Dec 11 16:34:00.020 INFO checking jbalintbiro/l3 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 16:34:00.028 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 16:34:00.340 INFO [stdout] b8b9896b11ebfa350b03c5db5487186f8a62f7785303a8b8155953cfecdb3833
Dec 11 16:34:00.348 INFO running `"docker" "start" "-a" "b8b9896b11ebfa350b03c5db5487186f8a62f7785303a8b8155953cfecdb3833"`
Dec 11 16:34:01.348 INFO [stderr] usermod: no changes
Dec 11 16:34:01.456 INFO [stderr]    Compiling pest v1.0.0-beta.17
Dec 11 16:34:01.460 INFO [stderr]     Checking gc v0.3.2
Dec 11 16:34:01.473 INFO [stderr]    Compiling gc_derive v0.3.2
Dec 11 16:34:03.073 INFO [stderr]    Compiling pest_derive v1.0.0-beta.17
Dec 11 16:34:09.652 INFO [stderr]     Checking l3 v0.1.0-dev (/source)
Dec 11 16:34:10.632 INFO [stderr] warning: unused variable: `ev`
Dec 11 16:34:10.632 INFO [stderr]   --> src/value.rs:92:23
Dec 11 16:34:10.632 INFO [stderr]    |
Dec 11 16:34:10.632 INFO [stderr] 92 |             Value::Fn(ref fun, ev) => write!(f, "(fn {})", fun),
Dec 11 16:34:10.632 INFO [stderr]    |                                ^^ help: consider using `_ev` instead
Dec 11 16:34:10.632 INFO [stderr]    |
Dec 11 16:34:10.632 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 16:34:10.632 INFO [stderr] 
Dec 11 16:34:10.718 INFO [stderr] warning: unused variable: `ev`
Dec 11 16:34:10.718 INFO [stderr]   --> src/value.rs:92:23
Dec 11 16:34:10.718 INFO [stderr]    |
Dec 11 16:34:10.718 INFO [stderr] 92 |             Value::Fn(ref fun, ev) => write!(f, "(fn {})", fun),
Dec 11 16:34:10.718 INFO [stderr]    |                                ^^ help: consider using `_ev` instead
Dec 11 16:34:10.718 INFO [stderr]    |
Dec 11 16:34:10.718 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 16:34:10.718 INFO [stderr] 
Dec 11 16:34:10.812 INFO [stderr] warning: variable does not need to be mutable
Dec 11 16:34:10.812 INFO [stderr]   --> src/bindings.rs:27:8
Dec 11 16:34:10.812 INFO [stderr]    |
Dec 11 16:34:10.812 INFO [stderr] 27 |             let mut bind_map = &mut self.bindings;
Dec 11 16:34:10.812 INFO [stderr]    |                 ----^^^^^^^^
Dec 11 16:34:10.812 INFO [stderr]    |                 |
Dec 11 16:34:10.812 INFO [stderr]    |                 help: remove this `mut`
Dec 11 16:34:10.812 INFO [stderr]    |
Dec 11 16:34:10.812 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 16:34:10.812 INFO [stderr] 
Dec 11 16:34:10.812 INFO [stderr] warning: variable does not need to be mutable
Dec 11 16:34:10.812 INFO [stderr]   --> src/bindings.rs:39:9
Dec 11 16:34:10.812 INFO [stderr]    |
Dec 11 16:34:10.812 INFO [stderr] 39 |                 let mut bind_map = &mut self.bindings;
Dec 11 16:34:10.812 INFO [stderr]    |                     ----^^^^^^^^
Dec 11 16:34:10.812 INFO [stderr]    |                     |
Dec 11 16:34:10.812 INFO [stderr]    |                     help: remove this `mut`
Dec 11 16:34:10.812 INFO [stderr] 
Dec 11 16:34:10.860 INFO [stderr] warning: function is never used: `ident`
Dec 11 16:34:10.860 INFO [stderr]   --> src/internals.rs:16:1
Dec 11 16:34:10.860 INFO [stderr]    |
Dec 11 16:34:10.860 INFO [stderr] 16 | / pub fn ident<T>(i: T) -> LCell<Value>
Dec 11 16:34:10.860 INFO [stderr] 17 | |     where T: ToString{
Dec 11 16:34:10.860 INFO [stderr] 18 | |     lcell(Value::Ident(i.to_string()))
Dec 11 16:34:10.860 INFO [stderr] 19 | | }
Dec 11 16:34:10.860 INFO [stderr]    | |_^
Dec 11 16:34:10.860 INFO [stderr]    |
Dec 11 16:34:10.860 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 16:34:10.860 INFO [stderr] 
Dec 11 16:34:10.860 INFO [stderr] warning: function is never used: `read_list`
Dec 11 16:34:10.860 INFO [stderr]   --> src/read.rs:17:1
Dec 11 16:34:10.860 INFO [stderr]    |
Dec 11 16:34:10.860 INFO [stderr] 17 | pub fn read_list(inp: &str) -> Value {
Dec 11 16:34:10.860 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:34:10.860 INFO [stderr] 
Dec 11 16:34:10.860 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 11 16:34:10.860 INFO [stderr]  --> src/main.rs:2:12
Dec 11 16:34:10.860 INFO [stderr]   |
Dec 11 16:34:10.860 INFO [stderr] 2 | #![feature(conservative_impl_trait)]
Dec 11 16:34:10.860 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:34:10.860 INFO [stderr]   |
Dec 11 16:34:10.860 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 11 16:34:10.860 INFO [stderr] 
Dec 11 16:34:10.933 INFO [stderr] warning: variable does not need to be mutable
Dec 11 16:34:10.933 INFO [stderr]   --> src/bindings.rs:27:8
Dec 11 16:34:10.933 INFO [stderr]    |
Dec 11 16:34:10.933 INFO [stderr] 27 |             let mut bind_map = &mut self.bindings;
Dec 11 16:34:10.933 INFO [stderr]    |                 ----^^^^^^^^
Dec 11 16:34:10.933 INFO [stderr]    |                 |
Dec 11 16:34:10.933 INFO [stderr]    |                 help: remove this `mut`
Dec 11 16:34:10.933 INFO [stderr]    |
Dec 11 16:34:10.933 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 16:34:10.933 INFO [stderr] 
Dec 11 16:34:10.933 INFO [stderr] warning: variable does not need to be mutable
Dec 11 16:34:10.933 INFO [stderr]   --> src/bindings.rs:39:9
Dec 11 16:34:10.933 INFO [stderr]    |
Dec 11 16:34:10.933 INFO [stderr] 39 |                 let mut bind_map = &mut self.bindings;
Dec 11 16:34:10.933 INFO [stderr]    |                     ----^^^^^^^^
Dec 11 16:34:10.933 INFO [stderr]    |                     |
Dec 11 16:34:10.933 INFO [stderr]    |                     help: remove this `mut`
Dec 11 16:34:10.933 INFO [stderr] 
Dec 11 16:34:10.980 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 11 16:34:10.980 INFO [stderr]  --> src/main.rs:2:12
Dec 11 16:34:10.980 INFO [stderr]   |
Dec 11 16:34:10.980 INFO [stderr] 2 | #![feature(conservative_impl_trait)]
Dec 11 16:34:10.980 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 16:34:10.980 INFO [stderr]   |
Dec 11 16:34:10.980 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 11 16:34:10.980 INFO [stderr] 
Dec 11 16:34:11.024 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.64s
Dec 11 16:34:11.024 INFO [stderr] su: No module specific data is present
Dec 11 16:34:11.290 INFO running `"docker" "inspect" "b8b9896b11ebfa350b03c5db5487186f8a62f7785303a8b8155953cfecdb3833"`
Dec 11 16:34:11.479 INFO running `"docker" "rm" "-f" "b8b9896b11ebfa350b03c5db5487186f8a62f7785303a8b8155953cfecdb3833"`
Dec 11 16:34:11.732 INFO [stdout] b8b9896b11ebfa350b03c5db5487186f8a62f7785303a8b8155953cfecdb3833