[INFO] crate middleman 0.3.1 is already in cache [INFO] testing middleman-0.3.1 against beta-2019-09-28 for beta-1.39-1 [INFO] extracting crate middleman 0.3.1 into work/builds/worker-7/source [INFO] validating manifest of crates.io crate middleman 0.3.1 on toolchain beta-2019-09-28 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate middleman 0.3.1 [INFO] finished tweaking crates.io crate middleman 0.3.1 [INFO] tweaked toml for crates.io crate middleman 0.3.1 written to work/builds/worker-7/source/Cargo.toml [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"` [INFO] [stdout] c4eaa5d28b5b1bc1e960ecba0f77d75d9d9bb57a51c4eec46375a0b6f7585d88 [INFO] running `"docker" "start" "-a" "c4eaa5d28b5b1bc1e960ecba0f77d75d9d9bb57a51c4eec46375a0b6f7585d88"` [INFO] [stderr] Compiling bincode v1.2.0 [INFO] [stderr] Compiling middleman v0.3.1 (/opt/rustwide/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 1.93s [INFO] running `"docker" "inspect" "c4eaa5d28b5b1bc1e960ecba0f77d75d9d9bb57a51c4eec46375a0b6f7585d88"` [INFO] running `"docker" "rm" "-f" "c4eaa5d28b5b1bc1e960ecba0f77d75d9d9bb57a51c4eec46375a0b6f7585d88"` [INFO] [stdout] c4eaa5d28b5b1bc1e960ecba0f77d75d9d9bb57a51c4eec46375a0b6f7585d88 [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"` [INFO] [stdout] 4f914ef347fb082175409add7a0df2fc6d2499cc206bc306a21fbfd878f47bdd [INFO] running `"docker" "start" "-a" "4f914ef347fb082175409add7a0df2fc6d2499cc206bc306a21fbfd878f47bdd"` [INFO] [stderr] Compiling middleman v0.3.1 (/opt/rustwide/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 1.92s [INFO] running `"docker" "inspect" "4f914ef347fb082175409add7a0df2fc6d2499cc206bc306a21fbfd878f47bdd"` [INFO] running `"docker" "rm" "-f" "4f914ef347fb082175409add7a0df2fc6d2499cc206bc306a21fbfd878f47bdd"` [INFO] [stdout] 4f914ef347fb082175409add7a0df2fc6d2499cc206bc306a21fbfd878f47bdd [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"` [INFO] [stdout] ea19f5a3d135973fec4e8c77dedaad30f18f737871e2deefbb47c78e16434f31 [INFO] running `"docker" "start" "-a" "ea19f5a3d135973fec4e8c77dedaad30f18f737871e2deefbb47c78e16434f31"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/middleman-55061a07f58b9e4f [INFO] [stdout] [INFO] [stdout] running 10 tests [INFO] [stdout] test tests::not_ready ... FAILED [INFO] [stdout] test tests::simple_packed ... 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::recv_blocking ... ok [INFO] [stdout] test tests::single_send_recv ... ok [INFO] [stdout] test tests::is_ready ... ok [INFO] [stdout] test tests::packed_best_case ... ok [INFO] [stderr] thread 'thread '' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 104, kind: ConnectionReset, message: "Connection reset by peer" }', src/libcore/result.rs:1165:5 [INFO] [stderr] note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace. [INFO] [stderr] ' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 104, kind: ConnectionReset, message: "Connection reset by peer" }', src/libcore/result.rs:1165thread ':5 [INFO] [stderr] stack backtrace: [INFO] [stderr] ' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 104, kind: ConnectionReset, message: "Connection reset by peer" }', src/libcore/result.rs:1165:5 [INFO] [stdout] test tests::send_a_lot ... 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" "ea19f5a3d135973fec4e8c77dedaad30f18f737871e2deefbb47c78e16434f31"` [INFO] running `"docker" "rm" "-f" "ea19f5a3d135973fec4e8c77dedaad30f18f737871e2deefbb47c78e16434f31"` [INFO] [stdout] ea19f5a3d135973fec4e8c77dedaad30f18f737871e2deefbb47c78e16434f31