e803d5dafcc7398", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "057945cbc9550c59abd0e180d1cacdf60c0a00a35cc95f820e803d5dafcc7398", kill_on_drop: false }` [INFO] [stdout] 057945cbc9550c59abd0e180d1cacdf60c0a00a35cc95f820e803d5dafcc7398 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0b980900c9bdbf33f35d1a371d952b9c2d5658007c7f37f8de14740ea833791b [INFO] running `Command { std: "docker" "start" "-a" "0b980900c9bdbf33f35d1a371d952b9c2d5658007c7f37f8de14740ea833791b", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.55 [INFO] [stderr] Compiling indexmap v1.6.1 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling cranelift-codegen-shared v0.68.0 [INFO] [stderr] Compiling cranelift-entity v0.68.0 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Compiling target-lexicon v0.11.1 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling cranelift-codegen-meta v0.68.0 [INFO] [stderr] Checking smallvec v1.5.1 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking regalloc v0.0.31 [INFO] [stderr] Checking cranelift-bforest v0.68.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling libc v0.2.82 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling peg-runtime v0.6.3 [INFO] [stderr] Checking gimli v0.22.0 [INFO] [stderr] Compiling raw-cpuid v7.0.4 [INFO] [stderr] Compiling peg-macros v0.6.3 [INFO] [stderr] Checking errno v0.2.7 [INFO] [stderr] Checking region v2.2.0 [INFO] [stderr] Checking peg v0.6.3 [INFO] [stderr] Compiling thiserror-impl v1.0.22 [INFO] [stderr] Checking thiserror v1.0.22 [INFO] [stderr] Compiling cranelift-codegen v0.68.0 [INFO] [stderr] Checking cranelift-native v0.68.0 [INFO] [stderr] Checking cranelift-frontend v0.68.0 [INFO] [stderr] Checking cranelift-module v0.68.0 [INFO] [stderr] Checking cranelift-preopt v0.68.0 [INFO] [stderr] Checking cranelift-simplejit v0.68.0 [INFO] [stderr] Checking cranelift v0.68.0 [INFO] [stderr] Checking poggers v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/inference.rs:325:13 [INFO] [stdout] | [INFO] [stdout] 325 | _ => return Err(Error::DoesNotOccur), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/inference.rs:325:13 [INFO] [stdout] | [INFO] [stdout] 222 | Expr::EVar(name) => match env.0.get(name) { [INFO] [stdout] | ---------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 226 | Expr::ELit(lit) => self.infer_lit(lit), [INFO] [stdout] | --------------- matches some of the same values [INFO] [stdout] 227 | Expr::ELam(name, exp) => { [INFO] [stdout] | --------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 242 | Expr::EApp(fun, arg) => { [INFO] [stdout] | -------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 325 | _ => return Err(Error::DoesNotOccur), [INFO] [stdout] | ^ ...and 6 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/inference.rs:325:13 [INFO] [stdout] | [INFO] [stdout] 325 | _ => return Err(Error::DoesNotOccur), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/inference.rs:325:13 [INFO] [stdout] | [INFO] [stdout] 222 | Expr::EVar(name) => match env.0.get(name) { [INFO] [stdout] | ---------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 226 | Expr::ELit(lit) => self.infer_lit(lit), [INFO] [stdout] | --------------- matches some of the same values [INFO] [stdout] 227 | Expr::ELam(name, exp) => { [INFO] [stdout] | --------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 242 | Expr::EApp(fun, arg) => { [INFO] [stdout] | -------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 325 | _ => return Err(Error::DoesNotOccur), [INFO] [stdout] | ^ ...and 6 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/gen.rs:22:22 [INFO] [stdout] | [INFO] [stdout] 22 | CraneliftCodegen(CodegenError), [INFO] [stdout] | ---------------- ^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 22 | CraneliftCodegen(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/gen.rs:23:15 [INFO] [stdout] | [INFO] [stdout] 23 | Undefined(&'static str), [INFO] [stdout] | --------- ^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 23 | Undefined(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/gen.rs:26:21 [INFO] [stdout] | [INFO] [stdout] 26 | CraneliftModule(ModuleError), [INFO] [stdout] | --------------- ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 26 | CraneliftModule(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `TCustom` is never constructed [INFO] [stdout] --> src/inference.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 48 | pub enum Type { [INFO] [stdout] | ---- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 53 | TCustom(String, Vec), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Type` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test` is never used [INFO] [stdout] --> src/inference.rs:339:8 [INFO] [stdout] | [INFO] [stdout] 339 | pub fn test() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/gen.rs:22:22 [INFO] [stdout] | [INFO] [stdout] 22 | CraneliftCodegen(CodegenError), [INFO] [stdout] | ---------------- ^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 22 | CraneliftCodegen(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/gen.rs:23:15 [INFO] [stdout] | [INFO] [stdout] 23 | Undefined(&'static str), [INFO] [stdout] | --------- ^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 23 | Undefined(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/gen.rs:26:21 [INFO] [stdout] | [INFO] [stdout] 26 | CraneliftModule(ModuleError), [INFO] [stdout] | --------------- ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 26 | CraneliftModule(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `TCustom` is never constructed [INFO] [stdout] --> src/inference.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 48 | pub enum Type { [INFO] [stdout] | ---- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 53 | TCustom(String, Vec), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Type` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test` is never used [INFO] [stdout] --> src/inference.rs:339:8 [INFO] [stdout] | [INFO] [stdout] 339 | pub fn test() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.33s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cranelift-codegen-meta v0.68.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "0b980900c9bdbf33f35d1a371d952b9c2d5658007c7f37f8de14740ea833791b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b980900c9bdbf33f35d1a371d952b9c2d5658007c7f37f8de14740ea833791b", kill_on_drop: false }` [INFO] [stdout] 0b980900c9bdbf33f35d1a371d952b9c2d5658007c7f37f8de14740ea833791b