[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-1.38-1/sources/1.37.0/gh/sirkibsirkib/middleman"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/sirkibsirkib/middleman'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/sirkibsirkib/middleman" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sirkibsirkib/middleman"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of sirkibsirkib/middleman 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 sirkibsirkib/middleman [INFO] finished frobbing sirkibsirkib/middleman [INFO] frobbed toml for sirkibsirkib/middleman written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [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 sirkibsirkib/middleman 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 554bbd12b6c99df6d428fb9cb887136031ec08f3929ebd8533cc8982c5ed6961 [INFO] running `"docker" "start" "-a" "554bbd12b6c99df6d428fb9cb887136031ec08f3929ebd8533cc8982c5ed6961"` [INFO] [stderr] Compiling bincode v1.1.4 [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 2.55s [INFO] running `"docker" "inspect" "554bbd12b6c99df6d428fb9cb887136031ec08f3929ebd8533cc8982c5ed6961"` [INFO] running `"docker" "rm" "-f" "554bbd12b6c99df6d428fb9cb887136031ec08f3929ebd8533cc8982c5ed6961"` [INFO] [stdout] 554bbd12b6c99df6d428fb9cb887136031ec08f3929ebd8533cc8982c5ed6961 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] d2ab474b75957df8cc420e299d062ce25bea56a00c9f1c3b555753104560ef9d [INFO] running `"docker" "start" "-a" "d2ab474b75957df8cc420e299d062ce25bea56a00c9f1c3b555753104560ef9d"` [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 3.76s [INFO] running `"docker" "inspect" "d2ab474b75957df8cc420e299d062ce25bea56a00c9f1c3b555753104560ef9d"` [INFO] running `"docker" "rm" "-f" "d2ab474b75957df8cc420e299d062ce25bea56a00c9f1c3b555753104560ef9d"` [INFO] [stdout] d2ab474b75957df8cc420e299d062ce25bea56a00c9f1c3b555753104560ef9d [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"` [INFO] [stdout] 4307ed009d992f13db16c2d45ff43bd2549a5f66d4b62f8793961b347d29e9fe [INFO] running `"docker" "start" "-a" "4307ed009d992f13db16c2d45ff43bd2549a5f66d4b62f8793961b347d29e9fe"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/middleman-b8e01cff8e6542f5 [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test tests::not_ready ... FAILED [INFO] [stdout] test tests::recv_blocking ... ok [INFO] [stdout] test tests::safe_echo_client ... ok [INFO] [stdout] test tests::count_together ... ok [INFO] [stdout] test tests::echo_client_std ... ok [INFO] [stdout] test tests::simple_packed ... ok [INFO] [stdout] test tests::single_send_recv ... ok [INFO] [stdout] test tests::is_ready ... ok [INFO] [stdout] test tests::send_a_lot ... ok [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" "4307ed009d992f13db16c2d45ff43bd2549a5f66d4b62f8793961b347d29e9fe"` [INFO] running `"docker" "rm" "-f" "4307ed009d992f13db16c2d45ff43bd2549a5f66d4b62f8793961b347d29e9fe"` [INFO] [stdout] 4307ed009d992f13db16c2d45ff43bd2549a5f66d4b62f8793961b347d29e9fe