Dec 19 15:21:56.333 INFO checking jbalintbiro/l3 against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 15:21:56.333 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/jbalintbiro/l3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 15:21:56.516 INFO [stdout] 2e9851d974d159ab32b09c7afc73be4928ff2bbb82531c7fd05a85ee0ea17b3f
Dec 19 15:21:56.518 INFO running `"docker" "start" "-a" "2e9851d974d159ab32b09c7afc73be4928ff2bbb82531c7fd05a85ee0ea17b3f"`
Dec 19 15:21:57.171 INFO [stderr]    Compiling pest v1.0.0-beta.17
Dec 19 15:21:57.171 INFO [stderr]     Checking gc v0.3.2
Dec 19 15:21:57.171 INFO [stderr]    Compiling gc_derive v0.3.2
Dec 19 15:21:58.828 INFO [stderr]    Compiling pest_derive v1.0.0-beta.17
Dec 19 15:22:04.631 INFO [stderr]     Checking l3 v0.1.0-dev (/opt/crater/workdir)
Dec 19 15:22:05.712 INFO [stderr] warning: unused variable: `ev`
Dec 19 15:22:05.712 INFO [stderr]   --> src/value.rs:92:23
Dec 19 15:22:05.712 INFO [stderr]    |
Dec 19 15:22:05.712 INFO [stderr] 92 |             Value::Fn(ref fun, ev) => write!(f, "(fn {})", fun),
Dec 19 15:22:05.712 INFO [stderr]    |                                ^^ help: consider using `_ev` instead
Dec 19 15:22:05.712 INFO [stderr]    |
Dec 19 15:22:05.712 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 15:22:05.712 INFO [stderr] 
Dec 19 15:22:05.834 INFO [stderr] warning: unused variable: `ev`
Dec 19 15:22:05.834 INFO [stderr]   --> src/value.rs:92:23
Dec 19 15:22:05.834 INFO [stderr]    |
Dec 19 15:22:05.834 INFO [stderr] 92 |             Value::Fn(ref fun, ev) => write!(f, "(fn {})", fun),
Dec 19 15:22:05.834 INFO [stderr]    |                                ^^ help: consider using `_ev` instead
Dec 19 15:22:05.834 INFO [stderr]    |
Dec 19 15:22:05.834 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 15:22:05.834 INFO [stderr] 
Dec 19 15:22:05.916 INFO [stderr] warning: variable does not need to be mutable
Dec 19 15:22:05.916 INFO [stderr]   --> src/bindings.rs:27:8
Dec 19 15:22:05.916 INFO [stderr]    |
Dec 19 15:22:05.916 INFO [stderr] 27 |             let mut bind_map = &mut self.bindings;
Dec 19 15:22:05.916 INFO [stderr]    |                 ----^^^^^^^^
Dec 19 15:22:05.916 INFO [stderr]    |                 |
Dec 19 15:22:05.916 INFO [stderr]    |                 help: remove this `mut`
Dec 19 15:22:05.916 INFO [stderr]    |
Dec 19 15:22:05.916 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 15:22:05.916 INFO [stderr] 
Dec 19 15:22:05.916 INFO [stderr] warning: variable does not need to be mutable
Dec 19 15:22:05.916 INFO [stderr]   --> src/bindings.rs:39:9
Dec 19 15:22:05.916 INFO [stderr]    |
Dec 19 15:22:05.916 INFO [stderr] 39 |                 let mut bind_map = &mut self.bindings;
Dec 19 15:22:05.916 INFO [stderr]    |                     ----^^^^^^^^
Dec 19 15:22:05.916 INFO [stderr]    |                     |
Dec 19 15:22:05.916 INFO [stderr]    |                     help: remove this `mut`
Dec 19 15:22:05.916 INFO [stderr] 
Dec 19 15:22:05.967 INFO [stderr] warning: function is never used: `ident`
Dec 19 15:22:05.967 INFO [stderr]   --> src/internals.rs:16:1
Dec 19 15:22:05.967 INFO [stderr]    |
Dec 19 15:22:05.967 INFO [stderr] 16 | / pub fn ident<T>(i: T) -> LCell<Value>
Dec 19 15:22:05.967 INFO [stderr] 17 | |     where T: ToString{
Dec 19 15:22:05.967 INFO [stderr] 18 | |     lcell(Value::Ident(i.to_string()))
Dec 19 15:22:05.967 INFO [stderr] 19 | | }
Dec 19 15:22:05.967 INFO [stderr]    | |_^
Dec 19 15:22:05.967 INFO [stderr]    |
Dec 19 15:22:05.972 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 15:22:05.973 INFO [stderr] 
Dec 19 15:22:05.973 INFO [stderr] warning: function is never used: `read_list`
Dec 19 15:22:05.973 INFO [stderr]   --> src/read.rs:17:1
Dec 19 15:22:05.973 INFO [stderr]    |
Dec 19 15:22:05.973 INFO [stderr] 17 | pub fn read_list(inp: &str) -> Value {
Dec 19 15:22:05.973 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:22:05.973 INFO [stderr] 
Dec 19 15:22:05.973 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 19 15:22:05.973 INFO [stderr]  --> src/main.rs:2:12
Dec 19 15:22:05.973 INFO [stderr]   |
Dec 19 15:22:05.973 INFO [stderr] 2 | #![feature(conservative_impl_trait)]
Dec 19 15:22:05.973 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:22:05.973 INFO [stderr]   |
Dec 19 15:22:05.973 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 15:22:05.973 INFO [stderr] 
Dec 19 15:22:06.092 INFO [stderr] warning: variable does not need to be mutable
Dec 19 15:22:06.092 INFO [stderr]   --> src/bindings.rs:27:8
Dec 19 15:22:06.092 INFO [stderr]    |
Dec 19 15:22:06.092 INFO [stderr] 27 |             let mut bind_map = &mut self.bindings;
Dec 19 15:22:06.092 INFO [stderr]    |                 ----^^^^^^^^
Dec 19 15:22:06.092 INFO [stderr]    |                 |
Dec 19 15:22:06.092 INFO [stderr]    |                 help: remove this `mut`
Dec 19 15:22:06.092 INFO [stderr]    |
Dec 19 15:22:06.092 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 15:22:06.092 INFO [stderr] 
Dec 19 15:22:06.108 INFO [stderr] warning: variable does not need to be mutable
Dec 19 15:22:06.108 INFO [stderr]   --> src/bindings.rs:39:9
Dec 19 15:22:06.108 INFO [stderr]    |
Dec 19 15:22:06.108 INFO [stderr] 39 |                 let mut bind_map = &mut self.bindings;
Dec 19 15:22:06.108 INFO [stderr]    |                     ----^^^^^^^^
Dec 19 15:22:06.108 INFO [stderr]    |                     |
Dec 19 15:22:06.108 INFO [stderr]    |                     help: remove this `mut`
Dec 19 15:22:06.108 INFO [stderr] 
Dec 19 15:22:06.143 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 19 15:22:06.143 INFO [stderr]  --> src/main.rs:2:12
Dec 19 15:22:06.143 INFO [stderr]   |
Dec 19 15:22:06.143 INFO [stderr] 2 | #![feature(conservative_impl_trait)]
Dec 19 15:22:06.143 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:22:06.143 INFO [stderr]   |
Dec 19 15:22:06.143 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 19 15:22:06.143 INFO [stderr] 
Dec 19 15:22:06.185 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.07s
Dec 19 15:22:06.845 INFO running `"docker" "inspect" "2e9851d974d159ab32b09c7afc73be4928ff2bbb82531c7fd05a85ee0ea17b3f"`
Dec 19 15:22:06.994 INFO running `"docker" "rm" "-f" "2e9851d974d159ab32b09c7afc73be4928ff2bbb82531c7fd05a85ee0ea17b3f"`
Dec 19 15:22:07.122 INFO [stdout] 2e9851d974d159ab32b09c7afc73be4928ff2bbb82531c7fd05a85ee0ea17b3f