Dec 19 13:21:45.608 INFO checking luser/tracetree against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 13:21:45.608 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/luser/tracetree:/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 13:21:46.010 INFO [stdout] 5a7af91ef830bbe62b2946be823d1f29c683d4b426e7fccea41c2e79a059a65b
Dec 19 13:21:46.012 INFO running `"docker" "start" "-a" "5a7af91ef830bbe62b2946be823d1f29c683d4b426e7fccea41c2e79a059a65b"`
Dec 19 13:21:47.624 INFO [stderr]    Compiling getopts v0.2.14
Dec 19 13:21:47.636 INFO [stderr]     Checking indextree v1.0.1
Dec 19 13:21:47.636 INFO [stderr]     Checking nix v0.8.1
Dec 19 13:21:47.645 INFO [stderr]    Compiling tempdir v0.3.5
Dec 19 13:21:47.652 INFO [stderr]     Checking textwrap v0.6.0
Dec 19 13:21:47.653 INFO [stderr]     Checking backtrace-sys v0.1.11
Dec 19 13:21:47.653 INFO [stderr]     Checking nix v0.7.0
Dec 19 13:21:47.653 INFO [stderr]     Checking chrono v0.3.1
Dec 19 13:21:48.604 INFO [stderr]     Checking backtrace v0.3.2
Dec 19 13:21:49.212 INFO [stderr]     Checking clap v2.25.0
Dec 19 13:21:49.239 INFO [stderr]     Checking env_logger v0.3.5
Dec 19 13:21:51.116 INFO [stderr]     Checking error-chain v0.10.0
Dec 19 13:21:51.715 INFO [stderr]    Compiling pulldown-cmark v0.0.3
Dec 19 13:21:57.964 INFO [stderr]    Compiling skeptic v0.5.0
Dec 19 13:22:00.640 INFO [stderr]    Compiling spawn-ptrace v0.1.0
Dec 19 13:22:05.684 INFO [stderr]     Checking tracetree v0.1.6-pre (/opt/crater/workdir)
Dec 19 13:22:06.272 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 19 13:22:06.272 INFO [stderr]  --> src/errors.rs:3:1
Dec 19 13:22:06.272 INFO [stderr]   |
Dec 19 13:22:06.272 INFO [stderr] 3 | / error_chain! {
Dec 19 13:22:06.272 INFO [stderr] 4 | |     foreign_links {
Dec 19 13:22:06.272 INFO [stderr] 5 | |         Io(io::Error);
Dec 19 13:22:06.272 INFO [stderr] 6 | |     }
Dec 19 13:22:06.272 INFO [stderr] 7 | | }
Dec 19 13:22:06.272 INFO [stderr]   | |_^
Dec 19 13:22:06.272 INFO [stderr]   |
Dec 19 13:22:06.272 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 19 13:22:06.272 INFO [stderr]   = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 13:22:06.272 INFO [stderr] 
Dec 19 13:22:06.348 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 19 13:22:06.348 INFO [stderr]  --> src/errors.rs:3:1
Dec 19 13:22:06.348 INFO [stderr]   |
Dec 19 13:22:06.348 INFO [stderr] 3 | / error_chain! {
Dec 19 13:22:06.348 INFO [stderr] 4 | |     foreign_links {
Dec 19 13:22:06.348 INFO [stderr] 5 | |         Io(io::Error);
Dec 19 13:22:06.348 INFO [stderr] 6 | |     }
Dec 19 13:22:06.348 INFO [stderr] 7 | | }
Dec 19 13:22:06.348 INFO [stderr]   | |_^
Dec 19 13:22:06.348 INFO [stderr]   |
Dec 19 13:22:06.348 INFO [stderr]   = note: #[warn(deprecated)] on by default
Dec 19 13:22:06.348 INFO [stderr]   = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 13:22:06.348 INFO [stderr] 
Dec 19 13:22:07.028 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 19 13:22:07.028 INFO [stderr]   --> src/main.rs:63:1
Dec 19 13:22:07.028 INFO [stderr]    |
Dec 19 13:22:07.028 INFO [stderr] 63 | / arg_enum!{
Dec 19 13:22:07.028 INFO [stderr] 64 | |     #[derive(Debug)]
Dec 19 13:22:07.028 INFO [stderr] 65 | |     #[allow(non_camel_case_types)]
Dec 19 13:22:07.028 INFO [stderr] 66 | |     pub enum OutputFormat {
Dec 19 13:22:07.028 INFO [stderr] ...  |
Dec 19 13:22:07.028 INFO [stderr] 69 | |     }
Dec 19 13:22:07.028 INFO [stderr] 70 | | }
Dec 19 13:22:07.028 INFO [stderr]    | |_^
Dec 19 13:22:07.028 INFO [stderr]    |
Dec 19 13:22:07.028 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 13:22:07.028 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 13:22:07.028 INFO [stderr] 
Dec 19 13:22:07.176 INFO [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
Dec 19 13:22:07.176 INFO [stderr]   --> src/main.rs:63:1
Dec 19 13:22:07.176 INFO [stderr]    |
Dec 19 13:22:07.176 INFO [stderr] 63 | / arg_enum!{
Dec 19 13:22:07.176 INFO [stderr] 64 | |     #[derive(Debug)]
Dec 19 13:22:07.176 INFO [stderr] 65 | |     #[allow(non_camel_case_types)]
Dec 19 13:22:07.177 INFO [stderr] 66 | |     pub enum OutputFormat {
Dec 19 13:22:07.177 INFO [stderr] ...  |
Dec 19 13:22:07.177 INFO [stderr] 69 | |     }
Dec 19 13:22:07.177 INFO [stderr] 70 | | }
Dec 19 13:22:07.177 INFO [stderr]    | |_^
Dec 19 13:22:07.177 INFO [stderr]    |
Dec 19 13:22:07.177 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 13:22:07.177 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 13:22:07.177 INFO [stderr] 
Dec 19 13:22:07.448 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.97s
Dec 19 13:22:08.313 INFO running `"docker" "inspect" "5a7af91ef830bbe62b2946be823d1f29c683d4b426e7fccea41c2e79a059a65b"`
Dec 19 13:22:08.515 INFO running `"docker" "rm" "-f" "5a7af91ef830bbe62b2946be823d1f29c683d4b426e7fccea41c2e79a059a65b"`
Dec 19 13:22:08.604 INFO [stdout] 5a7af91ef830bbe62b2946be823d1f29c683d4b426e7fccea41c2e79a059a65b