Dec 17 22:30:47.492 INFO checking jbalintbiro/l3 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 22:30:47.492 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 22:30:47.746 INFO [stdout] 25941bc1accdab439d040d051ad28065f19102fbe985b1afb26fbbb9425af6e6
Dec 17 22:30:47.750 INFO running `"docker" "start" "-a" "25941bc1accdab439d040d051ad28065f19102fbe985b1afb26fbbb9425af6e6"`
Dec 17 22:30:48.431 INFO [stderr]    Compiling pest v1.0.0-beta.17
Dec 17 22:30:48.433 INFO [stderr]     Checking gc v0.3.2
Dec 17 22:30:48.433 INFO [stderr]    Compiling syn v0.10.8
Dec 17 22:30:48.433 INFO [stderr]     Checking clap v2.29.0
Dec 17 22:30:48.433 INFO [stderr]    Compiling gc_derive v0.3.2
Dec 17 22:30:52.775 INFO [stderr]    Compiling pest_derive v1.0.0-beta.17
Dec 17 22:30:59.632 INFO [stderr]     Checking l3 v0.1.0-dev (/opt/crater/workdir)
Dec 17 22:31:00.412 INFO [stderr] warning: unused variable: `ev`
Dec 17 22:31:00.412 INFO [stderr]   --> src/value.rs:92:23
Dec 17 22:31:00.412 INFO [stderr]    |
Dec 17 22:31:00.412 INFO [stderr] 92 |             Value::Fn(ref fun, ev) => write!(f, "(fn {})", fun),
Dec 17 22:31:00.412 INFO [stderr]    |                                ^^ help: consider using `_ev` instead
Dec 17 22:31:00.412 INFO [stderr]    |
Dec 17 22:31:00.412 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 22:31:00.412 INFO [stderr] 
Dec 17 22:31:00.456 INFO [stderr] warning: unused variable: `ev`
Dec 17 22:31:00.456 INFO [stderr]   --> src/value.rs:92:23
Dec 17 22:31:00.456 INFO [stderr]    |
Dec 17 22:31:00.456 INFO [stderr] 92 |             Value::Fn(ref fun, ev) => write!(f, "(fn {})", fun),
Dec 17 22:31:00.456 INFO [stderr]    |                                ^^ help: consider using `_ev` instead
Dec 17 22:31:00.456 INFO [stderr]    |
Dec 17 22:31:00.456 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 22:31:00.456 INFO [stderr] 
Dec 17 22:31:00.712 INFO [stderr] warning: variable does not need to be mutable
Dec 17 22:31:00.712 INFO [stderr]   --> src/bindings.rs:27:8
Dec 17 22:31:00.712 INFO [stderr]    |
Dec 17 22:31:00.712 INFO [stderr] 27 |             let mut bind_map = &mut self.bindings;
Dec 17 22:31:00.712 INFO [stderr]    |                 ----^^^^^^^^
Dec 17 22:31:00.712 INFO [stderr]    |                 |
Dec 17 22:31:00.712 INFO [stderr]    |                 help: remove this `mut`
Dec 17 22:31:00.712 INFO [stderr]    |
Dec 17 22:31:00.712 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 22:31:00.712 INFO [stderr] 
Dec 17 22:31:00.712 INFO [stderr] warning: variable does not need to be mutable
Dec 17 22:31:00.712 INFO [stderr]   --> src/bindings.rs:39:9
Dec 17 22:31:00.712 INFO [stderr]    |
Dec 17 22:31:00.712 INFO [stderr] 39 |                 let mut bind_map = &mut self.bindings;
Dec 17 22:31:00.712 INFO [stderr]    |                     ----^^^^^^^^
Dec 17 22:31:00.712 INFO [stderr]    |                     |
Dec 17 22:31:00.712 INFO [stderr]    |                     help: remove this `mut`
Dec 17 22:31:00.712 INFO [stderr] 
Dec 17 22:31:00.752 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 17 22:31:00.752 INFO [stderr]  --> src/main.rs:2:12
Dec 17 22:31:00.752 INFO [stderr]   |
Dec 17 22:31:00.752 INFO [stderr] 2 | #![feature(conservative_impl_trait)]
Dec 17 22:31:00.752 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:31:00.752 INFO [stderr]   |
Dec 17 22:31:00.752 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 17 22:31:00.752 INFO [stderr] 
Dec 17 22:31:00.752 INFO [stderr] warning: variable does not need to be mutable
Dec 17 22:31:00.752 INFO [stderr]   --> src/bindings.rs:27:8
Dec 17 22:31:00.752 INFO [stderr]    |
Dec 17 22:31:00.752 INFO [stderr] 27 |             let mut bind_map = &mut self.bindings;
Dec 17 22:31:00.752 INFO [stderr]    |                 ----^^^^^^^^
Dec 17 22:31:00.752 INFO [stderr]    |                 |
Dec 17 22:31:00.752 INFO [stderr]    |                 help: remove this `mut`
Dec 17 22:31:00.752 INFO [stderr]    |
Dec 17 22:31:00.752 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 22:31:00.753 INFO [stderr] 
Dec 17 22:31:00.753 INFO [stderr] warning: variable does not need to be mutable
Dec 17 22:31:00.753 INFO [stderr]   --> src/bindings.rs:39:9
Dec 17 22:31:00.753 INFO [stderr]    |
Dec 17 22:31:00.753 INFO [stderr] 39 |                 let mut bind_map = &mut self.bindings;
Dec 17 22:31:00.753 INFO [stderr]    |                     ----^^^^^^^^
Dec 17 22:31:00.753 INFO [stderr]    |                     |
Dec 17 22:31:00.753 INFO [stderr]    |                     help: remove this `mut`
Dec 17 22:31:00.753 INFO [stderr] 
Dec 17 22:31:00.904 INFO [stderr] warning: function is never used: `ident`
Dec 17 22:31:00.904 INFO [stderr]   --> src/internals.rs:16:1
Dec 17 22:31:00.904 INFO [stderr]    |
Dec 17 22:31:00.904 INFO [stderr] 16 | / pub fn ident<T>(i: T) -> LCell<Value>
Dec 17 22:31:00.904 INFO [stderr] 17 | |     where T: ToString{
Dec 17 22:31:00.904 INFO [stderr] 18 | |     lcell(Value::Ident(i.to_string()))
Dec 17 22:31:00.904 INFO [stderr] 19 | | }
Dec 17 22:31:00.904 INFO [stderr]    | |_^
Dec 17 22:31:00.904 INFO [stderr]    |
Dec 17 22:31:00.904 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 22:31:00.904 INFO [stderr] 
Dec 17 22:31:00.904 INFO [stderr] warning: function is never used: `read_list`
Dec 17 22:31:00.904 INFO [stderr]   --> src/read.rs:17:1
Dec 17 22:31:00.904 INFO [stderr]    |
Dec 17 22:31:00.904 INFO [stderr] 17 | pub fn read_list(inp: &str) -> Value {
Dec 17 22:31:00.904 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:31:00.904 INFO [stderr] 
Dec 17 22:31:00.904 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 17 22:31:00.904 INFO [stderr]  --> src/main.rs:2:12
Dec 17 22:31:00.904 INFO [stderr]   |
Dec 17 22:31:00.905 INFO [stderr] 2 | #![feature(conservative_impl_trait)]
Dec 17 22:31:00.905 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 22:31:00.905 INFO [stderr]   |
Dec 17 22:31:00.905 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 17 22:31:00.905 INFO [stderr] 
Dec 17 22:31:00.976 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.61s
Dec 17 22:31:01.740 INFO running `"docker" "inspect" "25941bc1accdab439d040d051ad28065f19102fbe985b1afb26fbbb9425af6e6"`
Dec 17 22:31:02.154 INFO running `"docker" "rm" "-f" "25941bc1accdab439d040d051ad28065f19102fbe985b1afb26fbbb9425af6e6"`
Dec 17 22:31:02.557 INFO [stdout] 25941bc1accdab439d040d051ad28065f19102fbe985b1afb26fbbb9425af6e6