Dec 18 00:58:28.510 INFO checking ebkalderon/tq against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 00:58:28.511 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/ebkalderon/tq:/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 18 00:58:28.661 INFO [stdout] 82e5a9a3bfcd6ba0eb8190b663e23f3f8010527a302e4a8115ec0ea78e10c51c
Dec 18 00:58:28.665 INFO running `"docker" "start" "-a" "82e5a9a3bfcd6ba0eb8190b663e23f3f8010527a302e4a8115ec0ea78e10c51c"`
Dec 18 00:58:29.348 INFO [stderr]    Compiling syn v0.14.5
Dec 18 00:58:29.348 INFO [stderr]     Checking env_logger v0.5.12
Dec 18 00:58:34.753 INFO [stderr]    Compiling structopt-derive v0.2.10
Dec 18 00:58:36.948 INFO [stderr]     Checking structopt v0.2.10
Dec 18 00:58:37.219 INFO [stderr]     Checking tq v0.1.0 (/opt/crater/workdir)
Dec 18 00:58:37.897 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 00:58:37.897 INFO [stderr]   --> src/main.rs:11:1
Dec 18 00:58:37.897 INFO [stderr]    |
Dec 18 00:58:37.897 INFO [stderr] 11 | #[macro_use]
Dec 18 00:58:37.897 INFO [stderr]    | ^^^^^^^^^^^^
Dec 18 00:58:37.897 INFO [stderr]    |
Dec 18 00:58:37.897 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 00:58:37.897 INFO [stderr] 
Dec 18 00:58:37.897 INFO [stderr] warning: unused import: `failure::ResultExt`
Dec 18 00:58:37.898 INFO [stderr]   --> src/main.rs:19:5
Dec 18 00:58:37.898 INFO [stderr]    |
Dec 18 00:58:37.898 INFO [stderr] 19 | use failure::ResultExt;
Dec 18 00:58:37.898 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 18 00:58:37.898 INFO [stderr] 
Dec 18 00:58:37.899 INFO [stderr] warning: unused import: `std::iter::FromIterator`
Dec 18 00:58:37.899 INFO [stderr]  --> src/opcode.rs:1:5
Dec 18 00:58:37.899 INFO [stderr]   |
Dec 18 00:58:37.899 INFO [stderr] 1 | use std::iter::FromIterator;
Dec 18 00:58:37.899 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:58:37.899 INFO [stderr] 
Dec 18 00:58:37.900 INFO [stderr] warning: unused import: `super::Error`
Dec 18 00:58:37.900 INFO [stderr]  --> src/opcode.rs:5:5
Dec 18 00:58:37.900 INFO [stderr]   |
Dec 18 00:58:37.900 INFO [stderr] 5 | use super::Error;
Dec 18 00:58:37.900 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 18 00:58:37.900 INFO [stderr] 
Dec 18 00:58:37.909 INFO [stderr] warning: unused `#[macro_use]` import
Dec 18 00:58:37.909 INFO [stderr]   --> src/main.rs:11:1
Dec 18 00:58:37.909 INFO [stderr]    |
Dec 18 00:58:37.909 INFO [stderr] 11 | #[macro_use]
Dec 18 00:58:37.909 INFO [stderr]    | ^^^^^^^^^^^^
Dec 18 00:58:37.909 INFO [stderr]    |
Dec 18 00:58:37.909 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 00:58:37.909 INFO [stderr] 
Dec 18 00:58:37.909 INFO [stderr] warning: unused import: `failure::ResultExt`
Dec 18 00:58:37.909 INFO [stderr]   --> src/main.rs:19:5
Dec 18 00:58:37.910 INFO [stderr]    |
Dec 18 00:58:37.910 INFO [stderr] 19 | use failure::ResultExt;
Dec 18 00:58:37.910 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 18 00:58:37.910 INFO [stderr] 
Dec 18 00:58:37.910 INFO [stderr] warning: unused import: `std::iter::FromIterator`
Dec 18 00:58:37.910 INFO [stderr]  --> src/opcode.rs:1:5
Dec 18 00:58:37.916 INFO [stderr]   |
Dec 18 00:58:37.916 INFO [stderr] 1 | use std::iter::FromIterator;
Dec 18 00:58:37.916 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:58:37.916 INFO [stderr] 
Dec 18 00:58:37.916 INFO [stderr] warning: unused import: `super::Error`
Dec 18 00:58:37.916 INFO [stderr]  --> src/opcode.rs:5:5
Dec 18 00:58:37.916 INFO [stderr]   |
Dec 18 00:58:37.916 INFO [stderr] 5 | use super::Error;
Dec 18 00:58:37.916 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 18 00:58:37.916 INFO [stderr] 
Dec 18 00:58:38.364 INFO [stderr] warning: enum is never used: `SearchStep`
Dec 18 00:58:38.364 INFO [stderr]  --> src/filter.rs:6:1
Dec 18 00:58:38.364 INFO [stderr]   |
Dec 18 00:58:38.364 INFO [stderr] 6 | pub enum SearchStep<'a> {
Dec 18 00:58:38.364 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:58:38.364 INFO [stderr]   |
Dec 18 00:58:38.364 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 00:58:38.364 INFO [stderr] 
Dec 18 00:58:38.364 INFO [stderr] warning: struct is never constructed: `Filter`
Dec 18 00:58:38.364 INFO [stderr]   --> src/filter.rs:13:1
Dec 18 00:58:38.364 INFO [stderr]    |
Dec 18 00:58:38.364 INFO [stderr] 13 | pub struct Filter<'s, 't> {
Dec 18 00:58:38.364 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:58:38.364 INFO [stderr] 
Dec 18 00:58:38.364 INFO [stderr] warning: method is never used: `new`
Dec 18 00:58:38.364 INFO [stderr]   --> src/filter.rs:29:5
Dec 18 00:58:38.364 INFO [stderr]    |
Dec 18 00:58:38.364 INFO [stderr] 29 | /     pub fn new<V>(steps: &'s [SearchStep], values: &'t mut V) -> Self
Dec 18 00:58:38.364 INFO [stderr] 30 | |     where
Dec 18 00:58:38.364 INFO [stderr] 31 | |         V: Iterator<Item = Option<Value>>,
Dec 18 00:58:38.364 INFO [stderr] 32 | |     {
Dec 18 00:58:38.364 INFO [stderr] ...  |
Dec 18 00:58:38.364 INFO [stderr] 37 | |         }
Dec 18 00:58:38.364 INFO [stderr] 38 | |     }
Dec 18 00:58:38.364 INFO [stderr]    | |_____^
Dec 18 00:58:38.364 INFO [stderr] 
Dec 18 00:58:38.380 INFO [stderr] warning: enum is never used: `SearchStep`
Dec 18 00:58:38.380 INFO [stderr]  --> src/filter.rs:6:1
Dec 18 00:58:38.380 INFO [stderr]   |
Dec 18 00:58:38.380 INFO [stderr] 6 | pub enum SearchStep<'a> {
Dec 18 00:58:38.380 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:58:38.380 INFO [stderr]   |
Dec 18 00:58:38.380 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 00:58:38.380 INFO [stderr] 
Dec 18 00:58:38.380 INFO [stderr] warning: struct is never constructed: `Filter`
Dec 18 00:58:38.380 INFO [stderr]   --> src/filter.rs:13:1
Dec 18 00:58:38.380 INFO [stderr]    |
Dec 18 00:58:38.380 INFO [stderr] 13 | pub struct Filter<'s, 't> {
Dec 18 00:58:38.380 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:58:38.380 INFO [stderr] 
Dec 18 00:58:38.380 INFO [stderr] warning: method is never used: `new`
Dec 18 00:58:38.380 INFO [stderr]   --> src/filter.rs:29:5
Dec 18 00:58:38.380 INFO [stderr]    |
Dec 18 00:58:38.380 INFO [stderr] 29 | /     pub fn new<V>(steps: &'s [SearchStep], values: &'t mut V) -> Self
Dec 18 00:58:38.380 INFO [stderr] 30 | |     where
Dec 18 00:58:38.380 INFO [stderr] 31 | |         V: Iterator<Item = Option<Value>>,
Dec 18 00:58:38.380 INFO [stderr] 32 | |     {
Dec 18 00:58:38.380 INFO [stderr] ...  |
Dec 18 00:58:38.380 INFO [stderr] 37 | |         }
Dec 18 00:58:38.380 INFO [stderr] 38 | |     }
Dec 18 00:58:38.380 INFO [stderr]    | |_____^
Dec 18 00:58:38.380 INFO [stderr] 
Dec 18 00:58:38.402 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.14s
Dec 18 00:58:38.759 INFO running `"docker" "inspect" "82e5a9a3bfcd6ba0eb8190b663e23f3f8010527a302e4a8115ec0ea78e10c51c"`
Dec 18 00:58:38.894 INFO running `"docker" "rm" "-f" "82e5a9a3bfcd6ba0eb8190b663e23f3f8010527a302e4a8115ec0ea78e10c51c"`
Dec 18 00:58:39.002 INFO [stdout] 82e5a9a3bfcd6ba0eb8190b663e23f3f8010527a302e4a8115ec0ea78e10c51c