[INFO] updating cached repository kotokz/tc_tool
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kotokz/tc_tool
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kotokz/tc_tool" "work/ex/beta-1.38-1/sources/1.37.0/gh/kotokz/tc_tool"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kotokz/tc_tool'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kotokz/tc_tool" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kotokz/tc_tool"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kotokz/tc_tool'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 176bf5523aaf91cb1455e3c96c07f21391346764
[INFO] sha for GitHub repo kotokz/tc_tool: 176bf5523aaf91cb1455e3c96c07f21391346764
[INFO] validating manifest of kotokz/tc_tool on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kotokz/tc_tool on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kotokz/tc_tool
[INFO] finished frobbing kotokz/tc_tool
[INFO] frobbed toml for kotokz/tc_tool written to work/ex/beta-1.38-1/sources/1.37.0/gh/kotokz/tc_tool/Cargo.toml
[INFO] started frobbing kotokz/tc_tool
[INFO] finished frobbing kotokz/tc_tool
[INFO] frobbed toml for kotokz/tc_tool written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kotokz/tc_tool/Cargo.toml
[INFO] crate kotokz/tc_tool already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing kotokz/tc_tool against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kotokz/tc_tool:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 2f1b40cdff83100f90d26a3a1f59c137d0dfdaf6b00220a052d3cef268161ed4
[INFO] running `"docker" "start" "-a" "2f1b40cdff83100f90d26a3a1f59c137d0dfdaf6b00220a052d3cef268161ed4"`
[INFO] [stderr]    Compiling unicode-segmentation v1.1.0
[INFO] [stderr]    Compiling term_size v0.2.3
[INFO] [stderr]    Compiling aho-corasick v0.6.2
[INFO] [stderr]    Compiling regex v0.2.1
[INFO] [stderr]    Compiling clap v2.20.5
[INFO] [stderr]    Compiling tc_tool v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(slice_patterns, test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/logparser.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 |     result: Box<ResultTrait + Send + 'tc>,
[INFO] [stderr]   |                 ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ResultTrait + Send + 'tc`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:28:32
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `tc_tool`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2f1b40cdff83100f90d26a3a1f59c137d0dfdaf6b00220a052d3cef268161ed4"`
[INFO] running `"docker" "rm" "-f" "2f1b40cdff83100f90d26a3a1f59c137d0dfdaf6b00220a052d3cef268161ed4"`
[INFO] [stdout] 2f1b40cdff83100f90d26a3a1f59c137d0dfdaf6b00220a052d3cef268161ed4