[INFO] updating cached repository https://github.com/losvedir/typechex
[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/losvedir/typechex
[INFO] [stderr]    65bd9cc..9fd5a28  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9fd5a2827453aef5bfd1063daad4e9c2e24d99d8
[INFO] checking losvedir/typechex against master#73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de for pr-68325
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flosvedir%2Ftypechex" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/losvedir/typechex on toolchain 73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/losvedir/typechex
[INFO] finished tweaking git repo https://github.com/losvedir/typechex
[INFO] tweaked toml for git repo https://github.com/losvedir/typechex written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/losvedir/typechex already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ad2831b83fc2c7ed5eb2003fc05c4769468ad18113c4ffe4f4a09fa0d7fea0bf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "ad2831b83fc2c7ed5eb2003fc05c4769468ad18113c4ffe4f4a09fa0d7fea0bf"`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling lalrpop-util v0.17.2
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stderr]    Compiling typechex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/typechex-6c7bf3e6f9627c63/out/parser/elixir.rs:4757:5
[INFO] [stderr]      |
[INFO] [stderr] 4757 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/typechex-6c7bf3e6f9627c63/out/parser/elixir.rs:4765:5
[INFO] [stderr]      |
[INFO] [stderr] 4765 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/typechex-6c7bf3e6f9627c63/out/parser/elixir.rs:4773:5
[INFO] [stderr]      |
[INFO] [stderr] 4773 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/typechex-6c7bf3e6f9627c63/out/parser/elixir.rs:4781:5
[INFO] [stderr]      |
[INFO] [stderr] 4781 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/typechex-6c7bf3e6f9627c63/out/parser/elixir.rs:4789:5
[INFO] [stderr]      |
[INFO] [stderr] 4789 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/typechex-6c7bf3e6f9627c63/out/parser/elixir.rs:4797:5
[INFO] [stderr]      |
[INFO] [stderr] 4797 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/typechex-6c7bf3e6f9627c63/out/parser/elixir.rs:4854:5
[INFO] [stderr]      |
[INFO] [stderr] 4854 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/typechex-6c7bf3e6f9627c63/out/parser/elixir.rs:5096:5
[INFO] [stderr]      |
[INFO] [stderr] 5096 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/typechex-6c7bf3e6f9627c63/out/parser/elixir.rs:5139:5
[INFO] [stderr]      |
[INFO] [stderr] 5139 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/typechex-6c7bf3e6f9627c63/out/parser/elixir.rs:4757:5
[INFO] [stderr]      |
[INFO] [stderr] 4757 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/typechex-6c7bf3e6f9627c63/out/parser/elixir.rs:4765:5
[INFO] [stderr]      |
[INFO] [stderr] 4765 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/typechex-6c7bf3e6f9627c63/out/parser/elixir.rs:4773:5
[INFO] [stderr]      |
[INFO] [stderr] 4773 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/typechex-6c7bf3e6f9627c63/out/parser/elixir.rs:4781:5
[INFO] [stderr]      |
[INFO] [stderr] 4781 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/typechex-6c7bf3e6f9627c63/out/parser/elixir.rs:4789:5
[INFO] [stderr]      |
[INFO] [stderr] 4789 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/typechex-6c7bf3e6f9627c63/out/parser/elixir.rs:4797:5
[INFO] [stderr]      |
[INFO] [stderr] 4797 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/typechex-6c7bf3e6f9627c63/out/parser/elixir.rs:4854:5
[INFO] [stderr]      |
[INFO] [stderr] 4854 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/typechex-6c7bf3e6f9627c63/out/parser/elixir.rs:5096:5
[INFO] [stderr]      |
[INFO] [stderr] 5096 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/typechex-6c7bf3e6f9627c63/out/parser/elixir.rs:5139:5
[INFO] [stderr]      |
[INFO] [stderr] 5139 |     (__0)
[INFO] [stderr]      |     ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/typechex-6c7bf3e6f9627c63/out/parser/elixir.rs:1057:9
[INFO] [stderr]      |
[INFO] [stderr] 1057 |         pub fn new() -> ExprParser {
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 02s
[INFO] running `"docker" "inspect" "ad2831b83fc2c7ed5eb2003fc05c4769468ad18113c4ffe4f4a09fa0d7fea0bf"`
[INFO] running `"docker" "rm" "-f" "ad2831b83fc2c7ed5eb2003fc05c4769468ad18113c4ffe4f4a09fa0d7fea0bf"`
[INFO] [stdout] ad2831b83fc2c7ed5eb2003fc05c4769468ad18113c4ffe4f4a09fa0d7fea0bf