Dec 11 19:16:00.077 INFO checking ebkalderon/tq against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 19:16:00.077 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 19:16:00.569 INFO [stdout] 15da467f75093888d0f40f76c6f93af3baf8624712b1e71a1fc83bd027ce31de
Dec 11 19:16:00.570 INFO running `"docker" "start" "-a" "15da467f75093888d0f40f76c6f93af3baf8624712b1e71a1fc83bd027ce31de"`
Dec 11 19:16:01.134 INFO [stderr] usermod: no changes
Dec 11 19:16:01.235 INFO [stderr]     Checking structopt v0.2.10
Dec 11 19:16:01.235 INFO [stderr]     Checking env_logger v0.5.12
Dec 11 19:16:02.335 INFO [stderr]     Checking tq v0.1.0 (/source)
Dec 11 19:16:04.240 INFO [stderr] warning: unused `#[macro_use]` import
Dec 11 19:16:04.240 INFO [stderr]   --> src/main.rs:11:1
Dec 11 19:16:04.240 INFO [stderr]    |
Dec 11 19:16:04.240 INFO [stderr] 11 | #[macro_use]
Dec 11 19:16:04.240 INFO [stderr]    | ^^^^^^^^^^^^
Dec 11 19:16:04.240 INFO [stderr]    |
Dec 11 19:16:04.240 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 19:16:04.240 INFO [stderr] 
Dec 11 19:16:04.240 INFO [stderr] warning: unused import: `failure::ResultExt`
Dec 11 19:16:04.240 INFO [stderr]   --> src/main.rs:19:5
Dec 11 19:16:04.240 INFO [stderr]    |
Dec 11 19:16:04.240 INFO [stderr] 19 | use failure::ResultExt;
Dec 11 19:16:04.240 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 11 19:16:04.240 INFO [stderr] 
Dec 11 19:16:04.240 INFO [stderr] warning: unused import: `std::iter::FromIterator`
Dec 11 19:16:04.240 INFO [stderr]  --> src/opcode.rs:1:5
Dec 11 19:16:04.240 INFO [stderr]   |
Dec 11 19:16:04.240 INFO [stderr] 1 | use std::iter::FromIterator;
Dec 11 19:16:04.240 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 19:16:04.240 INFO [stderr] 
Dec 11 19:16:04.240 INFO [stderr] warning: unused import: `super::Error`
Dec 11 19:16:04.240 INFO [stderr]  --> src/opcode.rs:5:5
Dec 11 19:16:04.240 INFO [stderr]   |
Dec 11 19:16:04.240 INFO [stderr] 5 | use super::Error;
Dec 11 19:16:04.240 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 11 19:16:04.240 INFO [stderr] 
Dec 11 19:16:04.240 INFO [stderr] warning: unused `#[macro_use]` import
Dec 11 19:16:04.240 INFO [stderr]   --> src/main.rs:11:1
Dec 11 19:16:04.240 INFO [stderr]    |
Dec 11 19:16:04.240 INFO [stderr] 11 | #[macro_use]
Dec 11 19:16:04.240 INFO [stderr]    | ^^^^^^^^^^^^
Dec 11 19:16:04.240 INFO [stderr]    |
Dec 11 19:16:04.240 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 19:16:04.240 INFO [stderr] 
Dec 11 19:16:04.240 INFO [stderr] warning: unused import: `failure::ResultExt`
Dec 11 19:16:04.240 INFO [stderr]   --> src/main.rs:19:5
Dec 11 19:16:04.240 INFO [stderr]    |
Dec 11 19:16:04.240 INFO [stderr] 19 | use failure::ResultExt;
Dec 11 19:16:04.240 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 11 19:16:04.240 INFO [stderr] 
Dec 11 19:16:04.240 INFO [stderr] warning: unused import: `std::iter::FromIterator`
Dec 11 19:16:04.240 INFO [stderr]  --> src/opcode.rs:1:5
Dec 11 19:16:04.240 INFO [stderr]   |
Dec 11 19:16:04.240 INFO [stderr] 1 | use std::iter::FromIterator;
Dec 11 19:16:04.240 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 19:16:04.240 INFO [stderr] 
Dec 11 19:16:04.241 INFO [stderr] warning: unused import: `super::Error`
Dec 11 19:16:04.241 INFO [stderr]  --> src/opcode.rs:5:5
Dec 11 19:16:04.241 INFO [stderr]   |
Dec 11 19:16:04.241 INFO [stderr] 5 | use super::Error;
Dec 11 19:16:04.241 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 11 19:16:04.241 INFO [stderr] 
Dec 11 19:16:04.785 INFO [stderr] warning: enum is never used: `SearchStep`
Dec 11 19:16:04.785 INFO [stderr]  --> src/filter.rs:6:1
Dec 11 19:16:04.785 INFO [stderr]   |
Dec 11 19:16:04.785 INFO [stderr] 6 | pub enum SearchStep<'a> {
Dec 11 19:16:04.785 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 19:16:04.785 INFO [stderr]   |
Dec 11 19:16:04.785 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 19:16:04.785 INFO [stderr] 
Dec 11 19:16:04.785 INFO [stderr] warning: struct is never constructed: `Filter`
Dec 11 19:16:04.785 INFO [stderr]   --> src/filter.rs:13:1
Dec 11 19:16:04.785 INFO [stderr]    |
Dec 11 19:16:04.785 INFO [stderr] 13 | pub struct Filter<'s, 't> {
Dec 11 19:16:04.785 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 19:16:04.785 INFO [stderr] 
Dec 11 19:16:04.785 INFO [stderr] warning: method is never used: `new`
Dec 11 19:16:04.785 INFO [stderr]   --> src/filter.rs:29:5
Dec 11 19:16:04.785 INFO [stderr]    |
Dec 11 19:16:04.785 INFO [stderr] 29 | /     pub fn new<V>(steps: &'s [SearchStep], values: &'t mut V) -> Self
Dec 11 19:16:04.785 INFO [stderr] 30 | |     where
Dec 11 19:16:04.785 INFO [stderr] 31 | |         V: Iterator<Item = Option<Value>>,
Dec 11 19:16:04.785 INFO [stderr] 32 | |     {
Dec 11 19:16:04.785 INFO [stderr] ...  |
Dec 11 19:16:04.785 INFO [stderr] 37 | |         }
Dec 11 19:16:04.785 INFO [stderr] 38 | |     }
Dec 11 19:16:04.785 INFO [stderr]    | |_____^
Dec 11 19:16:04.785 INFO [stderr] 
Dec 11 19:16:04.886 INFO [stderr] warning: enum is never used: `SearchStep`
Dec 11 19:16:04.886 INFO [stderr]  --> src/filter.rs:6:1
Dec 11 19:16:04.886 INFO [stderr]   |
Dec 11 19:16:04.886 INFO [stderr] 6 | pub enum SearchStep<'a> {
Dec 11 19:16:04.886 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 19:16:04.886 INFO [stderr]   |
Dec 11 19:16:04.886 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 19:16:04.886 INFO [stderr] 
Dec 11 19:16:04.886 INFO [stderr] warning: struct is never constructed: `Filter`
Dec 11 19:16:04.886 INFO [stderr]   --> src/filter.rs:13:1
Dec 11 19:16:04.886 INFO [stderr]    |
Dec 11 19:16:04.886 INFO [stderr] 13 | pub struct Filter<'s, 't> {
Dec 11 19:16:04.886 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 19:16:04.886 INFO [stderr] 
Dec 11 19:16:04.887 INFO [stderr] warning: method is never used: `new`
Dec 11 19:16:04.887 INFO [stderr]   --> src/filter.rs:29:5
Dec 11 19:16:04.887 INFO [stderr]    |
Dec 11 19:16:04.887 INFO [stderr] 29 | /     pub fn new<V>(steps: &'s [SearchStep], values: &'t mut V) -> Self
Dec 11 19:16:04.887 INFO [stderr] 30 | |     where
Dec 11 19:16:04.887 INFO [stderr] 31 | |         V: Iterator<Item = Option<Value>>,
Dec 11 19:16:04.887 INFO [stderr] 32 | |     {
Dec 11 19:16:04.887 INFO [stderr] ...  |
Dec 11 19:16:04.887 INFO [stderr] 37 | |         }
Dec 11 19:16:04.887 INFO [stderr] 38 | |     }
Dec 11 19:16:04.887 INFO [stderr]    | |_____^
Dec 11 19:16:04.887 INFO [stderr] 
Dec 11 19:16:04.915 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.77s
Dec 11 19:16:04.933 INFO [stderr] su: No module specific data is present
Dec 11 19:16:05.322 INFO running `"docker" "inspect" "15da467f75093888d0f40f76c6f93af3baf8624712b1e71a1fc83bd027ce31de"`
Dec 11 19:16:05.505 INFO running `"docker" "rm" "-f" "15da467f75093888d0f40f76c6f93af3baf8624712b1e71a1fc83bd027ce31de"`
Dec 11 19:16:05.644 INFO [stdout] 15da467f75093888d0f40f76c6f93af3baf8624712b1e71a1fc83bd027ce31de