[INFO] updating cached repository sirkibsirkib/middleman [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/sirkibsirkib/middleman [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/sirkibsirkib/middleman" "work/ex/beta-1.37-6/sources/1.36.0/gh/sirkibsirkib/middleman"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/sirkibsirkib/middleman'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/sirkibsirkib/middleman" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sirkibsirkib/middleman"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sirkibsirkib/middleman'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f17e5646e8605f2218cf9df89caaf4c8f4a6b207 [INFO] sha for GitHub repo sirkibsirkib/middleman: f17e5646e8605f2218cf9df89caaf4c8f4a6b207 [INFO] validating manifest of sirkibsirkib/middleman on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of sirkibsirkib/middleman on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing sirkibsirkib/middleman [INFO] finished frobbing sirkibsirkib/middleman [INFO] frobbed toml for sirkibsirkib/middleman written to work/ex/beta-1.37-6/sources/1.36.0/gh/sirkibsirkib/middleman/Cargo.toml [INFO] started frobbing sirkibsirkib/middleman [INFO] finished frobbing sirkibsirkib/middleman [INFO] frobbed toml for sirkibsirkib/middleman written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sirkibsirkib/middleman/Cargo.toml [INFO] crate sirkibsirkib/middleman already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/sirkibsirkib/middleman/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing sirkibsirkib/middleman against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sirkibsirkib/middleman:/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" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] ff9d76aad62b348f2d96268b16f9f8fde9ee38aa1661a31e41ee8f4d1aa3e5a3 [INFO] running `"docker" "start" "-a" "ff9d76aad62b348f2d96268b16f9f8fde9ee38aa1661a31e41ee8f4d1aa3e5a3"` [INFO] [stderr] Compiling bincode v1.1.4 [INFO] [stderr] Compiling mio v0.6.19 [INFO] [stderr] Compiling middleman v0.3.1 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/structs.rs:313:18 [INFO] [stderr] | [INFO] [stderr] 313 | let mut vec = self.buf.drain(0..buf_end) [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.40s [INFO] running `"docker" "inspect" "ff9d76aad62b348f2d96268b16f9f8fde9ee38aa1661a31e41ee8f4d1aa3e5a3"` [INFO] running `"docker" "rm" "-f" "ff9d76aad62b348f2d96268b16f9f8fde9ee38aa1661a31e41ee8f4d1aa3e5a3"` [INFO] [stdout] ff9d76aad62b348f2d96268b16f9f8fde9ee38aa1661a31e41ee8f4d1aa3e5a3 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sirkibsirkib/middleman:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] 3e9a5c15150021087e0bd336c8a22ac12268117c007625c9209356a229acf03a [INFO] running `"docker" "start" "-a" "3e9a5c15150021087e0bd336c8a22ac12268117c007625c9209356a229acf03a"` [INFO] [stderr] Compiling middleman v0.3.1 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/structs.rs:313:18 [INFO] [stderr] | [INFO] [stderr] 313 | let mut vec = self.buf.drain(0..buf_end) [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tests.rs:532:41 [INFO] [stderr] | [INFO] [stderr] 532 | let mut stream = streams.get_mut(&token).unwrap(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` in tuple element 1 that must be used [INFO] [stderr] --> src/tests.rs:226:28 [INFO] [stderr] | [INFO] [stderr] 226 | TOK_A => { a.recv_all_map(&mut work); }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` in tuple element 1 that must be used [INFO] [stderr] --> src/tests.rs:227:28 [INFO] [stderr] | [INFO] [stderr] 227 | TOK_B => { b.recv_all_map(&mut work); }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` in tuple element 1 that must be used [INFO] [stderr] --> src/tests.rs:344:13 [INFO] [stderr] | [INFO] [stderr] 344 | / a.recv_all_map::<_, Complex>(|_mm, msg| { [INFO] [stderr] 345 | | assert_eq!(&msg, &struct_form); [INFO] [stderr] 346 | | to_go -= 1; [INFO] [stderr] 347 | | }); [INFO] [stderr] | |_______________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.98s [INFO] running `"docker" "inspect" "3e9a5c15150021087e0bd336c8a22ac12268117c007625c9209356a229acf03a"` [INFO] running `"docker" "rm" "-f" "3e9a5c15150021087e0bd336c8a22ac12268117c007625c9209356a229acf03a"` [INFO] [stdout] 3e9a5c15150021087e0bd336c8a22ac12268117c007625c9209356a229acf03a [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sirkibsirkib/middleman:/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" "+beta-2019-07-23" "test" "--frozen"` [INFO] [stdout] 667cabae25c95b31e87e944cf144f4ffff6fa702708689c2ebe2e31b7eb40353 [INFO] running `"docker" "start" "-a" "667cabae25c95b31e87e944cf144f4ffff6fa702708689c2ebe2e31b7eb40353"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/middleman-d4db23a1ec1c38ab [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test tests::count_together ... ok [INFO] [stdout] test tests::echo_client_std ... ok [INFO] [stdout] test tests::safe_echo_client ... ok [INFO] [stdout] test tests::recv_blocking ... ok [INFO] [stdout] test tests::not_ready ... FAILED [INFO] [stdout] test tests::single_send_recv ... ok [INFO] [stdout] test tests::simple_packed ... ok [INFO] [stdout] test tests::is_ready ... ok [INFO] [stdout] test tests::send_a_lot ... ok [INFO] [stderr] thread '' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 104, kind: ConnectionReset, message: "Connection reset by peer" }', src/libcore/result.rs:999:5 [INFO] [stderr] stack backtrace: [INFO] [stdout] test tests::packed_best_case ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::not_ready [INFO] [stdout] [INFO] [stdout] test result: FAILED. 9 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] running `"docker" "inspect" "667cabae25c95b31e87e944cf144f4ffff6fa702708689c2ebe2e31b7eb40353"` [INFO] running `"docker" "rm" "-f" "667cabae25c95b31e87e944cf144f4ffff6fa702708689c2ebe2e31b7eb40353"` [INFO] [stdout] 667cabae25c95b31e87e944cf144f4ffff6fa702708689c2ebe2e31b7eb40353