Dec 12 15:10:34.729 INFO checking fastmod-0.2.1 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 15:10:34.729 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 12 15:10:35.220 INFO [stdout] a1cc3a06ba5976ba21d09136bd8f3931bd8dc1bed330d803c9e14041a03b3346
Dec 12 15:10:35.226 INFO running `"docker" "start" "-a" "a1cc3a06ba5976ba21d09136bd8f3931bd8dc1bed330d803c9e14041a03b3346"`
Dec 12 15:10:37.003 INFO [stderr] usermod: no changes
Dec 12 15:10:37.276 INFO [stderr]     Checking crossbeam-epoch v0.6.1
Dec 12 15:10:37.284 INFO [stderr]    Compiling cargo_metadata v0.6.3
Dec 12 15:10:37.284 INFO [stderr]     Checking parking_lot v0.6.4
Dec 12 15:10:40.434 INFO [stderr]     Checking crossbeam-channel v0.2.6
Dec 12 15:10:44.634 INFO [stderr]    Compiling skeptic v0.13.4
Dec 12 15:10:45.869 INFO [stderr]     Checking ignore v0.4.4
Dec 12 15:10:49.672 INFO [stderr]     Checking fastmod v0.2.1 (/source)
Dec 12 15:10:53.164 INFO [stderr]    Compiling assert_cli v0.5.4
Dec 12 15:10:56.130 INFO [stderr] warning: use of deprecated item 'failure::Error::cause': please use 'as_fail()' method instead
Dec 12 15:10:56.130 INFO [stderr]    --> src/main.rs:217:49
Dec 12 15:10:56.130 INFO [stderr]     |
Dec 12 15:10:56.130 INFO [stderr] 217 |         writeln!(fmt, "Warning: {}", self.inner.cause())?;
Dec 12 15:10:56.130 INFO [stderr]     |                                                 ^^^^^
Dec 12 15:10:56.130 INFO [stderr]     |
Dec 12 15:10:56.130 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 12 15:10:56.130 INFO [stderr] 
Dec 12 15:10:56.131 INFO [stderr] warning: use of deprecated item 'failure::Error::causes': please use the 'iter_chain()' method instead
Dec 12 15:10:56.131 INFO [stderr]    --> src/main.rs:219:29
Dec 12 15:10:56.131 INFO [stderr]     |
Dec 12 15:10:56.131 INFO [stderr] 219 |         for e in self.inner.causes().skip(1) {
Dec 12 15:10:56.131 INFO [stderr]     |                             ^^^^^^
Dec 12 15:10:56.131 INFO [stderr] 
Dec 12 15:11:02.908 INFO [stderr] warning: use of deprecated item 'failure::Error::cause': please use 'as_fail()' method instead
Dec 12 15:11:02.910 INFO [stderr]    --> src/main.rs:217:49
Dec 12 15:11:02.910 INFO [stderr]     |
Dec 12 15:11:02.910 INFO [stderr] 217 |         writeln!(fmt, "Warning: {}", self.inner.cause())?;
Dec 12 15:11:02.910 INFO [stderr]     |                                                 ^^^^^
Dec 12 15:11:02.910 INFO [stderr]     |
Dec 12 15:11:02.910 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 12 15:11:02.910 INFO [stderr] 
Dec 12 15:11:02.916 INFO [stderr] warning: use of deprecated item 'failure::Error::causes': please use the 'iter_chain()' method instead
Dec 12 15:11:02.916 INFO [stderr]    --> src/main.rs:219:29
Dec 12 15:11:02.916 INFO [stderr]     |
Dec 12 15:11:02.916 INFO [stderr] 219 |         for e in self.inner.causes().skip(1) {
Dec 12 15:11:02.916 INFO [stderr]     |                             ^^^^^^
Dec 12 15:11:02.916 INFO [stderr] 
Dec 12 15:11:03.188 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.16s
Dec 12 15:11:03.191 INFO [stderr] su: No module specific data is present
Dec 12 15:11:03.684 INFO running `"docker" "inspect" "a1cc3a06ba5976ba21d09136bd8f3931bd8dc1bed330d803c9e14041a03b3346"`
Dec 12 15:11:03.924 INFO running `"docker" "rm" "-f" "a1cc3a06ba5976ba21d09136bd8f3931bd8dc1bed330d803c9e14041a03b3346"`
Dec 12 15:11:04.272 INFO [stdout] a1cc3a06ba5976ba21d09136bd8f3931bd8dc1bed330d803c9e14041a03b3346