Dec 19 13:16:25.541 INFO checking maeln/Oneliner against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 13:16:25.541 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/maeln/Oneliner:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 13:16:25.885 INFO [stdout] 442847d7a3e80e6b6acc61eb23190ccd701f55d4c4bd629da1c0f840bf92c623
Dec 19 13:16:25.887 INFO running `"docker" "start" "-a" "442847d7a3e80e6b6acc61eb23190ccd701f55d4c4bd629da1c0f840bf92c623"`
Dec 19 13:16:26.607 INFO [stderr]     Checking csv-core v0.1.4
Dec 19 13:16:26.607 INFO [stderr]     Checking crossbeam-channel v0.3.2
Dec 19 13:16:27.393 INFO [stderr]     Checking csv v1.0.2
Dec 19 13:16:28.121 INFO [stderr]     Checking crossbeam v0.5.0
Dec 19 13:16:29.560 INFO [stderr]     Checking oneliner v0.1.0 (/opt/crater/workdir)
Dec 19 13:16:30.692 INFO [stderr] warning: variant is never constructed: `SerializeError`
Dec 19 13:16:30.692 INFO [stderr]   --> src/serialize/errors.rs:21:5
Dec 19 13:16:30.692 INFO [stderr]    |
Dec 19 13:16:30.692 INFO [stderr] 21 |     SerializeError,
Dec 19 13:16:30.692 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 19 13:16:30.692 INFO [stderr]    |
Dec 19 13:16:30.692 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 13:16:30.692 INFO [stderr] 
Dec 19 13:16:30.692 INFO [stderr] warning: variant is never constructed: `UnserializeError`
Dec 19 13:16:30.692 INFO [stderr]   --> src/serialize/errors.rs:22:5
Dec 19 13:16:30.692 INFO [stderr]    |
Dec 19 13:16:30.692 INFO [stderr] 22 |     UnserializeError,
Dec 19 13:16:30.692 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 19 13:16:30.692 INFO [stderr] 
Dec 19 13:16:30.692 INFO [stderr] warning: method is never used: `new_serialize`
Dec 19 13:16:30.692 INFO [stderr]   --> src/serialize/errors.rs:36:5
Dec 19 13:16:30.692 INFO [stderr]    |
Dec 19 13:16:30.692 INFO [stderr] 36 |     pub fn new_serialize() -> Error {
Dec 19 13:16:30.692 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:16:30.692 INFO [stderr] 
Dec 19 13:16:30.692 INFO [stderr] warning: method is never used: `new_unserialize`
Dec 19 13:16:30.692 INFO [stderr]   --> src/serialize/errors.rs:40:5
Dec 19 13:16:30.692 INFO [stderr]    |
Dec 19 13:16:30.693 INFO [stderr] 40 |     pub fn new_unserialize() -> Error {
Dec 19 13:16:30.693 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:16:30.693 INFO [stderr] 
Dec 19 13:16:30.693 INFO [stderr] warning: method is never used: `into_cause`
Dec 19 13:16:30.693 INFO [stderr]   --> src/serialize/errors.rs:60:5
Dec 19 13:16:30.693 INFO [stderr]    |
Dec 19 13:16:30.693 INFO [stderr] 60 |     pub fn into_cause(self) -> Option<Box<StdError + Sync + Send>> {
Dec 19 13:16:30.693 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:16:30.693 INFO [stderr] 
Dec 19 13:16:30.816 INFO [stderr] warning: variant is never constructed: `SerializeError`
Dec 19 13:16:30.816 INFO [stderr]   --> src/serialize/errors.rs:21:5
Dec 19 13:16:30.816 INFO [stderr]    |
Dec 19 13:16:30.816 INFO [stderr] 21 |     SerializeError,
Dec 19 13:16:30.816 INFO [stderr]    |     ^^^^^^^^^^^^^^
Dec 19 13:16:30.816 INFO [stderr]    |
Dec 19 13:16:30.816 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 13:16:30.816 INFO [stderr] 
Dec 19 13:16:30.816 INFO [stderr] warning: variant is never constructed: `UnserializeError`
Dec 19 13:16:30.816 INFO [stderr]   --> src/serialize/errors.rs:22:5
Dec 19 13:16:30.816 INFO [stderr]    |
Dec 19 13:16:30.816 INFO [stderr] 22 |     UnserializeError,
Dec 19 13:16:30.816 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 19 13:16:30.816 INFO [stderr] 
Dec 19 13:16:30.816 INFO [stderr] warning: method is never used: `new_serialize`
Dec 19 13:16:30.816 INFO [stderr]   --> src/serialize/errors.rs:36:5
Dec 19 13:16:30.816 INFO [stderr]    |
Dec 19 13:16:30.816 INFO [stderr] 36 |     pub fn new_serialize() -> Error {
Dec 19 13:16:30.817 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:16:30.817 INFO [stderr] 
Dec 19 13:16:30.817 INFO [stderr] warning: method is never used: `new_unserialize`
Dec 19 13:16:30.817 INFO [stderr]   --> src/serialize/errors.rs:40:5
Dec 19 13:16:30.817 INFO [stderr]    |
Dec 19 13:16:30.817 INFO [stderr] 40 |     pub fn new_unserialize() -> Error {
Dec 19 13:16:30.817 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:16:30.817 INFO [stderr] 
Dec 19 13:16:30.817 INFO [stderr] warning: method is never used: `into_cause`
Dec 19 13:16:30.817 INFO [stderr]   --> src/serialize/errors.rs:60:5
Dec 19 13:16:30.817 INFO [stderr]    |
Dec 19 13:16:30.817 INFO [stderr] 60 |     pub fn into_cause(self) -> Option<Box<StdError + Sync + Send>> {
Dec 19 13:16:30.817 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 13:16:30.817 INFO [stderr] 
Dec 19 13:16:30.858 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.39s
Dec 19 13:16:31.564 INFO running `"docker" "inspect" "442847d7a3e80e6b6acc61eb23190ccd701f55d4c4bd629da1c0f840bf92c623"`
Dec 19 13:16:31.702 INFO running `"docker" "rm" "-f" "442847d7a3e80e6b6acc61eb23190ccd701f55d4c4bd629da1c0f840bf92c623"`
Dec 19 13:16:31.785 INFO [stdout] 442847d7a3e80e6b6acc61eb23190ccd701f55d4c4bd629da1c0f840bf92c623