[INFO] cloning repository https://github.com/geeshta/lambda [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/geeshta/lambda" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeeshta%2Flambda", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeeshta%2Flambda'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 11ca7ba1dbc178e12d524a2e6eddec04c7c3261e [INFO] checking geeshta/lambda against master#f8c27dfe1a2e7fb538fd91dad53de06992c7c967 for pr-138915 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeeshta%2Flambda" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/geeshta/lambda on toolchain f8c27dfe1a2e7fb538fd91dad53de06992c7c967 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/geeshta/lambda [INFO] finished tweaking git repo https://github.com/geeshta/lambda [INFO] tweaked toml for git repo https://github.com/geeshta/lambda written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/geeshta/lambda 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" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 11f55b731184a56504e80c00e61fb302d646490b5d9b7c823a4d9970d54c2492 [INFO] running `Command { std: "docker" "start" "-a" "11f55b731184a56504e80c00e61fb302d646490b5d9b7c823a4d9970d54c2492", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "11f55b731184a56504e80c00e61fb302d646490b5d9b7c823a4d9970d54c2492", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11f55b731184a56504e80c00e61fb302d646490b5d9b7c823a4d9970d54c2492", kill_on_drop: false }` [INFO] [stdout] 11f55b731184a56504e80c00e61fb302d646490b5d9b7c823a4d9970d54c2492 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 26bc124beb052ad6935bac83f12ab60fdc2cd68be138187ed4721c2cadaad6d7 [INFO] running `Command { std: "docker" "start" "-a" "26bc124beb052ad6935bac83f12ab60fdc2cd68be138187ed4721c2cadaad6d7", kill_on_drop: false }` [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking regex v1.10.5 [INFO] [stderr] Checking lambda v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ast::ast::AST` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use ast::ast::AST; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BetaReduction` and `EvalOrder` [INFO] [stdout] --> src/main.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | use beta::{BetaReduction, EvalOrder}; [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ast::ast::AST` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use ast::ast::AST; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BetaReduction` and `EvalOrder` [INFO] [stdout] --> src/main.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | use beta::{BetaReduction, EvalOrder}; [INFO] [stdout] | ^^^^^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `memo` [INFO] [stdout] --> src/beta/reduction.rs:145:26 [INFO] [stdout] | [INFO] [stdout] 145 | (result, memo) => result, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_memo` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `memo` [INFO] [stdout] --> src/beta/reduction.rs:145:26 [INFO] [stdout] | [INFO] [stdout] 145 | (result, memo) => result, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_memo` [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] --> src/alpha/conversion.rs:8:23 [INFO] [stdout] | [INFO] [stdout] 8 | SubstitutionError(String), [INFO] [stdout] | ----------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `AlphaConvError` has derived impls for the traits `Clone` and `Debug`, but these are 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] 8 - SubstitutionError(String), [INFO] [stdout] 8 + SubstitutionError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/alpha/conversion.rs:9:20 [INFO] [stdout] | [INFO] [stdout] 9 | StructureError(String), [INFO] [stdout] | -------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `AlphaConvError` has derived impls for the traits `Clone` and `Debug`, but these are 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] 9 - StructureError(String), [INFO] [stdout] 9 + StructureError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/alpha/conversion.rs:10:20 [INFO] [stdout] | [INFO] [stdout] 10 | VariablesError(String), [INFO] [stdout] | -------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `AlphaConvError` has derived impls for the traits `Clone` and `Debug`, but these are 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] 10 - VariablesError(String), [INFO] [stdout] 10 + VariablesError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Applicative` and `Lazy` are never constructed [INFO] [stdout] --> src/beta/reduction.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub enum EvalOrder { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] 8 | Normal, [INFO] [stdout] 9 | Applicative, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 10 | Lazy, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/substitution/substitution.rs:6:18 [INFO] [stdout] | [INFO] [stdout] 6 | NotAVariable(String), [INFO] [stdout] | ------------ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `SubstitutionError` has derived impls for the traits `Clone` and `Debug`, but these are 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] 6 - NotAVariable(String), [INFO] [stdout] 6 + NotAVariable(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/substitution/substitution.rs:7:21 [INFO] [stdout] | [INFO] [stdout] 7 | BindingConflict(String), [INFO] [stdout] | --------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `SubstitutionError` has derived impls for the traits `Clone` and `Debug`, but these are 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] 7 - BindingConflict(String), [INFO] [stdout] 7 + BindingConflict(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/alpha/conversion.rs:8:23 [INFO] [stdout] | [INFO] [stdout] 8 | SubstitutionError(String), [INFO] [stdout] | ----------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `AlphaConvError` has derived impls for the traits `Clone` and `Debug`, but these are 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] 8 - SubstitutionError(String), [INFO] [stdout] 8 + SubstitutionError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/alpha/conversion.rs:9:20 [INFO] [stdout] | [INFO] [stdout] 9 | StructureError(String), [INFO] [stdout] | -------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `AlphaConvError` has derived impls for the traits `Clone` and `Debug`, but these are 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] 9 - StructureError(String), [INFO] [stdout] 9 + StructureError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/alpha/conversion.rs:10:20 [INFO] [stdout] | [INFO] [stdout] 10 | VariablesError(String), [INFO] [stdout] | -------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `AlphaConvError` has derived impls for the traits `Clone` and `Debug`, but these are 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] 10 - VariablesError(String), [INFO] [stdout] 10 + VariablesError(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Applicative` and `Lazy` are never constructed [INFO] [stdout] --> src/beta/reduction.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub enum EvalOrder { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] 8 | Normal, [INFO] [stdout] 9 | Applicative, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 10 | Lazy, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/substitution/substitution.rs:6:18 [INFO] [stdout] | [INFO] [stdout] 6 | NotAVariable(String), [INFO] [stdout] | ------------ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `SubstitutionError` has derived impls for the traits `Clone` and `Debug`, but these are 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] 6 - NotAVariable(String), [INFO] [stdout] 6 + NotAVariable(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/substitution/substitution.rs:7:21 [INFO] [stdout] | [INFO] [stdout] 7 | BindingConflict(String), [INFO] [stdout] | --------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `SubstitutionError` has derived impls for the traits `Clone` and `Debug`, but these are 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] 7 - BindingConflict(String), [INFO] [stdout] 7 + BindingConflict(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.94s [INFO] running `Command { std: "docker" "inspect" "26bc124beb052ad6935bac83f12ab60fdc2cd68be138187ed4721c2cadaad6d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26bc124beb052ad6935bac83f12ab60fdc2cd68be138187ed4721c2cadaad6d7", kill_on_drop: false }` [INFO] [stdout] 26bc124beb052ad6935bac83f12ab60fdc2cd68be138187ed4721c2cadaad6d7