[INFO] updating cached repository https://github.com/hayeb/loz
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/hayeb/loz
[INFO] [stderr]  * [new branch]      feature/inferencing -> feature/inferencing
[INFO] [stderr]    96ae281..755d0ca  master              -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 755d0ca7a0324046e79d33a6b6a2dbb1bcfa889b
[INFO] checking hayeb/loz against master#212aa3ea28d91a97d1e1261709c0b6e6790788e6 for pr-69340
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhayeb%2Floz" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hayeb/loz on toolchain 212aa3ea28d91a97d1e1261709c0b6e6790788e6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/hayeb/loz
[INFO] finished tweaking git repo https://github.com/hayeb/loz
[INFO] tweaked toml for git repo https://github.com/hayeb/loz written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/hayeb/loz already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ae400d99ba8e31fa0ec26b3f1d6f9ed862ce4809908272554579d6a7160c404f
[INFO] running `"docker" "start" "-a" "ae400d99ba8e31fa0ec26b3f1d6f9ed862ce4809908272554579d6a7160c404f"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking loz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `ADTConstructor`
[INFO] [stderr]  --> src/inferencer.rs:7:21
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::parser::{ADTConstructor, ADTDefinition, AST, CustomType, Expression, FunctionDeclaration, Location, MatchExpression, RecordDefinition, Type, TypeScheme, TypeVar, FunctionRule};
[INFO] [stderr]   |                     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `subs`
[INFO] [stderr]    --> src/inferencer.rs:313:13
[INFO] [stderr]     |
[INFO] [stderr] 313 |         let subs = self.infer_expression(&(&self.ast).main, &fresh)?;
[INFO] [stderr]     |             ^^^^ help: consider prefixing with an underscore: `_subs`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/inferencer.rs:339:14
[INFO] [stderr]     |
[INFO] [stderr] 339 |         for (i, body) in (&declaration.function_bodies).into_iter().enumerate() {
[INFO] [stderr]     |              ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `loc`
[INFO] [stderr]    --> src/inferencer.rs:865:30
[INFO] [stderr]     |
[INFO] [stderr] 865 |             Expression::Case(loc, expression, rules) => panic!("case not implemented"),
[INFO] [stderr]     |                              ^^^ help: consider prefixing with an underscore: `_loc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expression`
[INFO] [stderr]    --> src/inferencer.rs:865:35
[INFO] [stderr]     |
[INFO] [stderr] 865 |             Expression::Case(loc, expression, rules) => panic!("case not implemented"),
[INFO] [stderr]     |                                   ^^^^^^^^^^ help: consider prefixing with an underscore: `_expression`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rules`
[INFO] [stderr]    --> src/inferencer.rs:865:47
[INFO] [stderr]     |
[INFO] [stderr] 865 |             Expression::Case(loc, expression, rules) => panic!("case not implemented"),
[INFO] [stderr]     |                                               ^^^^^ help: consider prefixing with an underscore: `_rules`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `subs`
[INFO] [stderr]    --> src/inferencer.rs:313:13
[INFO] [stderr]     |
[INFO] [stderr] 313 |         let subs = self.infer_expression(&(&self.ast).main, &fresh)?;
[INFO] [stderr]     |             ^^^^ help: consider prefixing with an underscore: `_subs`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/inferencer.rs:339:14
[INFO] [stderr]     |
[INFO] [stderr] 339 |         for (i, body) in (&declaration.function_bodies).into_iter().enumerate() {
[INFO] [stderr]     |              ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `loc`
[INFO] [stderr]    --> src/inferencer.rs:865:30
[INFO] [stderr]     |
[INFO] [stderr] 865 |             Expression::Case(loc, expression, rules) => panic!("case not implemented"),
[INFO] [stderr]     |                              ^^^ help: consider prefixing with an underscore: `_loc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expression`
[INFO] [stderr]    --> src/inferencer.rs:865:35
[INFO] [stderr]     |
[INFO] [stderr] 865 |             Expression::Case(loc, expression, rules) => panic!("case not implemented"),
[INFO] [stderr]     |                                   ^^^^^^^^^^ help: consider prefixing with an underscore: `_expression`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rules`
[INFO] [stderr]    --> src/inferencer.rs:865:47
[INFO] [stderr]     |
[INFO] [stderr] 865 |             Expression::Case(loc, expression, rules) => panic!("case not implemented"),
[INFO] [stderr]     |                                               ^^^^^ help: consider prefixing with an underscore: `_rules`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.47s
[INFO] running `"docker" "inspect" "ae400d99ba8e31fa0ec26b3f1d6f9ed862ce4809908272554579d6a7160c404f"`
[INFO] running `"docker" "rm" "-f" "ae400d99ba8e31fa0ec26b3f1d6f9ed862ce4809908272554579d6a7160c404f"`
[INFO] [stdout] ae400d99ba8e31fa0ec26b3f1d6f9ed862ce4809908272554579d6a7160c404f